Daikin VRV Inverter K Series Manual
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Daikin VRV Inverter K Series Manual

Daikin VRV Inverter K Series Manual

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Si-05CTOC.fm Page i Wednesday, January 31, 2001 8:45 AM
SiE-05C
1. Introduction . .......................................................................................... ix
Part1
Inverter K Series . ..............................................................1
1. Series Introduction . ................................................................................2
2. Outline of System. ..................................................................................5
Part2
Inverter K Series ..............................................................11
1. Functions...............................................................................................12
Table of Contents
Inverter K Series
1.1 Safety Cautions .......................................................................................ix
1.2 PREFACE. ............................................................................................ xiii
1.1 NOMENCLATURE . ................................................................................ 2
1.2 Indoor/Outdoor Unit Combinations . ........................................................ 4
2.1 Easily Recognizable Features of the "K" Series ...................................... 5
2.2 Changes in K Series Functions / Parts. .................................................. 6
1.1 Outdoor Unit Refrigerant System Diagram............................................ 12
1.2 Function of Thermistors and Pressure Sensors .................................... 26
1.4 Safety for Restart. ................................................................................. 28
(Equalized Oil Level between Twin Compressors)................................ 30
1.6 Oil Return Operation. ............................................................................ 31
1.7 Defrost . ................................................................................................. 32
1.8 Heating Pump Down Residual Operation.............................................. 33
1.9 Step Down / Safety Control → Standby (Forced Thermostat OFF)
→ Stop Due to Malfunction. .................................................................. 35
1.11 Low Noise Control . ............................................................................... 39
1.12 Demand Control . .................................................................................. 40
1.13 Compressor Capacity Control . ............................................................. 41
1.14 Te / Tc Setting . ..................................................................................... 43
1.15 Gas Depletion Alarm . ........................................................................... 44
1.16 Drain Pump Control . ............................................................................. 45
1.17 Oil Temperature Sensor (8 and 10 Hp only). ........................................ 47
1.18 Louver Control for Preventing Ceiling Dirt . ........................................... 48
1.19 Thermostat Sensor in Remote Controller . ............................................ 49
1.20 Freeze Prevention . ............................................................................... 51
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  • Page 1 Si-05CTOC.fm Page i Wednesday, January 31, 2001 8:45 AM SiE-05C Inverter K Series Series 1. Introduction ................... ix 1.1 Safety Cautions ..................ix 1.2 PREFACE..................... xiii Part1 General Information Inverter K Series ...............1 1. Series Introduction .................2 1.1 NOMENCLATURE .

  • Page 2: Table Of Contents

    SI-05C.BOOK Page ii Monday, November 6, 2000 4:13 PM SiE-05C Part3 Test Operation Inverter K Series ..............53 1. Test Operation ..................54 1.1 When Power is Turned On ..............54 1.2 Outdoor Unit PC Board Ass’y ..............55 1.3 Setting Modes..................57 1.4 Sequential Start ..................

  • Page 3: Table Of Contents

    SI-05C.BOOK Page iii Monday, November 6, 2000 4:13 PM SiE-05C 3.12 Indoor Unit: Malfunction of Thermostat Sensor in Remote Controller . 138 3.13 Outdoor Unit: Actuation of Safety Device ..........139 3.14 Outdoor Unit: PC Board Defect ............139 3.15 Outdoor Unit: Actuation of High Pressure Switch........ 140 3.16 Outdoor Unit: Actuation of Low Pressure Switch.........

  • Page 4: Table Of Contents

    SI-05C.BOOK Page iv Monday, November 6, 2000 4:13 PM SiE-05C 6.4 Improper Combination of Optional Controllers for Centralized Control................. 171 6.5 Address Duplication, Improper Setting ..........172 7. Troubleshooting (OP: Schedule Timer)..........173 7.1 Malfunction of Transmission between Central Remote Controller and Indoor Unit ...................

  • Page 5: Table Of Contents

    SI-05C.BOOK Page v Monday, November 6, 2000 4:13 PM SiE-05C 4.4 Defrost (For Heat Pump System) ............227 4.5 Oil Equalization Control ............... 228 4.6 Heating Pump Down Residual Operation (For Heat Pump System) .. 232 4.7 Compressor Oil Temperature Protection Control ........ 233 4.8 Low Pressure Protection Control Step ..........

  • Page 6: Table Of Contents

    SI-05C.BOOK Page vi Monday, November 6, 2000 4:13 PM SiE-05C 3.6 Outdoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (Y1E)............305 3.7 Outdoor Unit: Abnormal Discharge Pipe Temperture......306 3.8 Outdoor Unit: Defect of Pressure Switch for High Pressure Control ... 307 3.9 Outdoor Unit: Defect of Pressure Switch for Low Pressure Control ..

  • Page 7: Table Of Contents

    SI-05C.BOOK Page vii Monday, November 6, 2000 4:13 PM SiE-05C Part 10 Appendix Inverter K Series PLUS Series ..............339 1. Wiring Diagrams - Outdoor Unit ............341 1.1 Inverter K Series - cooling only............341 1.2 Inverter K Series - Heat Pump............. 343 1.3 Inverter Plus series................
  • Page 8 SI-05C.BOOK Page viii Monday, November 6, 2000 4:13 PM SiE-05C : http://splitoff.ru/tehn-doc.html viii Table of Contents...

  • Page 9: Safety Cautions

    SI-05C.BOOK Page ix Monday, November 6, 2000 4:13 PM SiE-05C Introduction 1. Introduction Safety Cautions Cautions and Be sure to read the following safety cautions before conducting repair work. Warnings The caution items are classified into “ Warning ” and “ Caution ”.

  • Page 10: Cautions Regarding Products After Repair

    SI-05C.BOOK Page x Monday, November 6, 2000 4:13 PM Introduction SiE-05C Caution Do not repair the electrical components with wet hands. Working on the equipment with wet hands can cause an electrical shock. Do not clean the air conditioner by splashing water. Washing the unit with water can cause an electrical shock.

  • Page 11: Inspection After Repair

    SI-05C.BOOK Page xi Monday, November 6, 2000 4:13 PM SiE-05C Introduction Warning When connecting the cable between the indoor and outdoor units, make sure that the terminal cover does not lift off or dismount because of the cable. If the cover is not mounted properly, the terminal connection section can cause an electrical shock, excessive heat generation or fire.

  • Page 12: Using Icons

    SI-05C.BOOK Page xii Monday, November 6, 2000 4:13 PM Introduction SiE-05C Caution If the installation platform or frame has corroded, replace it. Corroded installation platform or frame can cause the unit to fall, resulting in injury. Check the grounding, and repair it if the equipment is not properly grounded. Improper grounding can cause an electrical shock.
  • Page 13 SI-05C.BOOK Page xiii Monday, November 6, 2000 4:13 PM SiE-05C Introduction PREFACE The VRV System Inverter K Series is designed for easy installation and maintenance. Although it has all the features of the previous VRV System Inverter Series, the method of displaying the model name has been changed in order to conform to revision in Japanese Industrial Standards, the method of transmission between outdoor and indoor units has been changed, the equipment has been modified so the same wiring is used for transmission between indoor/outdoor units and centralized control, and can now be connected...
  • Page 14 SI-05C.BOOK Page xiv Monday, November 6, 2000 4:13 PM Introduction SiE-05C : http://splitoff.ru/tehn-doc.html...

  • Page 15: Inverter K Series

    SI-05C.BOOK Page 1 Monday, November 6, 2000 4:13 PM SiE-05C Part1 General Information Inverter K Series 1. Series Introduction ..................2 1.1 NOMENCLATURE .................. 2 1.2 Indoor/Outdoor Unit Combinations ............4 2. Outline of System..................5 2.1 Easily Recognizable Features of the “K” Series ........5 2.2 Changes in K Series Functions / Parts............

  • Page 16: Series Introduction

    SI-05C.BOOK Page 2 Monday, November 6, 2000 4:13 PM Series Introduction SiE-05C 1. Series Introduction NOMENCLATURE 1.1.1 Indoor Unit : http://splitoff.ru/tehn-doc.html General Information Inverter K Series...

  • Page 17: Outdoor Unit

    SI-05C.BOOK Page 3 Monday, November 6, 2000 4:13 PM SiE-05C Series Introduction 1.1.2 Outdoor Unit VRV System Inverter Series outdoor unit RS : VRV System Inverter Series Series classifications X : Inverter Function classification (1) Y : Unit for heat pump Doesn't include straight cooling VRV System Inverter Series Capacity Indication 5 : 5 H P...

  • Page 18: Indoor/Outdoor Unit Combinations

    SI-05C.BOOK Page 4 Monday, November 6, 2000 4:13 PM Series Introduction SiE-05C Indoor/Outdoor Unit Combinations VRV System Inverter K Series VRV System Inverter K Series outdoor unit model RSXY5K RSXY8K RSXY10K Total connectable indoor units Max. 8 units Max. 13 Max.

  • Page 19: Outline Of System

    Part1.fm Page 5 Wednesday, January 31, 2001 8:48 AM SiE-05C Outline of System 2. Outline of System Easily Recognizable Features of the “K” Series 2.1.1 VRV System Inverter K Series System Outline : http://splitoff.ru/tehn-doc.html General Information Inverter K Series...

  • Page 20: Changes In K Series Functions / Parts

    SI-05C.BOOK Page 6 Monday, November 6, 2000 4:13 PM Outline of System SiE-05C Changes in K Series Functions / Parts 2.2.1 Changes in the System as a Whole More outdoor units A maximum of 16 indoor units can now be connected to a single system. can be connected.
  • Page 21 SI-05C.BOOK Page 7 Monday, November 6, 2000 4:13 PM SiE-05C Outline of System Change in Mode of Wiring for transmission between outdoor units is necessary for selecting cool or heat mode for several Transmission units at once. This transmission has been changed as follows. Between Outdoor Units H Series...
  • Page 22 Part1.fm Page 8 Wednesday, January 31, 2001 8:50 AM Outline of System SiE-05C 2.2.2 Changes in Indoor Units Drain Pump When the TEST OPERATION button has been pushed in order to facilitate checking drainage when installing, the drain pump is force-operated regardless of the temperature control mode. If a humidifier is to be included in the setup, you must set to gusing humidifier with the remote controller.

  • Page 23: Compatibility Of Old And New Vrv System Inverter

    SI-05C.BOOK Page 9 Monday, November 6, 2000 4:13 PM SiE-05C Outline of System Compatibility of Old and New VRV System Inverter 2.3.1 H Series Indoor Units: Cannot be connected to new outdoor unit Connectable Combinations Outdoor unit RSXY ∗VRV System Inverter K Series Old indoor unit (H Series) New indoor unit (K Series) (VL003)
  • Page 24 SI-05C.BOOK Page 10 Monday, November 6, 2000 4:13 PM Outline of System SiE-05C : http://splitoff.ru/tehn-doc.html General Information Inverter K Series...

  • Page 25: Part2 Functions Inverter K Series

    SI-05C.BOOK Page 11 Monday, November 6, 2000 4:13 PM SiE-05C Part2 Functions Inverter K Series 1. Functions....................12 1.1 Outdoor Unit Refrigerant System Diagram..........12 1.2 Function of Thermistors and Pressure Sensors ........26 1.3 List of Safety Devices and Functinal Parts Setting Values....27 1.4 Safety for Restart...................

  • Page 26: Functions

    SI-05C.BOOK Page 12 Monday, November 6, 2000 4:13 PM Functions SiE-05C 1. Functions Outdoor Unit Refrigerant System Diagram RSX5K Series (∗ Products produced before July ’99 and included RSX5KY1C model produced before Dec. ’99) Note: 1. These check valves are not fitted for RSX5KY1C model. : http://splitoff.ru/tehn-doc.html Functions Inverter K Series...
  • Page 27 SI-05C.BOOK Page 13 Monday, November 6, 2000 4:13 PM SiE-05C Functions A. Compressor M1C Scroll compressor that operates on 30~116Hz by inverter drive enables 13-step capacity control. Capacity control is carried out for individual and linear control of indoor units. B.
  • Page 28 SI-05C.BOOK Page 14 Monday, November 6, 2000 4:13 PM Functions SiE-05C RSXY5K Series (∗ Included RSXY5KY1C model) Note: 1. These check valves are not fitted for RSXY5KY1C model. 2. These check valves are not fitted for products produced after Aug. ’99 and RSXY5KY1C model produced after Jan.
  • Page 29 SI-05C.BOOK Page 15 Monday, November 6, 2000 4:13 PM SiE-05C Functions A. Compressor M1C Scroll compressor that operates on 30~116Hz by inverter drive enables 13-step capacity control. Capacity control is carried out for individual and linear control of indoor units. B.
  • Page 30 SI-05C.BOOK Page 16 Monday, November 6, 2000 4:13 PM Functions SiE-05C RSX5K Series (∗ Products produced after August ‘99) (∗ RSX5KY1C model produced after Jan. 2000) SENPH SENPL DU229-622A : http://splitoff.ru/tehn-doc.html Functions Inverter K Series...
  • Page 31 SI-05C.BOOK Page 17 Monday, November 6, 2000 4:13 PM SiE-05C Functions A. Compressor M1C Scroll compressor that operates on 30~116Hz by inverter drive enables 13-step capacity control. Capacity control is carried out for individual and linear control of indoor units. B.
  • Page 32 SI-05C.BOOK Page 18 Monday, November 6, 2000 4:13 PM Functions SiE-05C RSX8K·10K Series (∗ Products produced before July ’99 and Included RSX8K, 10KY1C models produced before Dec. ’99) Note: 1. These check valves are not fitted for RSX8K, 10KY1C models. : http://splitoff.ru/tehn-doc.html Functions Inverter K Series...
  • Page 33 SI-05C.BOOK Page 19 Monday, November 6, 2000 4:13 PM SiE-05C Functions A. Compressor M1C / M2C Connecting a scroll compressor (inverter compressor) that operates on 30~116Hz by inverter drive and a scroll compressor (standard compressor) that runs on a commercial power supply to the same refrigerant system enables 21-step capacity control.
  • Page 34 SI-05C.BOOK Page 20 Monday, November 6, 2000 4:13 PM Functions SiE-05C RSXY8, 10K Series (∗ Products produced before July ’99 and Included RSXY8K, 10KY1C models produced before Dec. ’99) Note: 1. These check valves are not fitted for RSXY8K, 10KY1C models. : http://splitoff.ru/tehn-doc.html Functions Inverter K Series...
  • Page 35 SI-05C.BOOK Page 21 Monday, November 6, 2000 4:13 PM SiE-05C Functions A. Compressor M1C / M2C Connecting a scroll compressor (inverter compressor) that operates on 30~116Hz by inverter drive and a scroll compressor (standard compressor) that runs on a commercial power supply to the same refrigerant system enables 21-step capacity control.
  • Page 36 SI-05C.BOOK Page 22 Monday, November 6, 2000 4:13 PM Functions SiE-05C RSX8, 10K Series (∗ Products produced after August ‘99) (∗ RSX8K, 10KY1C models produced after Jan. 2000) SENPH DU232-607A : http://splitoff.ru/tehn-doc.html Functions Inverter K Series...
  • Page 37 SI-05C.BOOK Page 23 Monday, November 6, 2000 4:13 PM SiE-05C Functions A. Compressor M1C / M2C Connecting a scroll compressor (inverter compressor) that operates on 30~116Hz by inverter drive and a scroll compressor (standard compressor) that runs on a commercial power supply to the same refrigerant system enables 21-step capacity control.
  • Page 38 SI-05C.BOOK Page 24 Monday, November 6, 2000 4:13 PM Functions SiE-05C RSXY8K, 10K Series (∗ Products produced after August ‘99) (∗ RSXY8K, 10KY1C models produced after Jan. 2000) SENPH 4D014597 : http://splitoff.ru/tehn-doc.html Functions Inverter K Series...
  • Page 39 SI-05C.BOOK Page 25 Monday, November 6, 2000 4:13 PM SiE-05C Functions A. Compressor M1C / M2C Connecting a scroll compressor (inverter compressor) that operates on 30~116Hz by inverter drive and a scroll compressor (standard compressor) that runs on a commercial power supply to the same refrigerant system enables 21-step capacity control.

  • Page 40: Function Of Thermistors And Pressure Sensors

    SI-05C.BOOK Page 26 Monday, November 6, 2000 4:13 PM Functions SiE-05C Function of Thermistors and Pressure Sensors 1.2.1 Outdoor Unit RSXY8, 10K : http://splitoff.ru/tehn-doc.html Functions Inverter K Series...

  • Page 41: List Of Safety Devices And Functinal Parts Setting Values

    SI-05C.BOOK Page 27 Monday, November 6, 2000 4:13 PM SiE-05C Functions List of Safety Devices and Functinal Parts Setting Values 1.3.1 Outdoor Unit RSXY5~10K Item Symbol Name Type RSX(Y)5K RSX(Y)8K RSX(Y)10K Comp- Inverter JT100BAVYE 3.5 kW JT100BAVTYE 3.5 kW JT100BAVTYE 3.5 kW ressor side Model...

  • Page 42: Safety For Restart

    SI-05C.BOOK Page 28 Monday, November 6, 2000 4:13 PM Functions SiE-05C Safety for Restart 1.4.1 Restart Safety Timer The compressor will not run for five minutes by making forced thermostat OFF condition in order to prevent it from being turned on and off in rapid succession, and to equalize pressure in the refrigerant circuit. It however restarts automatically after five minutes passes if it is in thermostat ON condition.
  • Page 43 SI-05C.BOOK Page 29 Monday, November 6, 2000 4:13 PM SiE-05C Functions 1.4.3 Pump Down Start If the compressor stops running with refrigerant still remaining in the accumulator, in order to prevent wet operation at the next compressor starting, it will perform pump down start with a completely dry accumulator, then it will operate normally.
  • Page 44 SI-05C.BOOK Page 30 Monday, November 6, 2000 4:13 PM Functions SiE-05C Equalized Oil Level Operation (Equalized Oil Level between Twin Compressors) If using two compressors (8, 10Hp) connected in parallel, oil level equalizing is carried out for 5 minutes if the cumulative running time of the standard compressor exceeds 2 hours in order to prevent lack of oil cause by difference in pressure inside the dome due to drift, and then reverts to normal operation.

  • Page 45: Oil Return Operation

    SI-05C.BOOK Page 31 Monday, November 6, 2000 4:13 PM SiE-05C Functions Oil Return Operation In order to collect refrigeration oil held up in connecting piping, the compressor’s operating time is counted, and oil return operation is carried out for 4 minutes every 8 hours (2 hour after turning on the power supply, and every 8 hours after that).

  • Page 46: Defrost

    SI-05C.BOOK Page 32 Monday, November 6, 2000 4:13 PM Functions SiE-05C Defrost Function Defrost operation is carried out if the relation of the outdoor unit’s coil temperature (Tcoil) and outdoor temperature (Tair) satisfies the conditions given below for 5 minutes continuously. Tcoil ≤...

  • Page 47: Heating Pump Down Residual Operation

    SI-05C.BOOK Page 33 Monday, November 6, 2000 4:13 PM SiE-05C Functions Heating Pump Down Residual Operation 1.8.1 For RSXY 8, 10 K If refrigerant is remaining in the accumulator when the compressor starts, liquid refrigerant is sucked into the compressor, diluting the refrigerant machine oil and reducing the lubricating performance. To prevent this, the pump-down operation discharges refrigerant from the low pressure side when the unit is not in operation.
  • Page 48 SI-05C.BOOK Page 34 Monday, November 6, 2000 4:13 PM Functions SiE-05C Outdoor Unit Function Outdoor air (R1T) Compressor Electronic Pressure equalizing Time expansion valve solenoid valve R1T < -10˚C 86Hz 0~300 pulses ON or OFF 10 min. -10˚C ≤ R1T < 0˚C 76Hz 0~300 pulses ON or OFF...
  • Page 49 SI-05C.BOOK Page 35 Monday, November 6, 2000 4:13 PM SiE-05C Functions Step Down / Safety Control → Standby (Forced Thermostat OFF) → Stop Due to Malfunction High Pressure (Hp) Control (Cooling) Hp≥23.5kg/cm² Hp≥24.0kg/cm² (2.303MPa) (2.352MPa) Frequency 8, 10HP(5HP) 1 STEP DOWN 76Hz+OFF(48Hz) Hp>25.0kg/cm²...
  • Page 50 SI-05C.BOOK Page 36 Monday, November 6, 2000 4:13 PM Functions SiE-05C Inverter Current Control 27.0 / 15.0 27.5 / 15.0 INV≥27.0A(TAL) INV≥27.5A(TAL) L8 stop due to malfunction 15.0A(Y1, YAL) 15.0A(Y1, YAL) FREQUENCY Forced OFF by thermostat 1 STEP DOWN UP to 4 times in 60 minutes (VF004) Discharge Super (DSH = Td - high pressure condensation saturation temperature)

  • Page 51: Control During Low Outdoor Air Temperature Cooling

    SI-05C.BOOK Page 37 Monday, November 6, 2000 4:13 PM SiE-05C Functions 1.10 Control During Low Outdoor Air Temperature Cooling When the outdoor air temperature is low in cooling operation, outdoor unit fans, electronic expansion valve and compressors are controlled as follows in order to primarily maintain high pressure and to protect drop in refrigerant circulation caused by drop in high pressure.
  • Page 52 SI-05C.BOOK Page 38 Monday, November 6, 2000 4:13 PM Functions SiE-05C Low Outdoor Air Cooling IN Condition satisfied • Compressor off Conditions (Step 2) Normal operation • Other than cooling (includes oil return) • High pressure > 15.8 kg/cm² (1.548 MPa) •...

  • Page 53: Low Noise Control

    SI-05C.BOOK Page 39 Monday, November 6, 2000 4:13 PM SiE-05C Functions 1.11 Low Noise Control If sound produced by outdoor units is a problem at night, etc., you can reduce the running noise by 2 to 3 dB by running the outdoor unit fans and compressors at low speed via contact input (low noise input) from outside.

  • Page 54: Demand Control

    SI-05C.BOOK Page 40 Monday, November 6, 2000 4:13 PM Functions SiE-05C 1.12 Demand Control When you like to save the power consumption, there are three modes of demand operation which controls forced capacity save for outdoor units via contact input (demand input) from outside in order to control demand.

  • Page 55: Compressor Capacity Control

    SI-05C.BOOK Page 41 Monday, November 6, 2000 4:13 PM SiE-05C Functions 1.13 Compressor Capacity Control RSXY5K Pressure is sampled every 20 seconds by pressure sensor, and the inverter compressor is controlled in 13 stages by microcomputer. Frequency range: 34 - 116 Hz (13 stages) and common for 50/60Hz area. Min.
  • Page 56 SI-05C.BOOK Page 42 Monday, November 6, 2000 4:13 PM Functions SiE-05C <For products produced after Aug. ‘99> Commercial power supply Commercial power supply compressor (off) compressor (full load) Min. output Frequency Frequency 30Hz+OFF 34Hz+OFF 38Hz+OFF 42Hz+OFF 48Hz+OFF 54Hz+OFF 60Hz+OFF 68Hz+OFF 76Hz+OFF 86Hz+OFF 96Hz+OFF...

  • Page 57: Te / Tc Setting

    SI-05C.BOOK Page 43 Monday, November 6, 2000 4:13 PM SiE-05C Functions 1.14 Te / Tc Setting You can alter the value of targets Te (evaporating pressure equivalent temperature) and Tc (condensing pressure equivalent temperature) with setting mode 2. PI control is used to control compressor capacity so that Te when cooling and Tc when heating are constant.

  • Page 58: Gas Depletion Alarm

    SI-05C.BOOK Page 44 Monday, November 6, 2000 4:13 PM Functions SiE-05C 1.15 Gas Depletion Alarm An alarm (U0) is given for severe gas depletion. Alarm is indicated but operation continues. When cooling Gas depletion alarm (U0) is displayed. While compressor is running Conditions given on the left continue for 30 min.

  • Page 59: Drain Pump Control

    SI-05C.BOOK Page 45 Monday, November 6, 2000 4:13 PM SiE-05C Functions 1.16 Drain Pump Control 1. The drain pump is controlled by the ON/OFF buttons (4 button (1) - (4) given in the figure below). 1.16.1 When the Float Switch is Tripped While the Cooling Thermostat is ON: ∗...
  • Page 60 SI-05C.BOOK Page 46 Monday, November 6, 2000 4:13 PM Functions SiE-05C 1.16.3 When the Float Switch is Tripped During Heating Operation: During heating operation, if the float switch is not reset even after the 5 minutes operation, 5 seconds stop, 5 minutes operation cycle ends, operation continues until the switch is reset.

  • Page 61: Oil Temperature Sensor (8 And 10 Hp Only)

    SI-05C.BOOK Page 47 Monday, November 6, 2000 4:13 PM SiE-05C Functions 1.17 Oil Temperature Sensor (8 and 10 Hp only) 1.17.1 Prevention of Wetness During Heating Wet operation is prevented by modification of super heating (SH) by oil temperature sensor (R5T). (Low equivalent pressure = Te) R5T ≤...

  • Page 62: Louver Control For Preventing Ceiling Dirt

    SI-05C.BOOK Page 48 Monday, November 6, 2000 4:13 PM Functions SiE-05C 1.18 Louver Control for Preventing Ceiling Dirt We have added a control feature that allows you to select the range of in which air direction can be adjusted in order to prevent the ceiling surrounding the air discharge outlet of ceiling mounted cassette type units from being soiled.

  • Page 63: Thermostat Sensor In Remote Controller

    SI-05C.BOOK Page 49 Monday, November 6, 2000 4:13 PM SiE-05C Functions 1.19 Thermostat Sensor in Remote Controller Temperature is controlled by both the thermostat sensor in remote controller and air suction thermostat in the indoor unit. (This is however limited to when the field setting for the thermostat sensor in remote controller is set to “Use.”...
  • Page 64 SI-05C.BOOK Page 50 Monday, November 6, 2000 4:13 PM Functions SiE-05C Heating When heating, the hot air rises to the top of the room, resulting in the temperature being lower near the floor where the occupants are. When controlling by body thermostat sensor only, the unit may therefore be turned off by the thermostat before the lower part of the room reaches the preset temperature.

  • Page 65: Freeze Prevention

    SI-05C.BOOK Page 51 Monday, November 6, 2000 4:13 PM SiE-05C Functions 1.20 Freeze Prevention Freeze Prevention When the temperature detected by liquid pipe temperature thermistor (R2T) of the indoor unit heat by Off Cycle exchanger drops too low, the unit enters freeze prevention operation in accordance with the following (Indoor Unit) conditions, and is also set in accordance with the conditions given below.
  • Page 66 SI-05C.BOOK Page 52 Monday, November 6, 2000 4:13 PM Functions SiE-05C : http://splitoff.ru/tehn-doc.html Functions Inverter K Series...

  • Page 67: Part3 Test Operation Inverter K Series

    SI-05C.BOOK Page 53 Monday, November 6, 2000 4:13 PM SiE-05C Part3 Test Operation Inverter K Series 1. Test Operation ..................54 1.1 When Power is Turned On ..............54 1.2 Outdoor Unit PC Board Ass’y ..............55 1.3 Setting Modes..................57 1.4 Sequential Start ..................

  • Page 68: Test Operation

    SI-05C.BOOK Page 54 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1. Test Operation When Power is Turned On 1.1.1 When Turning Power on the First Time The unit will not run for up to 12 minutes in order for master power supply and address (indoor unit address, etc.) to be set automatically.

  • Page 69: Outdoor Unit Pc Board Ass'y

    SI-05C.BOOK Page 55 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Outdoor Unit PC Board Ass’y RSXY8K : http://splitoff.ru/tehn-doc.html Test Operation Inverter K Series...
  • Page 70 Part3.fm Page 56 Wednesday, January 31, 2001 8:52 AM Test Operation SiE-05C Service monitor <HAP> Normal ....Flicker (Green) Malfunction ..On or off Function setting switch or LED LED display : On : Flicker : Off Mode button ..Mode change Monitor mode Setting mode 1 Push 1 time.

  • Page 71: Setting Modes

    SI-05C.BOOK Page 57 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Setting Modes The three setting modes are as follows: Setting mode 1 ..Mode for selecting cool/heat setting method, and whether or not to use low noise operation and sequential start. (H1P off) Setting mode 2 ..
  • Page 72 SI-05C.BOOK Page 58 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1.3.1 Setting Mode 1 Cool/heat selection setting If carried out from the indoor unit remote controller: If carried out from the cool/heat selector: (SS1) IN/D OUT/D IN/D OUT/D UNIT UNIT UNIT...
  • Page 73 SI-05C.BOOK Page 59 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.3.2 Setting Mode 2 To enter setting mode 2 from setting mode 1 (normal), you must push and hold the MODE button (BS1) for 5 seconds. (Setting mode 2 cannot be entered while still making settings in setting mode 1.) Setting procedure 1.
  • Page 74 SI-05C.BOOK Page 60 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C No Setting item Description LED display LED display LED display H1P H2P H3P H4P H5P H6P H7P H1P H2P H3P H4P H5P H6P H7P H1P H2P H3P H4P H5P H6P H7P Emergency Emergency operation ∗...
  • Page 75 SI-05C.BOOK Page 61 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.3.3 Monitor Mode C/H SELECT SEQ. MODE TEST L.N.O.P. START MASTER SLAVE To enter the monitor mode, push the MODE button when in setting mode 1. MODE The lower 4 digits indicate the setting in each of the frames below.
  • Page 76 SI-05C.BOOK Page 62 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Monitor Mode Data Mode No. Data Display Size (binary number) method G G G G G No 1 Cool/heat group address 0 ~ 31 Lower 6 digits G G G G No 2 Low noise / demand address 0 ~ 31...

  • Page 77: Sequential Start

    SI-05C.BOOK Page 63 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Sequential Start Separates the start timing for standard compressors by three seconds each in order to prevent over- current when several compressors are to be started simultaneously. Sequential start is possible for up to three units wired as a group to a single power supply. You should however connect an outdoor unit of small capacity as the third unit in the sequence.

  • Page 78: External Control Adaptor For Outdoor Unit

    SI-05C.BOOK Page 64 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C External Control Adaptor for Outdoor Unit Purpose / External control adaptor for outdoor unit is required in order for the VRV System Inverter K Series to carry Application out the types of control given below.
  • Page 79 SI-05C.BOOK Page 65 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation System Examples Group selection of cool/heat mode by indoor unit remote controller Switch Settings on the Adaptor PCB BOTH C / H BOTH C / H FUNCTION FUNCTION BOTH C / H (VL021)
  • Page 80 SI-05C.BOOK Page 66 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Outdoor Unit PCB Group master unit Settings SS1: “IN/D UNIT” Setting mode 1 C / H SELECT : “MASTER” Setting mode 2 Cool/heat group address: “0” Combines DS1 and DS2 of PC board adaptor. Group slave unit SS1: “IN/D UNIT”...

  • Page 81: Cool / Heat Mode Selection

    SI-05C.BOOK Page 67 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Cool / Heat Mode Selection The VRV System Inverter K Series offers the following four cool/heat mode selections. 1. Setting of cool/heat by individual outdoor unit system by indoor unit remote controller 2.
  • Page 82 SI-05C.BOOK Page 68 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1.6.2 Setting of Cool / Heat by Individual Outdoor Unit System by Cool/Heat Selector Doesn’t matter whether or not there is outdoor - outdoor unit wiring. Set SS1 of the outdoor unit PC board to “OUT / D UNIT.” In setting mode 1, set cool/heat selection to “IND”...
  • Page 83 SI-05C.BOOK Page 69 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.6.3 Setting of Cool / Heat by Outdoor Unit System Group in Accordance with Group Master Outdoor Unit by Indoor Unit Remote Controller Install the External control adaptor for outdoor unit on either the outdoor - outdoor, indoor - outdoor, or indoor - indoor transmission line.
  • Page 84 SI-05C.BOOK Page 70 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Supplement Supplement to 1.6.3 and 1.6.4 If using several adaptor PCB and you want to select cool/heat mode for each adaptor PCB, set DS1 / DS2 of the adaptor PCB and the cool/heat group address on the outside unit’s PCB to the same setting in setting mode 2.
  • Page 85 SI-05C.BOOK Page 71 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Setting Method 1.6.3 and 1.6.4 address setting method (combine lower 5 digits as binary number) : http://splitoff.ru/tehn-doc.html Test Operation Inverter K Series...

  • Page 86: Low Noise / Demand Operation

    SI-05C.BOOK Page 72 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Low Noise / Demand Operation External control adaptor for outdoor unit is required for each low noise and demand control zone. By using a separate External control adaptor for outdoor unit and setting the outdoor unit address (setting mode 2) for each low noise and demand control zone, demand and low noise operation is carried out in accordance with contact input received from the adaptor in each zone.
  • Page 87 SI-05C.BOOK Page 73 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Wiring Method Wire to the control box for the indoor unit or BS unit. (Note: Differs according to the type of outside control adaptor.) Demand / Low Short circuit between Demand 1 and C: Holds demand down to approx. 70% Noise Input Short circuit between Demand 2 and C: Holds demand down to approx.

  • Page 88: Wiring Check Operation

    SI-05C.BOOK Page 74 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Wiring Check Operation If within 12 hours of stopping cooling or heating, be sure to run all indoor units in the system you want to check in the fan mode for about 60 minutes in order to prevent mis-detection.

  • Page 89: Indoor Unit Pcb Ass'y

    SI-05C.BOOK Page 75 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Indoor Unit PCB Ass’y The indoor unit PCB ass’y is equipped with terminals for control wiring and connectors for optional control accessories . Group No. setting for central control and various operation setting switches, etc., are set by indoor unit remote controller.

  • Page 90: Remote Controllers (Wired And Wireless)

    SI-05C.BOOK Page 76 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1.10 Remote Controllers (Wired and Wireless) By making use of optional liquid crystal indoor unit remote controller switches, you can construct a versatile control system. The remote controller control wiring for simplified remote controllers (BRC2A51/3A61) is the same as that of standard remote controllers (BRC1A61/1A62), but since the functions of the simplified remote controllers are limited, we recommend they should be used together with a central remote controller.
  • Page 91 SI-05C.BOOK Page 77 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Remote Control Cool/heat operation mode selection control Example With the VRV System Inverter K Series, you can select the cool/heat operation mode for outdoor units in the same system with an indoor unit remote controller. Group control Up to 16 indoor units can be simultaneously controlled with a single remote controller.
  • Page 92 SI-05C.BOOK Page 78 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Part Names and Functions Operation mode display 13 Operation mode selector button Push to switch the operation mode. ∗Note Displays status during operation. • “Auto” can be set only for cool/heat simultaneous operation systems.
  • Page 93 SI-05C.BOOK Page 79 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.10.2 Applicable Wireless Remote Controller Models Type FXYC-K FXYK-K FXYF-K FXYS-K FXYH-K FXYA-K FXYL-K FXYM-K FXYLM-K Wireless remote H / P BRC7A62 — BRC7A61W BRC4A62 BRC7A63W BRC7A64W BRC4A62 BRC4A62 controller C / O...
  • Page 94 SI-05C.BOOK Page 80 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Example of System Using Wireless Remote Controller For control by two remote controllers, be sure to designate the indoor unit remote controller as the master. The only combination that can’t be used is two wireless remote controllers. Transmission wiring between the separately installed receiver unit unit and indoor unit can be up to 200 meters long.
  • Page 95 SI-05C.BOOK Page 81 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.11 Control by Remote Controller (Double Remote Controllers, Group, Remote) Double Remote Lets you control a single indoor unit using two remote controllers in different locations. Controllers System which is convenient for cases where for instance you may want to control an indoor unit in the reception room from your office, or when you may want to have fine control of a far away indoor unit at your fingertips.
  • Page 96 SI-05C.BOOK Page 82 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Remote Control Forced OFF or ON/OFF control of indoor units can be input from outside. Enables indoor units to be turned on and off by a building control or key control system. 1.

  • Page 97: Indoor Field Setting

    SI-05C.BOOK Page 83 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.12 Indoor Field Setting Making a field setting Field settings must be made by remote controller if optional accessories have been installed on the indoor unit, or if the indoor unit or HRV unit’s individual functions have been modified. 1.12.1 Wired Remote Controller 1.
  • Page 98 SI-05C.BOOK Page 84 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C NOTES: 1. Settings are made simultaneously for the entire group, however, if you select the mode No. inside parentheses, you can also set by each individual unit. Setting changes however cannot be checked except in the individual mode for those in parentheses.

  • Page 99: Centralized Control Group No. Setting

    SI-05C.BOOK Page 85 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.13 Centralized Control Group No. Setting If carrying out centralized control by central remote controller or unified ON/OFF controller, group No. must be set for each group individually by remote controller. Group No.
  • Page 100 SI-05C.BOOK Page 86 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Group No. setting by wireless remote controller for centralized control 1. When in the normal mode, push button for 4 seconds or more, and operation then enters the “field set mode.”...

  • Page 101: Setting Of Master Remote Controller

    SI-05C.BOOK Page 87 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.14 Setting of Master Remote Controller By Indoor Unit Operation mode (Fan, Dry, Cool, Heat) can be freely selected by indoor unit remote controller for the VRV Remote Controller K series outdoor units, however, as shown in the example below, the remote controller of one of the indoor units connected to 1 outdoor unit must be set as the master remote controller for Fan, Dry, Cool, Heat.
  • Page 102 SI-05C.BOOK Page 88 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Operation Contents and Function If you set a Master remote controller The other remote controllers (Remote to COOL/HEAT (Remote controller not displaying controllers displaying <CHANGEOVER UNDER CONTROL>) <CHANGEOVER UNDER CONTROL>) l switch to the operation mode set by the master remote controller.

  • Page 103: Remote Controller Self-Diagnosis Function

    SI-05C.BOOK Page 89 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.15 Remote Controller Self-Diagnosis Function The remote controller switches are equipped with a self diagnosis function so that more appropriate maintenance can be carried out. If a malfunction occurs during operation, the operation lamp, malfunction code and display of malfunctioning unit No.
  • Page 104 SI-05C.BOOK Page 90 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Operation lamp Inspection display Unit No. Malfunction code Malfunction contents Blinking Blinking Blinking Outdoor unit: Malfunction of thermistor (R2T) for heat exchanger (loose connection, disconnection, short circuit, failure) Blinking Outdoor unit: Malfunction of thermistor (R2T) for heat exchanger (loose connection, disconnection, short circuit,...
  • Page 105 SI-05C.BOOK Page 91 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Failure Diagnosis The indoor unit display section or the separately installed receiver unit’s operation lamp blinks for stop due by Wireless Remote to malfunction. You can diagnose the problem as described on the following page using the malfunction Controller code located by the method described below.

  • Page 106: Operation Of The Remote Controller's Inspection Test Operation Button

    SI-05C.BOOK Page 92 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1.16 Operation of the Remote Controller’s Inspection / Test Operation Button Unit Malfunction code Inspection Normal display (No display) Malfunction code blinks when a malfunction occurs. Inspection/test Push the button. operation Unit Example of capacity code display...

  • Page 107: Remote Controller Service Mode

    SI-05C.BOOK Page 93 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.17 Remote Controller Service Mode How to Enter the Service Mode Service Mode 1. Select the mode No. Operation Method Set the desired mode No. with the button. 2.
  • Page 108 SI-05C.BOOK Page 94 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Mode No Function Contents and operation method Remote controller display example 4 4 4 4 0 0 0 0 Malfunction hysteresis Display malfunction hysteresis. display The hysteresis No. can be changed with the Unit 1 button.

  • Page 109: Model Change Of Centralized Control Devices

    SI-05C.BOOK Page 95 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.18 Model Change of Centralized Control Devices The following optional controllers for centralized control will be changed from model A to model B, and will be an upgrade in terms of the system. The main modifications are as follows. 1.18.1 Main Modifications Changes (Model A to Model B) Central Model No.
  • Page 110 SI-05C.BOOK Page 96 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1.18.2 When Using Model A Centralized Control Device Up to 128 indoor units can be connected within a system. (Group control by remote controller is required if more than 64 units are connected with the same system.) Only 1 central remote controller can be connected per system.
  • Page 111 SI-05C.BOOK Page 97 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.18.3 When Using Model B Centralized Control Device Up to 128 indoor units can be connected within a system. (Group control is not required to increase the number of units that can be connected within the system.) When double remote controllers are connected, the same indoor unit cannot be registered for more than one central remote controller.

  • Page 112: Central Remote Controller (Dcs302A51 / Dcs302B61)

    SI-05C.BOOK Page 98 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1.19 Central Remote Controller (DCS302A51 / DCS302B61) Enables central control with the performance of a series of remote controllers by connecting with up to 64 groups of indoor units (128 units). You can connect with up to 64 groups of indoor units (128 units) and monitor or perform operations such as turning on/off individually or simultaneously, setting temperature, etc., by the zone.
  • Page 113 SI-05C.BOOK Page 99 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation A Group of Indoor 1. 1 indoor unit with no remote controller Units 2. 1 indoor unit controlled by either 1 or 2 remote controllers 3. Max. 16 indoor units controlled by either 1 or 2 remote controllers Zone Control by A “zone”...
  • Page 114 SI-05C.BOOK Page 100 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1.19.2 Central Remote Controller Part Names and Functions Display Section (All items in the display are lit for the purpose of explanation, contrary to when actually operating.) Refrigerant system display 10 Display of time to clean The inclaction in the square is lit while the refrigerant system is Lights when it’s time to clean the element or filter of any group.

  • Page 115: Control Wiring

    SI-05C.BOOK Page 101 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Control Section Selector button Clearing button for malfunction code memory Selects group belonging to the zone. Push to reset the malfunction code. Zone setting button 10 Filter sign reset button Turns zone setting mode on or off.
  • Page 116 SI-05C.BOOK Page 102 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Control Wiring (Indoor units in same system shown in the following examples.) Connection Example 1. series wiring 2. Bus wiring (can be branched in max. 16 locations) Example showing 3 branches 3.
  • Page 117 SI-05C.BOOK Page 103 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Wiring to Indoor The terminals (F1, F2) of the control terminal block of the central remote controller and the terminals (F1, Units F2) of indoor units for which a group No. has been set are wired as shown in the figure below. (There is no polarity, so it doesn’t matter if F1 and F2 are wired inversely.) ∗...
  • Page 118 SI-05C.BOOK Page 104 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C How to Select Whether operation by remote controller will be possible or not for turning on/off, controlling temperature or Operation Mode setting operation mode is selected and decided by the operation mode given on the right edge of the table below.

  • Page 119: Unified On/Off Controller (Dcs301A51/ Dcs301B61)

    SI-05C.BOOK Page 105 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.20 Unified ON/OFF Controller (DCS301A51/ DCS301B61) Turns each group of indoor units on/off individually or simultaneously for up to 16 groups (128 units), and lets you check the operation/malfunction display all at once at a glance. Lets you turn up to 16 groups of indoor units (128 units) on/off simultaneously or individually, and lets you check the operation/malfunction display all at once at a glance.
  • Page 120 SI-05C.BOOK Page 106 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C A Group of Indoor 1. 1 indoor unit with no remote controller Units NOTE: If not using remote controllers, use in combination with central remote controller. 2. 1 indoor unit controlled by either 1 or 2 remote controllers 3.
  • Page 121 SI-05C.BOOK Page 107 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Wiring for Indoor Terminals F1 and F2 of the unified ON/OFF controller’s terminal block for control and terminals F1 and F2 Unit of the indoor unit with set group No. are wired as shown in the figure below. (There is no polarity, so it doesn’t matter if F1 and F2 are inverted.) ∗...

  • Page 122: Schedule Timer (Dst301A51 / Dst301B61)

    SI-05C.BOOK Page 108 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1.21 Schedule Timer (DST301A51 / DST301B61) Allows you to connect and manage by unified control the weekly schedule of up to 128 indoor units. Manages by unified control the weekly schedule of up to 128 indoor units. Lets you set in 1-minute increments on/off time twice a day by the week.
  • Page 123 SI-05C.BOOK Page 109 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Wiring for <Indoor unit wiring> Transmission 1. If schedule timer individual use: For the schedule timer’s power supply, connect the schedule timer’s connectors (D1/D2) and the connector on the indoor unit’s PC board (CN18) with the attached cable and crimp style terminals. 2.
  • Page 124 SI-05C.BOOK Page 110 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1.21.2 Schedule Timer Part Names and Functions Display Section All items in the display are lit for the purpose of explanation, contrary to when actually operating Programmed time No. Display of programmed time of system start Displays time No.
  • Page 125 SI-05C.BOOK Page 111 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Control Section Clock adjusting button Timer ON button Push to set the present time. Sets the present time or programmed time. Button for selecting days of a week Hour/minute button Push when selecting days of a week.

  • Page 126: Combining Different Types Of Centralized Control Devices

    SI-05C.BOOK Page 112 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1.22 Combining Different Types of Centralized Control Devices <DCS302A51 · DCS301A51 · DST301A51> <DCS302B61 · DCS301B61 · DST301B61> In addition to using optional controllers for centralized control independently, you also combine and connect a schedule timer and unified ON/OFF controller with a central remote controller.
  • Page 127 SI-05C.BOOK Page 113 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.22.2 Connection for Optional Controller for Centralized Control You can use any combination of one central remote controller, one schedule timer, and from one to four unified ON/OFF controllers. If using the model B Series, you can use any combination of two central remote controller, one schedule timer, and from one to eight unified ON/OFF controllers.
  • Page 128 SI-05C.BOOK Page 114 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1.22.3 Electric Wiring Combination of one central remote controller, one schedule timer and three unified ON/OFF controllers : http://splitoff.ru/tehn-doc.html Test Operation Inverter K Series...
  • Page 129 SI-05C.BOOK Page 115 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Initial Settings of 1. Central remote controller Optional Leave the connector for setting master controller (CN) connected. (Connected at factory set.) Controllers for Connect this connector to one central control line only. Centralized Control Control mode Sets priority sequence for control of central remote controller and indoor unit remote controllers.
  • Page 130 SI-05C.BOOK Page 116 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C : http://splitoff.ru/tehn-doc.html Test Operation Inverter K Series...

  • Page 131: Part 4 Troubleshooting Inverter K Series

    SI-05C.BOOK Page 117 Monday, November 6, 2000 4:13 PM SiE-05C Part 4 Troubleshooting Inverter K Series 1. Operation Flowcharts ................119 1.1 Indoor Unit Operation Flowchart............119 1.2 Outdoor Unit Operation Flowchart............124 2. Diagnosis by Malfunction Code............128 2.1 Diagnosis by Malfunction Code ............128 2.2 Failure Diagnosis.................
  • Page 132 SI-05C.BOOK Page 118 Monday, November 6, 2000 4:13 PM SiE-05C 3.32 Malfunction of Transmission Between Indoor and Outdoor Units in the Same System ............. 155 3.33 Excessive Number of Indoor Units ............156 3.34 Address Duplication of Central Remote Controller......156 3.35 Refrigerant System not set, Incompatible Wiring/Piping .....

  • Page 133: Operation Flowcharts

    SI-05C.BOOK Page 119 Monday, November 6, 2000 4:13 PM SiE-05C Operation Flowcharts 1. Operation Flowcharts Indoor Unit Operation Flowchart Start Power on Initialize electronic expansion valve YIE Louver lock detection   Indicates previous settings for air flow Remote contoller lamp on ...
  • Page 134 SI-05C.BOOK Page 120 Monday, November 6, 2000 4:13 PM Operation Flowcharts SiE-05C Cooling operation Auxiliary electric heater (52H): OFF Moisture prevention Swing flap? condions? Moisture prevention position Auxiliary electric heater (52H): OFF Set direction of air flow Cassette: P1 Suspended :P0 Program dry on/off? Program dry in operation Program dry display: Cancelled...
  • Page 135 SI-05C.BOOK Page 121 Monday, November 6, 2000 4:13 PM SiE-05C Operation Flowcharts Program dry operation ∗7 Program dry dieplay ∗8 Fan MF : 6 minutes stopped Thermostat status? then L operation Electronic expansion valve Fan MF : operation: L closed (Option) Electronic expansion valve Drain-up kit M1P : Off after 5...
  • Page 136 SI-05C.BOOK Page 122 Monday, November 6, 2000 4:13 PM Operation Flowcharts SiE-05C Heating operation Drain kit (M1P): OFF Swing flap? ∗12 ∗12 Air flow direction setting Swing flap Defrost operation in progress? ∗13 Hot start in progress? Defrost/Hot start display: ON Defrost/Hot start display: OFF Recycling gurad timer ON (5 minutes)?
  • Page 137 SI-05C.BOOK Page 123 Monday, November 6, 2000 4:13 PM SiE-05C Operation Flowcharts ∗14. Thermostat status ∗15 Low discharge air temperature protection Protection is effected when the preset temperature is 24˚C or lower and the opening of the electronic expansion valve is slight. : http://splitoff.ru/tehn-doc.html Troubleshooting Inverter K Series...

  • Page 138: Outdoor Unit Operation Flowchart

    SI-05C.BOOK Page 124 Monday, November 6, 2000 4:13 PM Operation Flowcharts SiE-05C Outdoor Unit Operation Flowchart Start Power on Initialize electronic expansion valve (Y1E) Fan or temperature control? Temperature control Restart prevention in progress (5 minutes) ? Has indoor unit thermostat on operation signal been output to more than 1 unit?
  • Page 139 SI-05C.BOOK Page 125 Monday, November 6, 2000 4:13 PM SiE-05C Operation Flowcharts Cooling operation ∗18 Start control in progress? Oil equalization in progress? ∗19 Compressor protection operation in progress? ∗22 Low temperature protection operation in progress? Inverter compressor magnetic contactor Inverter output frequency 30~116 Hz by PI 30~116 Hz by PI and...
  • Page 140 SI-05C.BOOK Page 126 Monday, November 6, 2000 4:13 PM Operation Flowcharts SiE-05C Heating operation ∗18 Start control in progress? Defrosting operation in progress? ∗23 Oil equalization in progress? Compressor protection operation in progress? Inverter compressor magnetic contactor 30~116 Hz by PI Inverter output frequency 30~116 Hz by PI and 38 Hz...
  • Page 141 SI-05C.BOOK Page 127 Monday, November 6, 2000 4:13 PM SiE-05C Operation Flowcharts ∗20 PI control Controls ON/OFF of the standard compressor and inverter output frequency so that suction pressure is the optimal value. ∗21 Discharge temperature protection ∗22 Fan control during low temperature protection If Tc is less than 26.1˚C for 30 continuous seconds, fan speed changes as follows: H + ON / H + OFF / L + OFF.

  • Page 142: Diagnosis By Malfunction Code

    SI-05C.BOOK Page 128 Monday, November 6, 2000 4:13 PM Diagnosis by Malfunction Code SiE-05C 2. Diagnosis by Malfunction Code Diagnosis by Malfunction Code Malfunction code Malfunction contents Fan operation Page Indoor unit: Error of external protection device Indoor unit: PC board defect Indoor unit: Malfunction of drain level control system (33H) Indoor unit: Fan motor (M1F) lock, overload Indoor unit: Malfunction of swing flap motor (M1S)

  • Page 143: Failure Diagnosis

    SI-05C.BOOK Page 129 Monday, November 6, 2000 4:13 PM SiE-05C Diagnosis by Malfunction Code Failure Diagnosis 2.2.1 Inverter Failure Diagnosis Malfunction code Malfunction contents Fan operation Page Outdoor unit: Malfunction of inverter radiating fin temperature rise Outdoor unit: Inverter instantaneous over-current Outdoor unit: Inverter thermostat sensor, compressor overload Outdoor unit: Inverter stall prevention, compressor lock Outdoor unit: Malfunction of transmission between inverter and...

  • Page 144: Troubleshooting

    SI-05C.BOOK Page 130 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3. Troubleshooting Indoor Unit: Error of External Protection Device A A A A 0 0 0 0 Remote Controller Display Supposed Causes Actuation of external protection device Improper field set Defect of indoor unit PC board Troubleshooting External...

  • Page 145: Indoor Unit: Pc Board Defect

    SI-05C.BOOK Page 131 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting Indoor Unit: PC Board Defect A A A A 1 1 1 1 Remote Controller Display Supposed Causes Defect of indoor unit PC board Troubleshooting Replace the indoor unit PC board. : http://splitoff.ru/tehn-doc.html Troubleshooting Inverter K Series...

  • Page 146: Indoor Unit: Malfunction Of Drain Level Control System (33H)

    SI-05C.BOOK Page 132 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C Indoor Unit: Malfunction of Drain Level Control System (33H) A A A A 3 3 3 3 Remote Controller Display Supposed Causes Defect of float switch or short circuit connector Defect of drain pump Drain clogging, upward slope, etc.

  • Page 147: Indoor Unit: Fan Motor (M1F) Lock, Overload

    SI-05C.BOOK Page 133 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting Indoor Unit: Fan Motor (M1F) Lock, Overload A A A A 6 6 6 6 Remote Controller Display Supposed Causes Fan motor lock Disconnected or faulty wiring between fan motor and PC board Troubleshooting Is the wiring from the fan...

  • Page 148: Indoor Unit: Malfunction Of Swing Flap Motor (M1S)

    SI-05C.BOOK Page 134 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C Indoor Unit: Malfunction of Swing Flap Motor (M1S) A A A A 7 7 7 7 Remote Controller Display Supposed Causes Defect of swing motor Defect of connection cable (power supply and limit switch) Defect of air flow direction adjusting flap-cam Defect of indoor unit PC board Troubleshooting...

  • Page 149: Indoor Unit: Malfunction Of Moving Part Of Electronic Expansion Valve (Y1E)

    SI-05C.BOOK Page 135 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting Indoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (Y1E) A A A A 9 9 9 9 Remote Controller Display Supposed Causes Malfunction of moving part of electronic expansion valve Defect of indoor unit PC board Defect of connecting cable Troubleshooting...

  • Page 150: Indoor Unit: Drain Level Above Limit

    SI-05C.BOOK Page 136 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C Indoor Unit: Drain Level above Limit A A A A F F F F Remote Controller Display Supposed Causes Humidifier unit (optional accessory) leaking Defect of drain pipe (upward slope, etc.) Defect of indoor unit PC board Troubleshooting Field drain...

  • Page 151: Indoor Unit: Malfunction Of Thermistor (R2T) For Liquid Pipe

    SI-05C.BOOK Page 137 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting Indoor Unit: Malfunction of Thermistor (R2T) for Liquid Pipe C C C C 4 4 4 4 Remote Controller Display Supposed Causes Defect of thermistor (R2T) for liquid pipe Defect of indoor unit PC board Troubleshooting Connector...

  • Page 152: Indoor Unit: Malfunction Of Thermistor (R1T) For Air Inlet

    SI-05C.BOOK Page 138 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.11 Indoor Unit: Malfunction of Thermistor (R1T) for Air Inlet C C C C 9 9 9 9 Remote Controller Display Supposed Causes Defect of indoor unit thermistor (R1T) for air inlet Defect of indoor unit PC board Troubleshooting Connector...

  • Page 153: Outdoor Unit: Actuation Of Safety Device

    SI-05C.BOOK Page 139 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3.13 Outdoor Unit: Actuation of Safety Device E E E E 0 0 0 0 Remote Controller Display Supposed Causes Actuation of outdoor unit safety device Defect of outdoor unit PC board Instantaneous power failure Troubleshooting Connector...

  • Page 154: Outdoor Unit: Actuation Of High Pressure Switch

    SI-05C.BOOK Page 140 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.15 Outdoor Unit: Actuation of High Pressure Switch E E E E 3 3 3 3 Remote Controller Display Supposed Causes Actuation of outdoor unit high pressure switch Defect of outdoor unit PC board (A1P) Instantaneous power failure Troubleshooting Contact...

  • Page 155: Outdoor Unit: Actuation Of Low Pressure Switch

    SI-05C.BOOK Page 141 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3.16 Outdoor Unit: Actuation of Low Pressure Switch E E E E 4 4 4 4 Remote Controller Display Supposed Causes Abnormal drop of low pressure (0 kg/cm² [0 MPa]) Defect of low pressure sensor Defect of outdoor unit PC board Troubleshooting...

  • Page 156: Outdoor Unit: Malfunction Of Moving Part Of Electronic Expansion Valve (Y1E)

    SI-05C.BOOK Page 142 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.17 Outdoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (Y1E) E E E E 9 9 9 9 Remote Controller Display Supposed Causes Defect of moving part of electronic expansion valve Defect of outdoor unit PC board (A1P) Defect of connecting cable Troubleshooting...

  • Page 157: Outdoor Unit: Abnormal Discharge Pipe Temperature

    SI-05C.BOOK Page 143 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3.18 Outdoor Unit: Abnormal Discharge Pipe Temperature F F F F 3 3 3 3 Remote Controller Display Supposed Causes Abnormal discharge pipe temperature Defect of discharge pipe thermistor (5K: R3T 8K, 10K: R3-1T, R3-2T) Defect of outdoor unit PC board Discharge pipe thermistor wrong connection Liquid injection solenoid valve wrong connection...

  • Page 158: Outdoor Unit: Malfunction Of Thermistor For Outdoor Air (R1T)

    SI-05C.BOOK Page 144 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.19 Outdoor Unit: Malfunction of Thermistor for Outdoor Air (R1T) H H H H 9 9 9 9 Remote Controller Display Supposed Causes Defect of thermistor (R1T) for outdoor unit outdoor air intake Defect of outdoor unit PC board (A1P) Troubleshooting Connector is...

  • Page 159: Outdoor Unit: Malfunction Of Thermistor (R4T) For Suction Pipe

    SI-05C.BOOK Page 145 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3.21 Outdoor Unit: Malfunction of Thermistor (R4T) for Suction Pipe J J J J 5 5 5 5 Remote Controller Display Supposed Causes Defect of thermistor (R4T) for outdoor unit suction pipe Defect of outdoor unit PC board (A1P) Troubleshooting Connector...

  • Page 160: Outdoor Unit: Malfunction Of Discharge Pipe Pressure Sensor

    SI-05C.BOOK Page 146 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.23 Outdoor Unit: Malfunction of Discharge Pipe Pressure Sensor J J J J A A A A Remote Controller Display Supposed Causes Defect of high pressure sensor system Connection of low pressure sensor with wrong connection. Defect of outdoor unit PC board.

  • Page 161: Outdoor Unit: Malfunction Of Suction Pipe Pressure Sensor

    SI-05C.BOOK Page 147 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3.24 Outdoor Unit: Malfunction of Suction Pipe Pressure Sensor J J J J C C C C Remote Controller Display Supposed Causes Defect of low pressure sensor system Connection of high pressure sensor with wrong connection. Defect of outdoor unit PC board.

  • Page 162: Outdoor Unit: Malfunction Of Oil Temperature Thermistor (R5T)

    SI-05C.BOOK Page 148 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.25 Outdoor Unit: Malfunction of Oil Temperature Thermistor (R5T) J J J J H H H H Remote Controller Display Supposed Causes Defect of oil temperature thermistor (R5T) Defect of outdoor unit PC board (A1P) Troubleshooting The outdoor Replace outdoor unit PC board (A1P).

  • Page 163: Low Pressure Drop Due To Refrigerant Shortage Or Electronic Expansion Valve Failure

    SI-05C.BOOK Page 149 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3.26 Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Failure U U U U 0 0 0 0 Remote Controller Display Supposed Causes Out of gas or refrigerant system clogging (incorrect piping) Defect of pressure sensor Defect of outdoor unit PC board Troubleshooting...

  • Page 164: Negative Phase, Open Phase

    SI-05C.BOOK Page 150 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.27 Negative Phase, Open Phase U U U U 1 1 1 1 Remote Controller Display Supposed Causes Power supply negative phase Power supply open phase Defect of outdoor PC board A1P Troubleshooting There is an open phase at...

  • Page 165: Malfunction Of Transmission Between Indoor Units

    SI-05C.BOOK Page 151 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3.28 Malfunction of Transmission Between Indoor Units U U U U 4 4 4 4 Remote Controller Display Supposed Causes Indoor to outdoor,outdoor to outdoor crossover wiring disconnection, short circuit or wrong check Outdoor unit power supply is OFF System address doesn’t match Defect of indoor unit PC board...

  • Page 166: Malfunction Of Transmission Between Remote Controller And Indoor Unit

    SI-05C.BOOK Page 152 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.29 Malfunction of Transmission Between Remote Controller and Indoor Unit U U U U 5 5 5 5 Remote Controller Display Supposed Causes Malfunction of indoor unit remote controller transmission Connection of two main remote controllers (when using 2 remote controllers) Defect of indoor unit PC board Defect of remote controller PC board...

  • Page 167: Malfunction Of Transmission Between Outdoor Units

    SI-05C.BOOK Page 153 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3.30 Malfunction of Transmission Between Outdoor Units U U U U 7 7 7 7 Remote Controller Display Supposed Causes Improper connection of transmission wiring between outdoor unit and outdoor unit outside control adaptor Improper cool/heat selection Improper cool/heat unified address (outdoor unit, external control adaptor for outdoor unit)

  • Page 168: Malfunction Of Transmission Between Master And Slave Remote Controllers

    SI-05C.BOOK Page 154 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.31 Malfunction of Transmission Between Master and Slave Remote Controllers U U U U 8 8 8 8 Remote Controller Display Supposed Causes Malfunction of transmission between main and sub remote controller Connection between sub remote controllers Defect of remote controller PC board Troubleshooting...

  • Page 169: Malfunction Of Transmission Between Indoor And Outdoor Units In The Same System

    SI-05C.BOOK Page 155 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3.32 Malfunction of Transmission Between Indoor and Outdoor Units in the Same System U U U U 9 9 9 9 Remote Controller Display Supposed Causes Malfunction of transmission within or outside of other system Malfunction of electronic expansion valve in indoor unit of other system Defect of PC board of indoor unit in other system Improper connection of transmission wiring between indoor and outdoor unit...

  • Page 170: Excessive Number Of Indoor Units

    SI-05C.BOOK Page 156 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.33 Excessive Number of Indoor Units U U U U A A A A Remote Controller Display Supposed Causes Excess of connected indoor units Defect of outdoor unit PC board (A1P) Troubleshooting The total of indoor units...

  • Page 171: Refrigerant System Not Set, Incompatible Wiring/Piping

    SI-05C.BOOK Page 157 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3.35 Refrigerant System not set, Incompatible Wiring/Piping U U U U F F F F Remote Controller Display Supposed Causes Improper connection of transmission wiring between outdoor unit and outdoor unit outside control adaptor Failure to execute wiring check operation Defect of indoor unit PC board...

  • Page 172: Malfunction Of System, Refrigerant System Address Undefined

    SI-05C.BOOK Page 158 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.36 Malfunction of System, Refrigerant System Address Undefined U U U U H H H H Remote Controller Display Supposed Causes Improper connection of transmission wiring between outdoor unit and outdoor unit outside control adaptor Defect of indoor unit PC board Defect of outdoor unit PC board (A1P)

  • Page 173: Failure Diagnosis For Inverter System

    SI-05C.BOOK Page 159 Monday, November 6, 2000 4:13 PM SiE-05C Failure Diagnosis for Inverter System 4. Failure Diagnosis for Inverter System Points of Diagnosis The main causes for each malfunction code are given in the table below. (For details refer to the next page and those following.) : Failure is probable : Failure is possible...

  • Page 174: How To Use The Monitor Switch On The Inverter Pc Board

    SI-05C.BOOK Page 160 Monday, November 6, 2000 4:13 PM Failure Diagnosis for Inverter System SiE-05C How to use the Monitor Switch on the Inverter PC Board The monitor lets you know the contents of the latest stop due to malfunction by LED display on the inverter PC Board.

  • Page 175: Troubleshooting (Inverter)

    SI-05C.BOOK Page 161 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting (Inverter) 5. Troubleshooting (Inverter) Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise L L L L 4 4 4 4 Remote Controller Display Supposed Causes Actuation of fin thermal (Actuates at min. 90˚C and resets at max. 80˚C) Defect of inverter PC board Defect of fin thermistor Troubleshooting...

  • Page 176: Outdoor Unit: Inverter Instantaneous Over-Current

    SI-05C.BOOK Page 162 Monday, November 6, 2000 4:13 PM Troubleshooting (Inverter) SiE-05C Outdoor Unit: Inverter Instantaneous Over-Current L L L L 5 5 5 5 Remote Controller Display Supposed Causes Defect of compressor coil (disconnected, defective insulation) Compressor start-up malfunction (mechanical lock) Defect of inverter unit Troubleshooting Compressor inspection...

  • Page 177: Outdoor Unit: Inverter Thermostat Sensor, Compressor Overload

    SI-05C.BOOK Page 163 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting (Inverter) Outdoor Unit: Inverter Thermostat Sensor, Compressor Overload L L L L 8 8 8 8 Remote Controller Display Supposed Causes Compressor overload Compressor coil disconnected Defect of inverter unit Troubleshooting Output current check The secondary...

  • Page 178: Outdoor Unit: Inverter Stall Prevention, Compressor Lock

    SI-05C.BOOK Page 164 Monday, November 6, 2000 4:13 PM Troubleshooting (Inverter) SiE-05C Outdoor Unit: Inverter Stall Prevention, Compressor Lock L L L L 9 9 9 9 Remote Controller Display Supposed Causes Defect of compressor Pressure differential start Defect of inverter unit Troubleshooting The difference between high and low...

  • Page 179: Outdor Unit: Malfunction Of Transmission Between Inverter And Control Pc Board

    SI-05C.BOOK Page 165 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting (Inverter) Outdor Unit: Malfunction of Transmission between Inverter and Control PC Board L L L L C C C C Remote Controller Display Supposed Causes Malfunction of connection between the inverter unit and outdoor unit PC board Defect of outdoor unit PC board (transmission section) Defect of inverter unit Defect of noise filter (NF1)

  • Page 180: Power Supply Insufficient Or Instantaneous Failure

    SI-05C.BOOK Page 166 Monday, November 6, 2000 4:13 PM Troubleshooting (Inverter) SiE-05C Power Supply Insufficient or Instantaneous Failure U U U U 2 2 2 2 Remote Controller Display Supposed Causes Power supply insufficient Instantaneous failure Open phase Defect of inverter unit Defect of outdoor PC board Defect of K1M.

  • Page 181: Outdoor Unit: Malfunction Of Inverter Radiating Fin Temperature Rise Sensor

    Give the user a copy of "notification of inspection results"and leave it up to is a "power supply imbalance" for him to improve the imbalance. which DAIKIN is not responsible. Contact QC div. Be sure to send a product report of the imbalance.

  • Page 182: Outdoor Unit: Inverter Over-Ripple Protection

    SI-05C.BOOK Page 168 Monday, November 6, 2000 4:13 PM Troubleshooting (Inverter) SiE-05C Outdoor Unit: Inverter Over-Ripple Protection P P P P 4 4 4 4 Remote Controller Display Supposed Causes Defect of radiator fin temperature sensor Defect of inverter unit Troubleshooting Turn on again after letting 30...

  • Page 183: Troubleshooting (Op: Central Remote Controller)

    Part4.fm Page 169 Wednesday, January 31, 2001 8:57 AM SiE-05C Troubleshooting (OP: Central Remote Controller) 6. Troubleshooting (OP: Central Remote Controller) Malfunction of Transmission between Central Remote Controller and Indoor Unit U U U U E E E E Remote Controller Display Supposed Causes Malfunction of transmission between optional controllers for centralized control and indoor unit...

  • Page 184: Pc Board Defect

    Part4.fm Page 170 Wednesday, January 31, 2001 8:58 AM Troubleshooting (OP: Central Remote Controller) SiE-05C PC Board Defect M M M M 1 1 1 1 Remote Controller Display Supposed Causes Defect of central remote controller PC board Troubleshooting Replace the central remote controller PC board. Malfunction of Transmission between Optional Controllers for Centralized Control M M M M 8 8 8 8...

  • Page 185: For Centralized Control

    SI-05C.BOOK Page 171 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting (OP: Central Remote Controller) Improper Combination of Optional Controllers for Centralized Control M M M M A A A A Remote Controller Display Supposed Causes Improper combination of optional controllers for centralized control More than one master controller is connected Defect of PC board of optional controller for centralized control Troubleshooting...

  • Page 186: Address Duplication, Improper Setting

    SI-05C.BOOK Page 172 Monday, November 6, 2000 4:13 PM Troubleshooting (OP: Central Remote Controller) SiE-05C Address Duplication, Improper Setting M M M M C C C C Remote Controller Display Supposed Causes Address duplication of central remote controller Troubleshooting two or more central Disconnect all central remote remote controllers controllers except one and reset the...

  • Page 187: Troubleshooting (Op: Schedule Timer)

    Part4.fm Page 173 Wednesday, January 31, 2001 9:01 AM SiE-05C Troubleshooting (OP: Schedule Timer) 7. Troubleshooting (OP: Schedule Timer) Malfunction of Transmission between Central Remote Controller and Indoor Unit U U U U E E E E Remote Controller Display Supposed Causes Malfunction of transmission between central remote controller and indoor unit Disconnection of connector for setting master controller (or individual/combined switching connector)
  • Page 188 SI-05C.BOOK Page 174 Monday, November 6, 2000 4:13 PM Troubleshooting (OP: Schedule Timer) SiE-05C PC Board Defect M M M M 1 1 1 1 Remote Controller Display Supposed Causes Defect of schedule timer PC board Troubleshooting Replace the schedule timer PC board. Malfunction of Transmission between Optional Controllers for Centralized Control M M M M 8 8 8 8...

  • Page 189: Improper Combination Of Optional Controllers For Centralized Control

    SI-05C.BOOK Page 175 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting (OP: Schedule Timer) Improper Combination of Optional Controllers for Centralized Control M M M M A A A A Remote Controller Display Supposed Causes Improper combination of optional controllers for centralized control More than one master controller is connected.
  • Page 190 SI-05C.BOOK Page 176 Monday, November 6, 2000 4:13 PM Troubleshooting (OP: Schedule Timer) SiE-05C Address Duplication, Improper Setting M M M M C C C C Remote Controller Display Supposed Causes Address duplication of optional controller for centralized control Troubleshooting Are two or more schedule timers Disconnect all schedule timers except...

  • Page 191: Troubleshooting (Op: Unified On/Off Controller)

    Part4.fm Page 177 Wednesday, January 31, 2001 9:02 AM SiE-05C Troubleshooting (OP: Unified ON/OFF Controller) 8. Troubleshooting (OP: Unified ON/OFF Controller) Operation Lamp Blinks Remote Controller Operation lamp blinks Display Suppposed Causes Malfunction of transmission between optional controller and indoor unit Connector for setting master controller is disconnected Defect of unified ON/OFF controller Defect of indoor unit PC board...
  • Page 192 SI-05C.BOOK Page 178 Monday, November 6, 2000 4:13 PM Troubleshooting (OP: Unified ON/OFF Controller) SiE-05C Display “Under Host Computer Integrate Control” Blinks (Repeats Single Blink) Remote Controller “under host computer integrated control” (Repeats single blink) Display Supposed Causes Address duplication of central remote controller Improper combination of optional controllers for centralized control Connection of more than one master controller Malfunction of transmission between optional controllers for centralized control...
  • Page 193 SI-05C.BOOK Page 179 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting (OP: Unified ON/OFF Controller) Cannot be used in combination with a wiring adaptor for electrical the wiring adaptor for appendices. Remove the wiring electrical appendices adaptor for electrical appendices connected? and reset the power supply for all optional controllers for centralized...
  • Page 194 SI-05C.BOOK Page 180 Monday, November 6, 2000 4:13 PM Troubleshooting (OP: Unified ON/OFF Controller) SiE-05C Display “Under Host Computer Integrate Control” Blinks (Repeats Double Blink) Remote Controller “under host computer integrated control” (Repeats double blink) Display Supposed Causes Central control address (group No.) is not set for indoor unit. Improper address setting Improper wiring of transmission wiring Troubleshooting...

  • Page 195: Appendix

    SI-05C.BOOK Page 181 Monday, November 6, 2000 4:13 PM SiE-05C Appendix 9. Appendix Precaution 9.1.1 Precautions When Replacing K Series PC Boards If you replace the indoor or outside unit PC board, push and hold the RESET button on the outdoor unit PC Board for 5 seconds.

  • Page 196: Typical Wiring Mistakes

    SI-05C.BOOK Page 182 Monday, November 6, 2000 4:13 PM Appendix SiE-05C Typical Wiring Mistakes One of the indoor units is connected to outdoor-to- outdoor transmission terminals Installation / test operation Indoor unit 1 Normal Indoor unit 2 UF malfunction Other Indoor unit 1 Normal Indoor unit 2 U4 malfunction or no malfunction display : http://splitoff.ru/tehn-doc.html...
  • Page 197 SI-05C.BOOK Page 183 Monday, November 6, 2000 4:13 PM SiE-05C Appendix All Indoor Units Connected to the Outdoor-to- Outdoor Unit Terminal Installation / test operation Indoor unit 1 UF malfunction Indoor unit 2 Other Indoor unit 1 U4 malfunction or no malfunction display Indoor unit 2 : http://splitoff.ru/tehn-doc.html...
  • Page 198 SI-05C.BOOK Page 184 Monday, November 6, 2000 4:13 PM Appendix SiE-05C All Indoor Units Connected to Indoor-to-Outdoor and Outdoor-to- Outdoor Unit Terminals Installation / test operation Indoor unit 1 U4 malfunction Indoor unit 2 : http://splitoff.ru/tehn-doc.html Troubleshooting Inverter K Series...
  • Page 199 SI-05C.BOOK Page 185 Monday, November 6, 2000 4:13 PM SiE-05C Appendix Extended Indoor Unit 10 min. after turning power on Indoor unit 1 Normal Indoor unit 2 U4 malfunction ↓ Push and hold RESET button for 5 sec. ↓ After 12 minutes elapse Indoor unit 1 Normal Indoor unit 2 Normal : http://splitoff.ru/tehn-doc.html...
  • Page 200 SI-05C.BOOK Page 186 Monday, November 6, 2000 4:13 PM Appendix SiE-05C One of the indoor units of outdoor unit 1 is connected to outdoor-to- outdoor transmission terminals Installation / test operation Indoor unit 1 Normal Indoor unit 2 UF malfunction Indoor unit 3 Normal Indoor unit 4 Normal Other...
  • Page 201 SI-05C.BOOK Page 187 Monday, November 6, 2000 4:13 PM SiE-05C Appendix The indoor-to- outdoor terminal of outdoor unit 1 and the outdoor-to- outdoor terminal of outdoor unit 2 are connected Indoor unit 1 Normal Indoor unit 2 Normal Indoor unit 3 UH malfunction Indoor unit 4 The indoor-to-...
  • Page 202 SI-05C.BOOK Page 188 Monday, November 6, 2000 4:13 PM Appendix SiE-05C : http://splitoff.ru/tehn-doc.html Troubleshooting Inverter K Series...

  • Page 203: Part 5 General Information Plus Series

    SI-05C.BOOK Page 189 Monday, November 6, 2000 4:13 PM SiE-05C Part 5 General Information PLUS Series 1. Features of the VRV PLUS Series ............190 1.1 Improved Piping System..............190 Improved Piping System..............193 1.3 Dramatic Reduction of Wiring Saves Time and Labor When Installing ..................

  • Page 204: Features Of The Vrv Plus Series

    SI-05C.BOOK Page 190 Monday, November 6, 2000 4:13 PM Features of the VRV PLUS Series SiE-05C 1. Features of the VRV PLUS Series Improved Piping System A newly developed function unit realizes a single piping system for the VRV PLUS Series. The series is designed for use with both heat pump system and heat recovery system type outdoor units.
  • Page 205 SI-05C.BOOK Page 191 Monday, November 6, 2000 4:13 PM SiE-05C Features of the VRV PLUS Series Product Features Saves Labor and Space Offers 30% reduction of refrigerant piping work cost. : http://splitoff.ru/tehn-doc.html General Information PLUS Series...
  • Page 206 SI-05C.BOOK Page 192 Monday, November 6, 2000 4:13 PM Features of the VRV PLUS Series SiE-05C Offers approx. 70% reduction of pipe shaft and space. Combination of outdoor and function units enables selection that matches required capacity. Single piping system reduces time and labor required for connection check. : http://splitoff.ru/tehn-doc.html General Information PLUS Series...

  • Page 207: Improved Piping System

    SI-05C.BOOK Page 193 Monday, November 6, 2000 4:13 PM SiE-05C Features of the VRV PLUS Series Improved Piping System VRV PLUS Series System Example Sales Points Dramatic reduction of wiring saves time and labor when installing. <Present System> Transmission wiring between indoor and outdoor units (double core with polarity) Central transmission line (double core with polarity) ↓...

  • Page 208: Dramatic Reduction Of Wiring Saves Time And Labor When Installing

    SI-05C.BOOK Page 194 Monday, November 6, 2000 4:13 PM Features of the VRV PLUS Series SiE-05C Dramatic Reduction of Wiring Saves Time and Labor When Installing With the existing VRV H Series, the transmission wiring between indoor and outdoor units and central transmission line for when using a central remote controller are run separately.

  • Page 209: System Outline

    SI-05C.BOOK Page 195 Monday, November 6, 2000 4:13 PM SiE-05C System Outline 2. System Outline Heat Pump and Cooling Only System RX(Y)-K Heat pump L unit BL-K Inverter type outdoor unit RXY-K Constant speed type outdoor unit RNY-K Cooling only C unit BC-K Inverter type outdoor unit...

  • Page 210: Heat Recovery System

    SI-05C.BOOK Page 196 Monday, November 6, 2000 4:13 PM System Outline SiE-05C Heat Recovery System REY-K R unit BR-K Inverter type outdoor unit RXY-K Constant speed type outdoor unit RNY-K Connectable Indoor 20type Unit Capacity Indoor Unit 50 - 130% of outdoor unit total capacity Connection Capacity No.

  • Page 211: Indoor / Outdoor Unit Combinations

    SI-05C.BOOK Page 197 Monday, November 6, 2000 4:13 PM SiE-05C Indoor / Outdoor Unit Combinations 3. Indoor / Outdoor Unit Combinations Indoor/Outdoor Unit Combinations 3.1.1 Heat Pump System Model Function unit Combination No. of indoor unit to ∗1 be connected Inverter Constant speed RXY16K...
  • Page 212 SI-05C.BOOK Page 198 Monday, November 6, 2000 4:13 PM Indoor / Outdoor Unit Combinations SiE-05C : http://splitoff.ru/tehn-doc.html General Information PLUS Series...

  • Page 213: Part 6 Functions Plus Series

    SI-05C.BOOK Page 199 Monday, November 6, 2000 4:13 PM SiE-05C Part 6 Functions PLUS Series 1. Outdoor Unit Refrigerant System Diagrams........200 1.1 Function Unit ..................200 1.2 Outdoor Unit ..................208 2. Function of Thermistors and Pressure Sensors........216 2.1 Function of Thermistors and Pressure Sensors ........216 3.

  • Page 214: Outdoor Unit Refrigerant System Diagrams

    SI-05C.BOOK Page 200 Monday, November 6, 2000 4:13 PM Outdoor Unit Refrigerant System Diagrams SiE-05C 1. Outdoor Unit Refrigerant System Diagrams Function Unit BL2K : http://splitoff.ru/tehn-doc.html Functions PLUS Series...
  • Page 215 SI-05C.BOOK Page 201 Monday, November 6, 2000 4:13 PM SiE-05C Outdoor Unit Refrigerant System Diagrams A. Solenoid valve (for shutting system 2 gas pipe) Y1S 2-way solenoid valve for shutting the gas pipe of the second system when system 2 outdoor units are stopped during heating.
  • Page 216 SI-05C.BOOK Page 202 Monday, November 6, 2000 4:13 PM Outdoor Unit Refrigerant System Diagrams SiE-05C BL3K : http://splitoff.ru/tehn-doc.html Functions PLUS Series...
  • Page 217 SI-05C.BOOK Page 203 Monday, November 6, 2000 4:13 PM SiE-05C Outdoor Unit Refrigerant System Diagrams A. Solenoid valve (for shutting system 2 gas pipe) Y1S 2-way solenoid valve for shutting the gas pipe of the second system when system 2 outdoor units are stopped during heating.
  • Page 218 SI-05C.BOOK Page 204 Monday, November 6, 2000 4:13 PM Outdoor Unit Refrigerant System Diagrams SiE-05C BC2K : http://splitoff.ru/tehn-doc.html Functions PLUS Series...
  • Page 219 SI-05C.BOOK Page 205 Monday, November 6, 2000 4:13 PM SiE-05C Outdoor Unit Refrigerant System Diagrams A. Solenoid valve (for shutting system 2 equalized pressure gas pipe) Y3S 2-way solenoid valve for shutting the equalized pressure gas pipe of the second system when system 2 outdoor units are stopped during cooling.
  • Page 220 SI-05C.BOOK Page 206 Monday, November 6, 2000 4:13 PM Outdoor Unit Refrigerant System Diagrams SiE-05C BC3K : http://splitoff.ru/tehn-doc.html Functions PLUS Series...
  • Page 221 SI-05C.BOOK Page 207 Monday, November 6, 2000 4:13 PM SiE-05C Outdoor Unit Refrigerant System Diagrams A. Solenoid valve (for shutting system 2 equalized pressure gas pipe) Y3S 2-way solenoid valve for shutting the equalized pressure gas pipe of the second system when system 2 outdoor units are stopped during coolling.

  • Page 222: Outdoor Unit

    SI-05C.BOOK Page 208 Monday, November 6, 2000 4:13 PM Outdoor Unit Refrigerant System Diagrams SiE-05C Outdoor Unit RXY8K / RXY10K (8. 10HP) : http://splitoff.ru/tehn-doc.html Functions PLUS Series...
  • Page 223 SI-05C.BOOK Page 209 Monday, November 6, 2000 4:13 PM SiE-05C Outdoor Unit Refrigerant System Diagrams A. Compressor A combination of scroll compressor enabling operation at 30 - 106 Hz by inverter and constant speed type compressor for carrying out on/off control realizes capacity control in 19 steps, and carries out capacity control for individual and linear control of indoor units.
  • Page 224 SI-05C.BOOK Page 210 Monday, November 6, 2000 4:13 PM Outdoor Unit Refrigerant System Diagrams SiE-05C RNY8K / RNY10K (8.10HP) : http://splitoff.ru/tehn-doc.html Functions PLUS Series...
  • Page 225 SI-05C.BOOK Page 211 Monday, November 6, 2000 4:13 PM SiE-05C Outdoor Unit Refrigerant System Diagrams A. Compressor Controls capacity of 0 - 45 - 100% by combination of constant speed type compressors 1 and 2. Compressor is equipped with an oil discharge function for draining excess oil from the high pressure side. B.
  • Page 226 SI-05C.BOOK Page 212 Monday, November 6, 2000 4:13 PM Outdoor Unit Refrigerant System Diagrams SiE-05C RX8K / RX10K (8.10HP) : http://splitoff.ru/tehn-doc.html Functions PLUS Series...
  • Page 227 SI-05C.BOOK Page 213 Monday, November 6, 2000 4:13 PM SiE-05C Outdoor Unit Refrigerant System Diagrams A. Compressor A combination of scroll compressor enabling operation at 30 - 106 Hz by inverter and constant speed type compressor for carrying out on/off control realizes capacity control in 19 steps, and carries out capacity control for individual and linear control of indoor units.
  • Page 228 SI-05C.BOOK Page 214 Monday, November 6, 2000 4:13 PM Outdoor Unit Refrigerant System Diagrams SiE-05C RN8K / RN10K (8.10HP) : http://splitoff.ru/tehn-doc.html Functions PLUS Series...
  • Page 229 SI-05C.BOOK Page 215 Monday, November 6, 2000 4:13 PM SiE-05C Outdoor Unit Refrigerant System Diagrams A. Compressor Controls capacity of 0 - 45 - 100% by combination of constant speed type compressors 1 and 2. Compressor is equipped with an oil discharge function for draining excess oil from the high pressure side. B.
  • Page 230 SI-05C.BOOK Page 216 Monday, November 6, 2000 4:13 PM Function of Thermistors and Pressure Sensors SiE-05C 2. Function of Thermistors and Pressure Sensors Function of Thermistors and Pressure Sensors RX(Y)8K / RX(Y)10K : http://splitoff.ru/tehn-doc.html Functions PLUS Series...
  • Page 231 SI-05C.BOOK Page 217 Monday, November 6, 2000 4:13 PM SiE-05C Function of Thermistors and Pressure Sensors Notes: 1. R2T and R6T are not fitted on cooling only model. 2. R1T used for “Low outdoor temperature control” too when cooling, on both heat-pump and cooling only models.
  • Page 232 SI-05C.BOOK Page 218 Monday, November 6, 2000 4:13 PM Function of Thermistors and Pressure Sensors SiE-05C RN(Y)8K / RN(Y)10K Notes: 1. R6T is not fitted on cooling only model. 2. R1T used for “Low outdoor temperature control” too when cooling, on both heat-pump and cooling only models.

  • Page 233: List Of Safety Devices And Functional Parts Setting Values

    SI-05C.BOOK Page 219 Monday, November 6, 2000 4:13 PM SiE-05C List of Safety Devices and Functional Parts Setting Values 3. List of Safety Devices and Functional Parts Setting Values Outdoor Unit Item Symbol Name Inverter Constant speed RX(Y) 8 K RX(Y)10K RN(Y) 8 K RN(Y)10K...

  • Page 234: Outline Of Control

    SI-05C.BOOK Page 220 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C 4. Outline of Control Starting Control 4.1.1 Soft Start Starts inverter type by low operation frequency in order to prevent refrigerant pump down when the compressor starts for both cooling and heating. INV outdoor unit Frequency at start 42Hz + OFF...
  • Page 235 SI-05C.BOOK Page 221 Monday, November 6, 2000 4:13 PM SiE-05C Outline of Control 4.1.2 Cooling Start Following Layup When starting for the first time after turning on the power, temporarily starts all outdoor units in order to discharge refrigerant from the low pressure line and accumulator when outdoor temperature is low. (k:kg/cm •...
  • Page 236 SI-05C.BOOK Page 222 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C 4.1.3 Heating Pump Down Start (For Heat Pump System) When starting within 3 hours after the compressor stops and pump down residual operation has been executed before the compressor was stopped, after completing soft start, compressor operating frequency is held to (60 Hz + OFF) ~ (96 Hz + OFF), the heat exchange pressure equalizing piping solenoid for standard types 1 and 2 is opened, and the refrigerant in the accumulator of the inverter type is discharged.
  • Page 237 SI-05C.BOOK Page 223 Monday, November 6, 2000 4:13 PM SiE-05C Outline of Control 4.1.5 Heating Start Following Layup (For Heat Pump System) Discharge refrigerant from outdoor unit or pressure equalizing piping when starting if the compressor has been stopped for 3 hours or more or when starting for the first time after turning on the power. Also discharges refrigerant when starting for the first time if the 6 or more hours has elapsed since turning on the power.

  • Page 238: Pressure Equalizing Control Before Starting

    SI-05C.BOOK Page 224 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C Pressure Equalizing Control Before Starting If differential pressure remains when the compressor starts, starting current increases and the unit may stop due to malfunction. In order to prevent this, the hot gas bypass valve is opened for a certain amount of time just before the compressor starts to equalize the pressure between high and low pressure.

  • Page 239: Oil Return Control

    SI-05C.BOOK Page 225 Monday, November 6, 2000 4:13 PM SiE-05C Outline of Control Oil Return Control In order to recover refrigeration oil, when total compressor operation capacity equals the reference values, the capacity is increased, all solenoid valves in the system are fully opened and the oil is recovered at each compressor.
  • Page 240 SI-05C.BOOK Page 226 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C <In Case of Cooling Only System> (k:kg/cm Operating contents Step 1: Collected oil is recovered. INV outdoor unit STD outdoor unit 1 STD outdoor unit 2 When cooling Compressor (106Hz + ON) (ON + ON)

  • Page 241: Defrost (For Heat Pump System)

    SI-05C.BOOK Page 227 Monday, November 6, 2000 4:13 PM SiE-05C Outline of Control Defrost (For Heat Pump System) Melts frost which might collect on outdoor heat exchangers during heating in order to recover their heat conveying performance. 4.4.1 Conditions for Executing Defrost (k:kg/cm²) At least 20 minutes have elapsed since completion of oil return or since compressor starts.

  • Page 242: Oil Equalization Control

    SI-05C.BOOK Page 228 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C Oil Equalization Control Because oil could collect in the outdoor units or between inverter outdoor unit and standard outdoor unit 1 outdoor units when only inverter outdoor unit is operating due to the compressor stopping during operation, oil that collects in standard outdoor unit 1 is returned to inverter outdoor unit.
  • Page 243 SI-05C.BOOK Page 229 Monday, November 6, 2000 4:13 PM SiE-05C Outline of Control <In Case of Cooling Oil is moved between inverter outdoor unit and standard outdoor unit 1 units by operating then Only System> simultaneously. When all three systems are operating, however, oil equalization is not executed because oil separation is not carried out.
  • Page 244 SI-05C.BOOK Page 230 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C 4.5.2 When Heating Oil level between both units is equalized in 2 steps: oil transfer from INV outdoor unit to STD outdoor unit 1, and STD outdoor unit 1 to INV outdoor unit. When all three systems are operating, however, oil equalization is not executed because oil separation is not carried out.
  • Page 245 SI-05C.BOOK Page 231 Monday, November 6, 2000 4:13 PM SiE-05C Outline of Control Operation conditions Completion of Step 1 2-system operation At least 10 continuous minutes has elapsed since the STD outdoor unit 1 compressor started. & Oil temp. of INV unit STD compressor > Te+10˚C &...

  • Page 246: Heating Pump Down Residual Operation (For Heat Pump System)

    SI-05C.BOOK Page 232 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C Heating Pump Down Residual Operation (For Heat Pump System) If refrigerant collects in the accumulator, the liquid refrigerant is sucked into the compressor when it starts. This dilutes the refrigeration oil in the compressor and lowers the oil’s ability to provide lubrication. Low pressure side refrigerant is therefore discharged when the compressor is stopped in order to prevent this from happening.

  • Page 247: Compressor Oil Temperature Protection Control

    SI-05C.BOOK Page 233 Monday, November 6, 2000 4:13 PM SiE-05C Outline of Control Compressor Oil Temperature Protection Control 1. Even if the compressor is running, if oil temperature of the inverter compressor lowers, the control crankcase heater (CH3) is energized and refrigerant is discharged from inside the compressor by evaporation.

  • Page 248: Low Pressure Protection Control Step

    SI-05C.BOOK Page 234 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C Low Pressure Protection Control Step The following types of control are executed if low pressure drops below the reference values in order to prevent temperature inside the compressor from rising abnormally due to drop of compressor suction pressure, and in order to maintain oil pressure for supplying oil to the inside of the compressors during operation.
  • Page 249 SI-05C.BOOK Page 235 Monday, November 6, 2000 4:13 PM SiE-05C Outline of Control Low Pressure Protection Control (In Case of Cooling Only System) When cooling During oil return / 3 times within Up to 2 times within defrost only During oil return only INV outdoor unit only 30 min 30 min...

  • Page 250: High Pressure Control Step

    SI-05C.BOOK Page 236 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C High Pressure Control Step In order to regulate high pressure rise, the compressor’s operation capacity is reduced if high pressure rises above the reference value. When heating, outdoor unit fans are set to (L + OFF), and indoor unit solenoid valves are fully opened.

  • Page 251: Discharge Temperature Protection Control

    SI-05C.BOOK Page 237 Monday, November 6, 2000 4:13 PM SiE-05C Outline of Control 4.10 Discharge Temperature Protection Control In order to prevent deterioration of refrigeration oil due to rising discharge temperature, temperature is kept from rising by reduction of compressor frequency or injection cooling at the following stages when temperature falls below the reference values.

  • Page 252: Cooling Overload Control

    SI-05C.BOOK Page 238 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C 4.11 Cooling Overload Control Controls electronic expansion valve aperture of indoor units to prevent low pressure from rising abnormally if many indoor units are operating. (k:kg/cm LP > 7k LP >...

  • Page 253: Low Outdoor Temperature Control When Cooling

    SI-05C.BOOK Page 239 Monday, November 6, 2000 4:13 PM SiE-05C Outline of Control 4.14 Low Outdoor Temperature Control When Cooling Controls the fan in order to prevent high-low pressure differential from dropping due to high pressure reduction if cooling when outdoor temperature is low. (kg/cm Normal operation mode HP >...

  • Page 254: Low Noise And Demand Control

    SI-05C.BOOK Page 240 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C 4.15 Low Noise and Demand Control 4.15.1 Low Noise Control When the outdoor unit operating sound can cause a noise problem during the night, an external contact input (low-noise input) can be used to operate the outdoor fan and compressor at low speed.
  • Page 255 SI-05C.BOOK Page 241 Monday, November 6, 2000 4:13 PM SiE-05C Outline of Control 4.16 Compressor Capacity Control 4.16.1 2 Outdoor Units Conbination RX(Y)16K / RX(Y)18K / INV outdoor unit STD outdoor unit RX(Y)20K 30Hz + OFF OFF + OFF 34Hz + OFF 38Hz + OFF 42Hz + OFF 48Hz + OFF...
  • Page 256 SI-05C.BOOK Page 242 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C 4.16.2 3 Outdoor Units Combination RX(Y)24K / RX(Y)26K / INV outdoor unit STD outdoor unit 1 STD outdoor unit 2 RX(Y)28K / 30Hz + OFF OFF + OFF OFF + OFF RX(Y)30K 34Hz + OFF...

  • Page 257: Backup Operation

    SI-05C.BOOK Page 243 Monday, November 6, 2000 4:13 PM SiE-05C Outline of Control 4.17 Backup Operation If a STD outdoor unit is faulty, if you restart with the remote controller after it stops due to malfunction, the system starts operating again without the faulty STD outdoor unit. Backup operation can be used up to a total of 3 hours of indoor unit operation.

  • Page 258: Emergency Operation

    SI-05C.BOOK Page 244 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C 4.18 Emergency Operation 4.18.1 Emergency Operation 1 If INV outdoor unit cannot operate, you can operate with STD outdoor units only if the outdoor temperature doesn’t exceed the reference temperature. Emergency operation is executed by setting mode 2 to EMG (emergency operation).
  • Page 259 SI-05C.BOOK Page 245 Monday, November 6, 2000 4:13 PM SiE-05C Outline of Control When Cooling (In Case of Cooling Only System) Emergency operation setting Control IN conditions & Outdoor temperature detected to be above 20˚C for STD outdoor unit 1 Step 1 : Operates No.
  • Page 260 SI-05C.BOOK Page 246 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C When Heating When Heating Aperture of solenoid valves is fixed Emergency operation setting for indoor units in this mode. Control IN conditions & Outdoor temperature detected to be above -5˚C for STD outdoor unit 1 Step 1 : Operates No.
  • Page 261 SI-05C.BOOK Page 247 Monday, November 6, 2000 4:13 PM SiE-05C Outline of Control 4.18.2 Emergency Operation 2 Setting forced backup operation by setting mode 2 enables emergency operation with INV outdoor unit and other STD outdoor unit if STD outdoor unit malfunction. Operation of faulty STD outdoor unit Compressor Outdoor unit fan...

  • Page 262: Pump Down Operation

    SI-05C.BOOK Page 248 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C 4.19 Pump Down Operation When an outdoor unit is faulty, by fully closing both liquid and pressure equalizing valves and switching to the service mode, you can conduct pump down operation (max. 1 hour) which purges refrigerant from the faulty unit.
  • Page 263 SI-05C.BOOK Page 249 Monday, November 6, 2000 4:13 PM SiE-05C Outline of Control 4.19.2 In Case of Cooling Only System Pump Down First fully close the liquid side and pressure equalizing side stop valves of the INV outdoor unit. The Operation of INV execute low pressure control by setting indoor unit fan to L or off in accordance with the outdoor Outdoor Unit...
  • Page 264 SI-05C.BOOK Page 250 Monday, November 6, 2000 4:13 PM Outline of Control SiE-05C : http://splitoff.ru/tehn-doc.html Functions PLUS Series...
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  • Page 285: Plus Series

    SI-05C.BOOK Page 271 Monday, November 6, 2000 4:13 PM SiE-05C Part 7 Test Operation PLUS Series 1. Test Operation ..................272 1.1 Procedure and Outline................. 272 1.2 Operation When Power is Turned On ..........274 1.3 Outdoor Unit PC Board Ass’y .............. 275 1.4 Switch Settings According to Number of Outdoor Units ......
  • Page 286 SI-05C.BOOK Page 272 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1. Test Operation Procedure and Outline The operation sequence is the most important thing for test operation. Follow the following outline. 1.1.1 Check The Following Before Turning Power On. Mistaken power wiring, loose screws Mistaken control transmission wiring, loose screws Piping size, presence of thermal insulation...

  • Page 287: Check Operation

    SI-05C.BOOK Page 273 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.1.3 Check Operation. Carry out wiring check operation, For wiring check operation procedure, see wiring check and check wiring and piping connections. operation. Set the operation mode to ”cool.“ Even if it's the heating season, set to cooling mode in order to prevent liquid from backing up.

  • Page 288: Operation When Power Is Turned On

    SI-05C.BOOK Page 274 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Operation When Power is Turned On 1.2.1 When Turning On Power for First Time The unit cannot be run for up to 12 minutes to automatically set the master power and address (indoor- outdoor address, etc.).
  • Page 289 SI-05C.BOOK Page 275 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Outdoor Unit PC Board Ass’y Function Unit and Outdoor Unit (Inverter Type) : http://splitoff.ru/tehn-doc.html Test Operation PLUS Series...
  • Page 290 SI-05C.BOOK Page 276 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Transmission terminal Indoor unit, Cool/Heat selector Outdoor - Outdoor Note: The R unit is not provided with the cool/heat select remote control terminals. Transmission terminal Function unit - Each outdoor unit Series connection Function setting mode switch and LED...

  • Page 291: Switch Settings According To Number Of Outdoor Units

    SI-05C.BOOK Page 277 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Switch Settings According to Number of Outdoor Units The switches of the function unit and constant speed type outdoor unit PC boards must be set to match the number of outdoor units.
  • Page 292 SI-05C.BOOK Page 278 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Setting Modes There are the following three setting modes. Setting mode 1 (H1P off) Used to select the cool/heat setting, low-noise run and sequential start. Setting mode 2 (H1P on) Used to modify the running status and to program addresses, etc.
  • Page 293 SI-05C.BOOK Page 279 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Mode Changing Procedure : Use the SET button to make settings. Hold down the MODE 1 Setting mode 1 Press the MODE button. button for 5 seconds. (initial status) Press the 3 Monitor mode 2 Setting mode 2...
  • Page 294 SI-05C.BOOK Page 280 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1.5.1 Setting Mode 1 Cool/heat selection setting If carried out from the indoor unit remote controller: If carried out from the cool/heat selector: (SS1) IN/D OUT/D IN/D OUT/D UNIT UNIT UNIT...
  • Page 295 SI-05C.BOOK Page 281 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.5.2 Setting Mode 2 To switch from setting mode 1 (normal) to setting mode 2, you must push and hold the next page button (BS1) for 5 seconds. (You cannot enter setting mode 2 while setting mode 1 is set.) Setting Procedure 1.
  • Page 296 SI-05C.BOOK Page 282 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Setting Items LED display LED display Setting item Description H1P H2P H3P H4P H5P H6P H7P H1P H2P H3P H4P H5P H6P H7P Emergency operation Emergency (Emergency operation when (Operates by constant speed outdoor unit only.) operation 1)
  • Page 297 SI-05C.BOOK Page 283 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation LED display LED display LED display No Setting item Description H1P H2P H3P H4P H5P H6P H7P H1P H2P H3P H4P H5P H6P H7P H1P H2P H3P H4P H5P H6P H7P Emergency operation Emergency operation (Emergency...
  • Page 298 SI-05C.BOOK Page 284 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1.5.3 Monitor Mode C/H SELECT SEQ. MODE TEST L.N.O.P. START MASTER SLAVE To enter the monitor mode, push the MODE button when in setting mode 1. MODE The lower 4 digits indicate the setting in each of the frames below.
  • Page 299 SI-05C.BOOK Page 285 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation Monitor Mode Data Mode No. Data Display Size (binary number) method G G G G G No 1 Cool/heat group address 0 ~ 31 Lower 6 digits G G G G No 2 Low noise / demand address 0 ~ 31...
  • Page 300 Part7.fm Page 286 Wednesday, January 31, 2001 9:06 AM Test Operation SiE-05C Sequential Start Separates path timing of commercial power supply compressors by 3 seconds each in order to prevent overcurrent when more than 1 compressor are to be started at the same time. Improved wiring system enables sequential start of up to 5 function units and 10 outdoor units.
  • Page 301 SI-05C.BOOK Page 287 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation External Control Adaptor for Outdoor Units (DTA104A61 · DTA104A62) Objective/Use By adding an adaptor for outside control of outdoor units to BS units or indoor units connected in a DIII- NET, you can simultaneously select cool/heat mode for several outdoor units in the system, and it enables demand control and low noise control.
  • Page 302 SI-05C.BOOK Page 288 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Settings of Switches on The "BOTH" is selected when PC Board Adaptor demand control is carried out l SS1 C / H BOTH C / H at the same time. l SS2 l DS1·2 Set the same address as the cool/heat...
  • Page 303 SI-05C.BOOK Page 289 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation [Common] Address Setting (DS1 / DS2) Decide the address for each control unit from 0~9 and set. Control Input Specifications Input signal Constant contact a Input current is approx. 12 - 24 VDC, 10 mA per contact. Use a micro-current contact for the relay contact.

  • Page 304: Cool/Heat Mode Switching (*Except For Cooling Only System)

    SI-05C.BOOK Page 290 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Cool/Heat Mode Switching (∗Except for Cooling Only System) The VRV PLUS Series cool/heat switching system offers the following 4 cool/heat modes. 1. Set cool/heat separately for each outdoor system by indoor unit remote controller. 2.
  • Page 305 SI-05C.BOOK Page 291 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.8.2 Set Cool/Heat Separately for Each Outdoor System by C/H SELECTOR. It doesn’t matter whether or not there is outdoor - outdoor unit wiring. Set function unit PC board SS1 to “outdoor”. Set cool/heat switching to “individual”...
  • Page 306 SI-05C.BOOK Page 292 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1.8.3 Setting of Cool/Heat by Outdoor Unit System Group in Accordance with Group Master Outdoor Unit by Indoor Unit Remote Controller Install the External control adaptor for outdoor unit on either the outdoor - outdoor, indoor - outdoor, or indoor - indoor transmission line.
  • Page 307 SI-05C.BOOK Page 293 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.8.4 Setting of Cool/Heat by Outdoor Unit System Group in Accordance with Group Master Outdoor Unit by COOL/HEAT Selector Remote Controller Install the External control adaptor for outdoor unit on either the outdoor - outdoor, indoor - outdoor, or indoor - indoor transmission line.

  • Page 308: Low Noise Operation

    SI-05C.BOOK Page 294 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C Low Noise Operation By connecting the external contact input to the low noise input of the outdoor unit external control adaptor for outdoor unit (optional), you can save power and lower operating noise by 2 -3 dB. Instructions for 1.
  • Page 309 SI-05C.BOOK Page 295 Monday, November 6, 2000 4:13 PM SiE-05C Test Operation 1.10 Demand Control By connecting the external contact input to the demand input of the outdoor unit external control adaptor (option), the compressor operating conditions can be controlled for reduced power consumption. Demand 1 Approximately 70% level Demand 2 Approximately 40% level Demand 3 Forced thermostat OFF...
  • Page 310 SI-05C.BOOK Page 296 Monday, November 6, 2000 4:13 PM Test Operation SiE-05C 1.11 Wiring Check Operation If within 12 hours of stopping cooling or heating, be sure to run all indoor units in the system you want to check in the fan mode for about 60 minutes in order to prevent mis-detection. Operation Method 1.

  • Page 311: Part 8 Troubleshooting Plus Series

    SI-05C.BOOK Page 297 Monday, November 6, 2000 4:13 PM SiE-05C Part 8 Troubleshooting PLUS Series 1. Troubleshooting for VRV PLUS Series ..........299 1.1 Troubleshooting for VRV PLUS Series..........299 2. Diagnosis by Malfunction Code............300 2.1 Diagnosis by Malfunction Code ............300 3.
  • Page 312 SI-05C.BOOK Page 298 Monday, November 6, 2000 4:13 PM SiE-05C 5.8 Open Phase..................329 5.9 Defect of Radiator Fin Temperature Sensor........330 : http://splitoff.ru/tehn-doc.html Troubleshooting PLUS Series...

  • Page 313: Troubleshooting For Vrv Plus Series

    SI-05C.BOOK Page 299 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting for VRV PLUS Series 1. Troubleshooting for VRV PLUS Series Troubleshooting for VRV PLUS Series You can troubleshoot by the malfunction code displayed on the indoor unit’s remote controller same as other series.
  • Page 314 SI-05C.BOOK Page 300 Monday, November 6, 2000 4:13 PM Diagnosis by Malfunction Code SiE-05C 2. Diagnosis by Malfunction Code Diagnosis by Malfunction Code Malfunction Code Malfunction Contents Fan Operation Page Outdoor Unit: Actuation of Safety Device 301, 302 Outdoor Unit: PC Board Defect Outdoor Unit: Actuation of High Pressure Switch Outdoor Unit: Actuation of Low Pressure Switch Outdoor Unit: Malfunction of Moving Part of Electronic Expansion...
  • Page 315 SI-05C.BOOK Page 301 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3. Troubleshooting Outdoor Unit: Actuation of Safety Device E E E E 0 0 0 0 Remote Controller Display Applicable Models Inverter type unit’s HWL is lit. Supposed Causes Tripped outdoor unit safety device (INV outdoor unit / constant speed outdoor unit) Faulty outdoor unit PC board (INV outdoor unit / constant speed outdoor unit) Instantaneous power failure...
  • Page 316 SI-05C.BOOK Page 302 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C Outdoor Unit: Actuation of Safety Device E E E E 0 0 0 0 Remote Controller Display Applicable Models HWL of constant speed outdoor Unit is lit Supposed Causes Tripped outdoor unit safety device (INV outdoor unit / constant speed outdoor unit) Faulty outdoor unit PC board (INV outdoor unit / constant speed outdoor unit) Instantaneous power failure...

  • Page 317: Outdoor Unit: Pc Board Defect

    SI-05C.BOOK Page 303 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting Outdoor Unit: PC Board Defect E E E E 1 1 1 1 Remote Controller Display Supposed Causes Faulty outdoor unit PC board (FUNCTION UNIT, INVERTER OUTDOOR UNIT, CONSTANT SPEED OUTDOOR UNIT) Trobleshooting A.Change the outdoor unit PC board of the inverter type or constant speed type outdoor unit for which the...
  • Page 318 SI-05C.BOOK Page 304 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C Outdoor Unit: Actuation of Low Pressure Switch E E E E 4 4 4 4 Remote Controller Display Supposed Causes Abnormal drop of low pressure (0 kg/cm² [0 MPa]) Defect of low pressure sensor Defect of outdoor unit PC board Trobleshooting...

  • Page 319: Electronic Expansion Valve (Y1E)

    SI-05C.BOOK Page 305 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting Outdoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (Y1E) E E E E 9 9 9 9 Remote Controller Display Supposed Causes Defect of moving part of electronic expansion valve Defect of outdoor unit PC board (A1P) Defect of connecting cable Trobleshooting...

  • Page 320: Outdoor Unit: Abnormal Discharge Pipe Temperture

    SI-05C.BOOK Page 306 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C Outdoor Unit: Abnormal Discharge Pipe Temperture F F F F 3 3 3 3 Remote Controller Display Supposed Causes Abnormal discharge pipe temperature Defect of discharge pipe thermistor (5K: R3T 8K, 10K: R3-1T, R3-2T) Defect of outdoor unit PC board Discharge pipe thermistor wrong connection Liquid injection solenoid valve wrong connection...

  • Page 321: Outdoor Unit: Defect Of Pressure Switch For High Pressure Control

    SI-05C.BOOK Page 307 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting Outdoor Unit: Defect of Pressure Switch for High Pressure Control H H H H 3 3 3 3 Remote Controller Display Supposed Causes Defect of pressure swich for high pressure control Defect of outdoor unit PC board Disconnected or faulty wiring connector Trobleshooting...
  • Page 322 SI-05C.BOOK Page 308 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.10 Outdoor Unit: Malfunction of Thermistor for Outdoor Air (R1T) H H H H 9 9 9 9 Remote Controller Display Supposed Causes Defect of thermistor (R1T) for outdoor unit outdoor air intake Defect of outdoor unit PC board Troubleshooting Troubleshoot the outdoor unit for which the HWL is lit in accordance with the following flow chart.
  • Page 323 SI-05C.BOOK Page 309 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3.12 Outdoor Unit: Malfunction of Thermistor (R4T) for Suction Pipe J J J J 5 5 5 5 Remote Controller Display Supposed Causes Defect of thermistor (R4T) for outdoor unit suction pipe Defect of outdoor unit PC board Troubleshooting Troubleshoot the outdoor unit for which the HWL is lit in accordance with the following flow chart.

  • Page 324: Outdoor Unit: Malfunction Of Thermistor (R6T) For Header

    SI-05C.BOOK Page 310 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.14 Outdoor Unit: Malfunction of Thermistor (R6T) for Header J J J J 7 7 7 7 Remote Controller Display Supposed Causes Defect of thermistor (R6T) for outdoor unit header Defect of outdoor unit PC board Troubleshooting Troubleshoot the outdoor unit for which the HWL is lit in accordance with the following flow chart.
  • Page 325 SI-05C.BOOK Page 311 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3.15 Outdoor Unit: Malfunction of Discharge Pipe Pressure Sensor J J J J A A A A Remote Controller Display Supposed Causes Defect of high pressure sensor system Connection of low pressure sensor with wrong connection. Defect of outdoor unit PC board.
  • Page 326 SI-05C.BOOK Page 312 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.16 Outdoor Unit: Malfunction of Suction Pipe Pressure Sensor J J J J C C C C Remote Controller Display Supposed Causes Defect of low pressure sensor system Connection of high pressure sensor with wrong connection. Defect of outdoor unit PC board.
  • Page 327 Part8.fm Page 313 Wednesday, January 31, 2001 9:08 AM SiE-05C Troubleshooting 3.17 Outdoor Unit: Malfunction of Oil Temperature Thermistor (R5T) J J J J H H H H Remote Controller Display Supposed Causes Defect of oil temperature thermistor (R5T) Defect of outdoor unit PC board (A1P) Troubleshooting Troubleshoot the outdoor unit for which the HWL is lit in accordance with the following flow chart.
  • Page 328 SI-05C.BOOK Page 314 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.18 Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Failure U U U U 0 0 0 0 Remote Controller Display Supposed Causes Out of gas or refrigerant system clogging (incorrect piping) Defect of thermistor (R2T, R4T) of INV outdoor unit Defect of low pressure sensor of INV outdoor unit Defect of outdoor unit PC board of INV outdoor unit...
  • Page 329 SI-05C.BOOK Page 315 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3.19 Negative Phase, Open Phase U U U U 1 1 1 1 Remote Controller Display Supposed Causes Power supply negative phase Power supply open phase Defect of outdoor PC board A1P Troubleshooting There is an open phase...
  • Page 330 SI-05C.BOOK Page 316 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.20 Malfunction of Transmission Between Indoor Units U U U U 4 4 4 4 Remote Controller Display Supposed Causes Short circuited indoor or outdoor unit transmission wiring (F1, F2) or wiring mistake Function unit power supply OFF Incorrect system address Faulty function unit PC board...
  • Page 331 SI-05C.BOOK Page 317 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3.21 Malfunction of Transmission Between Outdoor Units U U U U 7 7 7 7 Remote Controller Display Supposed Causes Incorrect outdoor unit No. setting for constant speed type outdoor unit Incorrect outdoor - outdoor unit transmission wiring connection (Q1Q2) Incorrect function unit - outdoor unit external control adaptor transmission wiring connection Incorrect C/H setting...
  • Page 332 SI-05C.BOOK Page 318 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.22 Excessive Number of Indoor Units U U U U A A A A Remote Controller Display Supposed Causes The number of connectable indoor units has been exceeded. Function unit PC board Troubleshooting total number of...
  • Page 333 SI-05C.BOOK Page 319 Monday, November 6, 2000 4:13 PM SiE-05C Troubleshooting 3.23 Refrigerant System not set, Incompatible Wiring/Piping U U U U F F F F Remote Controller Display Supposed Causes Improper connection of transmission wiring between indoor unit and outdoor unit, or outdoor and outdoor unit Failure to execute wiring check operation Defect of indoor unit PC board...
  • Page 334 SI-05C.BOOK Page 320 Monday, November 6, 2000 4:13 PM Troubleshooting SiE-05C 3.24 Malfunction of System, Refrigerant System Address Undefined U U U U H H H H Remote Controller Display Supposed Causes Improper connection of transmission wiring between indoor unit and outdoor unit, or outdoor and outdoor unit Defect of indoor unit PC board Defect of function unit PC board...
  • Page 335 SI-05C.BOOK Page 321 Monday, November 6, 2000 4:13 PM SiE-05C Failure Diagnosis for Inverter System 4. Failure Diagnosis for Inverter System Points of Diagnosis The main causes for each malfunction code are given in the table below. (For details refer to the next page and those following.
  • Page 336 SI-05C.BOOK Page 322 Monday, November 6, 2000 4:13 PM How to Use The Monitor Switch On The Inverter PC Board SiE-05C 5. How to Use The Monitor Switch On The Inverter PC Board How to Use The Monitor Switch On The Inverter PC Board The monitor lets you know the contents of the latest stop due to malfunction by LED display on the inverter PC Board.

  • Page 337: Actuation Of Fin Thermal

    SI-05C.BOOK Page 323 Monday, November 6, 2000 4:13 PM SiE-05C How to Use The Monitor Switch On The Inverter PC Board Actuation of Fin Thermal L L L L 4 4 4 4 Remote Controller Display Supposed Causes Actuation of fin thermal (Actuates at min. 90˚C and resets at max. 80˚C) Defect of inverter PC board Defect of fin thermistor Troubleshooting...

  • Page 338: Defect Of Compressor Coil

    SI-05C.BOOK Page 324 Monday, November 6, 2000 4:13 PM How to Use The Monitor Switch On The Inverter PC Board SiE-05C Defect of Compressor Coil L L L L 5 5 5 5 Remote Controller Display Supposed Causes Defect of compressor coil (disconnected, defective insulation) Compressor start-up malfunction (mechanical lock) Defect of inverter unit Troubleshooting...

  • Page 339: Compressor Overload

    SI-05C.BOOK Page 325 Monday, November 6, 2000 4:13 PM SiE-05C How to Use The Monitor Switch On The Inverter PC Board Compressor Overload L L L L 8 8 8 8 Remote Controller Display Supposed Causes Compressor overload Compressor coil disconnected Defect of inverter unit Troubleshooting Output current check...

  • Page 340: Defect Of Compressor

    SI-05C.BOOK Page 326 Monday, November 6, 2000 4:13 PM How to Use The Monitor Switch On The Inverter PC Board SiE-05C Defect of Compressor L L L L 9 9 9 9 Remote Controller Display Supposed Causes Defect of compressor Pressure differential start Defect of inverter unit Troubleshooting...

  • Page 341: Malfunction Of Connection Between The Inverter Unit And Outdoor Unit Pc Board

    SI-05C.BOOK Page 327 Monday, November 6, 2000 4:13 PM SiE-05C How to Use The Monitor Switch On The Inverter PC Board Malfunction of Connection Between The Inverter Unit and Outdoor Unit PC Board L L L L C C C C Remote Controller Display Supposed Causes...

  • Page 342: Power Supply Insufficient

    SI-05C.BOOK Page 328 Monday, November 6, 2000 4:13 PM How to Use The Monitor Switch On The Inverter PC Board SiE-05C Power Supply Insufficient U U U U 2 2 2 2 Remote Controller Display Supposed Causes Power supply insufficient Instantaneous failure Open phase Defect of inverter unit...

  • Page 343: Open Phase

    Give the user a copy of "notification of inspection results"and leave it up there is a "power supply imbalance" to him to improve the imbalance. for which DAIKIN is not responsible. Contact QC div. Be sure to send a product report of the imbalance.

  • Page 344: Defect Of Radiator Fin Temperature Sensor

    SI-05C.BOOK Page 330 Monday, November 6, 2000 4:13 PM How to Use The Monitor Switch On The Inverter PC Board SiE-05C Defect of Radiator Fin Temperature Sensor P P P P 4 4 4 4 Remote Controller Display Supposed Causes Defect of radiator fin temperature sensor Defect of inverter unit Troubleshooting...

  • Page 345: Part 9 Special Service Mode Plus Series

    SI-05C.BOOK Page 331 Monday, November 6, 2000 4:13 PM SiE-05C Part 9 Special Service Mode PLUS Series 1. Backup and Emergency Operation .............332 1.1 Backup and Emergency Operation............332 2. Pump Down Operation when Replacing The Compressor ....336 2.1 Pump Down Operation when Replacing The Compressor....336 : http://splitoff.ru/tehn-doc.html Special Service Mode PLUS Series...

  • Page 346: Backup And Emergency Operation

    SI-05C.BOOK Page 332 Monday, November 6, 2000 4:13 PM Backup and Emergency Operation SiE-05C 1. Backup and Emergency Operation Backup and Emergency Operation The PLUS Series is equipped with a function whereby, if one outdoor unit becomes unable to operate, the system continues to operate without the faulty unit. You should note that this is accomplished by other methods for other VRV Series.
  • Page 347 SI-05C.BOOK Page 333 Monday, November 6, 2000 4:13 PM SiE-05C Backup and Emergency Operation Malfunctions for which Backup Malfunction Malfunction Code PC Board Type Operation can or EB9446~9A EB9446~9B (Applies to items manufactured from June on.) cannot Be Tripped Safety Device Cannot Operate Can Operate Executed...
  • Page 348 SI-05C.BOOK Page 334 Monday, November 6, 2000 4:13 PM Backup and Emergency Operation SiE-05C 1.1.2 Emergency Operation: Set in setting mode 2. Operates the system when an outdoor unit malfunctions. 1. When an inverter type outdoor unit malfunctions (with exception of 13 HP) When an inverter type outdoor unit malfunctions, you can continue operation using constant speed type outdoor units only.
  • Page 349 SI-05C.BOOK Page 335 Monday, November 6, 2000 4:13 PM SiE-05C Backup and Emergency Operation Malfunctions for which emergency operation can or cannot be executed when an inverter type outdoor unit malfunctions Malfunction Malfunction Code Emergency Operation Tripped Safety Device Can Operate Faulty PC Board Cannot Operate Tripped HPS...

  • Page 350: Pump Down Operation When Replacing The Compressor

    Part9.fm Page 336 Wednesday, January 31, 2001 9:10 AM Pump Down Operation when Replacing The Compressor SiE-05C 2. Pump Down Operation when Replacing The Compressor Pump Down Operation when Replacing The Compressor Pump down operation is when refrigerant is removed from an outdoor unit if it malfunctions. In this case, outdoor units operate in the cooling mode and indoor units are automatically turned on by thermostat.
  • Page 351 SI-05C.BOOK Page 337 Monday, November 6, 2000 4:13 PM SiE-05C Pump Down Operation when Replacing The Compressor 2.1.2 Setting Mode 2 Pump Down Procedure Normal mode MODE MODE button (BS1) SET button (BS2) MODE Push and hold the Mode MODE button (BS1) for 5 seconds.
  • Page 352 SI-05C.BOOK Page 338 Monday, November 6, 2000 4:13 PM Pump Down Operation when Replacing The Compressor SiE-05C : http://splitoff.ru/tehn-doc.html Special Service Mode PLUS Series...
  • Page 353 SI-05C.BOOK Page 339 Monday, November 6, 2000 4:13 PM SiE-05C Part 10 Appendix Inverter K Series PLUS Series 1. Wiring Diagrams - Outdoor Unit ............341 1.1 Inverter K Series - cooling only............341 1.2 Inverter K Series - Heat Pump............. 343 1.3 Inverter Plus series................
  • Page 354 SI-05C.BOOK Page 340 Monday, November 6, 2000 4:13 PM SiE-05C : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 355: Wiring Diagrams - Outdoor Unit

    SI-05C.BOOK Page 341 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Diagrams - Outdoor Unit 1. Wiring Diagrams - Outdoor Unit Inverter K Series - cooling only RSX5KA7W1 : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...
  • Page 356 SI-05C.BOOK Page 342 Monday, November 6, 2000 4:13 PM Wiring Diagrams - Outdoor Unit SiE-05C RSX8,10KA7W1 : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 357: Inverter K Series - Heat Pump

    SI-05C.BOOK Page 343 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Diagrams - Outdoor Unit Inverter K Series - Heat Pump RSXY5KA7W1 : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...
  • Page 358 SI-05C.BOOK Page 344 Monday, November 6, 2000 4:13 PM Wiring Diagrams - Outdoor Unit SiE-05C RSXY8,10KA7W1 : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 359: Inverter Plus Series

    SI-05C.BOOK Page 345 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Diagrams - Outdoor Unit Inverter Plus series RXY8,10K7W1 : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...
  • Page 360 SI-05C.BOOK Page 346 Monday, November 6, 2000 4:13 PM Wiring Diagrams - Outdoor Unit SiE-05C RNY8,10K7W1 : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...
  • Page 361 SI-05C.BOOK Page 347 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Diagrams - Outdoor Unit BL2KV1 : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...
  • Page 362 SI-05C.BOOK Page 348 Monday, November 6, 2000 4:13 PM Wiring Diagrams - Outdoor Unit SiE-05C BL3KV1 : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...
  • Page 363 SI-05C.BOOK Page 349 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Diagrams - Outdoor Unit BR2KV1 : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...
  • Page 364 SI-05C.BOOK Page 350 Monday, November 6, 2000 4:13 PM Wiring Diagrams - Outdoor Unit SiE-05C BR3KV1 : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 365: Wiring Diagrams - Indoor Unit

    SI-05C.BOOK Page 351 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Diagrams - Indoor Unit 2. Wiring Diagrams - Indoor Unit 2-way blow ceiling mounted cassette FXYC20,25,32,63K7V1 : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...
  • Page 366 SI-05C.BOOK Page 352 Monday, November 6, 2000 4:13 PM Wiring Diagrams - Indoor Unit SiE-05C FXYC40,50,80,125K7V1 2TW21416-1 : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 367: Way Blow Ceiling Mounted Cassette - Fxyf

    SI-05C.BOOK Page 353 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Diagrams - Indoor Unit 4-way blow ceiling mounted cassette FXYF20,25,32,40,50,63,80,100,125K7V1 2TW21266-1B : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 368: Ceiling Mounted Corner Cassette - Fxyk

    SI-05C.BOOK Page 354 Monday, November 6, 2000 4:13 PM Wiring Diagrams - Indoor Unit SiE-05C ceiling mounted corner cassette FXYK25,32,40,63KJV1 DU227-544C : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 369: Concealed Ceiling Unit - Fxys

    SI-05C.BOOK Page 355 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Diagrams - Indoor Unit concealed ceiling unit FXYS20,25,32,40,50,63KA7V1 2TW22196-1A : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...
  • Page 370 SI-05C.BOOK Page 356 Monday, November 6, 2000 4:13 PM Wiring Diagrams - Indoor Unit SiE-05C FXYS80,100,125KA7V1 2TW22256-1A : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 371: Concealed Ceiling Unit (Small) - Fxyb

    SI-05C.BOOK Page 357 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Diagrams - Indoor Unit concealed ceiling unit (small) FXYB20,25K7V1 2TW21466-1 : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 372: Concealed Ceiling Unit (Large) - Fxym

    SI-05C.BOOK Page 358 Monday, November 6, 2000 4:13 PM Wiring Diagrams - Indoor Unit SiE-05C concealed ceiling unit (large) FXYM40,50,63,80,100,125KJV1 DU229-5140C : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...
  • Page 373 SI-05C.BOOK Page 359 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Diagrams - Indoor Unit FXYM200,250KJVE 3D011012B : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 374: Ceiling Suspended Unit - Fxyh

    SI-05C.BOOK Page 360 Monday, November 6, 2000 4:13 PM Wiring Diagrams - Indoor Unit SiE-05C ceiling suspended unit FXYH32,63,100K7V1 2TW21356-1 : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 375: Wall Mounted Unit - Fxya

    SI-05C.BOOK Page 361 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Diagrams - Indoor Unit wall mounted unit FXYA25,32,40,50,63KJV1 DU221-561F : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 376: Floor Standing Unit - Fxyl

    SI-05C.BOOK Page 362 Monday, November 6, 2000 4:13 PM Wiring Diagrams - Indoor Unit SiE-05C floor standing unit FXYL20,25,40,50,63KJVE 3D003923E : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 377: Concealed Floor Standing Unit - Fxylm

    SI-05C.BOOK Page 363 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Diagrams - Indoor Unit 2.10 concealed floor standing unit FXYLM20,25,40,50,63KJVE 3D003923E : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 378: Characteristics

    SI-05C.BOOK Page 364 Monday, November 6, 2000 4:13 PM Characteristics SiE-05C 3. Characteristics Thermistor Resistance / Temperature Characteristics Indoor unit For air suction For liquid pipe For gas pipe For outdoor air Outdoor unit For coil For suction pipe For oil For header (kΩ) T˚C...
  • Page 379 SI-05C.BOOK Page 365 Monday, November 6, 2000 4:13 PM SiE-05C Characteristics Outdoor Thermistors for Discharge Pipe (R3T, R3-1T, R3-2T) (kΩ)) T˚C T˚C T˚C 640.44 624.65 72.32 70.96 13.35 13.15 609.31 594.43 69.64 68.34 12.95 12.76 579.96 565.78 67.06 65.82 12.57 12.38 552.00 538.63...

  • Page 380: Pressure Sensor Voltage Output Detected Pressure Characteristics

    SI-05C.BOOK Page 366 Monday, November 6, 2000 4:13 PM Characteristics SiE-05C Pressure Sensor Voltage Output / Detected Pressure Characteristics : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 381: Method Of Replacing The Inverter's Power Transistors And Diode Modules

    SI-05C.BOOK Page 367 Monday, November 6, 2000 4:13 PM SiE-05C Method of Replacing The Inverter’s Power Transistors and Diode Modules 4. Method of Replacing The Inverter’s Power Transistors and Diode Modules Method of Replacing The Inverter’s Power Transistors and Diode Modules [Decision according to continuity check by analog tester] Before checking, disconnect the electric wiring connected to the power transistor and diode module.
  • Page 382 SI-05C.BOOK Page 368 Monday, November 6, 2000 4:13 PM Method of Replacing The Inverter’s Power Transistors and Diode Modules SiE-05C 4.1.2 Diode Module (Decision) If other than given above, the diode module is defective and must be replaced. If using a digital tester, ∞ and continuity may be reversed. Note: : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 383: Wiring Adaptor

    SI-05C.BOOK Page 369 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Adaptor 5. Wiring Adaptor Wiring Adaptor for Electrical Appendices (KRP2A61·62) Various remote control (remote control mode, remote temperature setting, display of operation, display of malfunction) can be carried out by mounting this optional accessory in the indoor unit. Up to 64 groups of indoor units can be monitored and controlled all at once by one adaptor PC board.
  • Page 384 SI-05C.BOOK Page 370 Monday, November 6, 2000 4:13 PM Wiring Adaptor SiE-05C 5.1.2 Wiring Operation Signal Combined use of constant contact (a) and instantaneous contact (a) Combined use of voltage 12~24 VDC, no valtage Control Mode Remote control mode selector switch (Control contents differ according to input mode. See the following page for details.) Display Signal Display of malfunction signal (no voltage contact [a])
  • Page 385 SI-05C.BOOK Page 371 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Adaptor 5.1.3 Wiring to Outside (Host Computer Monitor Panel, Etc.) Input for Remote Wire according to the following procedure depending on whether input is “voltage input” or “no voltage Control (Control input.”...
  • Page 386 SI-05C.BOOK Page 372 Monday, November 6, 2000 4:13 PM Wiring Adaptor SiE-05C ∗ If demand controlling using input B: Position Function of input A Function of input B Remote controller inhibit Forced thermostat OFF command (Same as position 5) Forced temperature shift Individual (Same as Forced thermostat OFF command position 6)
  • Page 387 SI-05C.BOOK Page 373 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Adaptor Temperature For wiring specifications, we recommend a min. 1.25 mm² sheathed vinyl cord, length within 70 m. Setting Input The relationship of preset temperature and resistance is as given in the table below. Preset temperature (˚C)
  • Page 388 SI-05C.BOOK Page 374 Monday, November 6, 2000 4:13 PM Wiring Adaptor SiE-05C Wiring Adaptor for Group Electrical Appendices (KRP4A51 / KRP4A52 / KRP4A53) The wiring adaptor for group electrical appendices cannot be used in combination with a central remote controller, unified ON/OFF controller, schedule timer, data station, etc. <Objective / use>...
  • Page 389 SI-05C.BOOK Page 375 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Adaptor Remote control mode selector switch (RS1) setting Position Function Operation by input mode A and B Input A (between B1~Bc) Input B (between B2~Bc) Disregard input — — Remote controller Operates by ON and stops by OFF Stops by ON, remote controller...
  • Page 390 SI-05C.BOOK Page 376 Monday, November 6, 2000 4:13 PM Wiring Adaptor SiE-05C Display Signal Normal operation output terminals (W1, W2) and malfunction output terminals (W3, W4) are no voltage, Fetch constant contact output. (Allowable current is 10 mA~3 A per contact.) Output for each system is as given in the table below.

  • Page 391: Adaptor For Wiring (Krp1B61 / Krp1B2 / Krp1B3)

    SI-05C.BOOK Page 377 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Adaptor Adaptor for Wiring (KRP1B61 / KRP1B2 / KRP1B3) <Objective / use> Enables you to fetch compressor and fan operation output when optional accessories (auxiliary electric heater, humidifier, fresh air intake kit [with fan duct])are installed. 5.3.1 Part Names and Functions KRP1B61·KRP1B2...
  • Page 392 SI-05C.BOOK Page 378 Monday, November 6, 2000 4:13 PM Wiring Adaptor SiE-05C 5.3.2 Applicable Models and Whether Optional Accessories are Required or Not Model name Adaptor Mounting Electric Natural Ultrasonic Other required Mounting position box / plate heater evaporatio humidifier optional n humidifier accessories...

  • Page 393: Interface Adaptor For Skyair Series (Dta102A52)

    SI-05C.BOOK Page 379 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Adaptor Interface Adaptor for Skyair Series (DTA102A52) <Objective / use> The interface adaptor for SKY AIR series lets you connect optional controllers for centralized control (central remote controller, unified ON/OFF controller, schedule timer) with SKY AIR. Part Names and Functions <System Outline>...
  • Page 394 SI-05C.BOOK Page 380 Monday, November 6, 2000 4:13 PM Wiring Adaptor SiE-05C 5.4.1 Connection Interface adaptor for SKY AIR series Independent control Group control HRV energy efficient operation Pair Multi : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...

  • Page 395: Wiring Adaptor For Other Air Conditioners (Dta103A51)

    SI-05C.BOOK Page 381 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Adaptor Wiring Adaptor for Other Air Conditioners (DTA103A51) This optional accessory is a contact input/output interface adaptor for optional controllers for centralized control and apparatus that cannot be directly connected to them. Connecting this optional accessory to an optional controller for centralized control lets you turn the apparatus on/off by optional remote controller for centralized control and monitor normal operation and malfunctions.
  • Page 396 SI-05C.BOOK Page 382 Monday, November 6, 2000 4:13 PM Wiring Adaptor SiE-05C Input for Monitoring Wire according to the following procedure depending on whether input is “voltage” or “no voltage.” For voltage input: Set the voltage / no voltage changeover switch (SS1) to “voltage.” (Factory set setting complete) For no voltage input: Set the voltage / no voltage changeover switch (SS1) to “no voltage.”...
  • Page 397 SI-05C.BOOK Page 383 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Adaptor 5.5.3 Mounting of DTA103A51 Storage box is field supplied. Outer dimensions: 230(W)x230(D)x60(H) : http://splitoff.ru/tehn-doc.html Appendix Inverter K Series / PLUS Series...
  • Page 398 SI-05C.BOOK Page 384 Monday, November 6, 2000 4:13 PM Wiring Adaptor SiE-05C External Control Adaptor for Outdoor Units (DTA104A61 · DTA104A62) Objective/use By adding an adaptor for outside control of outdoor units to BS units or indoor units connected in a DIII- NET, you can simultaneously select cool/heat mode for several outdoor units in the system, and it enables demand control and low noise control.
  • Page 399 SI-05C.BOOK Page 385 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Adaptor <Settings of Switches on The PC Board Adaptor> Note: For PLUS Series Set the SS1 cool/heat selector switch on the function unit to “outdoor.” You must also set cool/heat selector “master”...
  • Page 400 SI-05C.BOOK Page 386 Monday, November 6, 2000 4:13 PM Wiring Adaptor SiE-05C Common Address Decide the address for each control unit from 0~9 and set. Setting (DS1 / DS2) Note: 1. Setting is within 8 groups when using a cool/heat central remote controller. Set from No. 0~No. 7. 2.

  • Page 401: Unification Adaptor For Computerized Control (Dcs302A52)

    SI-05C.BOOK Page 387 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Adaptor Unification Adaptor for Computerized Control (DCS302A52) Connecting a unification adaptor for computerized control to the central remote controller enables unified display on the host computer monitor panel (display of operation and malfunction), and unified control from the host computer monitor panel (on/off commands).
  • Page 402 SI-05C.BOOK Page 388 Monday, November 6, 2000 4:13 PM Wiring Adaptor SiE-05C Wiring to Central Connect the unification adaptor for computerized control to connector No. CN2 of the central remote Remote Controller controller with the attached wiring for transmission. 5.7.3 Wiring Part Names and Functions...
  • Page 403 SI-05C.BOOK Page 389 Monday, November 6, 2000 4:13 PM SiE-05C Wiring Adaptor Contact a Input for Set the changeover switch (SS1) to “no voltage.” Both Input A and B (Factory set: Voltage) (No Voltage) The black part shows the position of the switch. 5.7.5 Control Mode Switch (RS) Setting You can select control mode at input A and B with the control mode switch on the PC board adaptor.
  • Page 404 SI-05C.BOOK Page 390 Monday, November 6, 2000 4:13 PM Wiring Adaptor SiE-05C 5.7.6 Installation of DCS302A2 Install inside the control panel in the same place as the central remote controller in the field. (Length of attached wiring is approx. 5 m.) Fasten securely with the attached screws.
  • Page 405 SI-05C.BOOK Page i Monday, November 6, 2000 4:13 PM SiE-05C Index Cooling Start Following Layup ......221 A0 .................130 A1 .................131 Defect of Compressor ......... 326 A3 .................132 Defect of Compressor Coil ........324 A6 .................133 Defect of Pressure Switch for High Pressure A7 .................134 Control ............
  • Page 406 SI-05C.BOOK Page ii Monday, November 6, 2000 4:13 PM SiE-05C Heating Lay-Up Start ..........29 Heating Power on Start M1 ............... 170, 174 (For Heat Pump System) ......222 M8 ............... 170, 174 Heating Pump Down Residual MA ............... 171, 175 Operation ........33, 232, 260 Malfunction of Capacity Determination Device ...
  • Page 407 SI-05C.BOOK Page iii Monday, November 6, 2000 4:13 PM SiE-05C Normal Heating ............253 Setting Modes ..........57, 278 Setting of Master Remote Controller ..... 87 Soft Start ............28, 220 Oil Equalization Control ........228 Standby by Outdoor Temperature Oil Equalizing Operation (Cooling) ....257, 267 When Heating ..........
  • Page 408 SI-05C.BOOK Page iv Monday, November 6, 2000 4:13 PM SiE-05C U8 .................154 U9 .................155 UA ..............156, 318 UC ................156 UE ..............169, 173 UF ..............157, 319 UH ..............158, 320 Unification Adaptor for Computerized Control (DCS302A52) ..........387 Unified ON/OFF Controller (DCS301A51/ DCS301B61) ......105 VRV System Inverter K Series System Outline ..5 Wiring Adaptor for Electrical Appendices (KRP2A61·62) ..........369...
  • Page 409 SI-05C.BOOK Page v Monday, November 6, 2000 4:13 PM SiE-05C Drawings & Flow Charts Setting of Cool / Heat by Individual Outdoor Unit System Abnormal Discharge Pipe Temperture ....306 by Indoor Unit Remote Controller ..67 Actuation of Fin Thermal ........323 Setting of Cool / Heat Actuation of Low Pressure Switch .......304 by Outdoor Unit System Group...
  • Page 410 SI-05C.BOOK Page vi Monday, November 6, 2000 4:13 PM SiE-05C External Control Adaptor for Outdoor Units Malfunction of Discharge (DTA104A61 · DTA104A62) Pipe Thermistor (R3T) ......... 308 Common Address Setting (DS1 / DS2) ..386 Malfunction of Moving Part of Cool/Heat Mode Unified Selection ....384 Electronic Expansion Valve (Y1E) ....
  • Page 411 SI-05C.BOOK Page vii Monday, November 6, 2000 4:13 PM SiE-05C RSXY5K Series ..........14 Inverter Current Control ........36 RSXY8, 10K Series .........20 Low Pressure (Lp) Control ......35 RSXY8K, 10K Series ........24 Switch Settings According to Number of Outdoor Units ..........277 System Outline PC Board Defect ..........303 REY-K ............
  • Page 412 SI-05C.BOOK Page viii Monday, November 6, 2000 4:13 PM SiE-05C Wiring Diagrams - Outdoor Unit BL2KV1 ............347 BL3KV1 ............348 BR2KV1 ............349 BR3KV1 ............350 RNY8,10K7W1 ..........346 RSX5KA7W1 ..........341 RSX8,10KA7W1 ..........342 RSXY5KA7W1 ..........343 RSXY8,10KA7W1 ..........344 RXY8,10K7W1 ..........345 : http://splitoff.ru/tehn-doc.html viii Drawings & Flow Charts...

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