Toshiba RAV-SM560AT-E Service Manual
Toshiba RAV-SM560AT-E Service Manual

Toshiba RAV-SM560AT-E Service Manual

Air conditioner split type
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SERVICE MANUAL

RAV-SM560AT-E/RAV-SM800AT-E
RAV-SM560UT-E/RAV-SM800UT-E
RAV-SM560BT-E/RAV-SM800BT-E
RAV-SM560KRT-E/RAV-SM800KRT-E
RAV-SM560XT-E/RAV-SM800XT-E
File No. A02-014 in the page of the following table has been changed,
and the portion is expressed as
2, 3, 5, 11, 20, 21, 29, 57,
Revised page
59, 60, 63, 64, 168, 170
R410A
mark.
FILE NO. A02-014
Revised Nov. 2003
SPLIT TYPE
PRINTED IN JAPAN, Apr.,2003 ToMo

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Summary of Contents for Toshiba RAV-SM560AT-E

  • Page 1: Service Manual

    FILE NO. A02-014 Revised Nov. 2003 SERVICE MANUAL SPLIT TYPE RAV-SM560AT-E/RAV-SM800AT-E RAV-SM560UT-E/RAV-SM800UT-E RAV-SM560BT-E/RAV-SM800BT-E RAV-SM560KRT-E/RAV-SM800KRT-E RAV-SM560XT-E/RAV-SM800XT-E File No. A02-014 in the page of the following table has been changed, and the portion is expressed as mark. 2, 3, 5, 11, 20, 21, 29, 57,...
  • Page 2: Table Of Contents

    CONTENTS 1. SPECIFICATIONS ....................3 2. AIR DUCTING WORK ..................12 3. CONSTRUCTION VIEWS (EXTERNAL VIEWS) ..........13 4. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM ........20 5. WIRING DIAGRAM .................... 22 6. SPECIFICATIONS OF ELECTRICAL PARTS ........... 28 7. REFRIGERANT R410A ..................30 8.
  • Page 3: Specifications

    1. SPECIFICATIONS 1-1. Indoor Unit 1-1-1. 4-Way Air Discharge Cassette Type Model name RAV-SM560UT-E RAV-SM800UT-E Cooling Heating Average Cooling Heating Average Standard capacity (Note 1) (kW) (1.5 – 5.6) (1.5 – 6.3) (2.2 – 8.0) (2.2–9.0) Heating low temp. capacity (Note 1) (kW) Energy consumption effect ratio (Cooling) 3.01 [B] 3.90 [A]...
  • Page 4 • Operation characteristic curve <Cooling> <Heating> RAV-SM800UT-E RAV-SM800UT-E RAV-SM560UT-E RAV-SM560UT-E • Conditions • Conditions Indoor : DB27˚C/WB19˚C Indoor : DB20˚C Outdoor : DB35˚C Outdoor : DB7˚C/WB6˚C Air flow : High Air flow : High Pipe length : 7.5m Pipe length : 7.5m 230V 230V 60 70 80...
  • Page 5: Concealed Duct Type

    1-1-2. Concealed Duct Type Model name RAV-SM560BT-E RAV-SM800BT-E Cooling Heating Average Cooling Heating Average Standard capacity (Note 1) (kW) (1.5 – 5.6) (1.5 – 6.3) (2.2 – 8.0) (2.2–9.0) Heating low temp. capacity (Note 1) (kW) Energy consumption effect ratio (Cooling) 2.60 [D] 3.27 [C] 2.94...
  • Page 6 • Operation characteristic curve <Cooling> <Heating> RAV-SM800BT-E RAV-SM800BT-E RAV-SM560BT-E RAV-SM560BT-E • Conditions • Conditions Indoor : DB27˚C/WB19˚C Indoor : DB20˚C Outdoor : DB35˚C Outdoor : DB7˚C/WB6˚C Air flow : High Air flow : High Pipe length : 7.5m Pipe length : 7.5m 230V 230V 60 70 80...
  • Page 7 1-1-3. High-Wall Type Model name RAV-SM560KRT-E RAV-SM800KRT-E Cooling Heating Average Cooling Heating Average Standard capacity (Note 1) (kW) (1.5 – 5.6) (1.5 – 6.3) (2.2 – 8.0) (2.2–9.0) Heating low temp. capacity (Note 1) (kW) Energy consumption effect ratio (Cooling) 2.93 [D] 3.29 [C] 3.11...
  • Page 8 • Operation characteristic curve <Cooling> <Heating> RAV-SM800KRT-E RAV-SM800KRT-E RAV-SM560KRT-E RAV-SM560KRT-E • Conditions • Conditions Indoor : DB27˚C/WB19˚C Indoor : DB20˚C Outdoor : DB35˚C Outdoor : DB7˚C/WB6˚C Air flow : High Air flow : High Pipe length : 7.5m Pipe length : 7.5m 230V 230V 60 70 80...
  • Page 9 1-1-4. Flexible Type Model name RAV-SM560XT-E RAV-SM800XT-E Cooling Heating Average Cooling Heating Average Standard capacity (Note 1) (kW) (1.5 – 5.6) (1.5 – 6.3) (2.2 – 8.0) (2.2–9.0) Heating low temp. capacity (Note 1) (kW) Energy consumption effect ratio (Cooling) 2.93 [D] 3.29 [C] 3.11...
  • Page 10 • Operation characteristic curve <Cooling> <Heating> RAV-SM800XT-E RAV-SM800XT-E RAV-SM560XT-E RAV-SM560XT-E • Conditions • Conditions Indoor : DB27˚C/WB19˚C Indoor : DB20˚C Outdoor : DB35˚C Outdoor : DB7˚C/WB6˚C Air flow : High Air flow : High Pipe length : 7.5m Pipe length : 7.5m 230V 230V 60 70 80...
  • Page 11: Outdoor Unit

    1-2. Outdoor Unit Model name RAV-SM560AT-E RAV-SM800AT-E Appearance Silky shade (Muncel 1Y8.5/0.5) 1 phase 230V (220 – 240V) 50Hz Power supply (Power exclusive to outdoor is required.) Type Hermetic compressor Compressor Motor (kW) Pole 4 poles Refrigerant charged (kg) R410A 0.9 R410A 1.5...
  • Page 12: Combination Specifications Of Indoor Units With Outdoor Units

    1-3. Combination Specifications of Indoor Units with Outdoor Units 4-way Air Discharge Cassette type Indoor Unit RAV-SM560UT-E RAV-SM800UT-E RAV-SP1100UT-E RAV-SM1400UT-E Outdoor Unit RAV-SP560AT-E RAV-SP800AT-E RAV-SP1100AT-E RAV-SP1400AT-E Cooling Heating Cooling Heating Cooling Heating Cooling Heating Standard capacity (Note 1) (kW) 5.30 5.60 7.10 8.00...
  • Page 13: Air Ducting Work

    2. AIR DUCTING WORK 2-1. Static Pressure Characteristics of Each Model Fig. 1 RAV-SM560BT-E 70% (570m³/h) 110% (925m³/h) Standard air volume : 840m³/h Extra High tap Extra High tap High tap High tap Middole tap Middle tap Low tap Low tap 900 925 1000 Air volume (m³/hr.)
  • Page 14: Construction Views (External Views)

    3. CONSTRUCTION VIEWS (EXTERNAL VIEWS) 3-1. Indoor Unit 4-Way Air Discharge Cassette Type RAV-SM560UT-E/RAV-SM800UT-E 860 to 910 Recommended external size Check port ( 450) Check port ( 450) Standing 850 or less Surface Standing under ceiling Cable draw-in port 640 or less Surface under ceiling Refrigerant pipe...
  • Page 15 Concealed Duct Type RAV-SM560BT-E 750 ± 7.5 Hanging bolt pitch 2-Ø200 700 Dimension of main unit Discharge port flange 4-M10 Drain up kit Hanging bolt (Sold separately) (Procured locally) For hanging bolt M10 (4-12 x 25 long hole) 780 Ceiling opening size 800 Dimension of main unit 565 Hanging bolt pitch Drain pipe connecting port...
  • Page 16 RAV-SM800BT-E 1050 ± 7.5 Hanging bolt pitch 2-Ø200 1000 Dimension of main unit Discharge port flange 4-M10 Drain up kit Hanging bolt (Sold separately) (Procured locally) For hanging bolt M10 (4-12 x 25 long hole) 1030 1050 Ceiling opening size 800 Dimension of main unit 565 Hanging bolt pitch Drain pipe connecting port...
  • Page 17 High-Wall Type RAV-SM560KRT-E/RAV-SM800KRT-E Discharge port Suction port Pipe port from left (Knockout hole) Pipe port from right (Knockout hole) Pipe port from lower side (Knockout hole) Z views Drain hose Refrigerant pipe connecting port B Refrigerant pipe connecting port A 763.5 Position of installation plate Liquid Side...
  • Page 18 Under Ceiling/Console Type RAV-SM560XT-E/RAV-SM800XT-E Front panel 1093 Knock out system Grille air inlet Back body 200 Min 1093 For stud bolt Installation plate (Ø8 – Ø10) 1015 For stud bolt (Ø6) Mount plate M10 Suspention bolt Wireless remote control Knock out system UNDER CEILING &...
  • Page 19 3-2. Outdoor Unit RAV-SM560AT-E Drain hole (2-Ø20 x 88 long hole) Drain hole (Ø25) A legs 115.3 125 B legs Discharge guide mounting hole 115.3 49.5 (4-Ø4 embossing) Discharge guard Valve cover Earth terminal 500 (Fan center dividing) Charge port Protective net mounting hole (2-Ø4 embossing)
  • Page 20 RAV-SM800AT-E Knockout (For draining) Drain hole (Ø20 x 88 burring hole) Drain hole (Ø25 burring hole) Installation bolt hole (Ø12 x 17 U-shape holes) Suction Part B port Suction Details of B part Knockout port (For draining) Details of A part Discharge port Part A...
  • Page 21: Systematic Refrigerating Cycle Diagram

    4. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM Indoor Unit/Outdoor Unit RAV-SM560UT-E, RAV-SM560BT-E, RAV-SM560KRT-E/RAV-SM560AT-E Indoor unit sensor Air heat exchanger TC sensor Outer diameter of refrigerant pipe Gas side ØA Liquid side ØB 12.7mm 6.4mm Refrigerant pipe Refrigerant pipe at liquid side at gas side Outer dia.
  • Page 22 Indoor Unit/Outdoor Unit RAV-SM800UT-E, RAV-SM800BT-E, RAV-SM800KRT-E/RAV-SM800AT-E Indoor unit sensor Air heat exchanger TC sensor Outer diameter of refrigerant pipe Gas side ØA Liquid side ØB 15.9mm 9.5mm Refrigerant pipe Refrigerant pipe at liquid side at gas side Outer dia. ØA Outer dia.
  • Page 23: Wiring Diagram

    5. WIRING DIAGRAM 5-1. Indoor Unit 4-Way Air Discharge Cassette Type RAV-SM560UT-E/RAV-SM800UT-E (EXCT) 1 2 3 CN34 (RED) CN104 CN102 CN101 CN80 CN73 CN70 (YEL) (RED) (BLK) (GRN) (RED) (WHI) CN620 (BLU) MCC-1402 CN33 CN60 Control P.C. Board for (WHI) (WHI) Indoor Unit CN32...
  • Page 24 Concealed Duct Type RAV-SM560BT-E/RAV-SM800BT-E EXCT 1 2 3 CN104 CN102 CN101 CN080 CN073 CN070 CN030 (YEL) (RED) (BLK) (GRN) (RED) (WHI) (RED) CN060 OPTION (WHI) CN032 (WHI) DRIVE CN033 (GRN) CN061 (YEL) RY001 CN068 (BLU) RY002 CN074 (WHI) Power RY005 supply RY006 circuit...
  • Page 25 High-Wall Type RAV-SM560KRT-E/RAV-SM800KRT-E SUB-CONTROL P.C. BOARD CN12 CN01 Indoor unit Outdoor unit (1 Phase model) CN63 CN62 CN16 GRN&YEL Earth Screw Remote Controller CN230 CN61 Power Supply F201 CN64 (Option) 220/240 50Hz T3,15A 250V~ CN231 Serial Signal CN223 CN02 CN11 MCC-1370A Central Centroller Connection (Option)
  • Page 26 RAV-SM560XT-E/RAV-SM800XT-E HEAT EXCHANGER SWITCH PCB SENSOR MCC-1428B (TCJ) CN101 FOR FLOAT SWITCH (OPTION) When you use float switch you should cut J401 CN402 CN100 CN05 CN03 THERMO SENSOR J401 (TA) POWER DC12V SUPPLY IC03 HEAT DC5V CIRCUIT EXCHANGER SENSOR CN01 (TC) R506 DB01...
  • Page 27 5-2. Outdoor Unit RAV-SM560AT-E REACTOR Q200 DB01 THERMOSTAT CONVERTER IGBT MODULE MODULE COMPRESSOR CN500 – P17 P18 CN600 ELECTRONIC CN601 STARTER POWER RELAY CN602 P.C. BOARD (MCC-813) – CN603 – – RELAY Q300 CN701 COMPRESSOR COIL FOR 4-WAY VALVE SURGE...
  • Page 28 RAV-SM800AT-E CN09 CN10 Compressor IGBT THERMOSTAT CN11 module COMPRESSOR CN604 POWER SUPPLY CIRCUIT CN500 (FOR P .C. BOARD) CN605 Q200 4-WAY VALVE COIL FUSE 3.15A CN600 CN700 CN601 FAN MOTOR CN300 FUSE circuit Converter CN302 CN04 module CN301 F300 POWER FUSE RELAY DB01...
  • Page 29: Specifications Of Electrical Parts

    6. SPECIFICATIONS OF ELECTRICAL PARTS 6-1. Indoor Unit 4-Way Air Discharge Cassette Type RAV-SM560UT-E/RAV-SM800UT-E Parts name Type Specifications Fan motor (for indoor) SWF-230-60-1 Output (Rated) 60 W, 220–240 V Thermo. sensor (TA-sensor) 155 mm 10 kΩ at 25°C Heat exchanger sensor (TCJ-sensor) Ø6 mm, 1200 mm 10 kΩ...
  • Page 30: Accessory Separate Sold Parts

    6-2. Outdoor Unit RAV-SM560AT-E Parts name Type Specifications Fan motor ICF-140-43-1 Output (Rated) 40 W Compressor DA130A1F-23F 3 phase, 4P , 1100 W Reactor CH-57 10 mH, 16A Outdoor temp. sensor (To-sensor) — 10 kΩ at 25°C Heat exchanger sensor (Te-sensor) —...
  • Page 31: Refrigerant R410A

    7. REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC (6) When an air conditioning system charged with a (R410A) which does not damage the ozone layer. large volume of refrigerant is installed in a small room, it is necessary to exercise care so that, The working pressure of the new refrigerant R410A even when refrigerant leaks, its concentration is 1.6 times higher than conventional refrigerant...
  • Page 32 Table 7-2-1 Thicknesses of annealed copper pipes Thickness (mm) Nominal diameter Outer diameter (mm) R410A 6.35 0.80 0.80 9.52 0.80 0.80 12.70 0.80 0.80 15.88 1.00 1.00 (2) Joints b) Socket Joints Socket joints are such that they are brazed For copper pipes, flare joints or socket joints are used.
  • Page 33 c) Insertion of Flare Nut Flare processing dimensions differ according to the type of flare tool. When using a con- d) Flare Processing ventional flare tool, be sure to secure “dimen- Make certain that a clamp bar and copper sion A” by using a gauge for size adjustment. pipe have been cleaned.
  • Page 34 Table 7-2-6 Flare and flare nut dimensions for R22 Dimension (mm) Nominal Outer diameter Thickness Flare nut width diameter (mm) (mm) (mm) 6.35 9.52 13.0 13.5 12.70 16.2 16.0 12.9 15.88 19.4 19.0 16.0 19.05 23.3 24.0 19.2 Fig. 7-2-2 Relations between flare nut and flare seal surface When it is strong, the flare nut may crack and (2) Flare Connecting Procedures and Precautions may be made non-removable.
  • Page 35 7-3. Tools 7-3-1. Required Tools The service port diameter of packed valve of the outdoor unit in the air conditioner using R410A is changed to prevent mixing of other refrigerant. To reinforce the pressure-resisting strength, flare processing dimensions and opposite side dimension of flare nut (For Ø12.7 copper pipe) of the refrigerant piping are lengthened. The used refrigerating oil is changed, and mixing of oil may cause a trouble such as generation of sludge, clogging of capillary, etc.
  • Page 36: Recharging Of Refrigerant

    7-4. Recharging of Refrigerant When it is necessary to recharge refrigerant, charge the specified amount of new refrigerant according to the following steps. Recover the refrigerant, and check no refrigerant remains in the equipment. When the compound gauge’s pointer has indicated –0.1 Mpa (–76 cmHg), place the handle Low in the fully closed position, and turn off the vacuum pump’s Connect the charge hose to packed valve service...
  • Page 37: Brazing Of Pipes

     Be sure to make setting so that liquid can be charged. ‚ When using a cylinder equipped with a siphon, liquid can be charged without turning it upside down. It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant. Accordingly, when charging refrigerant from the refrigerant cylinder to the equipment, charge it turning the cylinder upside down if cylinder is not equipped with siphon.
  • Page 38 (2) Characteristics required for flux 7-5-3. Brazing • Activated temperature of flux coincides with As brazing work requires sophisticated techniques, the brazing temperature. experiences based upon a theoretical knowledge, it must be performed by a person qualified. • Due to a wide effective temperature range, flux is hard to carbonize.
  • Page 39: Control Block Diagram

    8. CONTROL BLOCK DIAGRAM 8-1. Indoor Control Circuit Main (Sub) master remote controller Weekly timer Display Display driver Max. 8 units are connectable.*1 Display Function setup Function setup *1 Max. 7 units when network adapters are attached Key swi tch Key swi tch *2 Network adapters are attached to only CN2 CN1...
  • Page 40: Control Specifications

    8-2. Control Specifications Item Outline of specifications Remarks When power 1) Distinction of outdoor units supply is reset When the power supply is reset, the outdoors are distinguished, and control is exchanged according to the distinguished result. 2) Setting of speed of the indoor fan/setting whether to adjust air direction or not.
  • Page 41 Item Outline of specifications Remarks Room 1) Adjustment range Remote controller setup tem- temperature perature (°C) control COOL/ Heating Auto operation operation Wired type 18 to 29 18 to 29 18 to 29 Wireless type 18 to 30 16 to 30 17 to 27 : Only for 4-way air discharge cassette type 2) Using the item code 06, the setup temperature in...
  • Page 42 Item Outline of specifications Remarks Air speed <HEAT> Ta (˚C) selection (Continued) L(L) (-0.5) –1.0 L(H) H(H) (+0.5) +1.0 (HH) (+1.0) +2.0 (+1.5) +3.0 (HH) (+2.0) +4.0 Value in the parentheses indicates one when thermostat of the remote controller works. Value without parentheses indicates one when thermostat of the body works.
  • Page 43 Item Outline of specifications Remarks Cool air 1) In heating operation, the indoor fan is controlled based In D or E zone, the priority discharge on the detected temperature of Tc sensor or Tcj sensor. is given to setup of air preventive As shown below, the volume exchange.
  • Page 44 Item Outline of specifications Remarks Drain pump control 1) In cooling operation (including Dry operation), the drain pump is usually operated. (For the duct, when 2) If the float switch operates while drain pump the drain-up kit operates, the compressor stops, the drain pump (sold separately) is continues the operation, and a check code is mounted)
  • Page 45 Item Outline of specifications Remarks Frequency fixed <In case of wired remote controller> operation 1. When pushing [CHECK] button for 4 seconds or more, (Test run) [TEST] is displayed on the display screen and the mode enters in Test run mode. 2.
  • Page 46 Item Outline of specifications Remarks Central control 1) Setting at the central controller side enables to select mode selection the contents which can be operated on the remote controller at indoor unit side. 2) RBC-AMT21 [Last push priority] : (No display) The operation contents can be selected from both remote controller and central controller of the indoor unit side, and the operation is performed with the...
  • Page 47 8-3. Indoor Print Circuit Board 4-Way Air Discharge Cassette Type RAV-SM560UT-E/RAV-SM800UT-E <MCC-1402> – 46 –...
  • Page 48 Concealed Duct Type RAV-SM560BT-E/RAV-SM800BT-E <MCC-1403> – 47 –...
  • Page 49: Circuit Configuration And Control Specifications

    9. CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS 9-1. Microcomputer System Block Diagram 9-1-1. Connection of Main Remote Controller Main (Sub) master remote controller EEPROM Display The P .C. boards of the indoor unit are classified into 4 boards according to the Function setup function.
  • Page 50 9-1-2. Connection of Wireless Remote Controller Indoor unit Main P .C. board (MCC-1370A) Infrared radiation E E P R O M Sensors TA shift setup Model selection Sensor display Function setup P .C. board TA sensor Remote controller TMP87CM No. setupTwin/ Optional TC sensor Triple setup...
  • Page 51 9-1-3. Control Specifications Item Outline of specifications Remarks When power 1) Distinction of outdoor units supply is reset When the power supply is reset, the outdoors are distinguished, and control is exchanged according to the distinguished result. 2) Setting of the indoor fan speed Based on EEPROM data, rspeed of the indoor fan is Air speed selected.
  • Page 52 Item Outline of specifications Remarks Automatic 1) Based on the difference between Ta and Ts, the capacity control operation frequency is instructed to the outdoor unit. (GA control) NOTE : In cooling operation : When calculating the following conditions for 29 minutes, the commanded frequency is assumed as the rated cooling frequency.
  • Page 53 Item Outline of specifications Remarks Air volume control Air volume setup SM560 SM800 (Continued) Revolutions per COOL, DRY, FAN HEAT minute (rpm) 1290 1480 1230 1480 1180 1340 1150 1320 1120 1310 1060 1200 1060 1200 1100 1040 3) In heating operation, the mode changes to [Ultra “Stop”...
  • Page 54 Item Outline of specifications Remarks Freeze preventive 1) The cooling operation (including Dry operation) is Tcj : Indoor heat control performed as follows based on the detected tem- exchanger sensor (Low temperature perature of Tc sensor or Tcj sensor. temperature release) When [J] zone is detected for T1 minutes (Following figure), the commanded frequency is decreased...
  • Page 55 Item Outline of specifications Remarks Louver control The louver angle is displayed Full close setting 0° as “Full close”. 1) Louver position 1) In the initial operation after 0˚ power-ON, the position is automatically controlled according to the operating status (COOL/HEAT). Cooling Heating 45˚...
  • Page 56 Item Outline of specifications Remarks Filter sign display 1) The operation time of the indoor fan is calculated, the filter [FILTER] goes lamp (Orange) on the display part of the main unit goes on when the specified time (240H) has passed. When a wired remote controller is connected, the filter reset signal is sent to the remote controller, and also it is displayed on LCD of the wired remote controller.
  • Page 57 9-2. Indoor Control Circuit 9-2-1. Print Circuit Board <Main P.C. board (MCC-1370A)> <Sub P.C. board (MCC-1370B)> – 56 –...
  • Page 58 9-2-2. Outline of Main Controls 1. Pulse Modulating Valve (PMV) control 1) For PMV, SM560 is controlled with 45 to 500 pulses and SM800 with 50 to 500 pulses during operation, respectively. 2) In cooling operation, PMV is controlled with the temperature difference between TS sensor and TC sensor.
  • Page 59 9-2-3. Indoor P.C. Board Optional Connector Specifications Connector Function Specifications Remarks Option output CN60 DC12V (COM) Defrost output ON during defrost operation of outdoor unit Thermo. ON output ON during Real thermo-ON (Comp ON) Cooling output ON when operation mode is in cooling system (COOL, DRY, COOL in AUTO cooling/heating) Heating output ON when operation mode is in heating system...
  • Page 60 9-3. Outdoor Controls 9-3-1. Print Circuit Board <Viewed from parts of P.C board> MCC-813 (RAV-SM560AT-E) – 59 –...
  • Page 61 MCC-1398 (RAV-SM800AT-E) – 60 –...
  • Page 62 9-3-2. Outline of Main Controls 1. Outdoor fan control (Object: SM80) Allocautions of fan tap revolutions [rpm] SM800 1) Cooling fan control The outdoor fan is controlled by TE sensor. (Cooling: Temperature conditions after medium term) TE [˚C] The cooling fan is controlled by every 1 tap of DC fan control (14 taps).
  • Page 63 2. Outdoor fan control (Object: SM560) The outdoor fan is controlled by TO sensor and the revolutions frequency of the compressor (rps). The outdoor fan is controlled by every 1 tap of DC fan control (8 taps). According to each operation mode, the fan is operated by selecting an outdoor fan operation tap in the following table based upon the conditions of TO sensor and the compressor operation (rps).
  • Page 64 NOTIFICATION It is not an abnormal phenomenon that electro-noise may be heard while heating the coil. 4. Short intermittent operation preventive control The compressor may not stop for preventing the compressor for 3 to 10 minutes after start of the operation even if Thermo-OFF signal has been received from the indoor.
  • Page 65 8. Defrost control In heating operation, defrost operation is performed when TE sensor temperature satisfies any condition in A zone to D zone. The defrost operation is immediately finished if TE sensor temperature has become 12°C or more, or it also is finished when condition of 7°C ≤ TE < 12°C has continued for 1 minute. The defrost operation is also finished when defrost operation has continued for 10 minutes even if TE sensor temperature has become 7°C or lower.
  • Page 66: Troubleshooting

    10. TROUBLESHOOTING 10-1. Summary of Troubleshooting <Wired remote controller type> 1. Before troubleshooting 1) Required tools/instruments • + and – screwdrivers, spanners, radio cutting pliers, nippers, push pins for reset switch • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check The following operations are normal.
  • Page 67 <Wireless remote controller type> (Only for 4-way air discharge cassette type models) 1. Before troubleshooting 1) Required tools/instruments • + and – screwdrivers, spanners, radio cutting pliers, nippers, etc. • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check The following operations are normal.
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  • Page 71 10-3. Error Mode Detected by LED on Outdoor P.C. Board <SW800: LED display in bit 1, bit 2, bit 3 OFF> • When multiple errors are detected, the latest error is displayed. • When LED display is (Go on), there is the main cause of trouble on the objective part of control at CDB side and the unit stops.
  • Page 72: Troubleshooting Procedure For Each Check Code

    10-4. Troubleshooting Procedure for Each Check Code 10-4-1. New Check Code/Present Check Code (Central Control Side) [E01 error]/ [99 error] : When central controller [99] is displayed, there are other causes of error. Correct inter-unit cable of remote controller. Is inter-unit cable of A and B normal? Is there no disconnection Correct connection of connector.
  • Page 73 As shown in the following figure, perform measurement within 20 seconds after power ON. S5277G Black White Inter-terminal block For RAV-SM560AT-E, main circuit on control P.C. board Is DC280V applied between Replace IPDU. terminals of electrolytic capacitor of IPDU main circuit? For RAV-SM560AT-E, check case thermo.
  • Page 74 [E10 error]/[CF error] <Only for 4-way air discharge cassette type (RAV-SM560UT-E/RAV-SM800UT-E)> Check indoor control P.C. board (MCC-1402). Defect Replace [E18 error]/[97 error] [99 error] : When central controller [99] is displayed, there are other causes of trouble. Correct inter-unit cable of remote controller. Is inter-unit cable of A and B normal? Is there no disconnection Correct connection of connector.
  • Page 75 [L20 error]/[98 error] Are cable connections to Correct cable connection communication line X, Y normal? Check indoor P.C. board Is central controller [98] displayed? (MCC-1402 or MCC-1403). Defect Replace Is indoor remote controller [L20] displayed? Are not multiple Correct central control network address. same central control network addresses connected? Check central controller...
  • Page 76 [P10 error]/[Ob error] Is connection of float switch connector Correct connection of connector. (Indoor control P.C. board CH34) normal? Does float switch operate? Check and correct cabling/wiring. Is circuit cabling normal? Check indoor P.C. board (MCC-1402 or MCC-1403). Defect Replace Does drain pump operate? Check indoor P.C.
  • Page 77 [P12 error]/[11 error] <Only for 4-way air discharge cassette type models (RAV-SM560UT-E/RAV-SM800UT-E)> Turn off the power. Are not there connections errors or Correct connection of connector. disconnection on connectors CN333 and CN334 of indoor unit P.C. board (MCC-1402)? Remove connectors CN333 and CN334 of indoor unit P.C.
  • Page 78 Between (Black lead) and (Red lead) of motor winding of connector (CN301) CN300 * Connector of RAV-SM560AT-E differs from that of RAV-SM800AT-E. The status that there is 5k to 20k resistance values between CN300: Motor coil winding (Yellow lead) and...
  • Page 79 Defect Replace * For RAV-SM560AT-E, check control P.C. board. • In cooling operation, if high pressure is abnormally raised, [P19 error]/[08 error] may be displayed. In this case, remove cause of pressure up and then check again referring to the item [P04 error]/[21 error].
  • Page 80 Are connections of Correct connection of connector. cabling/connector normal? Check and correct reactor connection. * For RAV-SM560AT-E, check RY01 on the control P.C. board. Are not “P26” and “14” errors output Does RY01 relay of when an operation is performed by...
  • Page 81 (Is resistance between windings 0.6 to 1.2 ?) Is not winding opened? Compressor error Replace Check IPDU P.C. board. * For RAV-SM560AT-E, replace control P.C. board. Defect Replace [H03 error]/[17 error] Are cablings of power and Check and correct circuit cables.
  • Page 82 [F06 error]/[18 error] Are connections of Correct connection of connector. TE/TS sensor connectors of CDB CN604/CN605 normal? * (For RAV-SM560AT-E, CN600 TE sensor and CN603 TS sensor) Are characteristics of TE/TS sensor Replace TE and TS sensors. resistance values normal? Check CDB.
  • Page 83 Compressor lock Replace Is compressor normal? slackened refrigerant? Does electron expansion Check TE and TS sensors. Replace valve normally operate? Check electron expansion valve. Replace Check IPDU and CDB. * For RAV-SM560AT-E, replace control P.C. board. Defect Replace – 82 –...
  • Page 84 Replace TD sensor. TD sensor resistance value normal? * Refer to Characteristics-4. Check CDB. Defect Replace * For RAV-SM560AT-E, replace control P.C. board. [H01 error]/[1F error] Improve power line. Is power voltage normal? Improve and delete the cause. Is not abnormal overload? Is the circuit detected by Check and correct circuit cables.
  • Page 85 TD, TO, TC sensor resistance and TC sensors. values normal? * Refer to Characteristics-3 and 4. Check charged refrigerant amount. Check CDB. Check liquid/gas valves. Check abnormal overload. Defect Replace * For RAV-SM560AT-E, replace control P.C. board. – 84 –...
  • Page 86 [97 error] (Central controller) Correct communication line. Is X, Y communication line normal? Are connections between connectors CN02, CN03 of network adapter P.C. board Correct connection of connector. and connectors CN309, CN41 of indoor P.C. board (MCC-1402 or MCC-1403, normal? Check connections of A, B terminal blocks.
  • Page 87 [E03 error] (Master indoor unit) [E03 error] is detected when the indoor unit cannot receive a signal sent from the main remote controller (and central controller). In this case, check the communication cables of the remote controllers A and B, the central control system X and Y.
  • Page 88 10-4-2. Relational Graph of Temperature Sensor Resistance Value and Temperature TA sensor TC, TCJ sensor Caracteristics-2 Caracteristics-1 Resistance Resistance (k ) (k ) –10 Temperature [˚C] Temperature [˚C] TE, TO, TS sensor Caracteristics-3 Resistance Resistance (k ) (k ) (10˚C or higher) (10˚C or lower) Temperature [˚C] TD sensor...
  • Page 89: Replacement Of Service Indoor P.c. Board

    11. REPLACEMENT OF SERVICE INDOOR P.C. BOARD [Requirement when replacing the service indoor P.C. board assembly] In the non-volatile memory (Hereinafter said EEPROM, IC10) installed on the indoor P .C. board before replace- ment, the type and capacity code exclusive to the corresponding model have been stored at shipment from the factory and the important setup data such as system/indoor/group address set in (AUTO/MANUAL) mode or setting of high ceiling selection have been stored at installation time.
  • Page 90 r1 Readout of the setup data from EEPROM (Data in EEPROM contents, which have been changed at the local site, are read out together with data in EEPROM set at shipment from the factory.) 1. Push , and buttons of the remote controller at the same time for 4 seconds or more. (Corresponded with No.
  • Page 91 r3 Writing of the setup contents to EEPROM (The contents of EEPROM installed on the service P .C. board have been set up at shipment from the factory.) 1. Push , and buttons of the remote controller at the same time for 4 seconds or more. (Corresponded with No.
  • Page 92 Memorandum for setup contents (Item code table (Example)) Item Memo At shipment Filter sign lighting time According to type Dirty state of filter 0000: Standard Central control address 0099: Unfixed Heating suction temp shift 0002: +2°C (Floor type: 0) Cooling only 0000: Shared for cooling/heating Type According to model type...
  • Page 93: Setup At Local Site And Others

    12. SETUP AT LOCAL SITE AND OTHERS 12-1. Indoor Unit 12-1-1. Test Run Setup on Remote Controller <Wired remote controller> 1. When pushing button on the remote controller for 4 seconds or more, “TEST” is displayed on LC display. Then push button.
  • Page 94 12-1-2. Setup to Select Function <Procedure> Use this function while the indoor unit stops. Push , and buttons concurrently for 4 seconds or more. The unit No. displayed at the first time indicates the indoor unit address of the master unit in the group control. In this time, fan and flap of the selected indoor unit operate.
  • Page 95 Item No. (DN) table (Selection of function) Item Description At shipment Filter sign lighting 0000 : None 0001 : 150H According to type time 0002 : 2500H 0003 : 5000H 0004 : 10000H 0005 : Clogged sensor used Dirty state of filter 0000 : Standard 0001 : High degree of dirt 0000 : Standard...
  • Page 96 12-1-3. Cabling and Setting of Remote Controller Control 2-remote controller control (Controlled by two remote controllers) One or multiple indoor units are controlled by two remote controllers. (Max. 2 remote controllers are connectable.) Remote controller Remote controller switch (Sub) switch (Master) •...
  • Page 97 12-1-4. Monitor Function of Remote Controller Switch n Call of sensor temperature display <Contents> SET DATA Each sensor temperature of the remote controller, indoor UNIT No. unit, and outdoor unit can become known by calling the R.C. service monitor mode from the remote controller. <Procedure>...
  • Page 98: Group Control Operation

    n Calling of error history <Contents> The error contents in the past can be called. SET DATA <Procedure> UNIT No. R.C. Push buttons simultaneously for 4 seconds or more to call the service check mode. Service Check goes on, the item code displayed, and then the content of the latest alarm is displayed.
  • Page 99: Microcomputer Block Diagram

    12-2. Network Adapter Model name: TCB-PCNT20E 12-2-1. Function A network adapter is an optional P .C. board to connect the indoor unit to AI net (Central control remote controller). 12-2-2. Microcomputer Block Diagram Central control Remote controller remote controller Indoor unit Optional communication P.C.
  • Page 100 12-2-5. Communication Cable Specifications Communication circuit Communication cable specifications Remote controller Cable Neutral 2-cable type communication side Cable type (JIS C3401) Controlling vinyl insulation vinyl seal cable VCTF (JIS C3306) Vinyl cab tire round type cord (JIS C3401) 600V vinyl cab tire cable (JIS C3401) Vinyl insulation seal cable round type MVVS Cable with net shielding for instrumentation CPEVS Shielded polyethylene insulation vinyl seal cable...
  • Page 101: How To Set An Address Number

    12-3. How to Set an Address Number When connecting indoor units to the central control remote controller by using a network adapter, it is required to set up a network address No. • The network address No. should be agreed with the line No. of the central control remote controller. •...
  • Page 102 Table 2 Network address No. setup table (SW01) : ON side : OFF side Address No. Address No. Requirement in Service When using this product as service part to replace the network adapter P .C. board, be sure to match the setup of the setup switch SW01 (Network address No.
  • Page 103 12-4. Display and Operation of Main Remote Controller and Central Control Remote Controller 1. Turn on all the power supplies of the air conditioner, and then turn on power of the central control remote controller (Line 16 RBC-SXC1P , Line 64 TCB-SC641). If both power supplies are simultaneously turned on or if they are turned on reversely, the check code [97] may be temporarily displayed on the central remote controller.
  • Page 104: Address Setup

    13. ADDRESS SETUP 13-1. Address Setup <Address setup procedure> When an outdoor unit and an indoor unit are connected, or when an outdoor unit is connected to each indoor unit respectively in the group operation even if multiple refrigerant lines are provided, the automatic address setup completes with power-ON of the outdoor unit.
  • Page 105 13-2. Address Setup & Group Control <Terminology> Indoor unit No. : N - n = Outdoor unit line address N (Max. 30) - Indoor unit address n (Max. 64) Group address : 0 = Individual (Not group control) 1 = Master unit in group control 2 = Sub unit in group control Master unit (= 1) : The representative of multiple indoor units in group operation sends/receives signals to/from the remote controllers and sub indoor units.
  • Page 106 13-3. Address Setup In case that addresses of the indoor units will be determined prior to piping work after cabling work (Manual setting from remote controller) <Address setup procedure> • Set an indoor unit per a remote controller. • Turn on power supply. (Example of 2-lines cabling) Push buttons simultaneously...
  • Page 107 n Confirmation of indoor unit No. position 1. To know the indoor unit addresses though position of the indoor unit body is recognized • In case of individual operation (Wired remote controller : indoor unit = 1 : 1) (Follow to the procedure during operation) <Procedure>...
  • Page 108 RAV-SM800AT-E LED display when SW800 : Bit 1, 2, 3, 4 OFF • When multiple errors are detected, the latest error is displayed. • While LED displays (go on), there is the main cause of error in control at CDB side and it stops abnormally. •...
  • Page 109: Troubleshooting

    14. TROUBLESHOOTING <WALL TYPE> 14-1. Summary of Troubleshooting <Wired remote controller type> 1. Before troubleshooting 1) Required tools/instruments • + and – screwdrivers, spanners, radio cutting pliers, nippers, push pins for reset switch • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check ...
  • Page 110 (a) Outline of Judgment A primary judgment to detect cause of error exists on the indoor unit or outdoor unit is performed in the following procedure. <Judgment by flashing display on the indoor unit display part> The indoor unit monitors operating status of the air conditioner, and if a protective circuit works, contents of the self-diagnosis are displayed with a block restricted to the following cases on the indoor unit display part.
  • Page 111 2. Troubleshooting procedure When a trouble occurred, check the parts along with the following procedure. Trouble → → → → → Confirmation of check code by service mode → → → → → Check defective position and parts. NOTE : For cause of a trouble, power conditions or malfunction/erroneous diagnosis of microcomputer due to outer noise is considered except the items to be checked.
  • Page 112 (c) Self-diagnosis with remote controller With the indoor unit control, self-diagnosis of protective circuit action can be done by turning the remote controller operation into service mode, operating the remote controller, observing the remote controller indicators and checking whether TIMER lamp flashes (5 Hz). NOTE : •...
  • Page 113 <Self-diagnosis by check codes> 1. The self-diagnosis by the check codes is conducted under the block displays. 2. Remote controller key operation under the service mode is conducted by ON/OFF or TEMP . The remote controller display by each key operation is varied as shown below. Two digit number is displayed in a hexa- decimal number.
  • Page 114 14-2. Troubleshooting with CHECK Display of Remote Controller 14-2-1. In case of main remote controller/sub-remote controller A RBC-AM1E RBC-AS1E 1. Operation for CHECK display When pushing the CHECK switch, the indoor unit No. (Group address No.) which sends the check code is displayed at the right side of the set up TEMP .
  • Page 115 2. Reading of CHECK monitor display <7 segment display> Hexadecimal notation Decimal notation <Display on CHECK monitor> CHECK UNIT FILTER FILTER sign Indoor unit No. CHECK code <FILTER data> (Example) Case that Filter signal is sent from No.1 and No.16 units under group operation UNIT UNIT FILTER...
  • Page 116 14-2-2. Remote controller with timer RBC-AM1E 1. Operation for CHECK display When pushing the CHECK switch, the indoor unit No. (Group address No.) which sends the check code is displayed in the set up temp. display section, and check code is displayed in the TIME display section. If FILTER display (air filter cleaning sign) is present, the indoor unit No.
  • Page 117 2. Reading of CHECK monitor display <7 segment display> Hexadecimal notation Decimal notation <FILTER data> (Example) Filter signal is sent from No.1 and No.15 units under grouping operation FILTER FILTER CHECK CHECK UNIT UNIT <CHECK data> CHECK Unit No. UNIT Check code detected at first Check code detected at last Room temp.sensor of No.1 is defective.
  • Page 118: Central Remote Controller

    14-2-3. Central remote controller 1. Operation for CHECK display When pushing the CHECK switch, the indoor unit No. (Network address No.) including the check data is displayed in the UNIT No. display section, and the check code is displayed in the set up temp. display sec- tion.
  • Page 119 14-3. Check Code Table Error mode detected by indoor unit (1) Operation of diagnostic function Judgment and measures Block Check Status of air Cause of operation Condition display code conditioner [MODE] The serial signal is not output Operation Displayed when 1.
  • Page 120 Error mode detected by indoor unit (1) Operation of diagnostic function Judgment and measures Block Check Status of air Cause of operation Condition display code conditioner [MODE] lamp Error in indoor fan system All stop Displayed when 1. Check indoor fan motor connector 5Hz flash error is detected circuit (CN210).
  • Page 121 Error mode detected by outdoor unit Operation of diagnostic function Judgment and measures Check Status of air Cause of operation Condition code conditioner Inverter over-current protective All stop Displayed when 1. Inverter immediately stops even if restarted. circuit operates. error is detected •...
  • Page 122 Between (Black lead) and (Red lead) CN300 of motor winding of connector (CN301) • For RAV-SM560AT-E, CN300 changes to CN301, and CN301 to CN300, respectively. The status that there is 5k to 20k resistance values between (Yellow lead) and (Pink lead) of motor position detection of connector (CN300, CN302) is normal.
  • Page 123 Is DC310 to 340V applied between terminals Replace IPDU. of electrolytic capacitor of IPDU main circuit? * For RAV-SM560AT-E, replace control P.C. board. * For RAV-SM560AT-E, check case thermo. Is DC310 to 340V Replace IPDU. power supplied to CDB?
  • Page 124 Check and correct circuit. Are characteristics of TC sensor resistance value normal? * For RAV-SM560AT-E, * Refer to Characteristics-2. check control P.C. board. Replace TC sensor. Check CDB P.C. board. Check indoor main P.C. board Check CDB P.C.
  • Page 125 [0d error] Is connection of TC sensor connector Correct connection of connector. (Indoor P.C. board CN05) normal? Are characteristics of Replace TC sensor. TC sensor resistance value normal? * Refer to Characteristics-2. Check indoor P.C. board (MCC-1370A). Defect Replace [0F error] Is connection of TCJ sensor connector Correct connection of connector.
  • Page 126 [99 error] Is inter-unit cable of Correct inter-unit cable A, B and C normal? of remote controller. Is there no disconnection or Correct connection of connector. contact error of connector? Check circuit cables. Is individual (1 : 1) operation? Is unit set to No.1? Set the unit to No.1.
  • Page 127 [11 error] Turn off the breaker once. Turn on the breaker after approx. 10 seconds. Does fan stop when operation stopped? Is DC1V or more voltage applied between 5 + and 3 – of the Replace indoor fan motor. motor connector (CN210)? Start the operation with cooling mode [L (Low)].
  • Page 128 [11 error] Indoor fan starts rotating by inserting receptacle. P.C. board CN210 [Check output voltage (DC) of P.C. board fan motor.] 6 (Blue) Yellow 5 (Yellow) 4 (White) Measure the voltages of the motor connector CN210 Pin 3 (GND (minus): Black) and Pin 5 (V line (plus): Yellow) 3 (Black) Black under condition that indoor fan rotates.
  • Page 129 Check and correct circuit cables. Are connections of Correct connection of connector. cabling/connector normal? Check and correct reactor connection. * For RAV-SM560AT-E, check RY01 on the control P.C. board. Is not “14” errors output Does RY01 relay of when an operation is performed by...
  • Page 130 Are connections of Correct connection of connector. TE/TS sensor connectors of CDB CN604/CN605 normal? * (For RAV-SM560AT-E, CN600 TE sensor and CN603 TS sensor) Are characteristics of TE/TS sensor Replace TE and TS sensors. resistance values normal? * Refer to Characteristics-3.
  • Page 131 Check TE and TS sensors. Replace Does electron expansion valve normally operate? Check electron expansion valve. Replace Check IPDU and CDB. * For RAV-SM560AT-E, check control P.C. board. Defect Replace Defect Replace [1E error] Correct the cabling and Is protective control such as...
  • Page 132 TD, TO, TC sensor resistance and TC sensors. values normal? * Refer to Characteristics-3 and 4. Check charged refrigerant amount. Check CDB. Check liquid/gas valves. Check abnormal overload. Defect Replace * For RAV-SM560AT-E, check control P.C. board. – 131 –...
  • Page 133 14-5. Simple Check Method for Main Parts 14-5-1. Indoor unit Part name Check procedure Temperature sensor (Ta) Measure the resistance value with tester by removing the connector. Heat exchanger sensor (Tc) (Normal temperature) Heat exchanger sensor (Tcj) Normal value 10 kΩ to 20 kΩ Refer to Characteristics table.
  • Page 134 Relational graph of temperature sensor resistance value and temperature TA sensor TC, TCJ sensor Caracteristics-2 Caracteristics-1 Resistance Resistance (k ) (k ) –10 Temperature [˚C] Temperature [˚C] TE, TO, TS sensor Caracteristics-3 Resistance Resistance (k ) (k ) (10˚C or higher) (10˚C or lower) Temperature [˚C] TD sensor...
  • Page 135 Resistance Resistance (K ) (10˚C or higher) (K ) TH sensor Caracteristics-5 –30 –20 –10 Temperature [ºC] – 134 –...
  • Page 136: Detachments

    15. DETACHMENTS 15-1. Indoor Unit RAV-SM560UT-E, SM800UT-E Part name Procedure Remarks Suction grille REQUIREMENT Never forget to put on the gloves at disassembling work, otherwise an injury will be caused. Knob of suction grille 1. Detachment 1) Stop operation of the air conditioner, and then turn off switch of the breaker.
  • Page 137 Part name Procedure Remarks 1. Detachment Adjust corner 1) Perform work of item 1. of 2) Remove screws at 4 corners of the suction port. (Ø4 x 10, 4 pcs.) 3) Push the knob outward and remove the Screw adjust corner cap by sliding it. 2.
  • Page 138 Part name Procedure Remarks 1. Detachment Control P .C. board 1) Perform works of items 1 of and 1 of 2) Remove connectors which are con- nected from the control P .C. board to other parts. CN33 : Flap motor (5P: White) CN34 : Float switch (3P: Red) Card-edge spacer CN41 : Terminal block of remote...
  • Page 139 Part name Procedure Remarks 1. Detachment Fan motor 1) Perform works of items 1 of and 1 of Screws fixing electric parts box 2) Remove clamps of the lead wires con- nected to the following connectors of the control P .C. board. CN33 : Flap motor (5P: White) CN34 : Float switch (3P: Red) CN68 : Drain pump (3P: Blue)
  • Page 140 Part name Procedure Remarks 1. Detachment Drain pan 1) Perform works of items 1 of , 1 of and 1 of 2) Remove clamps of the lead wires con- nected to the following connectors of the control P .C. board. CN34 : Float switch (3P: Red) CN68...
  • Page 141 Part name Procedure Remarks 1. Detachment Drain pump assembly 1) Perform works of items 1 of , 1 of Slide to hose side. 1 of , 1 of and 1 of 2) Picking the hose band, slide it from pump connecting part to remove the drain hose.
  • Page 142 Part name Procedure Remarks Heat exchanger 1. Detachment 1) Recover refrigerant gas. 2) Remove refrigerant pipe at the indoor unit side. 3) Perform works of items 1 of , 1 of Fixing screws 1 of , 1 of and 1 of 4) Remove screws fixing the pipe cover.
  • Page 143 15-2. Replacement of Distributor Assembly RAV-SM560UT-E 1. Cutting of Capillary Tube A capillary tube ( 023 : Inner diameter 2mm, Length 1000mm) is brazed to a distributor assembly. Cut and divide the tube to each length as shown below. Ref No. No.
  • Page 144 RAV-SM800UT-E 1. Cutting of Capillary Tube A capillary tube ( 025 026 : Inner diameter 2mm, Length 1000mm) is brazed to a distributor assembly. Cut and divide the tube to each length as shown below. Ref No. No. of capillary tubes Cutting 100 mm : 1 pc.
  • Page 145 15-3. Replacement of Main Parts <Built-in type> RAV-SM560BT-E, SM800BT-E Be sure to turn off the power supply before disassembling work. Item Procedure Electric parts box 1) Remove the electric parts box. (Supplement: Refer to How to remove Electric parts fixing screw the electric parts box.) In this time, remove connectors of TA sensor, TC sensor, and TCJ sensor, if...
  • Page 146 AID-P710BH, P800BH, P1120BH Be sure to turn off the power supply before disassembling work. Item Procedure Electric parts box 1) Remove the electric parts box. (Supplement: Refer to How to remove the electric parts box.) In this time, remove connectors of TA sensor, TC sensor, and TCJ sensor, if necessary.) Electric parts...
  • Page 147 [SUPPLEMENT] How to remove the electric parts box Electric parts box The electric parts box is fixed to the indoor unit with claws at the rear side. Lift up it once and pull toward you. Then claws come off. Hook Procedure 2 Remove these two screws to remove the electric parts box.
  • Page 148 15-4. Replacements of Main Parts <Hi-Wall type> 15-4-1. Indoor Unit Part name Procedure Remarks  Front panel 1) Stop operation of the air conditioner, and turn off the power supply. Installation board 2) Push “PUSH” part at the lower side of the front Front panel panel, and then take off claws of the front panel from the installation board.
  • Page 149 Part name Procedure Remarks ‚ Electric parts 6) Take off fixing screw (1 position) of the electric Tjc sensor position box assembly parts base, and then pull out the electric parts (Tube is attached to Tcj sensor.) base toward you. 7) Pull out Tc sensor and Tcj sensor from sensor holder of the heat exchanger.
  • Page 150 Part name Procedure Remarks …  Fan motor 1) Perform work of item ƒ 2) Perform work of item 3) Loosen set screw of the cross flow fan from the discharge port. 4) Remove the bushing (right). Bushing (right) Set screw Push this part upward Cross fan...
  • Page 151 15-4.2. Replacement Procedure of Service Main P.C. Board Replacement Procedure of Indoor Control P.C. Board (AIK-PXXXH series, SIK-PXXXH series) For this indoor control P .C. board [AIK/SIK-P SERVICE] corresponding to the common P .C. boards, follow to this replacement procedure when replacing P .C. board. (When using SIK-PXXXH series, P .C.
  • Page 152 [Mounting] In case of AIK-PXXXH series 1. As same as P .C. board before replacement, attach a cable (Black) which is screwed to the electric parts box to CN240 without using a cable (Black) attached previously to CN240 of the service P .C. board. CN204 Cable (Remove a cable...
  • Page 153 <Parts layout of service P.C. board> CN213 display part CN04 temp. sensor CN05 heat exchanger CN240 Label Jumper SW03: TA shift CN230 P.C. board (MCC-1370A) CN231 CN223 Jumper – 152 –...
  • Page 154 15-5. Outdoor Unit RAV-SM560AT-E Part name Procedure Remarks  Common procedure CAUTION Valve Never forget to put on the gloves at cover working time, otherwise an injury will be caused by the parts, etc. 1. Detachment 1) Stop operation of the air conditioner, and turn off the main switch of the breaker for air conditioner.
  • Page 155 Part name Procedure Remarks ‚ 1. Detachment Front cabinet Motor support  1) Perform work of item 1 of 2) Remove screws (ST1T Ø4 x 10L, 2 pcs.) of the front cabinet and the inverter cover. 3) Take off screws of the front cabinet and the bottom plate.
  • Page 156 Part name Procedure Remarks ƒ 1. Detachment Inverter Screws  assembly 1) Perform work of item 1 of 2) Take off screws of the upper part of the front cabinet. • If removing the inverter cover under this Front cabinet condition, P .C.
  • Page 157 Part name Procedure Remarks „ Control P .C. 1) Disconnect lead wires and connectors board assembly connected from the control P .C. board assembly to other parts. 1. Lead wires Take off earth screws. • Connection with the power terminal block: 3 wires (Black, White, Orange) •...
  • Page 158 Part name Procedure Remarks …  ‚ ƒ Rear cabinet 1) Perform works of items 1 of 2) Take off fixed screws for the bottom plate. (ST1T Ø4 x 10L, 3 pcs.) 3) Take off fixed screws for the heat ex- changer.
  • Page 159 Part name Procedure Remarks ‡  Compressor 1) Perform works of items 1 of ‚ ƒ „ … Partition plate 2) Discharge refrigerant gas. 3) Remove the partition plate. (ST1T Ø4 x 10L, 2 pcs.) 4) Remove the noise-insulator. 5) Remove the terminal covers of the compressor, and disconnect lead wires of the compressor and the compressor thermo assembly from...
  • Page 160 Part name Procedure Remarks ‰ 1. Detachment Pulse Modulating  ‚ Valve (PMV) coil 1) Perform works of items Positioning extrusion PMV body 2) Release the coil from the concavity by turning it, and remove coil from the PMV. 2. Attachment 1) Put the coil deep into the bottom position.
  • Page 161 RAV-SM800AT-E Part name Procedure Remarks  Common procedure CAUTION Never forget to put on the gloves at working time, otherwise an injury will be caused by the parts, etc. Front cabinet 1. Detachment 1) Stop operation of the air conditioner, and also turn off switch of the breaker.
  • Page 162 Part name Procedure Remarks ‚ 1. Detachment Discharge port  cabinet 1) Perform work of item 1 of Side cabinet 2) Take off screws (ST1T Ø4 x 10L, 3 pcs.) of discharge port cabinet for the partition plate. 3) Take off screws (ST1T Ø4 x 10L, 2 pcs.) of Inverter discharge port cabinet for the bottom plate.
  • Page 163 Part name Procedure Remarks „  Inverter 1) Perform works of items of 1) to 5) of assembly 2) Take off screw (ST1T Ø4 x 10L, 1 pc.) of Screw the upper left part of the inverter cover. • If removing the inverter cover under this Inverter assembly condition, P .C.
  • Page 164 Part name Procedure Remarks … Control P .C. 1) Remove the inverter box from P .C. board base. Inverter box (Metal sheet) board 2) Disconnect lead wires and connectors con- assembly nected from the control P .C. board assembly to other parts.
  • Page 165 Part name Procedure Remarks †  Fan motor 1) Perform works of items 1) to 5), 7) of 2) Remove the flange nut fixing the fan motor and the propeller fan. Flange • Loosen the flange nut by turning clock- wise.
  • Page 166 Part name Procedure Remarks †  ‚ ƒ „ Compressor 1) Perform works of items , and … Motor base 2) Evacuate refrigerant gas. 3) Disconnect the connector for fan motor from the inverter. 4) Take off screws fixing the motor base to the bottom plate.
  • Page 167 Part name Procedure Remarks ˆ  „ Reactor 1) Perform works of items 1 of 2) Take off screws fixing the reactor. Partition plate (Ø4 x 10L , 2 pcs. per one reactor. Screws An outdoor unit has two reactors on the partition plate.) Reactor ‰...
  • Page 168 Part name Procedure Remarks Š 1. Detachment Fan guard  „ Discharge 1) Perform works of items 1 of port cabinet 2) Remove the air flow cabinet, and put it down so that the fan guard side directs Bell mouth downward.
  • Page 169: Exploded Views And Parts List

    16. EXPLODED VIEWS AND PARTS LIST 16-1. Indoor Unit 4-Way Air Discharge Cassette Type RAV-SM560UT-E/RAV-SM800UT-E CODE No. SET DATA UNIT No. SETTING TEST R.C. UNIT 215,216,217, 218,221,222 203,204 211,212,213, 214,219,220 227,228 Location Location Part Description Part Description 43121703 Pump, Drain, ADP-1409, 43194078 Nut, Flare, 5/8 IN, Ø15.88 220-240V...
  • Page 170 Location Part Description 43060750 Terminal Block, 3P 43050382 Sensor, TC (F6) 43150297 Sensor, TC 43160445 Terminal Block, 2P, 1A, AC30V 4316V188 P.C. Board Ass’y, MMC-1402 – 169 –...
  • Page 171 Concealed Duct Type RAV-SM560BT-E/RAV-SM800BT-E 230,231 202,203 210,211,214, 215,218,219 212,213,216, CODE No. SET DATA UNIT No. 217,220,221 SETTING TEST R.C. 224,225 UNIT 208,209 206,207 Location Location Part Description Part Description 43120149 Fan, Multi Blade 43049697 Bonnet, Ø6.35 4314J100 Refrigeration Cycle Ass’y 43047609 Bonnet, Ø9.52 4314J101...
  • Page 172 Location Part Description 43060750 Terminal Block, 3P 43050382 Sensor, TC (F6) 43150299 Sensor, TA 43160445 Terminal Block, 2P, 1A, AC30V 4316V189 P.C. Board Ass’y, MCC-1403 (220-240V) 43158180 Transformer, TT-09 (AC220-240V) – 171 –...
  • Page 173 RBC-U21PG(W) - E Location Location Part Description Part Description 43409164 Panel, PS-HI100 43407116 Grille, Catch, ABS 43480010 Air Filter, ABS 43409168 Grille, Air, Inlet 43407120 Outlet, Air Form, PS-F 43409182 Cover, Panel Ass’y, PS-HI100 4302C029 Motor, Louver, MP24GA 43407123 Fix, Motor, ABS 43409173 Louver, ABS 43460108...
  • Page 174 High-Wall Type RAV-SM560KRT-E/RAV-SM800KRT-E Location Location Part Description Part Description 43T00355 Front Panel Ass’y 43T19003 Holder, Sensor 43T00356 Grille Ass’y 43T49009 Spring 43T80014 Air Filter, (L) 43T49036 Plate, EVA, Seal 43T80013 Air Filter, (R) 43T49039 Holder, Plate EVA, Seal (U) 43T80003 Filter, Frame 43T49038 Plate EVA, Seal (D)
  • Page 175 RAV-SM560KRT-E/RAV-SM800KRT-E Location Location Part Description Part Description 43T60047 Terminal, 3P 43T69347 P .C. Board, Ass’y, MCC- 1370A, MCC-1370B 43T60320 Terminal, 3P (SM800KRT-E) 43T60321 Terminal, 2P 43T69325 P .C. Board, Ass’y, AI, MCC- 43T50304 Temperature Sensor, TC, TCJ 1337 43T69005 Sensor, Thermostat, TA 43T69066 P .C.
  • Page 176 16-2. Outdoor Unit RAV-SM560AT-E INVERTER 13,14 Location Location Part Description Part Description 43146617 Solenoid, Coil, LB64045 43105037 Cabinet, Front, PCM 43046385 Valve, Pulse, Modulating, 43100239 Cabinet, Back, PCM SKV-18D26 43042468 Base, Ass’y 43046394 Coil, PMV, DKV- 43005508 Cabinet, UP , PCM...
  • Page 177 TE Sensor TS Sensor TO Sensor TD Sensor Location Part Description 43050334 Sensor, TD (F4), TD Sensor 43050382 Sensor, TC (F6), TC Sensor 43062228 Base, P .C. Board, ABS 43160469 Terminal Block, 6P, AC250V, 20A 4316V182 P.C. Board Ass’y, MCC-813 –...
  • Page 178 RAV-SM800AT-E 21,22 34 24 16,17 Location Location Part Description Part Description 43191634 Cabinet, Air Outled 43046348 Coil, Solenoid, VHV-01A150A1 43191636 Cabinet, Front, Ass’y 43046385 Valve, Pulse, Modulating, 43191635 Cabinet, Side, Ass’y SKV-18D26 43191637 Panel, Upper 43046386 Coil, PMV, 43005489 Guard, Fin DKV-MO25743BO 43191630 Guard, Fan, PP-K...
  • Page 179 INVERTER COVER 708,709 TO Sensor TE Sensor TS Sensor TD Sensor INVERTER BOX 703,705 Location Part Description 43050334 Sensor, TD (F4), TD Sensor 43050382 Sensor, TC (F6), TC Sensor 43160469 Terminal Block, 6P , AC250V, 20A 43162042 Base, P .C. Board, ABS 4316V183 P .C.
  • Page 180 RAV-SM560XT-E/RAV-SM800XT-E Location Location Part Description Part Description 43T09312 Air Inlet Grille 43T09314 Vertical Louver 43T00357 Panel Arm Ass’y 43T49303 Pipe Holder 43T00361 Front Panel Ass’y 43T19304 Cover Body L 43T00358 Front Panel Ass’y 43T19305 Cover Body R 43T01004 Mark 43T19306 Cover Body LD 43T79303 Drain Band...
  • Page 181 Location Part Description 43T69311 P.C. Board 43T69312 P.C. Board 43T69313 P.C. Board 43T69314 P.C. Board 43T50004 Temperature Sensor – 180 –...
  • Page 182: Cord Heater Installation Work

    Appendix CORD HEATER INSTALLATION WORK Applicable Models: RAV-SM560AT-E, RAV-SM800AT-E 1. Required parts for installation work (Recommendation) Part name Q’ty Specifications/Vendor Remarks Cord heater Drain line heaters CSC2 (SM560 : 1.5m, 40W/m, SM800 : 2.0m, Procured locally 40W/m) by Flexelec com. (Please go to the following URL.) http://www.flexelec.com...
  • Page 183 Appendix 2. Required tools for installation work Part name Specifications Usage Plus screwdriver It is used for disassembling and assembling of each cabinet. Wrench It is used for disassembling and assembling of compressor fixing nuts. Motor drill Drill diameter: It is used to make the additional holes on the base or the back cabinet. Ø3.2 and Ø5.0 Faston crimping tool Fixing jig for #250...
  • Page 184 * If the drain port is frozen due to installation status, etc., draw around the cord heater so that the end part of the heater is inserted into the drain port. In this case, add some fixing positions to fix the cord heater surely. <RAV-SM560AT-E> <RAV-SM800AT-E>...
  • Page 185 As shown in the below figure, drill a hole on the parrtition or back cabinet for fixing the thermostat fixing plate. Ø5 hole at two positions When drilling a hole on the back cabinet, be sure not to damage the cabinet. <RAV-SM560AT-E> <RAV-SM800AT-E> Partition Back cabinet Perform end process and bundling of each cable.
  • Page 186 Appendix 5. Drawing of thermostat fixing plate 2-Ø3.4 burring hole 2-Ø3 burring hole (Upward) (Downward) Ø3.4 burring hole (Downward) Material: SGCC-Z08, Thickness: 0.8t Appendix-5...

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