Mitsubishi Electric PAC-IF012B Technical Manual
  1. Manuals
  2. Brands
  3. Mitsubishi Electric Manuals
  4. Heat Pump
  5. PAC-IF012B
  6. Technical manual

Mitsubishi Electric PAC-IF012B Technical Manual

Air to water (atw) heat pump, interface (i/f) and flow temp. controller (ftc)
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Air to Water (ATW) Heat pump,
Interface (I/F) and Flow temp. controller (FTC)
Technical manual
CONTENTS
1. What is ATW heat pump? .......................................................2
2. Heat pump unit_General information ...................................4
3. System design ......................................................................15
4. Inter face (I / F) ........................................................................23
5. Flow temp. controller (FTC) .................................................55
6. Requirements........................................................................90
7. System example ...................................................................91
February 2010

Advertisement

Table of Contents
loading

Related Manuals for Mitsubishi Electric PAC-IF012B

Summary of Contents for Mitsubishi Electric PAC-IF012B

  • Page 1 February 2010 Air to Water (ATW) Heat pump, Interface (I/F) and Flow temp. controller (FTC) Technical manual CONTENTS 1. What is ATW heat pump? ............2 2. Heat pump unit_General information ........4 3. System design ..............15 4. Inter face (I / F) ................23 5.
  • Page 2 What is ATW heat pump? 1-1. Compare with conventional fossil fuel boiler • Heat pumps produce water at 30°C – 60°C • Ideal for underfl oor heating • Average underfl oor heating circuit 35°C • Fossil fuel boilers heat water to 80°C •...
  • Page 3 Hex for PUHZ-W85VHA (ACH30-40Plates) Secondary (Water - side) Flow rate (L/min) Pressure Loss (kPa) 12.5 18.8 26.2 Pressure loss (kPa) 30.0 25.0 20.0 15.0 10.0 Flow rate (L/min) Hex for PUHZ-W112, 140VHA / YHA (ACH50-50Plates) Secondary (Water - side) Flow rate (L/min) Pressure Loss (kPa) 10.9 19.3...
  • Page 4 Heat pump unit_General information 2-1. Line-up 2-1-1. Outdoor unit for Air to water (1) Packaged type: The Air to Water outdoor unit with a plate HEX (refrigerant-water) inside Connectable models Capacity Packaged models ZUBADAN-Packaged models ( HP ) 1-phase 3-phase 1-phase 3-phase PUHZ-W50VHA...
  • Page 5 2-1-3. Reference manual Type Model name Parts catalog Outdoor unit Service Parts catalog manual cased PAC-IF011B-E OCB427 PUHZ-W50VHA PCB only PAC-IF010-E — PUHZ-W85VHA cased PAC-IF021B-E OCB427 PUHZ-HW112YHA PCB only PAC-IF020-E — PUHZ-HW140VHA OCH439 OCB439 PUHZ-HW140YHA PUHZ-RP60VHA3#1 PUHZ-RP71VHA3#1 PUHZ-RP100VHA3#1 PUHZ-RP125VHA2#2 PUHZ-RP140VHA2#2 PUHZ-RP100YHA3#1 OC374 OC374...
  • Page 6 (1) PUHZ-HRP • V/YHA2 Plate heat exchanger Outdoor unit ALFA LAVAL Model name PUHZ-HRP71VHA2 ACH50 Power supply 1[, 230V, 50Hz (Phase, Voltage, Frequency) A: 50 mm Water OUT Ref.IN Breaker size B: 466 mm (Heating) Nominal water fl ow L/min 22.9 Heating Capacity...
  • Page 7 (2) PUHZ-RP • VHA3/YHA3(2) Plate heat exchanger Outdoor unit ALFA LAVAL Model name PUHZ-RP60VHA3#1 ACH50 Power supply 1[, 230V, 50Hz (Phase, Voltage, Frequency) A: 50 mm Water OUT Ref.IN Breaker size B: 466 mm (Heating) Nominal water fl ow L/min 20.1 Capacity 6.80...
  • Page 8 Outdoor unit Plate heat exchanger PUHZ-RP100VHA3#1 / ALFA LAVAL Model name PUHZ-RP100YHA3#1 ACH50 Power supply 1[, 230V, 50Hz / (Phase, Voltage, Frequency) 3[, 400V, 50Hz A: 50 mm Breaker size 32 / 16 Water OUT Ref.IN B: 466 mm (Heating) Nominal water fl...
  • Page 9 [ 2 ] Standard operation data <Split> Reference data (connect to Plate HEX) (1) PUHZ-HRP • V/YHA2 ACH50-50 plates Cooling Heating Cooling Heating Cooling Heating Mode (A35/W7) (A7/W35) (A35/W7) (A7/W35) (A35/W7) (A7/W35) Capacity 7,100 8,000 10,000 11,200 12,500 14,000 Input 2.20 1.82 3.67...
  • Page 10 (2) PUHZ-RP • VHA3/YHA3(2) ACH50-30 plates ACH50-50 plates Cooling Heating Cooling Heating Cooling Heating Mode (A35/W7) (A7/W35) (A35/W7) (A7/W35) (A35/W7) (A7/W35) Capacity 6,000 7,000 6,600 8,000 9,100 11,200 Input 2.31 1.63 2.59 1.90 3.31 2.66 PUHZ-RP100VHA3#1/ Outdoor unit PUHZ-RP60VHA3#1 PUHZ-RP71VHA3#1 PUHZ-RP100YHA3#1 Phase, Hz 1, 50...
  • Page 11 ACH50-50 plates Cooling Heating Cooling Heating Mode (A35/W7) (A7/W35) (A35/W7) (A7/W35) Capacity 12,000 14,000 12,500 16,000 Input 5.10 3.37 5.38 4.10 PUHZ-RP125VHA2#2/ PUHZ-RP140VHA2#2/ Outdoor unit PUHZ-RP125YHA2#2 PUHZ-RP140YHA2#2 Phase, Hz 1 / 3, 50 1 / 3, 50 Voltage 230 / 400 230 / 400 Current 22.4 / 7.6...
  • Page 12 [ 4 ] Capacity correction curves (Refrigerant piping length) Cooling and heating capacity is lowered according to pipe length. Capacity can be obtained by referring to the capacity curves below. Cooling Heating Heating Cooling 60 models Cooling 71 model Cooling 100 model Cooling 125 model Cooling 140 model Note: The permitted pipe length is up to 55m for RP 60, 71 model.
  • Page 13 • Mitsubishi Electric shall not be liable for any damage to the entire system or the AHU main body caused by connected AHU with wrong specifi cation or wrong usage of AHU.
  • Page 14 • The water velocity in pipes should be kept within certain limits of material to avoid erosion, corrosion and excessive noise generation. Be aware, and take care of , that local velocities in small pipes, bends and similar obstructions can exceed the values of previous page.
  • Page 15 System design 3-1. System type * with step I/F by digital/analog signals * with FTC simple/basic/analog temp. Application Capacity control Model name Type Manufacturer PAC-IF010-E * PCB only Local controller Individual installer PAC-IF011B-E Cased Air to Air Manufacturer PAC-IF010-E * PCB only STEP I/F Individual installer...
  • Page 16 By our FTC Your system is Heat Pump switch ON/OFF and the operation mode By remote controller SIMPLE SYSTEM. change is done… (FTC) By external signals from local controller (non-voltage contact signals) Your system is By remote controller ‘Target flow temperature’ is set… BASIC SYSTEM.
  • Page 17 application start Variable capacity capacity By local request signals for Analog signals controller Heat Pump is (0-10v/4-20mA…) protocol is... (your side) calculated... digital step Your system is (non-voltage contact) ANALOG STEP SYSTEM (IF) Your system is DIGITAL STEP By our IF SYSTEM (IF) Your system is...
  • Page 18 3-4. Wiring diagram (1) PAC-IF011B-E(I/F)
  • Page 19 (2) PAC-IF021B-E(FTC)
  • Page 20 3-5. PCB diagram (Test point ) (1) PAC-IF011B-E, PAC-IF010-E CN20 LED2~5 LED1 Thermistor (TH1) Power supply TB61 1-2 Thermistor (TH1) TB61 3-4 Thermistor (TH2) CN21 Thermistor (TH2) TB61 5-6 Thermistor (TH5) CN29 Thermistor (TH5) CN2P Adjustable resistor TB62 1-2 Adjustable resistor CN2A 4-20mA/1-5V/0-10V TB62 3-4...
  • Page 21 (2) PAC-IF021B-E(FTC), PAC-IF020-E FTC/outdoor unit CN20 LED2,3 connecting Thermistor (TH1) TB61 1-2 Thermistor (TH1) TB61 3-4 Thermistor (TH2) CN21 Thermistor (TH2) TB62 3-4 4-20mA/1-5V/0-10V CN2A 4-20mA/1-5V/0-10V TB62 5-6 Wired remote controller CN22 Wired remote controller CNX2 CNX4 CNX6 CN82 CN53 Error Output Defrost Output Mode(Heating/Heating...
  • Page 22 3-6. Specifi cation of connectors Please connect wiring with either of the terminal bed or the connector. Parts on the PCB are different depending on the model. PCB ONLY Cased PAC-IF010-E PAC-IF011B-E PAC-IF020-E PAC-IF021B-E Parts on PCB Parts on PCB TERMINAL BED CONNECTOR TERMINAL BED...

  • Page 23: Table Of Contents

    Inter face (I /F) CONTENTS 1. System outline .................. 24 2. System structure ................24 3. Power supply ..................28 4. Connecting thermistor............... 30 5. Interface controller switch setting ............. 31 6. Input specifi cations ................32 7. Output specifi cations ................ 33 8.

  • Page 24: System Outline

    1. System outline With PAC-IF011B-E, local units can be connected with the outdoor units manufactured by MITSUBISHI ELECTRIC. The commands, such as Remote switch, Varistor, 4-20mA/1-5V/0-10V and etc., allow the inverter outdoor unit to operate, to stop and to switch capacity.
  • Page 25 Note: • REMOTE SWITCH Type A (4bit - 8 setting) / Type B (1bit -1 setting) Step for capacity setting * TB142 TB142 TB142 TB142 Remark Type A Type B 10-11 10-12 10-13 10-14 TypeA TypeB (COM-IN5) (COM-IN6) (COM-IN7) (COM-IN8) [OFF] [OFF] At site...
  • Page 26 System structure (2) Outdoor unit capacity switch System diagram Power supply specifications 4-20mA Power supplied from outdoor unit A transmission line/Power line Intake temp. Power supply for interface Capacity switch of outdoor Liquid pipe temp. controller is supplied from the unit according to the signal outdoor unit.
  • Page 27 Interface controller specifications Interface controller Other functions/setting Connection with Attachment of sensor switch setting Maintenance BMS/MELANS Input and wiring Output and wiring Refer to 7. Refer to 8, 9. Not available Refer to 4. SW1-1:ON Refer to 6. SW1-2:ON Pipe-thermistor/ SW1-3:OFF 2-phase might be SW6-1:ON...

  • Page 28: Power Supply

    3. Power Supply Interface controller is applicable to both methods of interface unit power supplied from outdoor unit, and of separate interface unit/outdoor unit power supplies. Choose one according to the site. (Photo. 3-1) A Inlet for control cable B Inlet for power C Clamp D Interface / Outdoor unit connecting terminals E Earth terminal...
  • Page 29 3.2. Separate interface unit/outdoor unit power supplies The following connection patterns are available. The outdoor unit power supply patterns vary on models. Outdoor unit power supply Earth leakage breaker Wiring circuit breaker or isolating switch Outdoor unit Interface unit/outdoor unit connecting cables Interface unit Interface unit power supply CNS2...

  • Page 30: Connecting Thermistor

    4. Connecting thermistor TB61 4.1 Connecting thermistor cable Connect the thermistor for the interface controller. When the thermistor cables are too long, cut it to the appropri- ate length. Do not bind it in the interface unit. 1. Target temp. thermistor (TH1) Connect the thermistor for the target temp.

  • Page 31: Interface Controller Switch Setting

    < Thermistor for lower temperature > <Thermistor Characteristic graph> Target temperature thermistor (TH1) Thermistor for lower temperature Pipe temperature thermistor/liquid (TH2) Pipe temperature thermistor / 2-phase (TH5) Thermistor R0 =15k" ± 3% Fixed number of B =3480 ± 2% Rt =15exp { 3480 ( –...

  • Page 32: Input Specifi Cations

    6. Input specifi cations Demand control is available by external input. It is possible to set the outdoor unit’s power consumption by setting the switch of the interface controller. • REMOTE SWITCH Type A (4bit - 8 setting) / Type B (1bit -1 setting) TB142 TB142 TB142...

  • Page 33: Output Specifi Cations

    • External function setting This function is to set operation mode or to stop compressor by the external signal. TB142 Item Remark 1-2 (IN1) Forced Comp. OFF Normal Forced Comp. OFF 3-4 (IN2)Item Fixed operation mode Cooling Heating Available when SW2-1 and SW2-2 are ON Cable length : Maximum 10m Remote switch : Minimum applicable load DC12V, 1mA Caution:...

  • Page 34: Led Display Detail

    8. LED Display detail Setting SW3 allows to switch the LED display. LED1 : Power supply LED2~4 : Setting SW3 switches the display SW3-1 SW3-2 SW3-3 Display detail [Display detail A] Details of LED display LED display LED2 Power supply for remote controller OFF : Power is not supplied.

  • Page 35: Maintenance Information

    9. Maintenance information Connecting wired remote controller (PAR-21MAA) enables to display the error information. Note: In case of using for ATW, the refrigerant leakage defection function of the outdoor unit is not available. 9.1. Connecting wired remote controller Turn off the power supply. TB62 : Connect the wired remote controller wire to No.
  • Page 36 9.3. How to proceed "self-diagnosis" 9.3.1. When a Problem Occurs During Operation If a problem occurs in the air conditioner, the indoor and outdoor units will stop, and the problem is shown in the remote controller display. [CHECK] and the refrigerant address are displayed on the temperature display, and the error code and unit number are displayed alternately as shown below.
  • Page 37 When the error history is reset, the display will look like the one shown below. Press the button twice within 3 seconds. The self-diagnosis ON/OFF However, if you fail to reset the error history, the error content will be displayed address or refrigerant address will blink.
  • Page 38 9.3.3. Malfunction-diagnosis method by remote controller Refer to the following tables for details on the check codes. Errors detected by indoor unit Check code Symptom Remark Intake sensor error Pipe (TH5) sensor error Pipe (TH2) sensor error E6,E7 Interface controller/outdoor unit communication error Freezing/Overheating protection operation Communication error between indoor and outdoor units Pipe temperature error...
  • Page 39 • If the unit cannot be operated properly after test run, refer to the following table to find the cause. Symptom Cause Wired remote controller LED 1, 2 (PCB in outdoor unit) For about 2 • For about 2 minutes following power-on,op- After LED 1, 2 are lighted, LED 2 is PLEASE WAIT minutes after...
  • Page 40 Error code indication You can check an error code on both 1 and 2. 1 LCD display on remote controller 2 2-digit LED indicator on outdoor unit PCB (For SPLIT type outdoor unit, this LED indicator is optional parts.PAC-SK52ST) SELF-DIAGNOSIS ACTION TABLE * The 2-digit LED indicator on outdoor unit PCB can display indoor side error as well.
  • Page 41 Abnormal point and detection method Countermeasure Error Code Cause Freezing/overheating protection is (Cooling or drying mode) (Cooling or drying mode) working 1 Clogged fi lter (reduced airfl ow) 1 Check clogs of the fi lter. 1 Freezing protection (Cooling mode) 2 Short cycle of air path 2 Remove shields.
  • Page 42 Error Code Abnormal point and detection method Case Judgment and action Remote controller transmission error 1 Contact failure at transmission 1 Check disconnection or looseness of (E0)/signal receiving error (E4) wire of remote controller Interface unit or transmission wire of remote 1 Abnormal if main or sub remote controller 2 All remote controllers are set controller.
  • Page 43 Abnormal point and detection method Judgment and action Error Code Case Interface unit/outdoor unit 1 Contact failure, short circuit * Check LED display on the outdoor control communication error (Signal receiving or, miswiring (converse wiring) circuit board. (Connect A-control service tool, error) of Interface unit/outdoor unit PAC-SK52ST.)
  • Page 44 9.3.4. HOW TO "MONITOR THE OPERATION DATA" • Turn on the [Monitoring the operation data] Example) Request code "004" Discharge temperature 69 Refrigerant address "00" A: Maintenance mode B: Refrigerant address C: Data display area D: Request code display area (1) Press the button for 3 seconds so that [ Maintenance mode] appears on the screen (at TEST...
  • Page 45 9.4. Request code list * Certain interface/outdoor combinations do not have the request code function; therefore, no request codes are displayed. Description Request content Unit Remarks (Display range) Operation state Refer to 9.4.1. Detail Contents in Request Code. – Compressor-Operating current (rms) 0 –...
  • Page 46 Description Request content Unit Remarks (Display range) Interface unit-Control state – Refer to 9.4.1.Detail Contents in Request Code. Outdoor unit-Control state – Refer to 9.4.1.Detail Contents in Request Code. Compressor-Frequency control state Refer to 9.4.1.Detail Contents in Request Code. – Outdoor unit-Fan control state –...
  • Page 47 Description Request content Unit Remarks (Display range) Error history 1 (latest) Displays error history. (" - - " is displayed if no history is present.) Code Error history 2 (second to last) Displays error history. (" - - " is displayed if no history is present.) Code Error history 3 (third to last) Displays error history.
  • Page 48 9.4.1 Detail Contents in Request Code Example) Request code "004" Discharge temperature 69 Refrigerant address "00" A: Maintenance mode display B: Refrigerant address C: Data display area D: Request code display area [Operation state] (Request code ": 0 ") Relay output state Power currently Data display Display...
  • Page 49 [Fan control state] (Request code :" 53 ") Data display Fan step correction value by heatsink temperature overheat prevention control Fan step correction value by cool condensation temperature overheat prevention control Display Correction value - (minus) – 1 [Actuator output state] (Request code :"54") Data display Actuator output state Actuator output state...
  • Page 50 [Contact demand capacity] (Request code "61") Setting content Data display Setting Display Setting value Setting content SW7-1 SW7-2 100% [External input state] (Request code "62") Input state : Input present Data display Contact demand Silent mode Spare 1 Spare 2 Display Input state input...
  • Page 51 [Outdoor unit switch setting display (SW1 to SW10, except SW3)] Request codes: 73 to 82 0: Swich OFF 1: Swich ON 0: Swich OFF 1: Swich ON SW1, SW2, SW6, SW7 Data display Data display 00 00 00 00 00 01 00 01 00 02 00 02...

  • Page 52: Central Control

    10. Central control When connected with the outdoor unit, M-NET converter and A-control sub Interface can be connected to MELANS and BMS, which enables the central control available. As for the demand control setting, the central control is not available in the fi xed capacity mode. However, with the wired remote controller method (Auto step mode), the central control is available.

  • Page 53: Outlines And Dimensions

    11. Outlines and dimensions Unit : mm 11.5 (11.5) 2-HOLES (FOR INSTALLATION) TB142 TB141 5 HOLES Ø (FOR INSTALLATION) 3-ELECTRIC WIRE INLET...

  • Page 54: Troubleshooting

    12. Troubleshooting ■ These sounds can be heard when refrigerant is fl owing in the indoor A flowing water sound or occasional hissing unit, refrigerant pipe or when the refrigerant is charging. sound is heard. ■ Clean the fi lter of water piping. (Flow is reduced when the fi lter is dirty Water does not heat or cool well.
  • Page 55 Flow temp. controller (FTC) CONTENTS 1. System ....................56 2. Electrical work................... 58 3. Before test run .................. 65 4. Remote controller operation ............. 66 5. Initial setting by remote controller ............. 74 6. Defi nition of analog signal by remote controller ........ 76 (Required only for ANALOG TEMP.

  • Page 56: System

    1. System To start, check your system type by following the fl ow chart below. (FTC can be used for 3 types of systems.) Start Heat Pump switch ON/OFF Your system is By remote controller and the operation mode SIMPLE SYSTEM. change is done…...
  • Page 57 Refer to the relevant sections for details according to your system type. System Outdoor System diagram Power Thermistor Switch External External unit supplies (TH1, TH2) setting input output Outdoor unit 2.2.1 2.5.1 SPLIT type BASIC 2.1.1 2.2.2 Local controller ON/OFF Remote controller MODE (PAR-W21MAA)

  • Page 58: Electrical Work

    2. Electrical work 2.1. FTC (Photo. 2-1) 1. Remove the cover. 2. Wire the power cable and control cable separately through the respective wiring inlets given in the photo. • Make sure to put screws tightly. A Inlet for control cable B Inlet for power C Clamp D FTC / Outdoor unit connecting terminals...
  • Page 59 2.1.2. Separate FTC unit/outdoor unit power supplies The following connection patterns are available. The outdoor unit power must be powered properly (Details are shown in its installation manual). Outdoor unit power supply Earth leakage breaker C Wiring circuit breaker or isolating switch D Outdoor unit FTC unit/outdoor unit connecting cables FTC unit...
  • Page 60 2.2. Connecting thermistor cable TB61 Connect the thermistor 2 for the FTC controller. 2.2.1. Connecting the actual fl ow water temp. thermistor (TH1) Connect the thermistor for the actual fl ow water temp. to 1 and 2 on the terminal block (TB61) on the FTC controller. When the thermistor cables are too long, cut them at the appro- priate length.
  • Page 61 2.3. Connecting the wired remote controller 2.3.1. Connecting the wired remote controller cable to FTC Connect the wired remote controller cable to 5 and 6 on the ter- minal block (TB62) on the FTC controller. (Photo. 2-4) Wiring wire No. × size (mm ) : 2 ×...
  • Page 62 2.4. Switch setting of FTC Set the dip switch on the FTC (PCB) according to the following table. System ON/OFF Change mode Change TEMP. Outdoor unit *4 SW1-1 SW1-2 SW1-5 SW1-6 SW6-1 SW6-2 Input Input Input BASIC External input External input DIP switch on PCB SPLIT type (non-voltage contact)
  • Page 63 SW2-1~8 SW3-1~3 Fixed set temperature with DIP switch of FTC (Available when SW1-6 is ON) SW2-1~3 Fixed set temperature for Heating mode (Table1~2 depends on SW1-7,8.) SW2-1 SW2-2 SW2-3 Table1 Table2 25 ºC 25 ºC 30 ºC 30 ºC 35 ºC 35 ºC 40 ºC 40 ºC...
  • Page 64 2.5.2 EXTERNAL INPUT ( analog signal ) 4-20mA / 1-5V / 0-10V Connect the transmission cables to No. 3 and 4 on the terminal block (TB62). At site No. 3 on the terminal block (TB62) : Plus side No. 4 on the terminal block (TB62) : Minus side (Reference side) 4-20mA/1-5V/0-10V Switch setting Wired remote controller...

  • Page 65: Before Test Run

    2.7. Wiring specifi cation of External output / External input Locally supplied parts Item Name Model and specifi cations External output function External output signal wire Use sheathed vinyl coated cord or cable. Max. 50m Wire type : CV, CVS or equivalent Wire size : Stranded wire 0.5mm to 1.25mm Solid wire: {0.65mm to {1.2mm...

  • Page 66: Remote Controller Operation

    4. Remote controller operation 4.1 Parts name ■ Wired Remote-Controller Display Section For purposes of this Day-of-Week explanation, all parts of Shows the current day of the week. the display are shown. “Locked” indicator During actual operation, Time/Timer Display only the relevant items Indicates that remote Shows the current time, unless will be displayed.
  • Page 67 <Screen confi guration> Function Selection of For details on setting the language for the remote controller dis- Set Day/Time remote controller play, refer to 4.6. Function Selection. TIME SUN The initial language setting is English. ● Function Selection of remote controller: Set the functions and ranges available to the remote controller (timer functions, operating restrictions, etc.)
  • Page 68 4.3.2. Mode select ) button 2 and select operation mode. Press operation mode ( Heating mode (Space heating) Heating ECO mode (Space heating with weather compensation *1) Hot water mode (Sanitary hot water) Anti freeze mode (Heating to prevent water pipe from freezing) ˚C ˚C Cooling mode...
  • Page 69 4.4.2. Error Codes indication ERROR CODE ON lamp ON/OFF (Blinking) Error Code Indoor Unit No. Indoor Unit’s Refrigerant Address Alternating Display If you have entered contact number to be called in the event of a problem, the screen displays this number. (You can set this up under Function Selection of remote controller.
  • Page 70 [Function selection flow chart] Setting language(English) Hold down the ( ) button and press the ( ) button for 2 seconds. Normal display Hold down the ( ) button and press the ( ) button for 2 seconds. Change Dot display Language English Germany...
  • Page 71 [Detailed setting] [4]-3 Mode selection setting [4]-1 CHANGE LANGUAGE setting (1) Remote controller main/sub setting The language that appears on the dot display can be selected. • To switch the setting, press the [ ON/OFF] button D. • Press the [ MENU] button G to change the language.
  • Page 72 [Dot display table] Selecting language English German Spanish Russian Italian French Swedish Waiting for start-up Operation mode Heating Heating ECO Hot water Anti-freeze Cooling Stand by (Hot adjust) Defrost Not use button Check (Error) Test run Self check Change language Language selection Display change Temperature display ˚C/˚F setting...
  • Page 73 [Dot display table] Selecting language English German Spanish Russian Italian French Swedish Auto off timer Colective setting Heating Water temperature (Initial setting) Heating ECO Hot water Anti-freeze Cooling Option setting(Heating) Option setting(Cooling) Water circuit check Waiting for response Waiting for setting Not dealt with Maintenance...

  • Page 74: Initial Setting By Remote Controller

    5. Initial setting by remote controller ˚C ˚C TEMP. ON/OFF (1) Press the button for 3 seconds to activate the initial setting mode. INITIAL SETTING (2) [DISPLAY WATER TEMP WATER TEMP WATER TEMP WATER TEMP WATER TEMP WATER TEMP TEMP OFFSET TEMP OFFSET HEATING HEATING ECO...
  • Page 75 <Temperature OFFSET setting> This setting is to adjust the difference between the actual fl ow water temperature at the refrigerant-water heat exchanger outlet and the temperature sensed by TH1 which tends to be lower due to heat leakage from water piping. HEATING mode T(a)=Actual Flow water temp.(outlet side)

  • Page 76: Defi Nition Of Analog Signal By Remote Controller

    6. Defi nition of analog signal by remote controller (Required only for ANALOG TEMP. system) Set following 2 parameters to assign the target temperature value to analog signal figures. (1) Press button for 3 seconds to activate this setting mode. INITIAL SETTING (2) [DISPLA FLOW TEMP.

  • Page 77: Troubleshooting

    7. Troubleshooting ■ These sounds can be heard when refrigerant is fl owing in the indoor unit, A fl owing water sound or occasional hissing sound is heard. refrigerant pipe or when the refrigerant is charging. ■ Clean the fi lter of water piping. (Flow is reduced when the fi lter is dirty or Water does not heat or cool well.
  • Page 78 Error code indication You can check an error code on both 1 and 2. 1 LCD display on remote controller 2 2-digit LED indicator on outdoor unit PCB (For SPLIT type outdoor unit, this LED indicator is optional parts.PAC-SK52ST) * The 2-digit LED indicator on outdoor unit PCB can display indoor side error as well. [ 1 ] SELF-DIAGNOSIS ACTION TABLE Error Code Abnormal point and detection method...
  • Page 79 Error Code Abnormal point and detection method Cause Countermeasure Remote controller transmission error 1 Contact failure at transmission 1 Check disconnection or looseness of FTC or (E0)/signal receiving error (E4) wire of remote controller transmission wire of remote controller. 1 Abnormal if main or sub remote con- 2 All remote controllers are set 2 Set one of the remote controllers “main”, If troller cannot receive any transmission...
  • Page 80 Error Code Abnormal point and detection method Case Judgment and action FTC/outdoor unit communication error 1 Contact failure of FTC/outdoor 1 Check disconnection or looseness of FTC/ (Signal receiving error) unit connecting wire outdoor unit connecting wire of FTC or out- (Outdoor unit) 2 Defective communication circuit door unit.
  • Page 81 [ 2 ] HOW TO "MONITOR THE OPERATION DATA" • Turn on the [Monitoring the operation data] Example) Request code "004" Discharge temperature 69 Refrigerant address "00" A: Maintenance mode B: Refrigerant address C: Data display area PAR-W21MAA (2)(6) D: Request code display area (1) Press the TEST button for 3 seconds so that [ Maintenance mode] appears on the screen (at...
  • Page 82 [ 3 ] Request code list * Certain FTC/outdoor combinations do not have the request code function; therefore, no request codes are displayed. Description Request content Unit Remarks (Display range) Operation state Refer to Detail Contents in Request Code. – Compressor-Operating current (rms) 0 –...
  • Page 83 Description Request content Unit Remarks (Display range) FTC unit-Control state – Refer to Detail Contents in Request Code. Outdoor unit-Control state – Refer to Detail Contents in Request Code. Compressor-Frequency control state Refer to Detail Contents in Request Code. – Outdoor unit-Fan control state –...
  • Page 84 Description Request content Unit Remarks (Display range) Error history 1 (latest) Displays error history. (" - - " is displayed if no history is present.) Code Error history 2 (second to last) Displays error history. (" - - " is displayed if no history is present.) Code Error history 3 (third to last) Displays error history.
  • Page 85 Detail Contents in Request Code Example) Request code "004" Discharge temperature 69 Refrigerant address "00" A: Maintenance mode display B: Refrigerant address C: Data display area D: Request code display area [Operation state] (Request code ": 0 ") Relay output state Power currently Data display Display...
  • Page 86 [Fan control state] (Request code :" 53 ") Data display Fan step correction value by heatsink temperature overheat prevention control Fan step correction value by cool condensation temperature overheat prevention control Display Correction value - (minus) – 1 [Actuator output state] (Request code :"54") Data display Actuator output state Actuator output state...
  • Page 87 [Contact demand capacity] (Request code "61") Setting content Data display Setting Display Setting value Setting content SW7-1 SW7-2 100% [External input state] (Request code "62") Input state : Input present Data display Contact demand Silent mode Spare 1 Spare 2 Display Input state input...
  • Page 88 [Outdoor unit switch setting display (SW1 to SW10, except SW3)] Request codes: 73 to 82 0: Swich OFF 1: Swich ON 0: Swich OFF 1: Swich ON SW1, SW2, SW6, SW7 Data display Data display 00 00 00 00 00 01 00 01 00 02 00 02...

  • Page 89: Outlines And Dimensions

    8. Outlines and dimensions Unit : mm 11.5 (11.5) 2-HOLES (FOR INSTALLATION) TB142 TB141 2-Ø5 HOLES (FOR INSTALLATION) 3-ELECTRIC WIRE INLET WIRED REMOTE CONTROLLER...
  • Page 90 Requirements 6-1. For functional parts 6-1-1. Thermistor position Refer to section 4. Interface or 5. Flow temp. controller for detail. (1) I / F : PAC-IF011B-E (cased), PAC-IF010-E (PCB only) Terminal "TH1" Terminal "TH2" Terminal "TH5" Application Capacity Control Water HEX target temp.
  • Page 91 System example 1. Air to Water application (1) Domestic Hot Water + Space heating by radiator with packaged outdoor unit + FTC *variable capacity request signals for Heat Pump is calculated by FTC. Note: When connecting a fl ow sensor (fl ow switch), select the fl ow sensor according to the fl ow rate and the delay time. 1) System outline * DHW cylinder unit * TRV(Thermostatic Radiator Valve)
  • Page 92 (2)-1. Space heating by under fl oor heating with split outdoor unit + HYDROBOX + FTC *variable capacity request signals for Heat Pump is calculated by FTC. Note: When connecting a fl ow sensor (fl ow switch), select the fl ow sensor according to the fl ow rate and the delay time. 1) System outline * Under Floor Heating HYDRO BOX (locally supplied)
  • Page 93 (2)-2. Domestic Hot Water + space heating by under fl oor heating with split outdoor unit + HYDROBOX + IF *variable capacity request signals for Heat Pump is calculated by local system controller. Note: When connecting a fl ow sensor (fl ow switch), select the fl ow sensor according to the fl ow rate and the delay time. 1) System outline * Under Floor Heating HYDRO BOX(locally supplied)
  • Page 94 2. Air to Air application Air-Handling Unit with split outdoor unit + IF *variable capacity request signals for Heat Pump is calculated by IF. 1) System outline PAR-21MAA Air-Handling Unit (locally supplied) Remote Controller *system (for user interface) controller (PCB) Refrigerant pipe Outlet Air Split...
  • Page 96 Air to Water (ATW) Heat pump, Interface (I/F) and Flow temp. controller (FTC) Technical manual HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN Revised publication, Feb. 2010 New publication effective Jun. 2008 Issued in Jun. 2008 M-P0398A SIZ<MEE> Specifi...
  • Page 97 Related Links Model Number: PAC-IF012B M Series and Mr Slim Optional Parts PAC-IF012 Parts Catalogue OCB427B PAC-IF012B Technical Manual PAC-IF012 Installation Manual BH79D099H02 PAC-IF012B Declaration of Conformity...

Table of Contents