Mitsubishi Electric PUHZ-HRP Manual de servicio

SERVICE MANUALSPLIT-TYPE, AIR TO WATER HEAT PUMPNo. OCH466 CONTENTS 1. SAFETY PRECAUTION ...2 2. SPECIFICATI

105 WIRING DIAGRAMPUHZ-HRP200YKACN2(WHT)771P. B .221221CN4(WHT)CN5(RED)WHTFUSE1FUSE2WHTREDREDMS3~POWERSUPPLY3N~400V 50HzINDOORUNITTB1L3L2L1NUUUUU312

11WIRING SPECIFICATIONS6FIELD ELECTRICAL WIRING (power wiring specifications)S1Power supply3 poles isolatorA-ControlIndoor UnitA-ControlOutdoor UnitIs

12INDOOR-OUTDOOR CONNECTING CABLE (HRP200) Cross section of cable Wire size (mm2) Number of wires Polarity L (m)*6Round2.5 3Clockwise : S1-S2-S3*Pay a

13REFRIGERANT SYSTEM DIAGRAM7DistributorThermistor TH7(Outdoor)Heat exchangerRefrigerantGAS pipeconnection(1 inch)RefrigerantLIQUID pipeconnection(3/8

14TROUBLESHOOTING8<Error code display by self-diagnosis and actions to be taken for service (summary)>Present and past error codes are logged an

158-2. CHECK POINT UNDER TEST RUNBefore test run• After installation of outdoor unit, piping work and electric wiring work, re-check that there is no

168-3. SELF-DIAGNOSIS ACTION TABLE<Abnormalities detected when the power is turned on>Error CodeAbnormal point and detection method CaseJudgment

17Error CodeAbnormal point and detection method Judgment and actionCaseEbMiswiring of Interface unit/Flow temp. controller-outdoor unit connecting wir

18Error CodeAbnormal point and detection method Judgment and actionU1High pressure (High-pressure switch 63H operated)Abnormal if high-pressure switch

19Error CodeAbnormal point and detection methodCaseJudgment and actionU5Temperature of heatsinkAbnormal if heatsink thermistor(TH8) detects 95:1 The o

2SAFETY PRECAUTION1Cautions for units utilizing refrigerant R410A1-2. CAUTIONS RELATED TO NEW REFRIGERANT1-1. ALWAYS OBSERVE FOR SAFETYBefore obtainin

20Error CodeAbnormal point and detection methodCaseJudgment and actionU8Outdoor fan motorAbnormal if rotational frequency of the fan motor is not dete

21UHCurrent sensor error or input current error• Abnormal if current sensor detects –1.0A to 1.0A during compressor operation. (This error is ignored

22Error Code Abnormal point and detection method Cause Judgment and actionE0orE4Remote controller transmission error (E0)/signal receiving error (E4)

23Error Code Abnormal point and detection method Judgment and actionCaseE9Interface unit/Flow temp. controller or outdoor unit communication error (T

24Error Code Abnormal point and detection method Cause Judgment and actionP1P2Actual fl ow water temperature thermis-tor (TH1)1 The unit is in 3-minut

25A fl owing water sound or occasional hissing sound is heard. These sounds can be heard when refrigerant and/or water is (are) fl owing in the indoor

26123456MGrayOrangeRedYellowBlackParts nameCheck pointsDisconnect the connector then measure the resistance with a tester. (At the ambient temperature

27Notes · High voltage is applied to the connecter (CNF1, 2) for the fan motor. Pay attention to the service. · Do not pull out the connector (CNF1, 2

288-6. HOW TO CHECK THE COMPONENTS<Thermistor feature chart>Low temperature thermistors• Thermistor <Liquid pipe> (TH3)• Thermistor <2-

29<Output pulse signal and the valve operation>(2) Linear expansion valve operationOpenExtra tightning (about 32 pulse)Pulse number500 pulseO

3[1] Cautions for service(1) Perform service after recovering the refrigerant left in unit completely.(2) Do not release refrigerant in the air.(3) Af

30Main bodyLead wireStopperCoil(3) How to attach and detach the coil of linear expansion valve<Composition>Linear expansion valve is separable i

318-7. TEST POINT DIAGRAMCommunication power supply D71 Voltage 24V DCCNSS1-S2: 220-240V ACCNAC2 to 4:Power supply for outdoor controller circuit boar

32Outdoor noise filter circuit boardPUHZ-HRP200YKALI1, LI2, LI3, NIPOWER SUPPLYLI1-LI2/LI-LI3/LI3-LI1 : AC380/400/415V inputLI1-NI/LI2-NI/LI3-NI : AC2

33Outdoor power circuit boardPUHZ-HRP200YKACN5Detection of primary current(Connect to the outdoor noise filter circuit board (CNCT))CN4Connect to the

34w1 Forced defrost should be done as follows.1 Change the DIP SW1-1 on the outdoor controller board from OFF to ON.2 Forced defrost will start by the

35SW6123 64745 8OFFONSW5-6123456OFFON123,4,563456123,4123456786ON OFFNo.Function Effective timingAction by the switch operationNo functionPower failur

36Special function(a) Low-level sound priority mode (Local wiring) Unit enters into Low-level sound priority mode by external signal input setting.

37<Display function of inspection for outdoor unit>The blinking patterns of both LED1 (green) and LED2 (red) indicate the types of abnormality w

38U2U7U1ULU8UdUFUPUHU6U3U4U5U9P1P2P9P6Indication ErrorErrorcode+1Outdoor controller boardContents Inspection methodLED1 (Green)LED2 (Red)3 blinking 1

39<Outdoor unit operation monitor function>[When optional part “A-Control Service Tool(PAC-SK52ST)” is connected to outdoor controller board(CNM

41-3. CAUTIONS FOR REFRIGERANT PIPING WORKTools for R410A (The following table shows whether conventional tools can be used or not.)Gauge manifoldChar

40SW2 setting1ON23456Display detailExplanation for displayUnitPipe temperature / Liquid(TH3) −40~90−40~90(When the coil thermistor detects 0: or be

41SW2 setting1ON23456Display detailExplanation for displayUnitPipe temperature / Liquid (TH3) on error occurring−40~90−40~90(When the coil thermistor

42SW2 setting1ON23456Display detailExplanation for displayUnitCapacity setting displayDisplayed as an outdoor capacity code.Codedisplay1ON234561ON2345

431ON23456°CDischarge superheat SHd0~255Cooling = TH4-T63HS Heating = TH4-T63HS0~255(When the temperature is 100°C or more, hundreds digit, tens di

44SW2 settingDisplay detailExplanation for displayUnit1ON23456%Capacity save0~255 When there is no setting of capacity save “100” is displayed

45SW2 settingDisplay detailExplanation for display Unit:Actual water temperature (TH1) on error occurring8~398~39:Pipe temperature / Liquid (TH2) on e

46SW2 settingDisplay detailExplanation for displayUnitThermo-on time until error stops0~9990~999(When it is 100 minutes or more, hundreds digit, tens

47PUHZ-HRP200YKAPhoto 4 3. Removing the electrical parts box (1) Remove the service panel. (See Photo 1.) (2) Remove the top panel. (See Photo 1.)

48Photo 5 4. Removing the thermistor <Outdoor 2-phase pipe> (TH6) (1) Remove the service panel. (See Photo 1.) (2) Remove the top panel. (See

49 7. Removing the 4-way valve coil (21S4) and linear expan-sion valve coil (LEV-A, LEV-B, LEV-C)(1) Remove the service panel. (See Photo 1.)(2) Remo

5SPECIFICATIONS22-1. SPECIFICATION2.-1-1. PUHZ-HRP200YKA<Reference data> Plate heat exchanger (ACH50-50 plates) *2pcs [connected in parallel]Nom

5011. Removing the compressor (MC)(1) Remove the service panel. (See Photo 1.)(2) Remove the top panel. (See Photo 1.)(3) Remove 2 front cover panel f

51Photo 10Power receiver leg fixing screwsPower receiverValve bed fixing screwsCompressorCompressor fixing nutsSeparator fixing screwSeparator 12. Re

HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPANCopyright 2009 MITSUBISHI ELECTRIC ENGINEERING CO., LTD.Distributed in

62-1-2. Outdoor unitMaximum outlet water temperature*1 Hot gas with 4-way valve*2 at distance of 1m from outdoor unit*3 grill*4 With the optional air

7DATA31.5m1mMICROPHONEUNITGROUND90807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUSNOISEOCTAVE BAND SOUND

83-3. Standard operation data Reference data (connect to Plate HEX)(ACH50-50 plates) o 2 pcs [connected in parallel]ModeCooling(A35/W7)Heating(A7/W35

9OUTLINES AND DIMENSIONS4Unit: mmPUHZ-HRP200YKAFOUNDATION30Service space15050050010The diagram below shows abasic example.Explanation of particular de