Mitsubishi Electric PUHZ-RP-KA Manual de servicio

SERVICE MANUALNo. OCH492INDOOR UNITREMOTE CONTROLLER(Option)[Service Ref.]PCA-RP71HAQPCA-RP125HAQ CONTENTS 1. REFERENCE MANUAL...

1090807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUSNOISENC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND

11CeilingLess thanLess thanor moreLess thanor moreor more300<Suspension bolt pitch>model:PAC-SG38KF-E (12pcs.)Filter element for the exchange1.U

12CeilingLess thanLess thanLess thanor moreor moreor moreAllowing clearancesRear wall(Gap to ceiling)NOTES.1. Use M10 or W3/8 screw for anchor bolt.2.

1313PCA-RP71HAQ PCA-RP125HAQBLUBLKWHTYLWBLUBLKWHTYLWORNORNC1REDRED134 115123112 12 12 121313 131123654321MF2MF1BLUYLWYLWORNBLKREDWHTWHTYLWBLKWHTYLWBL

14PCA-RP71HAQ PCA-RP125HAQPipe temperature thermistor/liquid(TH2)Distributorwith strainer#50Condenser/evaporatortemperature thermistor(TH5)Room temper

15<Error code display by self-diagnosis and actions to be taken for service (summary)>Present and past error codes are logged and displayed on t

169-2. SELF-DIAGNOSIS ACTION TABLENote: Refer to the manual of outdoor unit for the details of display such as F, U, and other E.Error CodeAb

17Error CodeAbnormal point and detection method CauseCountermeasureP6Freezing/overheating protection is oper-ating1 Freezing protection (Cooling mode)

18Error CodeAbnormal point and detection method CauseCountermeasureP9Pipe temperature thermistor / Condenser-Evaporator (TH5)1 The unit is in 3-minute

19E6E7Error CodeAbnormal point and detection method CauseCountermeasureFbE1orE2PA Forced compressor stop (due to water leakage abnormality)1 When the

21-1. OUTDOOR UNIT’S SERVICE MANUAL1-2. TECHNICAL DATA BOOK1REFERENCE MANUALNote:The phrase “Wired remote controller” in this service manual refers on

20 (For the separate indoor/outdoor unit power sup-ply system)1 Power supply of 220~240V AC is not supplied to indoor unit.2 The connectors of the o

219-4. WHEN WIRED REMOTE CONTROLLER OR INDOOR UNIT MICROPROCESSOR FAILS1. When the wired remote control or the indoor unit microprocessor has failed,

229-5. HOW TO CHECK THE PARTSPCA-RP71HAQ PCA-RP125HAQMeasure the resistance between the terminals with a tester. (Winding temperature 20)Fan motor(MF

239-6. TEST POINT DIAGRAM9-6-1. Power boardPCA-RP71HAQ PCA-RP125HAQCNSKConnect to the indoor controller board (CNDK)Between 1 to 3 220-240V ACCN2SCo

24–9-6-2. Indoor controller boardPCA-RP71HAQ PCA-RP125HAQFANFan motor outputCNPDrain-pump output(DP)(220~240V AC)CNCDew prevention heater (H2)(220~240

25SW1Setting by the dip switch and jumper wireFunctionsJumper wireModelsettingsCapacitysettingsPair numbersetting withwirelessremotecontrollerFor serv

26SPECIAL FUNCTION10Note:· When the unit is restarted to operate after turning off the power or OFF operation, the unit which was operating will start

272710-1-2. How to set rotation function (Back-up function, 2nd stage cut-in function)You can set these functions by wired remote controller. (Mainten

28(2) Setting method of each function by wired remote controllerB: Refrigerant addressC: Data display areaD: Request code display areaTESTCHECKFILTER

2929PCA-RP71HAQ PCA-RP125HAQ11DISASSEMBLY PROCEDURE1. Removing the oil filter(1) Slide the oil filter towards you to remove. (See Figure 1)OPER

33SAFETY PRECAUTION2Cautions for units utilising refrigerant R407C2-2. CAUTIONS RELATED TO NEW REFRIGERANTDo not use the existing refrigerant piping.T

OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS4. Removing the fan motor (1) Remove the oil filter. (See Figure 1)(2) Remove the control box cover. (S

Screw for under panel (left: 1)OPERATING PROCEDURE PHOTOS6. Removing the pipe temperature thermistor(1) Remove the oil filter. (See Figure 1)(2) Remo

OPERATING PROCEDURE PHOTOS9. Removing the guide vane(1) Remove the oil filter. (See Figure 1)(2) Remove the 3 filter rails. (See Photo 1, 4)(3) Remov

4[3] Service tools Use the below service tools as exclusive tools for R407C refrigerant.[2] Refrigerant recharging (1) Refrigerant recharging proces

5Cautions for units utilising refrigerant R410ACAUTIONS RELATED TO NEW REFRIGERANTUse new refrigerant pipes.Store the piping to be used during install

6[3] Service tools Use the below service tools as exclusive tools for R410A refrigerant.GravimeterUnitNo. Tool name Specifications1Gauge manifold · O

773PART NAMES AND FUNCTIONS Indoor (Main) UnitAir outletAir intakeOil filter (Air intake)+ It prevents oil from getting into the unit.Left/right gu

8 DisplayFor purposes of this explanation,all parts of the display are shown.During actual operation, onlythe relevant items will be lit.°F°C°F°CERROR

99SPECIFICATIONS4kWAAkW*/min(CFM)Pa(mmAq)dBmm(in.)mm(in.)mm(in.)mm(in.)kg(lbs)Service Ref.ModePower supply(phase, cycle, voltage) Input Running cur