Mitsubishi PKA-RP50GAL Service Manual

SERVICE MANUALCONTENTS1. TECHNICAL CHANGES... 22. REFERENCE MANUAL... 23. SAFET

10Single phase, 50Hz, 230VMunsell 0.70Y8.59/0.97Plate fin coilLine flow (direct) x 10.0309-10-11-12(318-353-388-424)0(direct blow)<0.73>Wireless

11116 NOISE CRITERION CURVES90807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUSNOISENC-60NC-50NC-40NC-30N

127OUTLINES AND DIMENSIONSINDOOR UNIT PKH-P35GALH PKA-RP35GAL PKA-RP35GAL#1 PKH-P50GALH PKA-RP50GAL PKA-RP50GAL#1Unit : mmBYOFFON STANDHEATC

13INTAKECN20(RED)LIQUIDCN21(WHT)PIPECN29(BLK)1 21 21 21 31 31 3 1 2TH5TH1TH2REMOCONCN22(BLU)1 221TB5R.BTB621TRANSMISSION WIRES DC12VSWEONOFFSW2 SW1LED

149REFRIGERANT SYSTEM DIAGRAMPipe temperature thermistor/liquid(TH2)Distributorwith strainer#50Condenser/evaporatortemperature thermistor(TH5)Room tem

1510 TROUBLESHOOTING<Error code display by self-diagnosis and actions to be taken for service (summary)>Present and past error codes are logged

16• "CHECK" lights, and refrigerant address "00" flashes.• Check that the remote controller's display has stopped before c

17[Output pattern A] Errors detected by indoor unit[Output pattern B]E9*1 If the beeper does not sound again after the initial 2 beeps to confirm the

18•If the unit cannot be operated properly after test run, refer to the following table to find the cause.SymptomCauseWired remote controller LED 1, 2

1910-3. SELF-DIAGNOSIS ACTION TABLENote: Refer to the manual of outdoor unit for the details of display such as F, U, and other E.Error CodeA

212-1. OUTDOOR UNIT’S SERVICE MANUAL2-2. TECHNICAL DATA BOOK2REFERENCE MANUALTECHNICAL CHANGESPKA-RP35GAL PKA-RP35GAL#1PKA-RP50GAL PKA-RP50GAL#1INDOOR

20Error CodeAbnormal point and detection method CauseCountermeasureP6Freezing/overheating protection is work-ing1 Freezing protection (Cooling mode)Th

21Error CodeAbnormal point and detection method CauseCountermeasureP9Pipe temperature thermistor / Condenser-Evaporator (TH5)1 The unit is in 3-minute

22E6E7Error CodeAbnornal point and detection method CauseCountermeasureFbE1orE2PA Forced compressor stop (due to water leakage abnormality)1 When the

2310-4. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller. (For the separ

24Note: Refer to the manual of outdoor unit for the detail of remote controller.(3)Upward/downward vane performance failure1 The vane is

2510-5. EMERGENCY OPERATION 10-5-1. When wireless remote controller troubles or its battery is exhausted 1. Emergency operation is available in such

26132231RedWhiteBlackRelay connectorProtectorOFF:125±5°CON :79±15°COrangeRedPinkYellow Brown BlueMParts name Check pointsMeasure the resistance

2710-7. TEST POINT DIAGRAM10-7-1. Indoor controller boardPKA-RP35GAL PKA-RP35GAL#1 PKH-P35GALHPKA-RP50GAL PKA-RP50GAL#1 PKH-P50GALHCN2DConnect to

2810-7-2. Indoor power boardPKA-RP35GAL PKA-RP35GAL#1 PKH-P35GALHPKA-RP50GAL PKA-RP50GAL#1 PKH-P50GALHCNSKConnect to the indoor controller board (CNDK

29SW1Setting by the dip switch and jumper wireFunctionsJumper wireModelsettingsCapacitysettingsPair numbersetting withwirelessremotecontrollerFor serv

3Cautions for units utilizing refrigerant R407C3-2. CAUTIONS RELATED TO NEW REFRIGERANTDo not use the existing refrigerant piping.The old refrigerant

3011SPECIAL FUNCTIONNote:· When the uint is restarted to operate after turning off the power or OFF operation, the unit which was operating will start

313111-1-2. How to set rotation function(Back-up function, 2nd stage cut-in function)You can set these functions by wired remote controller.(Maintenan

32(2) Setting method of each function by wired remote controllerB: Refrigerant addressC: Data display areaD: Request code display areaTESTCHECKFILTER

333312DISASSEMBLY PROCEDUREOPERATION PROCEDUREPHOTOS & ILLUSTRATION1. REMOVE THE LOWER SIDE OF THE INDOOR UNIT FROM THE INSTALLATION PLATE. (1) R

34OPERATION PROCEDUREPHOTOS & ILLUSTRATION(Photo 5)(Photo 6)(Photo 7)(Photo 8) 8. REMOVING THE ELECTRICAL PARTS BOX (1) Remove the terminal block

3510. REMOVING THE LINE FLOW FAN (1) Remove the terminal block cover. (2) Remove the front panel.(see the photo 1) (3) Remove the electrical parts

36 13. REMOVING the SIGNAL RECEIVING P.C. BOARD (1) Remove the terminal block cover. (2) Disconnect the connector <yellow> for the wireless

3737STRUCTURAL PARTSPKH-P35GALH, PKA-RP35GALPKH-P50GALH, PKA-RP50GAL1123456789101112131415BACK PLATECORNER COVERUNDER COVERFRONT PANELSCREW CAPVANE SL

38R01 E48 480T7W E56 480R01 09Y 114R01 07Y 114R01 07Y 102R01 005 103R01 07Y 106T7W A00 675R01 07Y 524R01 07Y 527R01 07Y 530R01 09Y 038R01 07Y 038R01 0

39—T7W A14 716T7W E23 716R01 588 255T7W E40 310——R01 E02 313R01 E02 239—R01 71G 215—R01 E58 202T7W E05 202R01 E02 202R01 07Y 130R01 64K 700T7W E13 300

4[2] Refrigerant recharging (1) Refrigerant recharging process 1Direct charging from the cylinder. ·R407C cylinder are available on the market

40R01 E70 480T7W H36 480R01 E21 114R01 E22 114R01 08Y 102R01 E04 103R01 08Y 106T7W A01 675R01 08Y 524R01 08Y 527R01 08Y 530R01 10Y 038R01 08Y 038R01 0

4141From the preceding page.Part number that is circled is not shown in the figure.No.Parts No. Parts NameSpecifi cationsPKH- PKA-Remarks(Drawing No.)W

42STRUCTURAL PARTSPKH-P35GALH, PKA-RP35GAL, PKA-RP35GAL#1PKH-P50GALH, PKA-RP50GAL, PKA-RP50GAL#1141314 151223687911510No.Parts No. Parts NameSpe

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HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPANCCopyright 2005 MITSUBISHI ELECTRIC ENGINEERING CO., LTD.Distributed in

5Cautions for units utilizing refrigerant R410ACAUTIONS RELATED TO NEW REFRIGERANTUse new refrigerant pipes.Make sure that the inside and outside of r

6No. Tool name Specifications1Gauge manifold·Only for R410A·Use the existing fitting specifications. (UNF1/2)·Use high-tension side pressure of 5.3MPa

774 PART NAMES AND FUNCTIONS Indoor UnitAir intakeAir intake grilleFilterAir outletGuide vaneAuto vaneDownloaded from AC-Manual.com Manuals

8 Wireless remote controller When cover is open.ON/OFF TEMPFANVANETEST RUNAUTO STOPAUTO STARThminLOUVERMODECHECKRESETSET CLOCKMODEL SELECTNOT AVAIL

995SPECIFICATIONSkWAAkW*/min(CFM)Pa(mmAq)dBmm(in.)mm(in.)mm(in.)mm(in.)kg(lbs)Service Ref.ModePower supply(phase, cycle, voltage) Input Running cur