SERVICE MANUALSPLIT-TYPE, HEAT PUMP AIR CONDITIONERSSPLIT-TYPE, AIR CONDITIONERSNOTE:• This manual describes only service data of the indoor units.• R
10Thermistor TH2Pipe temperature(Liquid)Distributorwith strainer (#50/#50)Thermistor TH5(Cond./ Eva.temperature)Thermistor TH1(Room temperature)Refrig
11<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
12• "CHECK" lights, and refrigerant address "00" flashes.• Check that the remote controller's display has stopped before c
13[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
14•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
159-3. SELF-DIAGNOSIS ACTION TABLENote: Refer to the manual of outdoor unit for the details of display such as F, U, and other E.Error CodeAb
16Error CodeAbnormal point and detection method CauseCountermeasureP6Freezing/overheating protection is work-ing1 Freezing protection (Cooling mode)Th
17Error CodeAbnormal point and detection method CauseCountermeasureP9Pipe temperature thermistor/ Condenser-Evaporator (TH5)1 The unit is in 3-minute
18E6E7Error CodeAbnormal point and detection method CauseCountermeasureFbE1orE21 Contact failure, short circuit or, miswiring (converse wiring) of ind
199-4. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller.PhenomenaCauseCoun
21REFERENCE MANUALService Ref.Service Manual No.PUHZ-P200/250YHA3OCH424/OCB424PUHZ-RP35/50/60/71VHA4PUHZ-RP100/125/140VKAPUHZ-RP100/125/140/200/250YKA
20Note: Refer to the manual of outdoor unit for the detail of remote controller.(3)Upward/downward vane performance failure1 The vane is
219-5. EMERGENCY OPERATION 9-5-1. When wireless remote controller fails or its battery is exhausted 9-5-2. When wired remote controller or indoor uni
229-6. HOW TO CHECK THE PARTSPKA-RP35HAL PKA-RP50HALParts name Check pointsDisconnect the connector then measure the resistance using a tester.(At the
239-6-2. DC Fan motor (fan motor/indoor controller circuit board)Notes · High voltage is applied to the connecter (CNMF) for the fan motor. Pay attent
24{9-7. TEST POINT DIAGRAMIndoor controller boardPKA-RP35HAL PKA-RP50HAL CN51Centrally controlCN44Pipe temperature thermistor1-2 : Liquid (TH2)3-4 : C
25SW1Setting by the dip switch and jumper wireFunctionsJumper wireModelsettingsCapacitysettingsPair numbersetting withwirelessremotecontrollerRemarksS
2610SPECIAL FUNCTIONNote:· When the unit is restarted to operate after turning off the power or OFF operation,the unit which was operationg will start
27• System constraint· This function is available only in cooling mode.[2nd stage cut-in function]··· Request code number "322~324"Start ope
28(2) Setting method of each function by wired remote controllerB: Refrigerant addressC: Data display areaD: Request code display areaTESTCHECKFILTER
29DISASSEMBLY PROCEDURE11PKA-RP35HAL PKA-RP50HALBe careful when removing heavy parts.PushPushDownBe carefulnot to damage the airflow adjustmentplate w
3SAFETY PRECAUTION2Cautions for units utilising refrigerant R410A2-2. CAUTIONS RELATED TO NEW REFRIGERANTUse new refrigerant pipes.Make sure that the
304. REMOVING THE ELECTRICAL BOX(1) Remove the front panel. (Refer to 2.)(2) Remove the electrical box covers. (See Photo 3)(3) Remove the nozzle asse
315. REMOVING THE NOZZLE ASSEMBLY (with VANE and VANE MOTOR) AND DRAIN HOSE(1) Remove the front panel (Refer to 2.).(2) Remove the electrical box cov
HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPANCCopyright 2009 MITSUBISHI ELECTRIC ENGINEERING CO., LTD.Distributed in
4GravimeterUnit[3] Service tools Use the below service tools as exclusive tools for R410A refrigerant. No. Tool name
5ON/OFF TEMPFANVANETEST RUNAUTO STOPAUTO STARThminLOUVERMODECHECKRESETSET CLOCKMODEL SELECTNOT AVAILABLECHECKTEST RUN°CAMPMAMPMVANE CONTROL buttonUs
6SPECIFICATIONS4Cooling0.040.40Heating0.030.30Single phase, 50Hz, 230VMunsell 1.0Y 9.2/0.2Plate fin coilLine flow fan (direct) % 10.0309-10.5-12 (320-
75NOISE CRITERION CURVES* Measured in anechoic room.PKA-RP35, 50HAL36 - 40 - 43Sound level dB (A)Sound level at anechoic room : Low-Middle-High1.0m1.0
8OUTLINES AND DIMENSIONS6Min.7250mm or greater with optionaldrain pump installation. Required space (Indoor unit)Min.50Min.220Min.150550mm or greater
9WIRING DIAGRAM7PKA-RP35HAL PKA-RP50HALSymbolNameSymbolNameI.B Indoor controller boardFUSE FUSE(T3.15AL250V)ZNR01,02VaristorDSA Surge absorberCN2L Con
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