Code Electronic A24 Service Manual

SERVICE MANUALSPLIT-TYPE, HEAT PUMP AIR CONDITIONERSSPLIT-TYPE, AIR CONDITIONERSNOTE:• This manual describes only service data of the indoor units.• R

10WIRING DIAGRAM7PKA-A24KA.TH PKA-A30KA.TH PKA-A36KA.TH PKA-A24KAL.TH PKA-A30KAL.TH PKA-A36KAL.THNotes:1.SymboIs used in wiring dia

11REFRIGERANT SYSTEM DIAGRAM8Thermistor TH2Pipe temperature(Liquid)Distributorwith strainer (#50/#100)Thermistor TH5(Cond./ Eva.temperature)Thermistor

12TROUBLESHOOTING9<Error code display by self-diagnosis and actions to be taken for service (summary)>Present and past error codes are logged an

1313[Output pattern A] Errors detected by indoor unit[Output pattern B]E9*1 If the beeper does not sound again after the initial2 beeps to confirm the

14•If the unit cannot be operated properly after the test run, refer to the following table to find out the cause.SymptomCauseWired remote controller

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 CodeAbn

16Error CodeAbnormal point and detection methodCauseCountermeasureP6Freezing/overheating protection is work-ingFreezing protection (Cooling mode)The u

17Error CodeAbnormal point and detection methodCauseCountermeasureP9Pipe temperature thermistor/Condenser-Evaporator (TH5)The unit is in 3-minute resu

18E6Contact failure, short circuit or,miswiring (converse wiring) ofindoor/outdoor unit connectingwireDefective transmitting receivingcircuit of outdo

19 (For the separate indoor/outdoor unit power sup-ply system)Power supply of 208/230V AC is not supplied toindoor unit.The connectors of the option

21REFERENCE MANUAL1-1. OUTDOOR UNIT SERVICE MANUALService Ref. Service Manual No.PUZ-A24/30/36NHA3PUZ-A24/30/36NHA3-BSPUY-A24/30/36NHA3PUY-A24/30/36NH

20Note: Refer to the manual of outdoor unit for the detail of remote controller.(3)Upward/downward vane performance failureThe vane is not do

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 PARTSParts name Check pointsVane motor (MV)Measure the resistance between the terminals using a tester. (Coil temperature 68&q

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

249-7. TEST POINT DIAGRAMIndoor controller boardPKA-A24KA.TH PKA-A30KA.TH PKA-A36KA.TH PKA-A24KAL.TH PKA-A30KAL.TH PKA-A36KAL.TH{CN

25SW1Setting by the dip switch and jumper wireFunctionsJumper wireModelsettingsCapacitysettingsPair numbersetting withwirelessremotecontrollerRemarksS

2610SPECIAL FUNCTIONNote:· When the uint is restarted to operate after turning off the power or OFF operation, the unit which was operating will start

2727 System constraint· This function is available only in cooling mode.Ex.) Set temp. by R/C = 20:(68°F)Set point = 26:(79°F)When request code number

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

29DISASSEMBLY PROCEDURE11PKA-A24KA.TH PKA-A30KA.TH PKA-A36KA.TH PKA-A24KAL.TH PKA-A30KAL.TH PKA-A36KAL.TH1. REMOVING THE PANEL(1) P

3SAFETY PRECAUTION2Cautions for units utilising refrigerant R410A2-2. CAUTIONS RELATED TO NEW REFRIGERANTUse new refrigerant pipes.Make sure that the

303. REMOVING THE ELECTRICAL BOX(1) Remove the panel and the corner box. (Refer to 1.)(2) Remove the front and side electrical box covers (each 1 scre

316. REMOVING THE INDOOR FAN MOTOR AND THE LINE FLOW FAN(1) Remove the panel and the corner box. (Refer to 1.)(2) Remove the electrical box (Refer t

8. REMOVING THE HEAT EXCHANGER(1) Remove the panel and the corner box. (Refer to 1.)(2) Remove the electrical box (Refer to 3.) and the nozzle asse

4GravimeterUnit[3] Service tools Use the below service tools as exclusive tools for R410A refrigerant. No. Tool name

5 Wired remote controller°F°C°F°CERROR CODEAFTERTIMERTIME SUN MON TUE WED THU FRI SATONOFFHrAFTERFILTERFUNCTIONONLY1Hr.WEEKLYSIMPLEAUTO OFFPAR-21MAAON

6 Wireless remote controllerON/OFF TEMPFANVANETEST RUNAUTO STOPAUTO STARThminLOUVERMODECHECKRESETSET CLOCKMODELSELECTNOT AVAILABLESWINGCHECKFANTESTRUN

7SPECIFICATIONS4AAkWF.L.Am3/min(CFM)Pa(mmAq)dBmm(in.)mm(in.)mm(in.)mm(in.)kg(lbs)Service Ref.Power supply(phase, cycle, voltage)Max. Fuse SizeMin.Circ

85NOISE CRITERION CURVESUNITWALL3.3ft3.3ftMICROPHONE90807060504030201063 125 250 500 1000 2000 4000 8000NC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUN

9OUTLINES AND DIMENSIONS6Front side46-1/16(1170)9-1/2(241)33-21/32(855)2-29/32(74)14-3/8(365)Emergency operation switch(cooling/heating)Terminal block