Mitsubishi Electric PUHZ-P125 Manual de servicio

SERVICE MANUALNo.OCH415REVISED EDITION-CSPLIT-TYPE, HEAT PUMP AIR CONDITIONERSR410AJuly 2009PUHZ-P100VHA2.UKPUHZ-P100VHA3.UKCONTENTS1. TECHNICAL CHANG

106-4. STANDARD OPERATION DATAThe unit of pressure has been changed to MPa based on international SI system.The conversion factor is : 1(MPa)=10.2(kg

100Thermistor <Outdoor pipe> (TH3)OPERATING PROCEDUREPHOTOS 7. Removing the 4-way valve coil (21S4), and LEV coil (LEV(A)) (1) Remove the

101OPERATING PROCEDUREPHOTOS 12. Removing the reactor (DCL) (1) Remove the service panel. (See Figure 1) (2) Remove the top panel. (See Figure 1)

OPERATING PROCEDUREPHOTOS 13. Removing the motor for compressor (MC) (1) Remove the service panel. (See Figure 1) (2) Remove the top panel. (See Fi

117 OUTLINES AND DIMENSIONS41766 424556 (19)37028531756001753302-12%36 oval holes(Foundation Bolt M10)Air DischargeRear Air IntakeSide Air Intake2-U S

12Unit : mm(inch)Less thanOverOverOverOverHandle for movingSide Air IntakeFront piping coverRear piping coverAir intakeRear Air IntakeHandle for movin

1341766 424556 (19)37028531756001753302-12%36 oval holes(Foundation Bolt M10)Air DischargeRear Air IntakeSide Air Intake2-U Shaped notched holes(Found

14Unit : mm(inch)PUHZ-P125VHA3R1.UKPUHZ-P140VHA3R1.UKLess thanOverOverOverOverHandle for movingSide Air IntakeFront piping coverRear piping coverAir i

158 WIRING DIAGRAM123456OFFON100VMODELSW5-6+3+ 1 MODEL SELECT123456OFFON125V123456787878OFFON140V123456OFFONSW6123456OFFON123456OFFONTB1MCMF1,MF221S4

169 WIRING SPECIFICATIONSOutdoor unit modelOutdoor unit power supplyOutdoor unit input capacity *1Main switch (Breaker)Outdoor unit power supplyOutdoo

17The following connection patterns are available.The outdoor unit power supply patterns vary on models.1:1 System<For models without heater>*Th

189-3. INDOOR – OUTDOOR CONNECTING CABLE+ The Max. cable length may vary depending on the condition of installation, humidity or materials, etc.Indoor

199-4. M-NET WIRING METHOD(Points to note)(1) Outside the unit, transmission wires should stay away from electric wires in order to prevent electromag

22REFERENCE MANUALModel name Service Ref.ServiceManual No.PLA-RP50/60/71/100/125/140BAPLA-RP140BA2PLA-RP50/60/71/100/125/140BA(#2).UKPLA-RP50/60/71BA1

209-4-3. Regulations in address settingsIn case of multiple grouping system, M-NET and refrigerant address settings should be done as explained in the

2110 REFRIGERANT SYSTEM DIAGRAMAccumulatorCompressorRefrigerant GAS pipe15.88mm(:5/8)Refrigerant LIQUID pipe9.52mm(:3/8)4-wayvalveService port(check)H

221. Refrigerant recovery (pump down)Perform the following procedures to recover the refrigerant when moving the indoor unit or the outdoor unit.1Turn

2311 TROUBLESHOOTING<Error code display by self-diagnosis and actions to be taken for service (summary)>Present and past error codes are logged

24[TEST] buttonPipe (liquid) temperatureDisplays the remainingtest run time."TEST RUN" and the currently selectedoperation mode are displaye

25ON/OFFTEMPFANVANEMODECHECKLOUVERTEST RUN AUTO STOP AUTO STARThminTEST RUNRESETSETCLOCK,Test run [for wireless remote controller]Measure

2611-3. HOW TO PROCEED "SELF-DIAGNOSIS"11-3-1. When a Problem Occurs During OperationIf a problem occurs in the air conditioner, the indoor

27Transmission data from remote controllerTransmission data on transmission pathWhen the number of data errors is "02": Press the ON/OFF bu

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

29[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

33SAFETY PRECAUTIONCautions for units utilizing refrigerant R410A3-1. CAUTIONS RELATED TO NEW REFRIGERANTUse new refrigerant pipes.Make sure that the

3011-4. SELF-DIAGNOSIS ACTION TABLE<Abnormalities detected when the power is turned on>(Note 1) Refer to indoor unit section for code P and code

31Error CodeAbnormal points and detection method Judgment and actionEb(6845)Miswiring of indoor/outdoor unit connecting wire (converse wiring or dis-

32Error CodeAbnormal points and detection method Judgment and actionU1(1302)High pressure (High-pressure switch 63H worked)Abnormal if high-pressure

33ThermistorsOpen detection Short detectionSymbolNameTH3TH6TH7TH8– 40 or below– 40 or below– 40 or below– 27 or below90 or above90 or above90 o

34Error CodeAbnormal points and detection method CaseJudgment and actionU8(4400)Outdoor fan motorAbnormal if rotational frequency of the fan motor is

35Error CodeAbnormal points and detection method Judgment and actionCaseUP(4210)Compressor overcurrent interruptionAbnormal if overcurrent DC bus or c

36Error CodeAbnormal points and detection method Judgment and actionE9(6841)Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit

37Error CodeAbnormal points and detection method CaseJudgment and actionP81 Slight temperature difference between indoor room temperature and pipe

38Continued to the next page.A6(6606)Communication error with communica-tion processorDefective communication between unit processor and transmission

39Error CodeAbnormal points and detection method Case Judgment and actionA7(6607)5. If displayed address or attribute is FRESH MASTER, indoor unit det

4GravimeterUnit[3] Service tools Use the below service tools as exclusive tools for R410A refrigerant. No. Tool name Specifications 1 Gauge manif

4011-5. TROUBLESHOOTING BY INFERIOR PHENOMENA PhenomenaFactor Countermeasure1. Remote controller display does not work.2. “PLEASE WAIT” display is rem

41PhenomenaFactorCountermeasure7. Remote controller display works normally and the unit performs heat-ing operation, however, the capacity cannot be f

42How long is “PLEASE WAIT” kept being displayed on the remote controller?6 minutes or more2 minutes or less2 to 6 minutesNONOYESYESAre any error code

43AC 198V to AC 264V?AC 198V to AC 264V?AC 198V to AC 264V?DC 12V to DC 16V?DC 12V to DC 16V?NOYESNOYESNOYESYESNOYESNOCheck the voltage between S1 an

44AC 198V to AC 264V?Are there looseness or disconnection of the indoor/outdoor connecting wire?Is anything displayed?DC 17V to DC 28V?Is “E8” display

45DC 10V to DC 16V?YESNOLightingBlinkingLightingBlinkingCheck the voltage of the terminal block (TB6) of the remote controller.Check the status of the

46The operating display of remote controller does not come on.Phone Calls From Customers How to Respond Note Check if power is supplied to air co

47Phone Calls From Customers How to Respond Note Check the set temperature of remote controller. The outdoor unit cannot be operated if the set

48Air blows out for a while after HEAT operation is stopped.Phone Calls From Customers How to Respond Note This is not a malfunction. The blow

49Phone Calls From Customers How to Respond NoteThis is not a malfunction.This may occur when the operation gets started in the room of high humidity

5Cautions for refrigerant piping work New refrigerant R410A is adopted for replacement inverter series. Although the refrigerant piping work for R410

50123456MGrayOrangeRedYellowBlackParts nameCheck pointsDisconnect the connector then measure the resistance with a tester. (At the ambient temperature

51Notes · 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

5211-7. HOW TO CHECK THE COMPONENTS<Thermistor feature chart>Low temperature thermistors• Thermistor <Outdoor pipe> (TH3)• Thermistor <

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

54Main bodyLead wireStopperCoil(3) How to attach and detach the coil of linear expansion valve<Composition>Linear expansion valve is separable i

5511-8. EMERGENCY OPERATION (1) When the error codes shown below are displayed on outdoor unit or microcomputer for wired remote controller or indoor

56(5) Operation data during emergency operation During emergency operation, no communication is performed with the indoor unit, so the data items nee

5711-9. TEST POINT DIAGRAMOutdoor controller circuit boardPUHZ-P100VHA2.UK PUHZ-P125VHA2.UK PUHZ-P140VHA2.UKPUHZ-P125VHA21.UK PUHZ-P140VHA21.UKPUHZ-P1

58Outdoor noise filter circuit boardPUHZ-P100VHA2.UK PUHZ-P125VHA2.UK PUHZ-P140VHA2.UKPUHZ-P125VHA21.UK PUHZ-P140VHA21.UKPUHZ-P100VHA3.UK PUHZ-P125VHA

59Outdoor power circuit boardPUHZ-P100VHA2.UKPUHZ-P125VHA2.UKPUHZ-P140VHA2.UKPUHZ-P125VHA21.UKPUHZ-P140VHA21.UKPUHZ-P100VHA3.UKPUHZ-P125VHA3.UKPUHZ-P1

64 FEATURESCHARGELESS SYSTEMPRE-CHARGED REFRIGERANT IS SUPPLIED FOR PIPING LENGTH AT SHIPMENT.(Max.30m (PUHZ-P125/P140))The refrigerant circuit with L

60Active filter modulePUHZ-P100VHA2.UK PUHZ-P100VHA3.UK PUHZ-P100VHA3R1.UKPUHZ-P125VHA2(1).UK PUHZ-P125VHA3.UK PUHZ-P125VHA3R1.UKPUHZ-P140VHA2(1).UK

61SwitchTypeofswitchDipswitchSW112No.Function Effective timingAction by the switch operationCompulsory defrosting +1 Start NormalWhen compressor is wo

62Special function(a) Low-level sound priority mode (Local wiring) Unit enters into Low-level sound priority mode by external signal input setting.

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

64U2U1U8UdUFUPUHU6U3U4U5U9P1P2P9P4P5P6P8Indication ErrorErrorcode+1Outdoor controller boardContents Inspection methodLED1 (Green)LED2 (Red)3 blinking

65<Outdoor unit operation monitor function>[When option part ‘A-Control Service Tool(PAC-SK52ST)’ is connected to outdoor controller board(CNM)]

66SW2 setting1ON23456Display detailExplanation for display UnitPipe temperature/Liquid(TH3) – 40~90– 40~90(When the coil thermistor detects 0: or b

67SW2 setting1ON23456Display detailExplanation for displayUnitPipe temperature/Liquid(TH3) on erroroccurring– 40~90– 40~90(When the coil thermistor de

68SW2 setting1ON23456Display detailExplanation for displayUnitCapacity setting displayDisplayed as an outdoor capacity code.Codedisplay1ON234561ON2345

691ON23456°CDischarge superheat. SHd0~255 Cooling = TH4-TH6 Heating = TH4-TH50~255(When the temperature is 100°C or more, hundreds digit, tens d

75 SPECIFICATIONSAAkWWkW*/min(CFM)dBdBmm(in.)mm(in.)mm(in.)kg(lbs)kg(lbs)Lmm(in.)mm(in.)Power supply (phase, cycle, voltage)Running current Max. curre

70SW2 settingDisplay detailExplanation for display Unit1ON23456%Capacity save0~100When air conditioner is connected to M-NET and capacity save mode is

71SW2 settingDisplay detailExplanation for displayUnit1ON23456PulseLEV-A opening pulse on error occurring0~4800~480(When it is 100 pulse or more, hund

72SW2 settingDisplay detailExplanation for display Unit:0~255(When the temperature is 100°C or more, hundreds digit, tens digit and ones digit are dis

7312 FUNCTION SETTINGFunctionSettingsMode No.Setting No. Initial setting (when sent from the factory)RemarksPower failure automatic recoveryIndoor tem

74Function SettingsNo.ModeNo.Setting : Initial setting (Factory setting)- : Not available4-WaycassetteCeilingconcealedCeiling suspendedWallmountedPL

75 Select mode No. 02 (room temperature detection position). Select setting No. 03 (remote controller fixed). (Use  and .) Enter the sett

76[Operating Procedure] Check the setting items provided by function selection.If settings for a mode are changed by function selection, the function

77ON/OFFTEMPFANVANEMODECHECKLOUVERTEST RUN AUTO STOP AUTO STARThminCHECKRESETSETCLOCKThe flow of the function selection procedure is shown belo

7812-2. FUNCTION SELECTION OF REMOTE CONTROLLERThe setting of the following remote controller functions can be changed using the remote controller fun

79OFFno1no2OFFONOFFONOFFOFFCALL-ONOFFONOFF°C°FPAR-21MAAON/OFFFILTERCHECKOPERATIONCLEARTESTTEMP.MENUBACK DAYMONITOR/SETCLOCKON/OFFEnglishGermanSpanishR

86 DATA6-1. REFILLING REFRIGERANT CHARGE (R410A : kg)6-2. COMPRESSOR TECHNICAL DATAPiping length (one way)10m20m30m40m50mInitialcharged2.94.34.33.04.4

8013 EASY MAINTENANCE FUNCTIONL Reduces maintenance work drastically.L Enables you to check operation data of the indoor and outdoor units by remote

81L Data measurementWhen the operation is stabilized, measure operation data as explained below.(4) Press the [TEMP] buttons ( and ) to select the

8213-2.GUIDE FOR OPERATION CONDITIONInspection item ResultPower supplyLoose con-nectionBreaker Good RetightenedTerminal block Outdoor Unit Good Retigh

8314MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER14-1. HOW TO "MONITOR THE OPERATION DATA"• Turn on the [Monitoring the operation

8414-2. REQUEST CODE LIST* Certain indoor/outdoor combinations do not have the request code function; therefore, no request codes are displayed.Reques

85Request codeRequest contentDescription(Display range)Unit Remarks50515253545556575859606162636465666768697071727374757677787980818283848586878889909

86Request codeRequest contentDescription(Display range)Unit Remarks10310410510610710810911011111211311411511611711811912012112212312412512612712812913

87Request codeRequest contentDescription(Display range)Unit Remarks153154155156157158159160161162163164165166167~189190191192~7647657667670 – 99990 –

88Frequency control state DisplayDischarge temperatureCondensation temperatureAnti-freezeHeatsink temperatureoverheat preventionoverheat preventionpr

89[Fan control state] (Request code :"53")Data displayFan step correction value by heatsink temperature overheat prevention controlFan step

96-3. NOISE CRITERION CURVES1.5m1mMICROPHONEUNITGROUND90807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUS

90[Contact demand capacity] (Request code :"61") Data display000Setting content[External input state] (Request code :"62") Data di

91SW1, SW2, SW6, SW7123456000000 0000100000 0001010000 00021 1 0 0 0 0 00 03001000 0004101000 0005011000 00061 1 1 0 0 0 00 07000100 0008100100 000901

92[Indoor unit – Model setting information] (Request code :"162") Data display00See the table on the right.Display Model setting state Disp

9315 DISASSEMBLY PROCEDUREOPERATING PROCEDUREPHOTOS & ILLUSTRATIONPUHZ-P100VHA2.UK PUHZ-P100VHA3.UK PUHZ-P100VHA3R1.UK 1. Removing the service pa

94Thermistor <Outdoor 2-phase pipe>(TH6)OPERATING PROCEDURE PHOTOSPhoto 4 4. Removing the thermistor <Outdoor 2-phase pipe> (TH6) (1) Re

95OPERATING PROCEDUREPHOTOS 7. Removing the 4-way valve (21S4), LEV coil (LEV(A)) (1) Remove the service panel. (See Figure 1) (2) Remove the top p

96OPERATING PROCEDUREPHOTOS 11. Removing the reactor (DCL) (1) Remove the service panel. (See Figure 1) (2) Remove the top panel. (See Figure 1) (

97OPERATING PROCEDUREPHOTOS 12. Removing the compressor (MC) (1) Remove the service panel. (See Figure 1) (2) Remove the top panel. (See Figure 1)

98OPERATING PROCEDUREPHOTOS & ILLUSTRATIONPUHZ-P125VHA2.UK PUHZ-P140VHA2.UK PUHZ-P125VHA21.UK PUHZ-P140VHA21.UKPUHZ-P125VHA3.UK PUHZ-P140VHA3.UK

99OPERATING PROCEDURE PHOTOS 4. Removing the thermistor <Outdoor 2-phase pipe> (TH6) (1) Remove the service panel. (See Figure 1) (2) Remove