Mitsubishi Electric PUHZ-RP.HA Manual de servicio

TECHNICAL & SERVICE MANUALSPLIT-TYPE, HEAT PUMP AIR CONDITIONERSCONTENTS1. TECHNICAL CHANGES·································22. SAFETY PRECAUTION

10Single, 50Hz, 220-230-240VMunsell 3Y 7.8/1.1Linear Expansion ValveHermeticANV33FDAMTLine start HP switch, LP switch, Discharge thermo—Plate fin coil

100FUNCTIONAL PARTSPUHZ-RP4VHA1PUHZ-RP5VHA1PUHZ-RP6VHA112356102914781113141516171819201521222324252627282930313233343536OC294-C-4.qxp 04.10.7 5:16 PM

101Part No. Part Name SpecificationNo.WiningDiagramSymbolRecom-mendedQ,tyUnitAmountRemarks(Drawing No.)Q,ty/set45VHA1123456789101112131415161718192021

14 OPTIONAL PARTS14-1. DRAIN SOCKETPart No.Applied modelsPAC-SG61DS-EPUHZ-RP1.6, 2, 2.5, 3, 4, 5, 6VHAPart No.Applied modelsPAC-SG59SG-EPUHZ-RP1.6, 2,

116 DATA6-1. REFILLING REFRIGERANT CHARGE (R410A : kg)6-2. COMPRESSOR TECHNICAL DATAPiping length (one way)10m20m30m40m50mFactorycharged2.12.13.13.15.

121.5m1mMICROPHONEUNITGROUND90807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUSNOISENC-60NC-50NC-40NC-30N

137 OUTLINES AND DIMENSIONSPUHZ-RP1.6VHAPUHZ-RP2VHAService panel for charge plug w 1 In the place where short cycle tends to occur, cooling and heatin

14Unit : mmPUHZ-RP2.5VHAPUHZ-RP2.5VHA1PUHZ-RP3VHAPUHZ-RP3VHA1Over 10mmFREEOver 500mmOver 100mmOver 10mmOC294-C-1.qxp 04.10.7 5:11 PM Page 14

15PUHZ-RP4VHAPUHZ-RP4VHA1PUHZ-RP5VHAPUHZ-RP5VHA1PUHZ-RP6VHAPUHZ-RP6VHA1Unit : mmOver 10mmFREEOver 1000mmOver 150mmOver 10mmOC294-C-1.qxp 04.10.7 5:11

168 WIRING DIAGRAMPUHZ-RP1.6VHAPUHZ-RP2VHAPUHZ-RP2.5VHAPUHZ-RP2.5VHA1PUHZ-RP3VHAPUHZ-RP3VHA1MODELSSW6W1 MODEL SELECT1.6V2VMODELSSW62.5V3V1ONOFF234561O

17PUHZ-RP4VHAPUHZ-RP4VHA1PUHZ-RP5VHAPUHZ-RP5VHA1PUHZ-RP6VHAPUHZ-RP6VHA1W1MODELSSW6W1 MODEL SELECT4V5V6V1ONOFF234561ONOFF234561ONOFF23456Only PUHZ-RP4V

189 CONNECTING CABLE✽1 : In case that cable with stripe of yellow and green is available.✽2 : In the flat cables are connected as this picture, they c

1910 REFRIGERANT SYSTEM DIAGRAMPUHZ-RP2.5VHAPUHZ-RP2.5VHA1PUHZ-RP3VHAPUHZ-RP3VHA1DistributorThermistor TH7(Outdoor)Heat exchangerRefrigerant GAS pipec

21 TECHNICAL CHANGESPUHZ-RP4VHA ➞ PUHZ-RP4VHA1PUHZ-RP5VHA ➞ PUHZ-RP5VHA1PUHZ-RP6VHA ➞ PUHZ-RP6VHA11. Reduced Design Pressure:Design Pressure has been

20PUHZ-RP4VHAPUHZ-RP5VHAPUHZ-RP6VHADistributorThermistor TH7(Outdoor)Heat exchangerRefrigerant GAS pipeconnection(5/8F)Refrigerant LIQUID pipeconnecti

21Applicable extension pipe for each modelThe height difference between indoor and outdoor unit should be kept within 30 m for all models.(1) 1:1 syst

225 1015202530354045505580Capacity ratio [%]Corrected pipe length859095100Heating RP1.6, RP2Cooling RP1.6Cooling RP21009590858075705 10152025303540455

235 1015202530354045505580Capacity ratio [%]Corrected pipe length859095100Heating RP2.5, RP3Cooling RP3Cooling RP2.544When gas pipe is one size larger

241. Refrigerant collecting (pump down)Perform the following procedures to collect the refrigerant when moving the indoor unit or the outdoor unit.1Be

2511 TROUBLESHOOTING<Error code display by self-diagnosis and actions to be taken for service (summary)>Present and past error codes are logged

2611-2. Check point under test run(MA remote controller)(1) Before test run• After installation of indoor and outdoor units, piping work and electric

27wPress the remote controller’s CHECK button twice to perform self-diagnosis. See the table below for the contents of LCD display.LCDContents of

2811-3. Malfunction-diagnosis method by remote controller11-3-1. Error history of unit(1) Wired remote controllerMode numberSetting numberRefrigerant

294 To cancel self-diagnosisThere are following two methods to cancel self-diagnosis:Press the H “CHECK” button twice within three seconds.➜Self-diagn

32 SAFETY PRECAUTIONCautions for units utilizing refrigerant R410A2-1. CAUTIONS RELATED TO NEW REFRIGERANTUse new refrigerant pipes.Make sure that the

30[Procedure]1. Press the CHECK button twice.2. Press the temperaturebuttons.3. Point the remote controller at the sensor on the indoor unit andpress

3111-3-2. Wired Remote controller DiagnosisIf operation can not be carried out from remote controller, tryremote controller diagnosis with following p

3211-4. SELF-DIAGNOSIS ACTION TABLE <Abnormalities detected when the power is put on>(Note 1) Refer to indoor unit section for code P and code

33Error CodeMeaning of error code and detection method Judgment and actionEb(6845)Mis-wiring of indoor/outdoor unit connecting wire (converse wiring o

34<Abnormalities detected while unit is operating>Error CodeMeaning of error code and detection method Judgment and actionU1(1302)Abnormal high

35ThermistorsOpen detection Short detectionSymbolNameTH3TH6TH7TH8– 40: or below– 40: or below– 40: or below– 27: or below90: or above90: or above90: o

36Error CodeMeaning of error code and detection method Judgment and actionUL(1300)Abnormal low pressure (63L worked)Abnormal if 63L is worked (under-0

37Error CodeMeaning of error code and detection method Judgment and actionE9(6841)Indoor/outdoor unit communicationerror (Transmitting error) (Outdoor

38Error CodeMeaning of error code and detection method Case Judgment and actionA0(6600)Address duplicate definitionThis error is displayed when transm

39A6(6606)Communication error with communica-tion processorDefective communication between unitprocessor and transmission processorNote) The address a

4GravimeterUnit[3] Service toolsUse the below service tools as exclusive tools for R410A refrigerant.No. Specifications1 Gauge manifold ·Only for R410

40Error CodeMeaning of error code and detection method Case Judgment and actionA7(6607)5. If displayed address or attribute isFRESH MASTER, Indoor uni

4111-5. TROUBLESHOOTING BY INFERIOR PHENOMENAPhenomenaFactor Countermeasure1. Remote controller display does notwork.2. “H0” display is remained on th

42PhenomenaFactorCountermeasure7. Remote controller display works nor-mally and the unit performs heatingoperation, however, the capacitycannot be ful

4311-6. HOW TO CHECK THE PARTSPUHZ-RP1.6HA PUHZ-RP2VHA PUHZ-RP2.5VHA PUHZ-RP2.5VHA1PUHZ-RP3VHA PUHZ-RP3VHA1 PUHZ-RP4VHA PUHZ-RP4VHA1PUHZ-RP5VHA PUHZ-R

4411-7. HOW TO CHECK THE COMPONENTS<Thermistor feature chart>Low temperature thermistors• Thermistor <Outdoor pipe> (TH3)• Thermistor <

45<Output pulse signal and the valve operation>(2) Linear expansion valve operationABCOpenExtra tightning (about 32 pulse)Pulse number500 pulseO

46Main bodyLead wireStopperCoilABe sure to attach thestopper to pipe B.BA(3) How to attach and detach the coil of linear expansion valve <Composit

4711-8. EMERGENCY OPERATION (1) When the error codes shown below are displayed on outdoor unit or microcomputer for wired remote controller or indoor

4811-9. TEST POINT DIAGRAMOutdoor controller circuit boardPUHZ-RP1.6VHA PUHZ-RP4VHAPUHZ-RP2VHA PUHZ-RP4VHA1PUHZ-RP2.5VHA PUHZ-RP5VHAPUHZ-RP2.5VHA1 PUH

49Outdoor noise filter circuit boardPUHZ-RP1.6VHAPUHZ-RP2VHALO, NOVoltage of 220-240V AC is output. (Connect to the ACL)CN52C52C relay signal(Connect

52-2. Changed point• Precautions when reusing existing R22 refrigerant pipes (1) Flowchart Connecting a new air conditioner1Flaring work should be do

50Outdoor noise filter circuit boardPUHZ-RP2.5VHAPUHZ-RP2.5VHA1PUHZ-RP3VHAPUHZ-RP3VHA1LO, NOVoltage of 220-240V AC is output.(Connect ACL)CN52C52C rel

51CNAC1, CNAC2220-240V AC(Connect to theoutdoor controllercircuit board(CNAC))EIConnect to the earthLI, NIVoltage of 220-240V AC is input(Connect to t

5217Outdoor Power circuit boardPUHZ-RP1.6VHAPUHZ-RP2VHAPUHZ-RP2.5VHAPUHZ-RP2.5VHA1PUHZ-RP3VHAPUHZ-RP3VHA113(Red)(White)1, 2, 6, 7 : +5 : –][–+P1 N L N

53Outdoor Power circuit boardPUHZ-RP4VHAPUHZ-RP4VHA1PUHZ-RP5VHAPUHZ-RP5VHA1PUHZ-RP6VHAPUHZ-RP6VHA1CNAFConnect toACTMSC-P2, SC-N2Connect toACTM and the

54SwitchTypeofswitchDipswitchSW112No.Function Effective timingAction by the switch operationCompulsory defrosting Start NormalWhen compressor is worki

55(2) Function of connectors and jumpers CN31Types Connector Function Effective timingConnectorSW6orJumperSW6-1(J1)SW6-2(J2)SW6-3(J3)SW6-4(J4)SW6-5(J5

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

57LED indications of fan operating condition (LED5 and LED6 on controller board)Operation LED5/LED6 (Red)LitNormal (Stop)Normal (Operating)Fan stops.C

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

59SW2 setting1ON23456Display detailExplanation for display UnitPipe temperature / Liquid(TH3)– 40~90– 40~90(When the coil thermistor detects 0: or bel

6(2) Cautions for refrigerant piping workNew refrigerant R410A is adopted for replacement inverter series. Although the refrigerant piping work for R4

60SW2 setting1ON23456Display detailExplanation for display UnitPipe temperature / Liquid(TH3) on erroroccurring– 40~90– 40~90(When the coil thermistor

61SW2 setting1ON23456Display detailExplanation for displayUnitCapacity setting displayDisplayed as an outdoor capacity code.Codedisplay1ON234561ON2345

621ON23456°CDischarge super heat. SHd0~255Cooling = TH4-TH6Heating = TH4-TH50~255(When the temperature is 100°C or more, hundredsdigit, tens digit and

63SW2 settingDisplay detailExplanation for display Unit1ON23456%Capacity save0~255When air conditioner is connected to M-NET and capacity save mode is

64SW2 settingDisplay detailExplanation for display Unit1ON23456PulseLEV-A opening pulse on error occurring0~4800~480(When it is 100 pulse or more, hun

65SW2 settingDisplay detailExplanation for display Unit:0~255(When the temperature is 100°C or more, hundredsdigit, tens digit and ones digit are disp

66FunctionSettingsMode No.Setting No.RemarksFilter signFan speedNo. of air outletsInstalled options (high- performance filter)Horizontal vane settingE

67FUNCTIONFUNCTION3[Operating instructions]11Checking the function settingsIf you change the setting in the function setting procedure, the contents o

68FUNCTIONFUNCTION444Setting the indoor unit numberPress D(CLOCK ON OFF) and [--] will start to flash in the unitnumber display (4) .Press C (TIMER SE

69FUNCTIONFUNCTIONFUNCTION212188Registering the settings from steps 33to 77into memoryThe mode and setting numbers (1)(2) will start to flash when the

73 COMBINATION OF INDOOR AND OUTDOOR UNITS4 PART NAMES AND FUNCTIONSCHARGELESS SYSTEMPRE-CHARGED REFRIGERANT IS SUPPLIED FOR PIPING LENGTH AT SHIPMENT

70By setting unit number with the button, specified indoor unit starts performing fan operation. Detect which unit is assigned to which numbe

7112 DISASSEMBLY PROCEDUREOPERATING PROCEDUREPHOTOSPUHZ-RP1.6VHA PUHZ-RP2VHA1. Removing the top panel, service panel, front panel and back panel(1) Re

72Electrical parts boxController circuitboard (C.B.)Electrical parts box fixingscrewTerminalblock(TB1)OPERATING PROCEDURE PHOTOS4. Removing the thermi

73OPERATING PROCEDURE PHOTOS5. Removing the thermistor <Outdoor> (TH7)(1) Remove the service panel. (See figure 1.)(2) Remove the top panel. (Se

74OPERATING PROCEDURE PHOTOS8. Removing the four-way valve(1) Remove the service panel. (See photo 2.)(2) Remove the top panel. (See photo 1.)(3) Remo

75OPERATING PROCEDURE PHOTOSPhoto 13Photo 14Motor forcompressor(MC)Valve bedSeparatorSeparatorfixing screwCompressorfixing nutPowerreceiverPowerreceiv

76OPERATING PROCEDUREPHOTOS & ILLUSTRATIONPUHZ-RP2.5VHA PUHZ-RP2.5VHA1 PUHZ-RP3VHA PUHZ-RP3VHA11. Removing the service panel and top panel(1) Remo

77Thermistor <Outdoor 2-phase pipe>(TH6)OPERATING PROCEDURE PHOTOSPhoto 44. Removing the thermistor <Outdoor 2-phase pipe> (TH6)(1) Remove

78OPERATING PROCEDUREPHOTOS7. Removing the solenoid valve coil <Four-way valve> (21S4),linear expansion valve coil (LEV(A), LEV(B)) and solenoid

79OPERATING PROCEDUREPHOTOS10. Removing the bypass valve(1) Remove the service panel. (See figure 1.)(2) Remove the top panel. (See figure 1.)(3) Remo

85 SPECIFICATIONSAkWWkWK/min(CFM)dBdBmm(in.)mm(in.)mm(in.)kg(lbs)kg(lbs)Lmm(in.)mm(in.)Power supply (phase, cycle, voltage)Running currentExternal fin

80OPERATING PROCEDUREPHOTOS13. Removing the motor for compressor (MC)(1) Remove the service panel. (See figure 1.)(2) Remove the top panel. (See figur

81OPERATING PROCEDUREPHOTOS & ILLUSTRATIONPUHZ-RP4VHA PUHZ-RP5VHA PUHZ-RP6VHA1. Removing the service panel and top panel(1) Remove 3 service panel

82OPERATING PROCEDURE PHOTOSPhoto 44. Removing the thermistor <Outdoor 2-phase pipe> (TH6)(1) Remove the service panel. (See figure 1.)(2) Remov

83OPERATING PROCEDUREPHOTOS7. Removing the solenoid valve coil <Four-way valve> (21S4),and linear expansion valve coil (LEV(A), LEV(B))(1) Remov

84OPERATING PROCEDUREPHOTOS10. Removing solenoid valve coil <Bypass valve> (SV) and bypass valve(1) Remove the service panel. (See figure 1.)(2)

85OPERATING PROCEDUREPHOTOS13. Removing the motor for compressor (MC)(1) Remove the service panel. (See figure 1.)(2) Remove the top panel. (See figur

86OPERATING PROCEDUREPHOTOS & ILLUSTRATIONPUHZ-RP4VHA1 PUHZ-RP5VHA1 PUHZ-RP6VHA11. Removing the service panel and top panel(1) Remove 3 service pa

87OPERATING PROCEDURE PHOTOSPhoto 44. Removing the thermistor <Outdoor 2-phase pipe> (TH6)(1) Remove the service panel. (See figure 1.)(2) Remov

Solenoid valve coil<Four-way valve> (21S4)88OPERATING PROCEDUREPHOTOS7. Removing the solenoid valve coil <Four-way valve> (21S4),and linea

89OPERATING PROCEDUREPHOTOS10. Removing solenoid valve coil <Bypass valve> (SV) and bypass valve(1) Remove the service panel. (See figure 1.)(2)

9AkWWkWK/min(CFM)dBdBmm(in.)mm(in.)mm(in.)kg(lbs)kg(lbs)Lmm(in.)mm(in.)Power supply (phase, cycle, voltage)Running currentExternal finishRefrigerant c

90OPERATING PROCEDUREPHOTOS13. Removing the motor for compressor (MC)(1) Remove the service panel. (See figure 1.)(2) Remove the top panel. (See figur

9113 PARTS LISTSTRUCTURAL PARTSPUHZ-RP1.6VHAPUHZ-RP2VHAPart No. SpecificationNo.WiningDiagramSymbolRecom-mendedQ,tyPriceUnitAmountPart NameQ,ty/setPUH

92STRUCTURAL PARTSPUHZ-RP2.5VHAPUHZ-RP2.5VHA1PUHZ-RP3VHAPUHZ-RP3VHA1Part No. SpecificationNo.WiningDiagramSymbolRecom-mendedQ,tyPriceUnitAmountPart Na

93Part No. Part NameSpecificatioNo.WiningDiagramSymbolRecom-mendedQ,tyQ,ty/setPUHZ-RPVHA, VHA145123456789101112131415161718381211111211111111138121111

94FUNCTIONAL PARTSPUHZ-RP1.6VHAPUHZ-RP2VHA1342FUSE5 67 8910111213141715161819202122232425262728OC294-C-4.qxp 04.10.7 5:16 PM Page 94

95PricePart No. Part NameSpecificationNo.WiningDiagramSymbolRecom-mendedQ,tyUnitAmountRemarks(Drawing No.)Q,ty/setPUHZ-RP1.6VHAPUHZ-RP2VHA123456789101

96FUNCTIONAL PARTSPUHZ-RP2.5VHAPUHZ-RP2.5VHA1PUHZ-RP3VHAPUHZ-RP3VHA1161514132122232429252826274910512220FUSE1367811171819303132OC294-C-4.qxp 04.10.7

97PricePart No. Part NameSpecificationNo.WiningDiagramSymbolRecom-mendedQ,tyUnitAmountRemarks(Drawing No.)Q,ty/setPUHZ-RP2.5VHAVHA1VHAVHA1312345678910

98FUNCTIONAL PARTSPUHZ-RP4VHAPUHZ-RP5VHAPUHZ-RP6VHA151411322242526312730282953768221FUSE720141333435910121317161819233632OC294-C-4.qxp 04.10.7 5:16 P

99Part No. Part Name SpecificationNo.WiningDiagramSymbolRecom-mendedQ,tyUnitAmountRemarks(Drawing No.)Q,ty/set45VHA12345678910111213141516171819202122