Mitsubishi Electric PUHZ-RP8YHA Manual de servicio

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

105-2. COMPRESSOR TECHNICAL DATAU-VU-WW-VUnitCompressor modelWindingResistance( " )ANV47FFBMT(at 20°C)0.720.720.72PUHZ-RP8, 10YHA1m1mMICROPHONEUN

116 OUTLINES AND DIMENSIONSPUHZ-RP8YHAPUHZ-RP10YHA00[7O.D [ 28.582O.D [ 25.4[ 25.42Refrigerant GAS PIPE connection (BRAZING)[ 12.7 (1/2F)[ 9.52 (3/8F)

127 WIRING DIAGRAMPUHZ-RP8YHAPUHZ-RP10YHAOC317-1.qxp 04.11.26 9:33 AM Page 12

138 WIRING SPECIFICATIONS✽1 : In case that cable with stripe of yellow and green is available.✽2 : In the flat cables are connected as this picture, t

14SPECIFICATIONS FOR ELECTRICAL WORK99-1. FIELD ELECTRICAL WIRING (POWER WIRING SPECIFICATIONS) PUHZ-RP•YHAOutdoor unitPower supplyPhaseFrequency &

159-2. M-NET WIRING METHOD(Points to notice)(1) Outside the unit, transmission wires should stay away from electric wires in order to prevent electrom

169-2-3. Regulations in address settingsIn case of multiple grouping system, M-NET and refrigerant address settings should be done as explained in the

1710 REFRIGERANT SYSTEM DIAGRAMPUHZ-RP8YHAPUHZ-RP10YHAStrainer#50Strainer#50Strainer#100Strainer#100Strainer#100Strainer#100OilseparatorStrainer#100St

1811 CAPACITY CURVES-5 0 5 10 15 20 25 30 35 40 46161820220.60.811.21.4Cooling capacity ratioOutdoor intake air dry-bulb temperature <D.B. :>-5

1912 APPLICABLE EXTENSION PIPE FOR EACH MODEL12-1. 1:1 SYSTEM(1) Pipe length70m[30m]SWSW : When the outdoor unit is located lower than the indoor unit

21 SAFETY PRECAUTIONCautions for units utilizing refrigerant R410A1-1. CAUTIONS RELATED TO NEW REFRIGERANTUse new refrigerant pipes.Make sure that the

20(3) Capacity correctionCooling and heating capacity is lowered according to the piping length. Capacity can be obtained by referring to the followin

21Liquid pipeGas pipeLiquid pipeGas pipeLiquid pipeGas pipeLiquid pipeGas pipeLiquid pipeGas pipe[19.05 [22.2 [25.4 [28.58 [19.05 [22.2 [25.4 [28.58 [

22OD(mm)Pipe diameter and thickness[6.350.8Be sure to use hard (tempered) one for pipe over [22.2.(Do not use soft (annealed) one.) 0.8 0.8 1.0 1.0 1.

23A+B+C+DAmount of additional refrigerant charge (kg)30 m and less 31-40 m and less 41-50 m and less 51-60 m and less 61-70 m and less 71-80 m and les

24Refrigerant collecting (pump down)Perform the following procedures to collect the refrigerant when moving the indoorunit or the outdoor unit.1 Befor

2513 TROUBLESHOOTING<Error code display by self-diagnosis and actions to be taken for service (summary)>Present and past error codes are logged

2613-2. 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

2813-3. MALFUNCTION-DIAGNOSIS METHOD BY REMOTE CONTROLLER13-3-1. 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

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

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

3113-3-2. Wired Remote controller DiagnosisIf operation can not be carried out from remote controller, tryremote controller diagnosis with following p

3213-4. 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 detectionSymbolNameTH3, TH32TH6TH7TH8– 40: or below– 40: or below– 40: or below– 35: or below90: or above90: or abov

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

41-2. CHANGED POINT• Precautions when reusing existing R22 refrigerant pipes (1) Flowchart Connecting a new air conditioner to existing R22 refrigera

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

4113-5. 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

4313-6. HOW TO CHECK THE PARTSPUHZ-RP8YHAPUHZ-RP10YHA123456MBlueBrownYellowOrangeRedWhiteParts nameCheck pointsDisconnect the connector then measure t

4413-7. HOW TO CHECK THE COMPONENTS<Thermistor feature chart>Low temperature thermistors• Thermistor <Outdoor pipe> (TH3, TH32)• Thermisto

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

4713-8. EMERGENCY OPERATION (1) When the error codes shown below are displayed on outdoor unit or microcomputer for wired remote controller or indoor

4813-9. TEST POINT DIAGRAMOutdoor controller circuit boardPUHZ-RP8YHAPUHZ-RP10YHACommunicationpower supply D71 Voltage developed across:16-30V DC–+CNS

282V DC282V DCBrief Check of POWER MODULEW Usually, they are in a state of being short-circuited if they are broken.Measure the resistance in the foll

5(2) Cautions for refrigerant piping workNew refrigerant R410A is adopted for replacement inverter series. Although the refrigerant piping work for R4

50Outdoor Noise filter circuit boardPUHZ-RP8YHAPUHZ-RP10YHALI1, LI2, LI3, NIPOWER SUPPLYLI1-LI2/LI-LI3/LI3-LI1 : AC380/400/415V inputLI1-NI/LI2-NI/LI3

51Outdoor Fan controller circuit boardPUHZ-RP8YHAPUHZ-RP10YHABrief Check of IGBTW Usually, they are in a state of being short-circuited if they are br

52SwitchTypeofswitchDipswitchSW112No.Function Effective timingAction by the switch operationCompulsory defrosting Start NormalWhen compressor is worki

53(2) Function of connectorsCN31Types Connector Function Effective timingConnectorSW6SW8SW10SW6-1SW6-2SW6-3SW6-4SW6-5SW6-6SW8-1SW10-1SW10-2StartShort

54Special function(a) Low-level sound priority mode (Local wiring)Unit enters into Low-level sound priority mode by SW7-1, 2 and external signal input

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

56LED indications of fan operating condition (LED1 on outdoor Fan controller circuit board)Operation LED1 (Red)LightedNormal (Stop)Normal (Operating)F

57<Outdoor unit operation monitor function>[When option part ‘A-Control Service Tool(PAC-SK52ST)’ is connected to outdoor controller circuit boa

58SW2 setting1ON23456Display detailExplanation for display UnitPipe temperature / Liquid(TH3)– 40~90– 40~90(When the coil thermistor detects 0: or bel

59SW2 setting1ON23456Display detailExplanation for display UnitPipe temperature / Liquid(TH3) on erroroccurring– 40~90– 40~90(When the coil thermistor

62 COMBINATION OF INDOOR AND OUTDOOR UNITSIndoor unitOutdoor unitPUHZ-RP·YHA810PEH-RP·MYAIndoor unitOutdoor unitPUHZ-RP·YHA810PLA-RP4AA ✕ 2PLA-RP5AA ✕

60SW2 setting1ON23456Display detailExplanation for displayUnitCapacity setting displayDisplayed as an outdoor capacity code.Codedisplay1ON234561ON2345

611ON23456°CDischarge super heat. SHd0~255Cooling = TH4-TH6Heating = TH4-TH50~255(When the temperature is 100°C or more, hundredsdigit, tens digit and

62SW2 settingDisplay detailExplanation for display Unit1ON23456%Capacity save0~255When air conditioner is connected to M-NET and capacity save mode is

63SW2 settingDisplay detailExplanation for display Unit1ON23456PulseLEV-A opening pulse on error occurring0~4800~480(When it is 100 pulse or more, hun

64SW2 settingDisplay detailExplanation for display Unit:0~255(When the temperature is 100°C or more, hundredsdigit, tens digit and ones digit are disp

65SW2 settingDisplay detailExplanation for display UnitControlling status of compressor operating frequency1ON23456CodedisplayThe following code will

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 FEATURESCHARGELESS SYSTEMPRE-CHARGED REFRIGERANT IS SUPPLIED FOR PIPING LENGTH AT SHIPMENT.(Max.30m)The refrigerant circuit with LEV(Linear Expansi

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

7114 DISASSEMBLY PROCEDUREOPERATING PROCEDUREPHOTOSPUHZ-RP8YHA PUHZ-RP10YHAPhoto 1 (front)Photo 2 (rear)Service panelfixing screw(8pcs)Front panelfixi

72OPERATING PROCEDURE PHOTOSPhoto 5Photo 3Photo 44. Removing the fan motor(1) Remove• 10 fan guard fixing screws (5o15) (see photo 3).• Fan guard by s

73OPERATING PROCEDURE PHOTOSPhoto 6Photo 75. Removing the electrical parts box(1) Remove• Service panel.• Waterproof sheet for the electrical parts.(2

74OPERATING PROCEDURE PHOTOSPhoto 9Photo 88. Removing the thermistor <Discharge>(1) Remove the service panel.(2) Disconnect the connector TH4 (3

75OPERATING PROCEDURE PHOTOSPhoto 10Photo 1110. Removing the 4-way solenoid valve(1) Remove• Service panel.• 3 cover panel fixing screws (5o10).• Cove

Photo 12Lead wire for thehigh pressureswitchHigh pressureswitchLead wire forthe low pressureswitchLow pressureswitch76OPERATING PROCEDUREPHOTOS &

77Photo 13PHOTOS & ILLUSTRATIONOPERATING PROCEDURE14. Removing the reactor(1) Remove• Service panel• 2 screws (4o8) that hold the terminal block f

78OPERATING PROCEDURE PHOTOSPhoto 17Photo 1616. Removing the accumulator(1) Remove• Service panel (see photo 1).• Electrical parts box (see photo 6).•

7915 PARTS LISTFAN PARTSPUHZ-RP8YHAPUHZ-RP10YHAPUHZ112211112211MOTOR CAPNUT M16SUPPORTMOTOR SUPPORTFAN MOTORPROPELLERR01 E01 122R01 E05 097—R01 E

84 SPECIFICATIONS3-ph, 50Hz, 380-400-415V (4wires)Munsell 3Y 7.8/1.1Linear Expansion ValveHermeticANV47FFBMTLine start HP switch, LP switch, Discharge

80STRUCTURAL PARTSPUHZ-RP8YHAPUHZ-RP10YHA11261314151612181917222526242320214321098751112OC317-3.qxp 04.11.26 9:41 AM Page 80

81PUHZ11111111112411111111111111111121111111111241111111111111111112FAN GUARDSIDE PANEL (L)FRONT PANELSERVICE PANELCOVER PANELSEPARATORTHERMISTOR (OUT

82FUNCTIONAL PARTSPUHZ-RP8YHAPUHZ-RP10YHA117161514131211109876543219 1820OC317-3.qxp 04.11.26 9:41 AM Page 82

83PUHZ111111111112111111111111111111111112111111111111MOTOR FOR COMPRESSORLINEAR EXPANSION VALVE COILLINEAR EXPANSION VALVECHARGE PLUGCHARGE PLUGSTOP

84ELECTRICAL PARTSPUHZ-RP8YHAPUHZ-RP10YHA12345678 9 11121314161015OC317-3.qxp 04.11.26 9:41 AM Page 84

85PUHZ1122211111111121111222111111111211CONTROLLER CIRCUIT BOARDCIRCUIT BOARD SUPPORT PLATEFUSEFUSEFUSE HOLDERNOISE FILTER CIRCUIT BOARDTERMINAL BLOCK

16 OPTIONAL PARTSParts nameRP8·RP10Parts No.MSDD-50WR-EMSDT-111R-EMSDF-1111R-EPAC-SG73RJ-E([9.52 ➝ [12.7)PAC-SG92DS-EPAC-SG86AG-EPAC-SG87AG-EPAC-SG82D

95 DATAParts nameOutdoor unit250V 6.3AANV47FFBMTHAM-BD32(0~480 Pulse)2.7mH 25ADC12V0:/15t, 10:/9.6t, 20:/6.3t, 25:/5.4t, 30:/4.3t, 40:/3.0t0:/1