Mitsubishi Electric Mr.Slim PUHZ-SHW-HA Especificaciones

SERVICE TECHNICAL GUIDECONTENTS1. PAIRING TABLE OF THE INDOOR AND OUTDOOR UNIT ·····22. SPECIFICATIONS FOR ELECTRICAL WORK ·························33

10PEA-RP3EA.TH-A PEA-RP5EA.TH-APEA-RP4EA.TH-A PEA-RP6EA.TH-ATO OUTDOOR UNIT12TB6R.B562341PIPE TEMPERATURE THERMISTOR/LIQUID (0˚C/15kΩ, 25˚C/5.4kΩ DETE

100AC 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” displa

101DC 10V to DC 16V?YESNOLightingBlinkingLightingBlinkingCheck the voltage of the terminal block (TB6) of the remote controller.Check the status of th

10212-3. Error code list.Error codes are explained on the below tables.w1. When a communication error is occurring, the display of remote controller m

1033 Remote controller, indoor/outdoor unit transmission error4 M-NET transmission error (High Prior)Error codeE0E3E4E5E6E7E8E9EAEbECEdEFNo beepNo bee

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

105LED indications of fan operating condition (LED5 and LED6 on controller board)Operation LED5/LED6 (Red)LitNormal (Stop)Normal (Operating)Fan stops.

10612-4. SELF-DIAGNOSIS ACTION TABLEError CodeMeaning of error code and detection method CaseJudgment and actionP1Abnormality of room temperature ther

107Error CodeMeaning of error code and detection method CaseJudgment and actionP6Freezing/overheating protection isworking1 Freezing protection (Cooli

108Error CodeMeaning of error code and detection method CaseJudgment and actionP9Abnormality of pipe temperature ther-mistor / Condenser-Evaporator (T

109Error CodeMeaning of error code and detection method CaseJudgment and actionNone—1 No voltage is supplied to terminalblock(TB1) of outdoor unit.a)

11PEAD-RP1.6EA.UK PEAD-RP2EA.UK PEAD-RP2.5EA.UKPEAD-RP3EA.UK PEAD-RP4EA.UK PEAD-RP5EA.UK PEAD-RP6EA.UKPEAD-RP3EA1.UK PEAD-RP4EA1.UK PEAD-RP5EA1

110Error CodeMeaning of error code and detection method Judgment and actionEb(6845)Mis-wiring of indoor/outdoor unit connecting wire (converse wiring

111Error CodeMeaning of error code and detection method Judgment and actionU1(1302)Abnormal high pressure (High-pressureswitch 63H worked)Abnormal if

112ThermistorsOpen detection Short detectionSymbolNameTH3TH6TH7TH8– 40: or below– 40: or below– 40: or below– 27: or below90: or above90: or above90:

113Error CodeMeaning of error code and detection method Judgment and actionUL(1300)Abnormal low pressure (63L worked)Abnormal if 63L is worked (under-

114Error CodeMeaning of error code and detection method Judgment and actionE9(6841)Indoor/outdoor unit communicationerror (Transmitting error) (Outdoo

115Error CodeMeaning of error code and detection method Case Judgment and actionA0(6600)Address duplicate definitionThis error is displayed when trans

116Error CodeMeaning of error code and detection method Case Judgment and actionA7(6607)NO ACK signal1. Transmitting side controller detectsabnormal i

117Error CodeMeaning of error code and detection method Case Judgment and actionA7(6607)A8(6608)5. If displayed address or attribute isFRESH MASTER, I

11813TEST POINT DIAGRAM13-1. INDOOR UNIT13-1-1. Indoor power boardPLA-RP • AAPKA-RP • GALPKA-RP • FALPCA-RP • GAPEA-RP • EAPEAD-RP • EAPEAD-RP • GACN

11913-1-2. Indoor controller boardPLA-RP • AAPKA-RP • GALPKA-RP • FALPCA-RP • GAPEAD-RP • EAPEAD-RP • GACN6VVane motor output(MV)CN32Connector(Remote

12PEAD-RP2.5GAPEAD-RP3GAPEAD-RP4GAOCT04A-1.qxp 04.9.29 9:14 AM Page 12

12013-1-3. Indoor controller boardPEA-RP • EACN32Connector(Remote switch)CN90Connect to the wirelessremote controller boardCN2DConnect to the indoorpo

121FAN12•FAN22(FAN22 is only for RP4-6VHA.)Connect to fan motor (MF)(Detection of position)1 to 52 to 53 to 55V DC pulse(Detected while themotor is ro

12213-2.2. Outdoor noise filter circuit boardPUHZ-RP1.6VHAPUHZ-RP2VHALO, NOVoltage of 220-240V AC is output. (Connect to the ACL)CN52C52C relay signal

12313-2-3. Outdoor noise filter circuit boardPUHZ-RP2.5VHAPUHZ-RP3VHAPUHZ-RP3VHA-ALO, NOVoltage of 220-240V AC is output.(Connect ACL)CN52C52C relay s

12413-2-4. Outdoor noise filter circuit circuit boardPUHZ-RP4VHA PUHZ-RP4VHA-APUHZ-RP5VHA PUHZ-RP5VHA-APUHZ-RP6VHA PUHZ-RP6VHA-APUHZ-RP4VHA1 PUHZ-RP4V

12513-2-5. Outdoor Power circuit boardPUHZ-RP1.6VHAPUHZ-RP2VHAPUHZ-RP2.5VHAPUHZ-RP3VHAPUHZ-RP3VHA-A13LD1-LD2300-380V DCConnect to the outdoorcontrolle

12613-2-6. Outdoor Power circuit boardPUHZ-RP4VHA PUHZ-RP4VHA-APUHZ-RP5VHA PUHZ-RP5VHA-APUHZ-RP6VHA PUHZ-RP6VHA-APUHZ-RP4VHA1 PUHZ-RP4VHA1-APUHZ-RP5VH

127TROUBLESHOOTING141 The operating display of remote controller does not come on.Phone Calls From Customers How to Respond Note1 Check if power is s

128Phone Calls From Customers How to Respondm Note1 Check the set temperature of remote controller. The outdoor unit cannot be operated if the set

1293 Air blows out for a while after HEAT operation is stopped.Phone Calls From Customers How to Respond Note3 This is not a malfunction. The

13PUHZ-RP1.6VHAPUHZ-RP2VHAPUHZ-RP2.5VHAPUHZ-RP3VHAPUHZ-RP3VHA-AMODELSSW6W1 MODEL SELECT1.6V2VMODELSSW62.5V3V1ONOFF234561ONOFF234561ONOFF234561ONOFF234

130Phone Calls From Customers How to Respond NoteThis is not a malfunction.This may occur when the operation gets started in the room of high humidit

131SYSTEM CONTROL15Outdoor unitIndoor unitRemote controllerIndoor unitRemote controllerOutdoor unitIndoor unitRemote controllerIndoor unitRemot contro

132Adapter to input external demand signalsRelay circuit Outdoor unitRemote controller boardIndoor unitDedicated outdoor unitMB-101 or MB-102Display

13315-2. One Remote Controller (Standard) Operation(1) One Wired Remote Controller(OC: Outdoor unit IC: Indoor unit R: Remote controller (for wi

134Slim Air Conditioners SystemRemote controller connection circuit (Controller cable)Outdoor unit OCIndoor unit ICWired remote controller ROCIC-1IC-2

135(3) One each of wired and wireless remote controllers(OC: Outdoor unit IC: Indoor unit R: Master remote controller R’: Wireless remote con

13615-5. Power Outage Automatic Recovery Operation• Whenever a power outage or switching of the power supply causes the power supply of an operating a

137Note: When using group address, connect to refrigerant address "0" on the inside.Control circuitpower supplyDedicated short circuit preve

13815-8. Obtaining remote displayUse the A control operating display kit (PAC-SF40RM-E) to provide operation/error non-voltage contact output and on/o

139(2). Basic pattern for timer controlUse a no-voltage contact point output timer (one that has separate circuits for the load side and timer power s

14PUHZ-RP4VHAPUHZ-RP5VHAPUHZ-RP6VHAPUHZ-RP4VHA1PUHZ-RP5VHA1PUHZ-RP6VHA1PUHZ-RP4VHA-APUHZ-RP5VHA-APUHZ-RP6VHA-APUHZ-RP4VHA1-APUHZ-RP5VHA1-APUHZ-RP6VHA1

HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI CHIYODA-KU TOKYO100-8310, JAPANcCopyright 2003 MITSUBISHI ELECTRIC ENGINEERING CO., LTD.Distrib

15REFRIGERANT SYSTEM DIAGRAM4Measurement itemCOOL: 2.3 ~ 3.0 HEAT: 2.0 ~ 3.20.55 ~ 1.050 ~ 100-2 ~ +18COOL: 27: HEAT: 20:COOL: 8 ~ 20HEAT: 30 ~

164-2. Refrigerant System DiagramPipe temperature thermistor/liquid (TH2)Distributorwith strainer#50Condenser/evaporator temperature thermistor(TH5)Ro

17PUHZ-RP2.5VHAPUHZ-RP3VHAPUHZ-RP3VHA-ADistributorThermistor TH7(Outdoor)Heat exchangerRefrigerant GAS pipeconnection(5/8F)Refrigerant LIQUID pipeconn

18PUHZ-RP4VHA PUHZ-RP4VHA-APUHZ-RP5VHA PUHZ-RP5VHA-APUHZ-RP6VHA PUHZ-RP6VHA-ADistributorThermistor TH7(Outdoor)Heat exchangerRefrigerant GAS pipeconne

194-3. Applicable extension pipe for each model4-3-1. 1:1 system(a) Pipe length(b) Adjusting the amount of refrigerant• Additional refrigerant charge

21PAIRING TABLE OF THE INDOOR AND OUTDOOR UNITSHeat pump typeOutdoor unitPUHZ-RP PEAD-RP·EA.UKPEAD-RP·EA1.UKPLA-RP·AA.UKPLA-RP·AA1.UKPEAD-RP·GA.UKPLA-

205 1015202530354045505580Capacity ratio [%]Corrected pipe length859095100Heating RP1.6, RP2Cooling RP1.6Cooling RP21009590858075705 10152025303540455

215 1015202530354045505580Capacity ratio [%]Corrected pipe length859095100Heating RP2.5, RP3Cooling RP3Cooling RP2.544When gas pipe is one size larger

22Synchronized twinOutdoor unitOutdoorunitPUHZ-RP3VHAPUHZ-RP3VHA-APUHZ-RP4-6VHAPUHZ-RP4-6VHA-APUHZ-RP3VHAPUHZ-RP3VHA-APUHZ-RP4-6VHAPUHZ-RP4-6VHA-A30 m

23Indoor unitIndoor unitOutdoor unitBranch pipe BBranch pipe CMain pipe AOptional distributing pipeMulti-distributor30 m or less1 m or lessSynchronize

245HOW TO CHECK THE PARTSParts name Check pointsDisconnect the connector then measure the resistance using a tester.(Surrounding temperature 10:~30:)D

25Parts name Check pointsMeasure the resistance between the terminals using a tester.(Surrounding temperature20:)Measure the resistance between the te

26PCA-RP2GA PCA-RP2.5GA PCA-RP3GAPCA-RP4GA PCA-RP5GA PCA-RP6GA112233RedWhiteBlackRelay connectorProtector12GrayGray452361OrangeRedPinkYellow Brown Blu

27Parts name Check pointsMeasure the resistance between the terminals using a tester.(Winding temperature 20:)Fan motor (MF)PEAD-RP4,5,6EA(1).UKPEAD-R

285-2. OUTDOOR UNITPUHZ-RP1.6HA PUHZ-RP2VHA PUHZ-RP2.5VHA PUHZ-RP3VHAPUHZ-RP4VHA PUHZ-RP5VHA PUHZ-RP6VHAPUHZ-RP4VHA1 PUHZ-RP5VHA1 PUHZ-RP6VHA1PUHZ-RP4

295-3. COMPRESSOR TECHNICAL DATAU-VU-WW-VUnitCompressor modelWindingResistance( " )ANV33FDAMT(at 20°C)0.2660.2660.266SNB130FLBH0.300 ~ 0.3400.300

3SPECIFICATIONS FOR ELECTRICAL WORK22-1. Field electrical wiring(power wiring specifications)PUHZ-RP•VHAPUHZ-RP•VHA-AOutdoor unit power supply*1*2*3*4

30HOW TO CHECK THE COMPONENTS<Thermistor feature chart>Low temperature thermistors• Thermistor <Outdoor pipe> (TH3)• Thermistor <Outdoo

31<Output pulse signal and the valve operation>(2) Linear expansion valve operationABCOpenOpenExtra tightning (about 200 pulse)Pulse number500 p

32Main bodyLead wireStopperCoilABe sure to attach thestopper to pipe B.BA(3) How to attach and detach the coil of linear expansion valve <Composit

33MICROPROCESSOR CONTROL66-1. System construction(1) System constructionA-control model which just wires the connecting line between the indoor and ou

34(2) The transmitting specification for “A” control1Wiring regulationsCross section of cableRound2.52.51.52.53344(50)✽1(45)✽360✽4Notapplicable✽2FlatF

35(3) The waveforms of from remote controller communicationsThe following graphs are the examples for measuring waveforms on the wirings of remote con

36(4) The waveforms of communications between indoor and outdoor unitsThe following graphs are the examples for measuring waveforms on the wirings of

37(5) Start-up systemA control unit is applicable to any models of standard (1:1), twin and triple without switch setting according to carrying out th

38Number of fan speedDrive methodProvidedSwing functionShutter mechanismMotor typeProvidedMotor type4Pulsation(AC motor)Stepping(12V DC)——Item4-way ce

39INDOOR UNIT CONTROL77-1. COOL operationControl modesControl details1-1. Thermoregulating function (Function to prevent restarting for 3 minutes)

42-2. M-NET wiring method(Points to notice)(1) Outside the unit, transmission wires should stay away from electric wires in order to prevent electroma

40→321→321→Control modesControl details3-1. Drain pump control •Always drain pump ON during the COOL and DRY mode operation.(Regardless of the com

417-2. DRY operationControl modesControl details1-1. Thermoregulating function (Function to prevent restarting for 3 minutes) Setting the compre

427-4. HEAT operationControl modesControl details1-1. Thermoregulating function (Function to prevent restarting for 3 minutes)• Room temperature [

43Control modesControl detailsControlled by the remote controller (4-speed or 2-speed)Give priority to under-mentioned controlled mode 3-1. Hot adjust

44Control modesControl details4-1. Drain pump control The drain pump turns ON for the specified amount of time whenany of the following conditions i

451. Drain pumpControl modesControl detailsHEAT mode for room temperature < Desired temperatureCOOL mode for room temperature ] Desired temperature

46Available Timer-Interlocked Operation Modes1. AUTO START/STOP:Allows both start and shutdown to be interlockedwith the timer.2. AUTO START: Allows a

47OUTDOOR UNIT CONTROL88-1. COOL operation1. CompressorControl modes RemarksControl details1-2. Normal controlCompressor operating frequency is contro

481. CompressorControl modes RemarksControl details1-6. Discharge temperature over-rise prevention controlFrequency controls such as Hz-down and no mo

493. LEV(A)Control modes RemarksControl details3-1. Normal controlOpening pulse will vary among steps (1 to 3) according to air conditioner’s operati

52-2-3. Regulations in address settingsIn case of multiple grouping system, M-NET and refrigerant address settings should be done as explained in the

504. LEV(B)Control modes RemarksControl details4-1. Normal controlLEV opening pulse will be controlled according to the change of compressor operating

511. CompressorControl modes RemarksControl details1-1. Thermoregulating functionThe outdoor unit receives information of set temperature and intake t

52Control modes RemarksControl details2. Fan2-1. Normal controlFan rotation times (rpm) will be controlled according to the outdoor outside temperatur

53Control modes RemarksControl details4-2. Low discharge super heat temperature protection controlSet a small value for the targeted opening pulse acc

54Control modes RemarksControl details5-2. Compulsory step-up When any of the following conditions are satisfied, the step will be forced to 3. (1)

55Control modes RemarksControl details6. Four way valveOperation modeFour way valveCOOLHEATONOFFOperation modeFour way valveHEATStopONOFF6-1. Normal c

568-3. DRY operation1. CompressorControl modes RemarksControl detailsRefer to “INDOOR UNIT CONTROL” for ON/OFF judgment method1-1. Thermoregulating fu

578-4. FAN operation1. Compressor2. Fan3. Four way valveControl modes RemarksControl detailsAlways OFFAlways OFFAlways OFF8-5. Defrosting operation1.

582. Stop 3. Defrosting prohibition timeControl modes RemarksControl detailsDefrosting prohibition time (T1 and T3) are decided by the previous defro

598-6. AUTO operation1. Initial operation modeControl modes RemarksControl detailsWhen a operation mode turns into AUTO operation;1 HEAT mode will be

63 WIRING DIAGRAM[Servicing]Fasten terminal of the terminal board "TB4" equips lock system.To remove the fastened terminal, pull it while pr

60Control modes RemarksControl details2. Frequency2-1. Frequency is restricted by the compressor electrical current (CT1).Frequency control such as Hz

618-8. Replacement operation (RP4 to 6V Only)1. Start and end of replacement operationControl modes RemarksControl details1-1. Requirements fo

628-9. Refrigerant collecting (pump down)1. Start and end of pump down operationControl modes RemarksControl details1-1. Requirements for startingPump

63DIP SWITCH FUNCTION99-1. Indoor unitDIP switch and jumper connector functions.Each function is controlled by the jumper connector in the control p.c

64SwitchTypeofswitchDipswitchSW112No.Function Effective timingAction by the switch operationCompulsory defrosting Start NormalWhen compressor is worki

659-2-2. Function of connectors and jumpers CN31Types Connector Function Effective timingConnectorSW6orJumperSW6-1(J1)SW6-3(J3)SW-6-4(J4)SW6-4(J5)SW6-

66Special 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

679-2-3. Optional partsA-control Service Tool [ PAC-SK52ST ]w Use CN33 open.(2) Function of jumpers(1) Function of switchesw Use SW3 set to OFF.Type o

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

69SW2 setting1ON23456Display detailExplanation for display UnitPipe temperature / Liquid(TH3)– 40~90– 40~90(When the coil thermistor detects 0: or bel

7PKA-RP1.6GAL PKA-RP2GAL3.While pointing the remote controller toward the unit's receiver, press the h button. · The check code will be indi

70SW2 setting1ON23456Display detailExplanation for display UnitPipe temperature / Liquid(TH3) on erroroccurring– 40~90– 40~90(When the coil thermistor

71SW2 settingDisplay detailExplanation for displayUnit1ON234561ON23456Outdoor unit setting informationIndoor pipe temperature / Liquid(TH2(1))Indoor 1

721ON23456°CDischarge super heat. SHd0~255Cooling = TH4-TH6Heating = TH4-TH50~255(When the temperature is 100°C or more, hundredsdigit, tens digit and

73SW2 settingDisplay detailExplanation for display UnitCode displayError postponement code history (2)of outdoor unitPostponement code displayBlinking

74Indoor pipe temperature / Liquid(TH2 (3))Indoor 3-39~88-39~88(When the temperature is 0°C or less, “–” and temperature are displayed by turns.)1ON23

75SW2 settingDisplay detailExplanation for display UnitReplacement operationWIf replacement operation is conductedeven once, “1” is displayed.If repla

7610 FUNCTION SETTINGPAR-20MAAON/OFF CENTRALLY CONTROLLEDERROR CODECLOCKON OFF˚CCHECKCHECK MODEFILTERTEST RUNFUNCTION˚C1Hr.NOT AVAILABLESTAND BY DEFRO

77Example) When the refrigerant address is set to 00 and the unit number is02.(a) Outdoor unit(b) Indoor unit(c) Unit number 01(d) Unit number 02(e) U

78•When controlling each unit (unit 01 to 04) individually ➜Select "01" to "04."•When controlling all the units (unit 01 to 04) at

79Other function selectionsNow that you know how to change the power voltage setting, there are several other settings that can be changed as well. Th

8P.BMVYLWBRNORN6TB4S1S2S3TO OUTDOOR UNITDIFFERENT FROM ABOVEOFFOFF(0.4+0.4)SEC.FLASH ✕ 11SEC.FLASH ✕ 21SEC.FLASH ✕ 81SEC.FLASH ✕ 61SEC.FLASH ✕ 21SEC.F

803 Setting the unit numbersSet “00” as the unit number when setting functions from Table 2.When setting functions from Table 3:- When setting functio

81Supplementary information1) Energy-saving warm airflow controlStart timing: Starts when thermostat is switched from ON to OFF after HEAT mode and th

821.Fan speed2.Vertical vane3.Horizontal vane4.Operation mode1 Speed 42 Speed 33 Speed 24 Speed 11 Louver [None]2 Louver [Equipped]1 Vane [Equipped]/

831.Fan speed2.Vertical vane3.Horizontal vane4.Operation mode1 Speed 42 Speed 33 Speed 24 Speed 11 Louver [None]2 Louver [Equipped]1 Vane [Equipped]/

841.Fan speed2.Vertical vane3.Horizontal vane4.Operation mode1 Speed 42 Speed 33 Speed 24 Speed 11 Louver [None]2 Louver [Equipped]1 Vane [Equipped]/

85ON/OFFTEMPFANVANEMODECHECKLOUVERTEST RUN AUTO STOP AUTO STARThminRESETSETCLOCKMODEL SELECTModel No.TemperaturebuttonSET buttonPair No.Minuteb

8611TEST RUN • REPLACEMENT OPERATION & EMERGENCY OPERATION11-1. Test run • replacement operation11-1-1. Check points• After installation of indoor

8711-2. Before test runAfter installation of indoor and outdoor units, and pipingand electric wiring work, re-check that the unit is freefrom leaks of

88Remote Controller DisplaySymptomsOUTDOOR BOARD LED Display CauseRemote controller is displaying "H0", and operation is not possible.After

89(2) Outdoor UnitTest run by outdoor unit SW4The setting of test run (ON/OFF) and its operation mode (cooling/heating) can be set by SW4 on the contr

9PCA-RP2GA PCA-RP2.5GA PCA-RP3GAPCA-RP4GA PCA-RP5GA PCA-RP6GAService board234ON1OFF234ON1OFF234ON1OFF234ON1OFF234ON1OFFOFFON4321Manufacture<For ser

90(2) Outdoor unit1. When the error codes shown below are displayed on outdoor unit or microcomputer for wired remote controller or indoor unit has a

91(3) Operation data during emergency operationDuring emergency operation, no communication is performed with the indoor unit, so the data items neede

9212SELF-DIAGNOSIS12-1. Malfunction-diagnosis method by remote controller12-1-1. Error history of unit(1) Wired remote controllerMode numberSetting nu

93ERROR CODE(2)(3)ERROR CODE5 (1)b)ERROR CODEERROR CODE (2) (3)4 To cancel self-diagnosisThere are following two methods to cancel self-diagnosis:Pr

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

951a)23(1) (2) (3) (4)b)12-1-2. Wired Remote controller DiagnosisIf operation can not be carried out from remote controller, tryremote controlle

9612-2. Trouble shooting by inferior phenomenaPhenomena Factor Countermeasure(1)Remote controller display does notwork.(Electric current marker “

97(7)Though the remote controller dis-play is normal in cool mode, thecapacity is not enough.1Filter clogging (dirt)2Heat exchanger clogging (dirt)3Ai

98How long is “H0” kept being displayed on the remote controller?6 minutes or more2 minutes or less2 to 6 minutesNONOYESYESAre any error codes display

99AC 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