Mitsubishi Electric PKFY-P30NKMU-E Service Manual

TECHNICAL & SERVICE MANUALCONTENTS1. PART NAMES AND FUNCTIONS ...22. SPECIFICATION ...43. OUTLINES AND DI

10When drain socket is installed9-3/16(233)When drain socket is installedDrainage9-11/16(246)14NOTES.1.Use M10 or W3/8 screw for anchor bolt.2.Please

114WIRING DIAGRAMCN27CN32CN51CN52SW2SW3SW4SWEZNR01,02DSAFUSEX1MFMVDPFSTB2TB5TB15TH22TH23LEVSW1SW11SW12SW14SWASWCW.BRUBZLED1LED2SW1SW2POWER SUPPLYTRANS

125 REFRIGERANT SYSTEM DIAGRAMRefrigerant flow in coolingRefrigerant flow in heatingStrainer (#100 mesh)Strainer (#100 mesh)Strainer1 (#50 mesh)Strain

13MICROPROCESSOR CONTROL6PAR-21MAAON/OFFFILTERCHECKOPERATIONCLEARTESTTEMP.MENUBACK DAYMONITOR/SETCLOCKON/OFFûF ûCûF ûCERROR CODEAFTERTIMERTIME SUN MON

14→Control modesControl details3-1. Drain pump control •Drain pump is always ON during the COOL and DRY mode operation. (Regardless of the therm

15Control modesControl details1-1. Thermo regulating function (Function to prevent restarting for 3 minutes) Setting the Dry thermo by the therm

16Control modesControl detailsSet by remote controller.When [Auto] is set, fan speed becomes [Low].2. Drain pump Remarks1. FanTypeFan speed notch4 spe

17Control modesControl details1-1. Thermoregulating function (Function to prevent restarting for 3 minutes) • Room temperature desired temperatur

18→Control modesControl details2. Fan Remarks2-3. Thermo OFF mode When the thermoregulating function changes to OFF, the indoor fan operates in

191. Drain pumpControl modesControl detailsHEAT mode for room temperature < Desired temperatureCOOL mode for room temperature Desired temperatur

Indoor unit1PART NAMES AND FUNCTIONSAir outletLouverVaneAir intakeFilter(Inside of Air intake)2

207TROUBLESHOOTING7-1. HOW TO CHECK THE PARTSPCFY-P15NKMU-E PCFY-P24NKMU-E PCFY-P30NKMU-E PCFY-P36NKMU-EParts name Check pointsDisconne

214Φ4365Φ32Φ21Φ1Φ4Φ3Φ2Φ1Controller boardDrive circuitConnector(CN60)DC12VBrownRedBlueOrangeYellowWhiteM462351BlueBrownYellowOrangeRedWhiteLinear expan

22654321LED1kΩSymptomCheck pointsOperation circuit failure of the micro processorDisconnect the connector on the controller board, then con-nect LED f

23Notes · High voltage is applied to the connecter (CNMF) for the fan motor. Pay attention to the service. · Do not pull out the connector (CNMF) for

24SW3-5Note : 4 SW3-5Vane settingInitial setting●Setting Vane positionOFF Set up Standard StandardON Set upLess draft Upward position than the stand

25059483726105948372610594837261059483726108F7E6D5C4B3A29108F7E6D5C4B3A291SwitchSWACeilingheightselectorSWCOptionselectorRotary switchRotary switchSW1

26• To operate each indoor unit by each remote controller when installed 2 indoor units or more are near, Pair No. setting is necessary. Pai

277-3. TEST POINT DIAGRAM7-3-1. Indoor controller boardPCFY-P15NKMU-E PCFY-P24NKMU-E PCFY-P30NKMU-E PCFY-P36NKMU-ECN52Remote indicatorCN51

287-3-2. Address boardPCFY-P15NKMU-EPCFY-P24NKMU-EPCFY-P30NKMU-EPCFY-P36NKMU-ESW1Function settingSW12Address setting10ths DIGITSW11Address setting1st

OPERATING PROCEDUREPHOTOS & ILLUSTRATIONS298DISASSEMBLY PROCEDURE1. Removing the air intake grille (1) Slide the air intake grille holding knobs (

3°F°C°F°CERROR CODEAFTERTIMERTIME SUN MON TUE WED THU FRI SATONOFFHrAFTERFILTERFUNCTIONONLY1Hr.WEEKLYSIMPLEAUTO OFFPAR-21MAAON/OFFFILTERCHECKOPERATION

OPERATING PROCEDUREPHOTOS & ILLUSTRATIONS303. Removing the room temperature thermistor (TH21) (1) Remove the air intake grille. (See Figure 1,2) (

OPERATING PROCEDUREPHOTOS & ILLUSTRATIONS31ScrewSide panel (Right)Side panel (Left)Sliding the panelto the frontFigure 36. Removing the side pan

OPERATING PROCEDUREPHOTOS & ILLUSTRATIONS328. Removing the under panel(1) Remove the air intake grille. (See Figure 1,2) (2) Remove the left and r

OPERATING PROCEDUREPHOTOS & ILLUSTRATIONS3312. Removing the Auto vane(1) Remove the intake grille. (See Figure 1,2)(2) Remove the right side panel

OPERATING PROCEDUREPHOTOS & ILLUSTRATIONS3413. Removing the heat exchanger and LEV(1) Remove the air intake grille. (See Figure 1,2) (2) Remove th

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Copyright 2009 MITSUBISHI ELECTRIC ENGINEERING CO., LTD.Distributed in Feb. 2009 No. OCH450 PDF 7Made in JapanNew publication, effective Feb. 2009Spec

42SPECIFICATION2-1. SPECIFICATIONS*1 Nominal cooling conditionsNote :Indoor :Outdoor :Pipe length :Level difference :80°FDB/67°FWB (26.7°CDB/19.4°CWB)

5Parts nameSymbolTH21TH22TH23FUSEMFMVDPFSLEVTB2TB5TB15Resistance 30°F/15.8kΩ, 50°F/9.6kΩ, 70°F/6.0kΩ, 80°F/4.8kΩ, 90°F/3.9kΩ, 100°F/3.2kΩResistance 30

6PCFY-P15NKMU-EExternal static pressure : 0PaPower source : 208V, 230V, 60HzPCFY-P24NKMU-EExternal static pressure : 0PaPower source : 208V, 230V, 60H

72-5. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICSQ0BAC1Curve in thegraphsDuct characteristicsat siteQAEC2QQaAD3Q…Designed amount of

83OUTLINES AND DIMENSIONSPCFY-P15NKMU-EUnit : inch(mm)DrainageWhen drain socket is installedWhen drain socket is installedDrainage9-3/16(233)9-11/16(2

9PCFY-P24NKMU-EUnit : inch(mm)When drain socket is installed9-3/16(233)DrainageWhen drain socket is installed9-11/16(246)i-see sensor14liquid Φ3/8(Φ9.