Mitsubishi Electric PFFY-P40VKM-E2 Manuale di Servizio

TECHNICAL & SERVICE MANUALIndoor unit[Model names] [Service Ref.]PFFY-P20VKM-E2PFFY-P25VKM-E2PFFY-P32VKM-E2PFFY-P40VKM-E2No. OCH537INDOOR UNITFlo

10°F°C°F°CERROR CODEAFTERTIMERTIME SUN MON TUE WED THU FRI SATONOFFHrAFTERFILTERFUNCTIONONLY1Hr.WEEKLYSIMPLEAUTO OFFPAR-21MAAON/OFFFILTERCHECKOPERATIO

11Caution Only the Power on indicator lights when the unit is stopped and power supplied to the unit. If you press a button for a feature that is not

123SPECIFICATION3-1. SpecificationItemPFFY-P20VKM-E2Power source 1-phase 220-240V 50HzCooling capacity kW 2.2 2.8 3.6 4.5Heating capacity kW 2.5 3.2 4

1313Parts nameModelSymbolTH21TH22TH23FUSEMF1MF2MV1MV2LEVTB2TB5Resistance 0/15k, 10/9.6k, 20/6.3k, 25/5.4k, 30/4.3k, 40/3.0kResistance 0/1

144NOISE CRITERIA CURVES90807060504030201063 125 250 500 1000 2000 4000 8000NC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.00

15AIR OUTLET SELECTION5With this function, air comes out simultaneously from the upper and lower air outlets so that the room can be cooled or heated

166OUTLINES AND DIMENSIONSUnit : mmINDOOR UNIT60121960125147454155603545110806072337 33736333321059371311314-:6 HoleIndoor unitInstallation plate96123

17WIRING DIAGRAM7MODELSP20VBMSW2123456ONOFFP25VBM123456ONOFFP32VBM123456ONOFFP40VBM123456ONOFFThe black square ( )indicates a switch position. <*1&

188 REFRIGERANT SYSTEM DIAGRAMStrainer (#50mesh)Strainer (#100mesh)Strainer1 (#50mesh)Strainer2 (#50mesh)Heat exchangerThermistor (Room temperature de

199TROUBLE SHOOTING9-1. HOW TO CHECK THE PARTSParts name Check pointsDisconnect the connector then measure the resistance with a tester.(Surrounding t

2SAFETY PRECAUTION1Cautions for units utilizing refrigerant R410ACharge refrigerant from liquid phase of gascylinder.If the refrigerant is charged fro

2001020304050-20-100 1020304050< Thermistor for lower temperature >Temperature ()Resistance (K)4:4365:32:21:1:4:3:2:1Controller boardDrive cir

21Output(Phase)Output{11ON{2ON{3 OFF{4 OFF2OFFONONOFF3OFFOFFONON4ONOFFOFFON<Output pulse signal and the valve operation>2 Linear expansion valve

229-2. FAN MOTORNotes · High voltage is applied to the connecter (CNMF1) for the fan motor. Pay attention to the service. · Do not pull out the connec

23Switch Function RemarksEffectivetimingUndersuspensionUndersuspensionBeforepowersupplyONBeforepowersupplyON<Initial setting>ONOFF1234567 8910Ad

24059483726105948372610594837261059483726108F7E6D5C4B3A29108F7E6D5C4B3A291SwitchSWCAiroutletselectorRotary switchRotary switchSW14BranchNo.settingSW11

259-4. TEST POINT DIAGRAM9-4-1. Indoor controller boardPFFY-P20VKM-E2PFFY-P25VKM-E2PFFY-P32VKM-E2PFFY-P40VKM-E2SW2Capacity settingSW3Function settingS

269-4-2. Address boardPFFY-P20VKM-E2PFFY-P25VKM-E2PFFY-P32VKM-E2PFFY-P40VKM-E2SW1Function settingSW1210ths digit addresssettingSW111s digit address se

OPERATING PROCEDUREPHOTOS2727DISASSEMBLY PROCEDURE10Photo 1Photo 21. Removing the panel(1) Push both sides of the upper part of the front grille and

OPERATING PROCEDURE PHOTOS282. Removing the indoor controller board and address board(1) Remove the panel. (Refer to procedure 1) (2) Remove the scr

29OPERATING PROCEDURE PHOTOSPhoto 64. Removing the vane motor (MV1)(1) Remove the panel. (Refer to procedure 1)(2) Remove the screws of the vane moto

33GravimeterUnit[3] Service tools Use the below service tools as exclusive tools for R410A refrigerant.[1] Cautions for service(1) Perform service af

30OPERATING PROCEDURE PHOTOSPhoto 10Photo 9Screws of the vane motorLead wires of the vane motor Photo 11Screw of the motor bandScrew of theground wire

31OPERATING PROCEDURE PHOTOSPhoto 14Photo 13Heat exchangerScrews of the heat exchanger8. Removing the pipe temperature detection (liquid and gas) th

HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPANC Copyright 2012 MITSUBISHI ELECTRIC CORPORATIONDistributed in Dec. 201

4PART NAMES AND FUNCTIONS22-1. Indoor UnitLouverLouverAir outletVaneFilterVaneAir outlet Air inletOCH537

55Function buttonsF1 F2 F3 F4Press to turn ON/OFF the indoor unit. ON / OFF buttonWhen the backlight is off, pressing any button turns the backlight o

6FriMode Temp. FanRoomCool AutoSet temp.FriCoolMode Temp. FanAutoSet temp.The main display can be displayed in two different modes: "Full" a

7Not all functions are available on all models of indoor units.Filter informationError informationEnergy savingAuto returnScheduleNight setbackMain me

8Setting and display items Setting detailsVane · Louver · Vent. (Lossnay)Use to set the vane angle.• Select a desired vane setting from f ve different

9Setting and display items Setting detailsInitial setting DisplaydetailsMake the settings for the remote controller related items as necessary.Clock: