Mitsubishi P15 Wartungshandbuch Seite 1

TECHNICAL & SERVICE MANUALCONTENTS1. TECHNICAL CHANGES ...22. SAFETY PRECAUTION ...23. PART NAMES AND

104-2. ELECTRICAL PARTS SPECIFICATIONSParts nameService ref.SymbolTH21TH22TH23FUSEMFC1MVLEVTB2TB5Resistance 0/15k, 10/9.6k, 20/6.3k, 25/5.4k,

1111M1 M2NL60mm or more for left and left back piping.Terminal blockAir intake(Direction)Terminal block DetailedAddress boardThe first sideThe second

12Mark MeaningLED1Main power supplyMain power supply (indoor unit:220-240V)power on lamp is litFunctionLED on indoor board for serviceONOFF1234MO

1313Mark MeaningLED1Main power supplyMain power supply (indoor unit:220-240V)power on lamp is litFunctionLED on indoor board for serviceONOFF1234

14TROUBLESHOOTING87REFRIGERANT SYSTEM DIAGRAM8-1. HOW TO CHECK THE PARTSPKFY-P15, 20, 25VBM-EPKFY-P20, 25VBM-ER1PKFY-P15, 20, 25VBM-ER2Strainer (#100m

151501020304050-20 -10 0 10 20 30 40 50< Thermistor for lower temperature >Temperature ()Resistance (K)4:4365:32:21:1:4:3:2:1Controller boardD

16Output(Phase)Output{11ON{2ON{3OFF{4OFF2OFFONONOFF3OFFOFFONON4ONOFFOFFON<Output pulse signal and the valve operation>2 Linear expansion valve o

178-2. FUNCTION OF DIP SWITCH123456789101~412345678910Thermistor<Intake temperature>positionON OFFFilter clogging Provide Not provideFilter sign

18J41, J42WirelessremotecontrollerPair NoJumperPattern ASetting patternJ41 J42Indoor controller jumper wirePair No. of wirelessremote controllerInitia

198-3. TEST POINT DIAGRAM8-3-1. Indoor controller board PKFY-P15, 20, 25VBM-EPKFY-P20, 25VBM-ER1PKFY-P15, 20, 25VBM-ER2CN3AConnected to the MA-Remote

21TECHNICAL CHANGESCautions for units utilizing refrigerant R407CCAUTIONS RELATED TO NEW REFRIGERANTDo not use the existing refrigerant piping.The old

208-3-2. Indoor power boardPKFY-P15, 20, 25VBM-EPKFY-P20, 25VBM-ER1PKFY-P15, 20, 25VBM-ER2FUSE6.3A 250VCN53PConnected to the indoor controller board (

1234 56789101234567890 1234567890 123456789ABCDEF0 218-3-2. Indoor power boardPKFY-P15, 20, 25VBM-EPKFY-P20, 25VBM-ER1PKFY-P15, 20, 25VBM-ER28-3-3. Ad

22DISASSEMBLY PROCEDURE91. REMOVING THE LOWER SIDE OF THE INDOOR UNIT FROM THE INSTALLATION PLATEWhen there is removing plate(1) Remove the corner box

23233. REMOVING THE INDOOR CONTROLLER BOARD AND INDOOR POWER BOARD(1) Remove the front panel. (Refer to 2)(2) Remove the electrical box cover (screw 4

245. REMOVING THE NOZZLE ASSEMBLY AND DRAIN HOSE(1) Remove the front panel (Refer to 2).(2) Remove the electrical box cover.(3) Disconnect the connect

251. REMOVING THE LOWER SIDE OF THE INDOOR UNIT FROM THE INSTALLATION PLATEWhen there is removing plate(1) Remove the corner box at right lower side o

263. REMOVING THE INDOOR CONTROLLER BOARD AND INDOOR POWER BOARD(1) Remove the front panel. (Refer to procedure 2)(2) Remove the electrical box cover

277. REMOVING THE LINE FLOW FAN AND THE FAN MOTOR(1) Remove the front panel. (Refer to procedure 2)(2) Remove the nozzle assembly. (Refer to procedure

8. REMOVING THE VANE MOTOR(1) Remove the front panel. (Refer to procedure 2)(2) Remove the screw of the electrical parts box cover, and remove the cov

33[3] Service tools Use the below service tools as exclusive tools for R407C refrigerant.[2] Refrigerant recharging (1) Refrigerant recharging proce

4Cautions for units utilizing refrigerant R410AStore the piping to be used indoors during installation and both ends of the piping sealed until just b

5[1] Cautions for service(1) Perform service after collecting the refrigerant left in the unit completely.(2) Do not release refrigerant in the air.(3

63PART NAMES AND FUNCTIONS Indoor unitFilterGrilleLouverAir outletAir intakeVaneOCH418B

77°F°C°F°CERROR CODEAFTERTIMERTIME SUN MON TUE WED THU FRI SATONOFFHrAFTERFILTERFUNCTIONONLY1Hr.WEEKLYSIMPLEAUTO OFFPAR-21MAAON/OFFFILTERCHECKOPERATIO

8 Wireless remote controllerON/OFF TEMPFANVANETEST RUNAUTO STOPAUTO STARThminLOUVERMODECHECKRESETSET CLOCKMODEL SELECTNOT AVAILABLECHECKTEST RUN°CAM

99*1 Nominal cooling conditionsNote :Indoor :Outdoor :Pipe length :Level difference :27°CDB/19°CWB (81°FDB/66°FWB)35°CDB (95°FDB)7.5 m (24-9/16 ft)0 m