SERVICE MANUAL - Toshiba

1-2-16.Fresh Air Intake Indoor Unit for S-MMSModel: MMD-AP0481HFEWHI8 7 RED43F1Surge absorberFanCN083(WHI)977531DPCN068(BLU)(Option)11DP33LMCN033(GRN)131 31 2 3TA1 21 2TCJ1 21 2TC21 21 2TC11 31 2 3TF1 21 2BLKP301RY007HMLULCN030(RED)FSCN104(YEL)CN102(RED)CN101(BLK)CN100(BRW)CN103(GRN)CN080(GRN)123PNLRED ACINWHI131 13 31 13 31 12 2CN304 (GRY)CN309 (YEL)FuseT5.0A, 250V ~CN067 (BLK)CN066 (WHI)RY004CN044(BRW)RY006CN040(BLU)RY005CN041(BLU)RY002CN050(WHI)RY001CN074(WHI)Powersupply circuitControl P.C. Boardfor Indoor UnitMCC-1403CN075(WHI)CN061(YEL)CN032(WHI)CN073(RED)CN070(WHI)CN081(BLK)CN082(BLU)CN060(WHI)1212123456 65 54 43 32 2EXCTFilter5 52 21 13 34 41 1 6 6PMV1 2 1 2 1 2 3 1 2 3 4 5 1 2 3 1 2 3 4 5 6 1 2 3 4 5 6 1 2EMG1 2 1 31 2 3 1 2 3 4 5 6T10 Fan driveBLUBLUBLK BLK1 2 3 4 5 61 2 3 4 5 6CN02(YEL)1 2 3 4 5 6OptionLine filterU1 U2ABSub P.C. boardMCC-15201 2 3 4 5 61 2 3 4 5 6CN01(WHI)Fan motor inside wiring diagramBLUREDWHIU1 U2TR1BLKWHIGRYORN13REDWHIOutdoor unitABRemotecontrollerboardRemote controllerRED49FMotor over heating protection switchConnectorWHIREDF1T10A, 250V ~REDIndoor unitearth screwR(L)S(N)RED543F13YEL6443F1RCSymbolPower supply220 – 240V ~ 50Hz220V ~ 60HzParts nameClosed-endconnectorWHIREDGRY1 2 3 41 2 3 4WHIREDGRY4P (WHI)Fan 1AF1 F2 F3 F4BLU ORN BLKFMRCTR1TAFan MotorRunning CapacitorTransformerIntake air temp. sensorWHIREDGRY1 2 3 41 2 3 4WHIREDGRY4P (WHI)1 2 3BLU ORN BLKTFTC1, TC2, TCJRY005 ~ 007RY002PMVF143F1DPFSBlow temp. sensorTemp. sensorFan motor control relayDrain control relayPulse Motor ValveFuse for fan motorFan motor control relayDrin Pump motorFloat SwotchSold separatelyG & YFMColor IdentificationRED : REDWHI : WHITEYEL : YELLOWBLU : BLUEBLK : BLACKGRY : GRAYPNK : PINKORN : ORANGEBRW : BROWNG & Y : GREEN & YELLOW1. indicates the terminal block.Latter at inside indicates the terminal number.2. A dotted line and broken line indicate the wiring at site.3. indicates the control P.C. board.4. When installing the drain pump connect the froat switch connector to CN030 connector.5. A position is connected to terminal block when change to static pressure.Exchange the lead wire of arrow ( ) pisition after the terminal number as figure andlead wire’s color of fan motor.Terminal block No.F1 (Low static pressure tap)F2 (Intermediate static pressure tap)F3 (High static pressure tap)F4Fan motor wiringBlue (50/60Hz)Orange (50/60Hz)Bkack (50/60Hz)—NoteAt shipment from factory—41