SERVICE MANUAL - Toshiba

1-2-5. 2-way Air Discharge Cassette Type 1 seriesModels: MMU-AP0071WH, AP0091WH, AP0121WH, AP0151WH, AP0181WH, AP0241WH,AP0271WH, AP0301WHIndoor unitEarth screwR(L)S(N)Power supplySingle phase220-240V 50Hz220V 60HzWHIREDFANCN083(WHI)9 8 7 69 8 7 65 4 3 2 15 4 3 2 1DM1 2 31 2 3DP(BLU)CN068RY007CN104(YEL)1212CN304(GRY)CN067(BLK)Indoor control P.C. boardCN102(RED)CN101(BLK)CN100(BRW)1CN0802(GRN) PNLCN073(RED)CN070(WHI)312121212123RY004RY006RY005RY0021231231212EXCT12CN066(WHI)CN044(BRW)CN040(BLU)CN041(BLU)CN050(WHI)CN074(WHI)CN075(WHI)CN061(YEL)CN032(WHI)CN060(WHI)CN081(BLK)1234512121 21 21 2 31 2 31 2 3 4 51 2 31 2 31 2 3 4 5 61 2 3 4 5 61 2 3 4 5 61 2Fan drive1 2 3 4 5 6Option1 2 3 4 5 61 2 3 4 5 6Outdoor unitU2A B X Y1 2CN1(WHI)1 2Remote controller3 321 1CN02(BLU)CN01(WHI)1 21 2MCC-1401Networkadaptor(Option)1 12 2CN03(RED)1 2 3 4 5 61 2 3 4 5 6TRTATCJTC2TC1FilterBLUBLUBLKBLKFlow selectorunit earthscrewLM1 21 21 2 31 2 3LM(GRN)CN0331 2 31 2 3FSFS(RED)CN0306 4 36 4 31 2 31 2 3PMV1 2 51 2 5ORNBLUYELFMColorindicationRED : REDWHI : WHITEYEL : YELLOWBLU : BLUEBLK : BLACKGRY : GRAYPNK : PINKORN : ORANGEBRW : BROWNGRN : GREENClosed endconnector912345671234567REDRCBLK4 5 64 5 6PMV(BLU)CN082H M L ULCN039(YEL)(BLK)123123123123P301FuseT5.0A250V~RY001Power supplycircuitTRCN02(YEL)Line FilterU1U2U1Sub P.C. boardMCC-1520CN01(WHI)1. indicates the terminal block, letter at insideindicates the terminal number.2. A dotted line and broken line indicate the wiring at site.3. indicates the control P.C. board.SymbolFMRCTRLMTATC1,TC2,TCJRY001RY002RY004RY005~007FSDMPMVParts nameFan motorRunning capacitorTransformerLouver motorIndoor temp sensorTemp sensorLouver control relayDrain control relayHeater control relayFan motor control relayFloat switchDrain pump motorPulse Motor Valve29