User manual TOSHIBA MMU-AP0072WH SERVICE MANUAL

[. . . ] A10-007 Leading Innovation SERVICE MANUAL AIR-CONDITIONER MULTI TYPE <2-Way Air Discharge Cassette Type> MMU-AP0072WH, MMU-AP0072WH-TR MMU-AP0092WH, MMU-AP0092WH-TR MMU-AP0122WH, MMU-AP0122WH-TR MMU-AP0152WH, MMU-AP0152WH-TR MMU-AP0182WH, MMU-AP0182WH-TR MMU-AP0242WH, MMU-AP0242WH-TR MMU-AP0272WH, MMU-AP0272WH-TR MMU-AP0302WH, MMU-AP0302WH-TR MMU-AP0362WH, MMU-AP0362WH-TR MMU-AP0482WH, MMU-AP0482WH-TR MMU-AP0562WH, MMU-AP0562WH-TR · This Service Manual describes contents of the 2-Way Air Discharge Cassette indoor unit. For the outdoor unit, refer to the Manual with FILE No. A10-005, A05-004-1. PRINTED IN JAPAN, Sep. , 2010 ToMo CONTENTS Original Instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Warning Indications on the Air Conditioner Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] · Check outdoor P board (I/F) error. . C. 78 H07 H07 -- I/F Protection for oil level drop detection All stop The operating compressor detected oil shortage continuously for 2 hours. H08 H08 01: 02: 03: 04: 05: TK1 sensor error TK2 sensor error TK3 sensor error TK4 sensor error TK5 sensor error I/F Oil level detective temp sensor error All stop · Resistance value of sensor is infinite or zero. (Open/Short) · Resistance value of sensor is infinite or zero. (Open/Short) · Resistance value of sensor is infinite or zero. (Open/Short) · Resistance value of sensor is infinite or zero. (Open/Short) · Resistance value of sensor is infinite or zero. (Open/Short) All stop All stop All stop All stop Check code Wired remote controller H15 Outdoor 7-segment display Check code H15 Auxiliary code -- I/F Outdoor unit discharge temp. sensor (TD2) miswiring Oil level detective circuit system error All stop While compressor 2 is operating, the discharge temp. Temperature change of TK1 could not be detected though compressor 1 started the operation. · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Check mounting of TD2 sensor. Check connection and wiring of TD2 sensor connector. Check characteristics of TD2 sensor resistance value. Check characteristics of TK1 sensor resistance value. Check TK1, TK2, TK3, TK4 and TK5 misconnection. Check operation error of SV3E, SV3F valve. Check capillary clogging of oil-equation circuit and operation error of stop valve. Check refrigerant stagnation in compressor. Check characteristics of TK2 sensor resistance value. Check TK1, TK2, TK3, TK4 and TK5 misconnection. Check capillary clogging of oil equalization circuit and check stop valve operation. Check refrigerant stagnation in compressor shell. [. . . ] 43050425 43050426 43150320 43160582 43160575 4316V437 Description Sensor Ass'y Service, TC (F6) Sensor, Service, TA Sensor Ass'y Service, TG (F4) Terminal, 4P, AC30V / DC42V, 1A Terminal Block, 2P, AC300V 20A P board Ass'y, MCC-1402 . C. Model Name MMU-AP 0072WH-TR 0092WH-TR 0122WH-TR 0152WH-TR 2 1 1 1 1 1 2 1 1 1 1 1 2 1 1 1 1 1 2 1 1 1 1 1 150 MMU-AP0182WH-TR, MMU-AP0242WH-TR, MMU-AP0272WH-TR, MMU-AP0302WH-TR 228 209 236 220 234 210 235 214, 215, 216, 217, 223, 224 231 211, 212, 213, 222, 225, 226 233 219 206, 207 208 202 201 218 227 221 203 229 230 232 204, 205 252 251 253 255 241 151 Location No. 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 241 251 252 253 255 Parts No. 43120239 43122097 43122098 43172192 43172193 4314J343 4314J344 43121742 43170244 43079249 43047685 43049776 43149351 43047688 43149352 43149353 43149354 43139152 43122099 43170247 43107215 43047609 43147195 43194029 43149355 43049697 43019904 43179135 43179110 43149314 43147664 43146707 43146726 43177014 43151284 43179126 431S8206 43166012 43166011 43166004 43166006 Description Fan, Multi Blade Case, Fan Case, Fan Pan Ass'y Drain Pan Ass'y Drain Refrigeration Cycle Ass'y Refrigeration Cycle Ass'y Motor, Fan, SWF-280-60-1R Hose, Drain, 25A Band, Hose Nut, Flare, 1/4 IN Socket, 3/8" Socket, 1/4" Nut, Flare, 1/2 IN Nut, Flare, 5/8 IN Socket, 1/2" Socket, 5/8" Band, Motor Plate, Wind Hose, Drain Holder, Sensor Bonnet Bonnet, 1/2 IN Bonnet Nut, Flare, 3/8 IN Bonnet Holder, Sensor Band, Hose Plug Sheet, PMV Strainer Motor, PMV, EDM-MD12TF-3 Body, PMV Pump, Drain, ADP-1409, 960L Switch, Float Rubber, Pump, Drain Owner's Manual, MMY-MAP0804HT8-TR Remote Controller, SX-A5EE Remote Controller, SX-A4EE Remote Controller, SX-A11JE2 Remote Controller, WH-H1JE2 Model Name 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 4 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 3 1 1 1 1 1 2 1 1 1 1 1 1 1 1 3 1 1 1 1 1 2 4 1 1 1 1 1 1 2 2 2 MMU-AP 2 2 2 1 1 1 1 1 1 2 2 2 1 1 1 1 1 1 0182WH-TR 0242WH-TR 0272WH-TR 0302WH-TR 1 1 2 4 1 1 1 1 1 2 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 2 4 1 1 1 1 1 2 1 1 1 1 1 1 1 1 3 1 1 1 1 1 152 407 402 406 405 403 401 Location No. 43050425 43050426 43150320 43160582 43160575 4316V437 Description Sensor Ass'y, Service, TC (F6) Sensor, Service, TA Sensor Ass'y, Service, TG (F4) Terminal, 4P, AC30V / DC42V, 1A Terminal Block, 2P AC300V, 20A , P board Ass'y, MCC-1402 . C. Model Name MMU-AP 0182WH-TR 0242WH-TR 0272WH-TR 0302WH-TR 2 1 1 1 1 1 2 1 1 1 1 1 2 1 1 1 1 1 2 1 1 1 1 1 153 MMU-AP0362WH-TR, MMU-AP0482WH-TR, MMU-AP0562WH-TR 224 207 216 214 206 210 218 217 232 229 230 205 209 202 201 203 228 225 226 231 208 219 223 215 227 212, 213, 221 211, 220, 222 204 252 251 253 255 241 154 Location No. [. . . ]