Table Of Contents - Toshiba Carrier MMD-AP0246HPUL Service Manual

PRECAUTIONS FOR SAFETY ................................................................................ 6
1. SPECIFICATIONS .................................................................................................. 11
2. AIR DUCTING WORK ............................................................................................. 13
3. CONSTRUCTION VIEWS (EXTERNAL VIEWS) .................................................... 15
4. WIRING DIAGRAMS ............................................................................................... 18
5. PARTS RATING ....................................................................................................... 19
6. REFRIGERANT CYCLE DIAGRAM ........................................................................ 20
7. CONTROL OUTLINE ............................................................................................... 21
8. APPLIED CONTROL AND FUNCTIONS
(INCLUDING CIRCUIT CONFIGURATION) ............................................................. 27
8- 1. Indoor controller block diagram ........................................................................................ 27
8- 1-1. In Case of Connection of Wired (Simple) Remote Controller ............................. 27
8- 1-2. In Case of Connection of Wireless Remote Controller ....................................... 28
8-1-3. Connection of Both Wired (Simple) Remote Controller and Wireless Remote
Controller ................................................................................................................ 29
8- 2. Indoor Print Circuit Board MCC-1720 ............................................................................... 30
8- 3. Optional connector specifications of indoor P.C. board ................................................ 31
8- 4. Test operation of indoor unit ............................................................................................. 32
8- 5. Method to set indoor unit function DN code .................................................................... 33
8- 6. Applied control of indoor unit ........................................................................................... 36
9. TROUBLESHOOTING ............................................................................................. 50
9- 1. Overview ..............................................................................................................................50
9- 2. Troubleshooting method ................................................................................................... 51
9- 3. Troubleshooting based on information displayed on remote controller ....................... 57
9-4. Check codes displayed on remote controller and SMMS outdoor unit
(7-segment display on I/F board) and locations to be checked .................................... 62
9- 5. Sensor characteristics .......................................................................................................81
10. Replacement of P.C.board for Indoor Unit Servicing ...................................... 82
11. DETACHMENTS ................................................................................................... 86
12. EXPLODED VIEWS AND PARTS LIST ............................................................... 92
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