Table Of Contents - Toshiba RAV-GM901KRTP Series Service Manual

This Air Conditioner is a new type which adopts a new refrigerant R32 instead of the conventional
refrigerant R22 in order to prevent destruction of the ozone layer.
SAFETY CAUTION ............................................................................................ 4
1. SPECIFICATIONS .................................................................................... 13
2. CONSTRUCTION VIEWS (EXTERNAL VIEWS)....................................... 14
3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM .............................. 15
4. WIRING DIAGRAM ................................................................................... 16
5. SPECIFICATIONS OF ELECTRICAL PARTS .......................................... 17
6. REFRIGERANT R32 ................................................................................... 18
6-1. Safety During Installation/Servicing ............................................................................. 18
6-2. Refrigerant Piping Installation .................................................................................... 18
6-3. Tools ................................................................................................................................ 22
6-4. Recharging of Refrigerant ............................................................................................. 23
6-5. Brazing of Pipes ............................................................................................................. 24
7. INDOOR CONTROL CIRCUIT .................................................................. 26
7-1. Indoor Controller Block Diagram ................................................................................. 26
7-2. Control Specifications .................................................................................................. 28
7-3. Indoor Print Circuit Board (High Wall Type) ................................................................. 40
8. TROUBLESHOOTING .............................................................................. 42
8-1. Summary of Troubleshooting ....................................................................................... 42
8-2. Troubleshooting ............................................................................................................ 44
9. REPLACEMENT OF SERVICE P.C. BOARD............................................ 60
10. SETUP AT LOCAL SITE AND OTHERS .................................................. 66
10-1. Test Run Setup on Remote Controller ........................................................................ 66
10-2. Forced Defrost Setup of Remote Controller ............................................................... 67
10-3. LED Display on P.C.Board ........................................................................................... 67
10-4. Function Selection Setup (Wired Remote Controller Only)....................................... 68
10-5. Wiring and Setting of Remote Controller Control ...................................................... 70
10-6. Monitor Function of Remote Controller Switch ......................................................... 71
10-7. Calling of error history ................................................................................................. 72
10-8. Group control operation .............................................................................................. 72
10-9. TCC-LINK Central control ............................................................................................ 74
Adoption of New Refrigerant
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