Toshiba MMY-MUP0721FT6P-UL Service Manual page 4

9. BACKUP OPERATION (EMERGENCY OPERATION) ..........................................
9- 1. Note for Backup Operation ..............................................................................................
9- 2. Compressor Backup Operation Setting .........................................................................
9- 3. Outdoor Unit Backup Operation Setting ........................................................................
9-3-1. Follower outdoor unit backup operation setting (failure of follower outdoor
unit) ..........................................................................................................................
9-3-2. Header outdoor unit backup operation setting (failure of header outdoor
unit) ..........................................................................................................................
9- 4. Cooling-Season Outdoor Unit Backup Operation Setting ............................................
10. OUTDOOR UNIT REFRIGERANT RECOVERY METHOD .................................
10- 1. Refrigerant Recovery from Troubled Outdoor Unit (Reclaim) .....................................
10- 1-1. Note for refrigerant recovery operation .............................................................
10- 1-2. Refrigerant recovery procedure A (Case that the troubled outdoor
unit turn on) .............................................................................................................
10-1-3. Refrigerant recovery procedure B (Case that the troubled outdoor unit
does not turn on) ...................................................................................................
10- 2. How to Operate System While Troubled Outdoor Unit Being Repaired ......................
10- 3. Work procedure after Repair ..........................................................................................
11. REPLACING COMPRESSORS ...........................................................................
11- 1. Compressor Replacement Procedure (Outline)............................................................
11- 2. Replacement of Compressors ........................................................................................
11- 3. Check Procedure to Search Cause of Compressor Oil Shortage ...............................
12. OUTDOOR UNIT PARTS REPLACEMENT METHODS ......................................
13. P.C. BOARD REPLACEMENT PROCEDURES ...................................................
13- 1. Replacement of outdoor P.C. board & Inverter Parts ...................................................
13- 1-1. List of service parts (Inverter) ............................................................................
13-1-2. Configuration of inverter assembly ....................................................................
13- 1-3. Interface P.C. Board (MCC-1747) Replacement Procedure ..............................
13- 1-4(1). Compressor P.C. Board (MCC-1729) Replacement Procedure ....................
13- 1-4(2). Compressor P.C. Board (MCC-1746) Replacement Procedure ......................
13- 1-5. Capacitor P.C.Board (MCC-1711) Replacement Procedure .............................
13- 1-6. Fan-Motor P.C.Board (MCC-1734) Replacement Procedure ..............................
13- 1-7(1). Noise Filter P.C. Board (MCC-1749) Replacement Procedure ......................
13- 1-7(2). Noise Filter P.C. Board (MCC-1749) Replacement Procedure ...................... 347
13- 1-7(3). Noise Filter P.C. Board (MCC-1749) Replacement Procedure ...................... 348
14. FS UNIT PARTS REPLACEMENT METHODS ...................................................
14-1. Flow Selector unit Multi-port type .................................................................................... 349
14- 2. Flow Selector unit Single-port type................................................................................. 354
15. EXPLODED DIAGRAM/PARTS LIST ..................................................................
15-1. Outdoor unit ....................................................................................................................
15-2. Flow Selector unit Multi-port type ....................................................................................
15-3. Flow Selector unit Single-port type..................................................................................
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