Toshiba MMY-MAP0804HT8-E Service Manual page 5

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9-4. Cooling-Season Outdoor Unit Backup Operation Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
10 OUTDOOR UNIT REFRIGERANT RECOVERY METHOD . . . . . . . . . . . . . . . . . . . . 248
10-1. Refrigerant Recovery from Failed Outdoor Unit (Pump-Down) . . . . . . . . . . . . . . . . . . . . . . . . . 248
10-2. How to Operate System While Failed Outdoor Unit Being Repaired. . . . . . . . . . . . . . . . . . . . . 253
10-3. Work procedure after Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
11 REPLACING COMPRESSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
11-1. Compressor Replacement Procedure (Outline). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
11-2. Replacement of Compressors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
11-3. Check Procedure to Search Cause of Compressor Oil Shortage . . . . . . . . . . . . . . . . . . . . . . . 260
12 OUTDOOR UNIT PARTS REPLACEMENT METHODS . . . . . . . . . . . . . . . . . . . . . . 263
13 P.C. BOARD EXCHANGE PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
13-1. Replacement of Indoor P.C. Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
13-2. Replacement of Outdoor P.C. Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
14 EXPLODED DIAGRAM/PARTS PRICE LIST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
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10-1-1. Note for refrigerant recovery operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
10-1-2. Refrigerant recovery procedure A (Case of no outdoor unit backup operation setting) 248
10-1-3. Refrigerant recovery procedure B (Case of outdoor unit backup operation setting) . . 251
13-2-1. List of service P.C. boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
13-2-2. Configuration of inverter assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
13-2-3. Interface board (MCC-1606) replacement method. . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
13-2-4. Comp-IPDU P.C. Board (MCC-1596) Replacement Procedure . . . . . . . . . . . . . . . . . . 285
13-2-5. Fan IPDU P.C. Board (MCC-1610) Replacement Procedure . . . . . . . . . . . . . . . . . . . 287
13-2-6. Noise Filter P.C. Board (MCC-1608 A, B) Replacement Procedure . . . . . . . . . . . . . . 288
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