SiUS12-928_B
Table of Contents v
7.14 Capacitor Voltage Check.......................................................................... 200
7.15 Power Module Check ............................................................................... 201
Part 7
Removal Procedure ....................................................................... 202
1. Outdoor Unit: 2MXS18GVJU ..................................................................203
1.1 Removal of Outer Panels ......................................................................... 203
1.2 Removal of Electrical Box ........................................................................ 204
1.3 Removal of PCBs ..................................................................................... 209
1.4 Removal of Fan Motor.............................................................................. 212
1.5 Removal of Sound Blankets ..................................................................... 213
1.6 Removal of Coils / Thermistors ................................................................ 215
1.7 Removal of Four Way Valve / Defrost Solenoid Valve ............................. 217
1.8 Removal of Distributor.............................................................................. 219
1.9 Removal of Compressor........................................................................... 220
2. Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU ..........................................222
2.1 Removal of Outer Panels ......................................................................... 222
2.2 Removal of Electrical Box ........................................................................ 234
2.3 Removal of PCBs ..................................................................................... 240
2.4 Removal of Fan Motor.............................................................................. 244
2.5 Removal of Coils / Thermistors ................................................................ 245
2.6 Removal of Sound Blankets ..................................................................... 250
2.7 Removal of Compressor........................................................................... 253
Part 8
Trial Operation and Field Settings.................................... 254
1. Pump Down Operation............................................................................255
2. Forced Operation ....................................................................................256
3. Wiring Error Check Function ...................................................................257
4. Trial Operation ........................................................................................259
5. Field Settings ..........................................................................................261
5.1 Outdoor Unit ............................................................................................. 261
5.2 Indoor Unit................................................................................................ 264
6. Application of Silicon Grease to Power Transistor and Diode Bridge .....267
Part 9
Appendix............................................................................ 268
1. Piping Diagrams......................................................................................269
1.1 Indoor Unit................................................................................................ 269
1.2 Outdoor Unit ............................................................................................. 271
2. Wiring Diagrams......................................................................................273
2.1 Indoor Unit................................................................................................ 273
2.2 Outdoor Unit ............................................................................................. 276