SiUS041111
v Table of Contents
2.3 Removal of Horizontal Blades / Vertical Blades....................................... 155
2.4 Removal of Electrical Box / PCBs / Swing Motors ................................... 157
2.5 Removal of Indoor Heat Exchanger ......................................................... 162
2.6 Removal of Fan Motor / Fan Rotor........................................................... 165
3. Outdoor Unit: 09/12 Class.......................................................................167
3.1 Removal of Outer Panels ......................................................................... 167
3.2 Removal of Outdoor Fan / Fan Motor....................................................... 171
3.3 Removal of Electrical Box / PCB.............................................................. 173
3.4 Removal of Sound Blankets..................................................................... 185
3.5 Removal of Four-Way Valve .................................................................... 187
3.6 Removal of Compressor........................................................................... 190
4. Outdoor Unit: 15/18/24 Class..................................................................191
4.1 Removal of Outer Panels ......................................................................... 191
4.2 Removal of Outdoor Fan / Fan Motor....................................................... 194
4.3 Removal of Electrical Box ........................................................................ 198
4.4 Removal of PCBs..................................................................................... 206
4.5 Removal of Sound Blankets..................................................................... 213
4.6 Removal of Electronic Expansion Valve AssemblyASSY ........................ 216
4.7 Removal of Four-Way Valve .................................................................... 217
4.8 Removal of Compressor........................................................................... 218
Part 8
Trial Operation and
Field Settings ....................................................................220
1. Pump Down Operation............................................................................221
2. Forced Cooling Operation.......................................................................222
3. Trial Operation ........................................................................................223
4. Field Settings ..........................................................................................224
4.1 Model Type Setting .................................................................................. 224
4.2 Temperature Display Switch .................................................................... 224
4.3 When 2 Units are Installed in 1 Room...................................................... 225
4.4 Facility Setting Switch (cooling at low outdoor temperature).................... 226
4.5 Jumper Settings ....................................................................................... 227
5. Application of Silicon Grease to a Power Transistor and a Diode Bridge.....228
Part 9
Appendix............................................................................229
1. Piping Diagrams......................................................................................230
1.1 Indoor unit ................................................................................................ 230
1.2 Outdoor Unit............................................................................................. 231
2. Wiring Diagrams......................................................................................233
2.1 Indoor Unit................................................................................................ 233
2.2 Outdoor Unit............................................................................................. 234
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