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
