SiUS091601EA
Table of Contents iv
8.4 Electronic Expansion Valve Check........................................................... 184
8.5 Four Way Valve Performance Check ....................................................... 185
8.6 Inverter Unit Refrigerant System Check................................................... 185
8.7 Inverter Analyzer Check........................................................................... 186
8.8 Rotation Pulse Check on the Outdoor Unit PCB ...................................... 189
8.9 Installation Condition Check..................................................................... 190
8.10 Discharge Pressure Check....................................................................... 190
8.11 Outdoor Fan System Check ..................................................................... 191
8.12 Main Circuit Short Check.......................................................................... 191
8.13 Power Module Check ............................................................................... 194
Part 7 Trial Operation and Field Settings ..................................... 197
1. Pump Down Operation............................................................................198
2. Forced Cooling Operation .......................................................................199
3. Trial Operation ........................................................................................202
4. Field Settings for FTX, FVXS Series.......................................................206
4.1 Temperature Display Switch .................................................................... 206
4.2 When 2 Units are Installed in 1 Room...................................................... 207
4.3 Jumper and Switch Settings..................................................................... 209
5. Field Settings for FDMQ Series ..............................................................210
5.1 How to Change the Field Settings............................................................ 210
5.2 Overview of Field Settings........................................................................ 213
5.3 MAIN/SUB and Address Setting for Wireless Remote Controller ............ 214
6. Field Settings for Outdoor Unit................................................................217
6.1 Facility Setting (cooling at low outdoor temperature) ............................... 217
6.2 Drain Pan Heater...................................................................................... 218
7. Silicone Grease on Power Transistor/Diode Bridge................................219
Part 8 Appendix ............................................................................. 220
1. Piping Diagrams......................................................................................221
1.1 Indoor Unit................................................................................................ 221
1.2 Outdoor Unit ............................................................................................. 223
2. Wiring Diagrams......................................................................................226
2.1 Indoor Unit................................................................................................ 226
2.2 Outdoor Unit ............................................................................................. 231
3. Operation Limit........................................................................................236
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