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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

Daikin FDMQ-R Series Service Manual

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