SiUS071735EB
Table of Contents iv
4.28 Electrical Box Temperature Rise.............................................................. 101
4.29 Radiation Fin Temperature Rise .............................................................. 102
4.30 Output Overcurrent Detection .................................................................. 103
5. Check ......................................................................................................105
5.1 Thermistor Resistance Check .................................................................. 105
5.2 Indoor Fan Motor Connector Check ......................................................... 106
5.3 Power Supply Waveforms Check............................................................. 106
5.4 Electronic Expansion Valve Check........................................................... 107
5.5 Four Way Valve Performance Check ....................................................... 108
5.6 Inverter Unit Refrigerant System Check................................................... 108
5.7 Inverter Analyzer Check ........................................................................... 109
5.8 Outdoor Fan Motor Check........................................................................ 111
5.9 Installation Condition Check..................................................................... 112
5.10 Discharge Pressure Check....................................................................... 112
5.11 Outdoor Fan System Check..................................................................... 113
5.12 Main Circuit Short Check.......................................................................... 113
5.13 Power Module Check ............................................................................... 115
Part 7 Trial Operation and Field Settings.................................... 117
1. Pump Down Operation............................................................................118
2. Forced Cooling Operation .......................................................................119
3. Trial Operation ........................................................................................120
4. Field Settings ..........................................................................................123
4.1 How to Change the Field Settings............................................................ 123
4.2 Overview of the Field Settings.................................................................. 126
4.3 MAIN/SUB and Address Setting for Wireless Remote Controller ............ 127
4.4 Facility Setting (cooling at low outdoor temperature) ............................... 129
5. Silicone Grease on Power Transistor/Diode Bridge................................130
Part 8 Appendix............................................................................ 131
1. Piping Diagrams......................................................................................132
1.1 Indoor Unit................................................................................................ 132
1.2 Outdoor Unit ............................................................................................. 133
2. Wiring Diagrams......................................................................................135
2.1 Indoor Unit................................................................................................ 135
2.2 Outdoor Unit ............................................................................................. 136
3. Operation Limit........................................................................................139
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