CONTENTS
Safety Notice on Maintenance ...................................................................................................... 1
Safety Notice on Operation ........................................................................................................... 2
1. Product Introduction ................................................................................................................. 3
1.1 Lists of Units ...................................................................................................................................... 3
1.2 Electrical Parameters ......................................................................................................................... 9
2. Control ...................................................................................................................................... 10
2.1 Operation Mode ............................................................................................................................... 10
2.2 Control Mode .................................................................................................................................... 11
2.3 Functions ......................................................................................................................................... 14
3. Troubleshooting ....................................................................................................................... 26
3.1 Wiring Diagrams .............................................................................................................................. 26
3.2 PCB Layout ...................................................................................................................................... 38
3.3 Error Code ....................................................................................................................................... 53
3.4 Troubleshooting ............................................................................................................................... 55
3.5 Failures Not Caused by Errors ......................................................................................................... 89
4. Maintenance ............................................................................................................................. 91
4.1 System Diagram .............................................................................................................................. 91
4.2 Connection Pipe Vacuum Pumping .................................................................................................. 91
4.3 Refrigerant Charging ........................................................................................................................ 92
4.4 Maintenance of Major Components .................................................................................................. 94
4.5 Removal of Major Components ...................................................................................................... 105
4.6 Explosive View and Lists of Parts ................................................................................................... 152
Appendices ................................................................................................................................ 212
1. Resistance/Temperature Lists of Temperature Sensors .................................................... 212
2. Temperature/Pressure List of Refrigerant ........................................................................... 219
3. Refrigerant Notice/Concentration ........................................................................................ 219
4. Operation Tools ..................................................................................................................... 220