Use and Care Manual

CONTENTS
1 Product Introduction ...................................................................................................... 3
1.1 Lists of Units .......................................................................................................................... 3
1.2 Electrical Parameters ............................................................................................................. 5
2 Control ............................................................................................................................. 6
2.1 Operation Mode ..................................................................................................................... 6
2.2 Control Mode ......................................................................................................................... 7
2.3 Functions ............................................................................................................................... 8
3 Troubleshooting ............................................................................................................ 12
3.1 Wiring Diagrams .................................................................................................................. 12
3.2 PCB Layout .......................................................................................................................... 15
3.3 Error Code ........................................................................................................................... 22
3.4 Troubleshooting ................................................................................................................... 23
3.5 Failures Not Caused by Errors ............................................................................................. 48
4 Maintenance .................................................................................................................. 50
4.1 System Diagram .................................................................................................................. 50
4.2 Connection Pipe Vacuum Pumping ...................................................................................... 50
4.3 Refrigerant Charging ............................................................................................................ 52
4.4 Maintenance of Major Components ...................................................................................... 54
4.5 Removal of Major Components ............................................................................................ 62
4.6 Explosive View and Lists of Parts ......................................................................................... 84
Appendices ...................................................................................................................... 91
1 Resistance/Temperature Lists of Temperature Sensors ........................................... 91
1.1 Voltage List of 15 KΩ Temperature Sensors ......................................................................... 91
1.2 Voltage List of 20 KΩ Pipeline Temperature Sensors ........................................................... 93
1.3 Voltage List of 50 KΩ Discharge Temperature Sensors ........................................................ 95
2 Temperature/Pressure List of Refrigerant .................................................................. 98
3 Operation Tools ............................................................................................................ 98