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 ......................................................................................................................... 8
2.3 Functions ............................................................................................................................. 10
3 Troubleshooting ............................................................................................................ 14
3.1 Wiring Diagrams .................................................................................................................. 14
3.2 PCB Layout .......................................................................................................................... 17
3.3 Error Code ........................................................................................................................... 25
3.4 Troubleshooting ................................................................................................................... 26
4 Maintenance .................................................................................................................. 55
4.1 System Diagram .................................................................................................................. 55
4.3 Refrigerant Charging ............................................................................................................ 57
Appendices .................................................................................................................... 110
3 Operation Tools .......................................................................................................... 117
CONTENTS