Air Conditioner Service Manual
2
CONTENTS
Part ⅠTechnical Information..................................................................................................3
1. Important Notice ..................................................................................................................... 3
2. Refrigeration cycle diagram ......................................................................................................... 4
3. Electric Diagram .......................................................................................................................... 5
3.1 Wiring diagram ...................................................................................................................... 5
3.2 PCB LAOUT........................................................................................................................... 10
4. Controller Introduction...................................................................................................... 15
4.1 Electronic controller............................................................................................................. 15
4.2 WIFI OPERATION MAUAL ..................................................................................................... 18
PART ⅡInstallation and Maintenance.................................................................................23
1. Notes for installation and maintenance ..................................................................................... 23
2 Installation................................................................................................................................. 31
2.1 Installation Dimension Diagram ........................................................................................... 31
2.2 Accessory ............................................................................................................................. 32
2.3 Tools .................................................................................................................................... 32
2.4 Position ............................................................................................................................... 33
2.5 Electricity and wiring............................................................................................................ 33
2.6 IDU Installation .................................................................................................................... 33
2.7 ODU Installation............................................................................................................... 36
2.8 Vacuum and gas leakage test................................................................................................ 37
3. Maintenance............................................................................................................................. 38
3.1 Failure code ......................................................................................................................... 38
3.2 Trouble shooting.................................................................................................................. 40
4. Disassembly IDU & ODU ............................................................................................................ 59
4.1. IDU Disassembly ................................................................................................................. 59
4. 2 ODU Assembly .................................................................................................................. 63
APPENDIX................................................................................................................................. 73
1．Appendix The comparison table of Celsius-Fahrenheit temperature......................................... 73
2．Appendix The Pipe length and Gas charging ............................................................................. 73
3. Appendix Pipes Flaring ........................................................................................................... 74
4．Appendix THERMISTOR TEMPERATURE CHARACTERISTICS........................................................ 75
