Air Conditioner Service Manual
2
CONTENTS
Part Ⅰ Technical Information .......................................................................................................................3
1.
Important Notice ..................................................................................................................................... 3
2. Specifications .......................................................................................................................................... 4
2.1 Operation Characteristic Curve ......................................................................................................4
2.2 Refrigeration Cycle Diagram .......................................................................................................... 7
3. Product Dimensions ................................................................................................................................8
4. Electric Diagram ....................................................................................................................................... 9
4.1 Wiring Diagram ................................................................................................................................ 9
4.2 PCB Layout .....................................................................................................................................11
5.
Electronic Controller Introduction ....................................................................................................... 16
5.1 Remote Controller .........................................................................................................................16
5.2 Electronic Controller .....................................................................................................................17
PART Ⅱ Installation and Maintenance ..................................................................................................... 25
1. Safety Precautions ................................................................................................................................ 25
Warnings ............................................................................................................................................. 25
2. Installation .............................................................................................................................................. 34
2.1 Installation Dimension Diagram .................................................................................................. 34
2.2 Accessory ...................................................................................................................................... 35
2.3 Position ..........................................................................................................................................36
2.4 Electricity and Wiring ....................................................................................................................36
2.5 IDU Installation ............................................................................................................................. 36
2.6 ODU Installation ............................................................................................................................39
2.7 Vacuum and Gas Leakage Test ...................................................................................................40
2.8 Final Test ....................................................................................................................................... 40
2.9 Method of Test Operation ............................................................................................................. 40
3. Maintenance .......................................................................................................................................... 42
3.1 Failure Code .................................................................................................................................. 42
3.2 Troubleshooting ............................................................................................................................44
4.
Disassembly IDU and ODU ................................................................................................................... 67
4.1. IDU Disassembly ..........................................................................................................................67
4.2 ODU Disassembly ......................................................................................................................... 71
Appendix .....................................................................................................................................................76
Appendix 1 Comparison Table of Celsius-Fahrenheit Temperature ............................................. 76
Appendix 2 Pipe Length and Gas Charging .....................................................................................76
Appendix 3 Pipes Flaring ................................................................................................................... 78
Appendix 4 Thermistor Temperature Characteristics ...................................................................... 79
