Air Conditioner Service Manual
2
CONTENTS
Part
Ⅰ
Technical Infor
mation…………………………………...….…………3
1.
Important Notice……………………………………………………….………..…………..3
2.
Specifications………………………………………………………………..……………....4
2.1 Operation characteristic curve……………………………………….……………..………....…...……………4
2.2 The relation curve of CAPACITY-TEMPERATURE……………………………..……....………...…..………4
2.3 The relation curve of PRESSURE-TEMPERATURE……………………………………....………...…….….5
2.4 The relation curve of NOISE-COMPRESSURE OPERATION FREQUENCY…………....……...…….…..6
3.
The Production Dimensions………………………………………………….…..……….7
4. Refrigerati
on cycle diagram……………………………………………………………….8
5.
Electric Diagram……………………………………………………………….…….………9
5.1 Wiring Diagram…………………………………………………………………………………….….……..…..9
5.2 PCB LAOUT……………………………………………………………………………………..........…………11
6. Electronic
Controller Introduction…………………………………….……….…….…14
6.1 Remote controller…………………………………………….…………………….……………..........……….14
6.2 Electronic controller…………………………………….………………….……………………....…..………..16
6.3 WIFI introduction……………………………………………….……………..…..…..…….…………….……..23
.
PART
Ⅱ
Installation and Maintenance……………..…….……….……….24
1. Notes for installation and maintenance.
………………..……………………..……….24
2. Installation…………………………………………………………………………..……….32
2.1 Dimension diagram for Installation……………………………………………………....….…………..……..32
2.2 Inspection of Accessories …………………………………………………………………..………...….……..33
2.3 Position of IDU/ODU……………………………………………………………..…………………..………….34
2.4 Electric Connection………………………………..…………………………….…….……….………….…….34
2.5 The IDU Installation……………………………………..…….………………….…….……………...….…….34
2.6 The ODU Installation………………………………………..….………………….….….……….….…………37
2.7 Vacuum and Gas leakage test………………………………...……….………….……..……….….………..38
2.8 Final Test…………………………………………………………………………………………….….………..38
3. Maintenance………………………………………………………..…………….………….39
3.1 Failure code………………………………………………………………………….…….……….…………….39
3.2 Trouble shooting…………………………………………………….…………….………..……….…..……….41
4. Exploded View………………………………………….…………….…………..…………61
5. Disassembly IDU & ODU ………………………………………………………………….74
APPENDIX
1. The comparison table of CELSIUS-FAHRENHEIT temperature………..…………………..……………..87
2. The Pipe length and Gas charging…………………………………….…….…………………….……….…87
3. Pipe Flaring…………………………………………………………………….………………………..……….88
4. The Thermistor Temperature Characteristics…………………………….…….……………….…....………89