Air Conditioner Service Manual
2
CONTENTS
Part
Ⅰ
Technical Information…………………………………...….…………3
1.
Important Notice……………………………………………………….………..…………..3
2.
Specifications………………………………………………………………..……………....4
2.1 Specifications sheet…………………………………………………….………………………..….……..….….4
2.2 The relation curve of CAPACITY-
TEMPERATURE……………………………..……....………...…..………5
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.
Refrigeration cycle diagram……………………………………………………………….8
5.
Electric Diagram……………………………………………………………….…….………9
5.1 Wiring Diagram…………………………………………………………………………………….….……..…..9
5.2 PCB LAOUT……………………………………………………………………………………..........…………12
6. Electronic
Controller Introduction…………………………………….……….…….…15
6.1 Remote controller…………………………………………….…………………….……………..........……….15
6.2 Electronic controller…………………………………….………………….……………………....…..………..17
6.3 WIFI introduction……………………………………………….……………..…..…..…….…………….……..24
.
PART
Ⅱ
Installation and Maintenance……………..…….……….……….25
1. Notes for installation and maintenance.
………………..……………………..……….25
2. Installation…………………………………………………………………………..……….33
2.1 Dimension diagram for Installation……………………………………………………....….…………..……..33
2.2 Inspe
ction of Accessories …………………………………………………………………..………...….……..34
2.
3 Position of IDU/ODU……………………………………………………………..…………………..………….35
2.4 Electric Connection………………………………..…………………………….…….……….………….…….35
2.5 The IDU Installation……………………………………..…….………………….…….……………...….…….35
2.6 The ODU Installation………………………………………..….………………….….….……….….…………38
2.7 Vacuum and Gas leakage test………………………………...……….………….……..……….….………..39
2.8 Final Test…………………………………………………………………………………………….….………..39
3. Maintenance………………………………………………………..…………….………….40
3.1 Failure code………………………………………………………………………….…….……….…………….41
3.2 Trouble shooting…………………………………………………….…………….………..……….…..……….42
4. Exploded View………………………………………….…………….…………..…………62
5. Disassembly IDU & ODU ………………………………………………………………….70
APPENDIX
1.
The comparison table of CELSIUS-
FAHRENHEIT temperature………..…………………..……………..79
2.
The Pipe length and Gas charging…………………………………….…….…………………….……….…79
3.
Pipe Flaring…………………………………………………………………….………………………..……….80
4.
The Thermistor Temperature Characteristics…………………………….…….……………….…....………81