2
CONTENTS
1.Safety Precaution ……………………………………………………………............................................ 2
1.1 Installation ……………………………………………………………............................................... 2
1.2 Caution …………………………………………………………….............................................. 2
1.3 Operation ……………………………………………………………. ................................................ 2
2.Specification ……………………………………………………………........................................... 4
3.Outer Dimension …………………………………………………………… ........................................ 5
4. Refrigerant cycle diagram …………………………………………………............................................... 6
5.PCB drawing & wiring diagram ……………………………………………............................................. 7
6.Unit dissassembly sequence ………………………………………………………................................. 10
6.1 Casing Disassembly ………………………………………………………........................................... 10
6.2 Internal Parts Dissassembly ............................................................................................................. 13
7.Feature ............……………………………………………………………................................................. 16
7.1 Parts of the air conditioner ……………………………………………………… .................................. 16
7.2 Accessories …………………………………………………… .................................................... 17
8. Electronic Function …………………………………………………………… ........................................ 18
8.1 Function ……………………………………………………… ............................................................... 18
8.2 Controller Specifications ……………………………………………………… ...................................... 18
8.3 Controller Structure ……………………………………………………… .............................................. 18
8.4 Sensor Definitions ……………………………………………………… ................................................ 18
8.5 Mode ……………………………………………………… .................................................................... 18
8.6 Timer Setting ………………………………………………………........................................................ 20
8.7 Sleep ……………………………………………………… .................................................................... 20
8.8 Protection Function ……………………………………………………… .............................................. 20
9.Basic test procedure …………………………………………………………… ...................................... 23
9.1 Defective Compressor ……………………………………………………….......................................... 23
9.2 Sealed refrigeration repairs ……………………………………………………….................................. 24
9.3 Fan Motor ………………………………………………………............................................................. 26
9.4 Capacitor ………………………………………………………………… ............................................... 26
10.Characteristic of temperature sensor …………………………………… ............................................. 28
11. Trouble shooting …………………………………………………………… .......................................... 29
Appendix …………………………………………………………… ........................................................... 31
Trouble shooting problems …………………………………………………………… ................................ 31
Trouble shooting for electrical system ……………………………………................................................ 32
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