CONTENTS
1.1 Safety Precaution............................................................................................................................... 1
1.2 Warning............................................................................................................................................... 1
2. Specification......................................................................................................................................... 5
3. Function and control panel................................................................................................................. 6
3.1 Function.............................................................................................................................................. 6
3.2 Control panel...................................................................................................................................... 6
4 Dimension.............................................................................................................................................. 8
5 Refrigerant Cycle Diagram................................................................................................................... 9
6 Wiring Diagram.................................................................................................................................... 10
7 Electronic function...............................................................................................................................11
7.1 Terms and definitions.......................................................................................................................11
7.2 Electric Control working environment............................................................................................11
7.3 Protection function ...........................................................................................................................11
7.4 Fan-only mode function requirement .............................................................................................11
7.5 Cooling mode function requirement...............................................................................................11
7.6 Drying mode ..................................................................................................................................... 12
7.7 Heating mode (Optional) ................................................................................................................. 13
7.8 Heat pump mode (optional)............................................................................................................. 14
7.9 Sensor malfunction.......................................................................................................................... 15
8 Internal Structure ................................................................................................................................ 16
9 Care and maintenance........................................................................................................................ 19
10 Basic test procedure......................................................................................................................... 21
10.1 Defective compressor.................................................................................................................... 21
10.2 Sealed refrigeration system repairs............................................................................................. 23
10.3 Fan motor........................................................................................................................................ 26
10.4 Capacitor......................................................................................................................................... 26
11 Characteristic of temperature sensor ............................................................................................. 28
12 Troubleshooting................................................................................................................................ 29
13 Exploded view and part list.............................................................................................................. 30