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