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CONTENTS
1. Precaution ............................................................................................................................................. 1
1.1 Safety Precaution. .............................................................................................................................. 1
1.2 Warning ............................................................................................................................................... 1
2. Function and control panel ................................................................................................................. 5
2.1 Function .............................................................................................................................................. 5
2.2 Control panel ...................................................................................................................................... 5
3. Dimension ............................................................................................................................................. 8
4 Refrigerant Cycle Diagram ................................................................................................................... 9
5 Wiring Diagram ..................................................................................................................................... 11
6 Electronic function .............................................................................................................................. 12
6.1 Terms and definitions ...................................................................................................................... 12
6.2 Electric Control working environment ........................................................................................... 12
6.3 Protection function .......................................................................................................................... 12
6.4 Fan-only mode function requirement ............................................................................................ 12
6.5 Cooling mode function requirement .............................................................................................. 12
6.6 Drying mode ..................................................................................................................................... 13
6.7 Heating mode ................................................................................................................................... 14
6.8 Sensor malfunction.......................................................................................................................... 15
6.9 Some standard functions synopsis ............................................................................................... 16
7 Installation details ............................................................................................................................... 17
7.1 Installation instructions .................................................................................................................. 17
7.2 Care and maintenance ..................................................................................................................... 26
8 Basic test procedure........................................................................................................................... 28
8.1 Defective compressor ..................................................................................................................... 28
8.2 Sealed refrigeration system repairs ............................................................................................... 30
8.3 Fan motor .......................................................................................................................................... 32
8.4 Capacitor ........................................................................................................................................... 33
9 Characteristic of temperature sensor ............................................................................................... 34
10 Troubleshooting ................................................................................................................................ 35