CONTENTS
1. Precaution............................................................................................................................................. 1
1.1 Safety Precaution............................................................................................................................... 1
1.2 Warning......................................................................................................................................... 1
2. Function and control panel ................................................................................................................. 4
2.1 Function .............................................................................................................................................. 4
2.2 Control panel ...................................................................................................................................... 5
3. Dimension............................................................................................................................................. 8
4 Refrigerant Cycle Diagram................................................................................................................... 9
5 Wiring Diagram.................................................................................................................................... 10
6 Electronic function...............................................................................................................................11
6.1 Terms and definitions .......................................................................................................................11
6.2 Electric Control working environment............................................................................................11
6.3 Protection function ...........................................................................................................................11
6.4 Fan-only mode function requirement .............................................................................................11
6.5 Cooling mode function requirement ...............................................................................................11
6.6 Drying mode ..................................................................................................................................... 12
6.7 Heating mode ................................................................................................................................... 13
6.8 Sensor malfunction.......................................................................................................................... 13
6.9 Some standard functions synopsis ............................................................................................... 14
7 Installation details ............................................................................................................................... 15
7.1 Installation instructions................................................................................................................... 15
7.2 Care and maintenance..................................................................................................................... 23
8 Basic test procedure........................................................................................................................... 25
8.1 Defective compressor ..................................................................................................................... 25
8.2 Sealed refrigeration system repairs............................................................................................... 27
8.3 Fan motor.......................................................................................................................................... 29
8.4 Capacitor........................................................................................................................................... 30
9 Characteristic of temperature sensor............................................................................................... 31
10 Troubleshooting ................................................................................................................................ 32