Service manual 
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2. Function 
 
The function will be 
operate in any operation 
Indoor unit 
Operation ON/OFF by remote controller 
Room temperature sensor. 
Pipe temperature sensor. 
Sensing by room temperature 
Maintain the room temperature in accordance with the setting temperature. 
Room temperature control 
Indoor fan is delayed for 5 sec at the starting. 
Starting temperature control 
Restarting is for approx. 3 minutes.. 
Time Delay Safety control 
High, med, low, breeze. 
Indoor fan speed control 
Light up in the LED (LCD) for each operation mode. 
The unit will decide the louver direction according to operation mode. 
Two-direction air vane 
The fan is turn to low speed (cooling/heating). 
The unit will be turn off after seven hours. 
Sleep mode auto control 
The function is usually used in rainy days in 
springtime or damp areas. 
Independent dehumidification 
Operation indication Lamps (LED) 
The louver can be set at the desired position or swing up and 
down automatically 
Air flow Direction control 
The unit can be change by the room temperature. 
Auto mode 
Easy clean panel 
Flexible wiring connection 
Defrost mode 
Temp. Compensation 
Prevent the cold wind at 
the beginning of unit start. 
Anti-cold function 
Auto-restart function 
Self-diag. function