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Only for training and service purposes
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12. Protection of the evaporator pipe from frosting
If the temperature of the indoor coil is below 0°C after 7 minutes from starting the compressor, the
compressor and the outdoor fan is stopped, and then after 3 minute delay of the compressor and
the temperature of the indoor coil is over 7°C, the compressor and the outdoor fan is reoperated.
Indoor fan operates at low speed (comp. OFF) or at selected speed (comp. ON)
13. Inlet grille open
Once the inlet grille is opened during operation of the unit, the unit automatically stops operation and the
lamps will be turned-off. But memorized functions are still available.
When the inlet grille is closed again, the unit become waiting state for operation. From then, the unit can be
operated by forced operation button or Start/Stop button of remote controller.
14. Test Operation
• When pressing forced operation switch about 3 seconds, the unit operates in cooling mode at high speed fan
regardless of room temperature and resets in 18 min.
• During test operation, if remote controller signal is received, the unit operates as remote controller sets.
15. Auto Restarting Operation
• When the power is restored after a sudden power failure while in appliance operation, the mode before the
power failure is kept on the memory and the appliance should be on the automatically operates in the mode
on the memory.
• Operation Mode that is kept on the memory
- State of Operation ON/OFF
- Operation Mode/Setting Temp/Selected airflow Speed
- Sleep Timer Mode/Remaining Time of Sleep Timer(unit of hour)
11. Forced operation
• If you lose wireless remote controller, you can operate the unit with forced operation switch.
• The standard conditions are as following.
• Unit operates in low fan mode for first 15 seconds, then switched to proper operation mode according to
intake Air temperature.
Heat pump Model
Room Temp 24
°C
21°C
Room Temp 24
°C
Room Temp
21
°C
Operation Mode Cooling Cooling Soft Dry Heating
FAN Speed High High Soft Dry Rule High
Setting Temp. 24°C22°C Air Intake Temperature 24°C
Cooling Model
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