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Service Manual 31
- Operation Mode/Setting Temp/Selected Airflow Speed
- Sleep Timer Mode/Remaining Time of Sleep Timer (unit of hour)
■ Forced Operation
• Operation procedures when the remote control can't be used.
• The operation will be started if the power button is pressed.
• If you want to stop operation, re-press the button.
• While in forced operation, the key input by the remote control has no effect and the buzzer sounds 10 times to
indicate the forced operation.
■ Test operation
•
During the TEST OPERATION, the unit operates in cooling mode at high speed fan, regardless of room tem-
perature and resets in 18±1 minutes.
•
During test operation, if remote controller signal is received, the unit operates as remote controller sets.
If you want to use this operation, open the front panel upward and Press the power button let it be pressed for
about 3 seconds.
•
If you want to stop the operation, re-press the button.
■ Protection of the evaporator pipe from frosting
• If the indoor pipe temp is below 0°C in 7 min. after the compressor operates without any pause while in cooling
cycle operation mode, the compressor and the outdoor fan are turned off in order to protect the indoor evapo-
rator pipe from frosting.
• When the indoor pipe temp is 7°C or higher after 3 min. pause of the compressor, the compressor and the out-
door fan is turned on according to the condition of the room temperature.
■ Buzzer Sounding Operation
• When the appliance-operation key is input by the remote control, the short "beep-beep-" sounds.
• When the appliance-pause key is input by the remote control, the long "beep—" sounds.
• When a key is input by the remote control while the slide switch on the main unit of the appliance is on the
forced operation position, the error sound "beep-beep-beep-beep-beep-" is made 10 times to indicate that the
remote control signal cannot be received.
Operation
Heat pump Model
Cooling Model
Room Temp. ≥ 24°C21°C ≤ Room Temp. < 24°C Room Temp. < 21°C
Operating mode Cooling Cooling Healthy Dehumidification Heating
Indoor Fan Speed
High High High High
Setting Temperature
22°C22°C23°C24°C