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2. Cassette Type Indoor Unit
(1) The function of main control
■ Time Delay Safety Control
• 3 min
...
The compressor is ceased for 3minutes to balance the pressure in the refrigeration cycle.
(Protection of compressor)
• 5 sec
...
Vertical air flow direction control louvers open in 5 seconds to prevent noise between louvers and wind.
• 5 sec
...
The 4-way valve is ceased for 5 sec. to prevent the refrigerant-gas abnormal noise when the Heating
operation is OFF or switched to the other operation mode when compress is off.
While compressor is running, it takes 3~5 seconds to switch.
■ Auto Swing Control
• This function is to swing the louver up and down automatically.
■ Soft-Dry Operation
• The indoor fan speed is automatically set to the low, so the shift of the indoor fan speed is impossible because of
already being set to the best speed for Dry Operation by Micom Control.
■ Cooling Mode Operation
• When selecting the Cooling( ) Mode Operation, the unit will operate according to the setting by the remote
controller and the operation diagram is as following
Intake Air temp.
COMP. ON
(SET TEMP.+0.5°C)
COMP. OFF
(SET TEMP. -0.5°C) More than More than
3 minutes 3 minutes
Selecting Selecting Selecting
fan speed fan speed fan speed
INDOOR FAN Low Low
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