72 Indoor Unit
Operation Details
Intake Air Temperature
SET TEMPERATURE +0.5°C
(COMP. ON)
SET TEMPERATURE -0.5°C
(COMP. OFF)
More than More than
3 minutes 3 minutes
Selecting Selecting Selecting
fan speed fan speed fan speed
COMPRESSOR ON OFF ON OFF ON
INDOOR FAN Low Low
3. Operation Details
■ Time Delay safety Control
• 30sec
...
The 4-way valve is ceased for 30sec. to prevent the refrigerant-gas abnormal noise when the Heating opera-
tion is OFF or switched to the other operation mode while compress is off.
While compressor is running, it takes 3~5 seconds to switch to another mode.
■ 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 microcontroller 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.
(1) The function of main control
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