Operation Detail - LG R410A Service Manual

Operation Detail

3. Operation Detail
(1) The function of main control
I Time Delay Safety Control
• 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.
I Auto Swing Control
• This function is to swing the louver up and down automatically.
I 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.
I Cooling Mode Operation
• When selecting the Cooling(
troller and the operation diagram is as following
Intake Air Temperature
COMP. ON
(SET TEMPERATURE +0.5°C)
COMP. OFF
(SET TEMPERATURE -0.5°C)
INDOOR FAN
I Swirl Swing Control
Vane 2, 4 is almost vane closed while vane1, 3 is opened.
Vane 1, 3 and vane 2,4 turn over minutely
24 Indoor Unit
) Mode Operation, the unit will operate according to the setting by the remote con-
More than
3 minutes
Selected
Low
Speed
More than
3 minutes
Selected
Low
Speed
Vane 2
Vane 1
Vane 4
Selected
Speed
Vane 3