Operation Details - LG multi V PLUS Service Manual

3. Operation Details

(1) The function of main control
Time Delay safety Control
• 30sec ... The 4-way valve is ceased for 30sec. to prevent the refrigerant-gas abnormal noise when the Heating
operation 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(
troller and the operation diagram is as following.
Intake Air Temperature
SET TEMPERATURE +0.5°C
(COMP. ON)
SET TEMPERATURE -0.5°C
(COMP. OFF)
INDOOR FAN
COMPRESSOR
) Mode Operation, the unit will operate according to the setting by the remote con-
More than
3 minutes
Selecting
Low
fan speed
ON OFF
More than
3 minutes
Selecting
Low
fan speed
ON OFF
Service Manual 81
Operation Details
Selecting
fan speed
ON