Operation Details - LG LB-H1860RH Service Manual

Operation Details

(1) The function of main control
1. Time Delay Safety Control
• 3min The compressor is ceased for 3minutes to balance the pressure in the refrigeration cycle.
(Protection of compressor)
• 30sec The 4-way valve is ceased for 30sec. to prevent 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.
2. Soft-Dry Operation
• The indoor fan speed is automatically set to the low, and fan speed control is not available because of already
being set to the best speed for Dry Operation by Micom Control.
3. Cooling Mode Operation
• When selecting the Cooling(
troller and the operation diagram is as follows.
Intake Air temp.
SET TEMP.+0.5°C
(COMP. ON)
SET TEMP
SET TEMP. -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
Selected
Low
fan speed
ON OFF
Selected
fan speed
ON
–21–
More than
3 minutes
Selected
Low
fan speed
OFF ON