Ceiling Duct Type - LG universal system air conditioner Service Manual

Ceiling Duct Type

Ceiling Duct Type
The function of main control
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(
and the operation diagram is as following.
Intake Air Temperature
SET TEMPERATURE +0.5°C
(Thermo. ON)
SET TEMPERATURE -0.5°C
(Thermo. OFF)
INDOOR FAN
COMPRESSOR
132 Universal System Air Conditioner
) Mode Operation, the unit will operate according to the setting by the remote controller
More than
3 minutes
Selecting
Low
fan speed
ON OFF
More than
3 minutes
Selecting
Low
fan speed
ON OFF
Selecting
fan speed
ON