LG ARTCOOL Series Service Manual page 20

5.5 Automatic defrost
• While in heating mode operation in order to protect the evaporator pipe of the outdoor unit from freezing, the cycle is
reversed to cooling made to defrost the evaporator pipe of the outdoor unit.
• Defrosting control is available 50 minutes later after heating cycle has started and the pipe temperature of outdoor unit
reaches below -6°C.
Minimum Time
of Heating
Operating
Freq. of
Setting Freq.
Comp.
EEV
Setting
Open step
ON
4-Way
Setting
Outdoor Speed
FAN
Setting
Speed
Indoor
FAN
Pre-Heat
LED
Deice STEP
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Fh
Fh
min
min
OFF
0 1 2
Main Deice time
Fh
min
OFF
OFF
ON
3 4
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Part 2 Functions & Controls
Setting
Freq.
Starting step
ON
Setting
Speed
Hi Speed
Hot
Hot
Start
Starting
OFF
5 6
LGE Internal Use Only