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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Part 2 Functions & Controls
2. Basic Mode Controls
2.1 Cooling Mode
Temp.
Comp. OFF
INV. Comp.
• Operating frequency of compressor depends on the load condition, like the difference between the room temp. and
the set temp., frequency restrictions.
• If the compressor operates at some frequency, the operating frequency of compressor cannot be changed within 30
seconds. ( not emergency conditions)
• Compressor turned off when
- intake air temperature is in between ±0.5°C of the setting temp. limit for three minutes continuously.
- intake air temperature reaches below 1.0°C of the temperature of setting temp..
• Compressors two minutes time delay.
- After compressor off, the compressor can restart minimum 2 minutes later.
2.2 Heating Mode
Comp. OFF
INV. Comp.
Temp.
• Operating frequency of compressor depend on the load condition, The difference between the room temp. and set
temp., frequency restrictions.
• If compressor operates at some frequency, the operating frequency of compressor cannot be changed within 30 sec-
onds.
• Condition of compressor turned off
- When intake air temperature reaches +4°C above the setting temperature.
• Condition of compressor turned on
- When intake air temperature reaches +2°C above the setting temperature.
* Condition of indoor fan turned off
- While in compressor on : indoor pipe temp. < 20°C
- While in compressor off : indoor pipe temp. < 30°C
• While in defrost control, between the indoor and outdoor fans are turned off.
• Compressor 2minutes delay
- After compressor off, the compressor can restart minimum 2 minutes later.
Notes: The Temp. of Thermo ON/OFF are different in heating mode and fuzzy operation for heating.