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Only for training and service purposes
LGE Internal Use Only
Outdoor Units
2.4 Sump heating control
2.4.1 Inverter compressor sump heating fuction
: A function protecting inverter compressor from damages, by increasing oil viscosity in low outdoor
temperature.
For the control,compressor operates in low frequencies.
Operating condition :in case of the following 3 conditions are fulfilled at the same time.
- Outdoor temperature, D-pipe temperature, Heat sink temperature : below 0°C,
❈ All Model is fitted with sump heater.
Comp.
Opening target : 0.7
LEV
0 sec. 90~300 sec.
Time (option)
15Hz
starting
starting
OD temp. < 0 ~ -10°C
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