AusClimate D-025, Operation Manual

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Crank Heater
3.
Most dehumidifiers will generate instantaneous large electric current at the start,
which might bring the damage to the power supply system. The dehumidifier with
soft-start function can decrease the instantaneous electric current by 30-50% and
supply the maximum protection to the power supply system.
Most dehumidifiers usually start with difficultly when the ambient temperature is too
low. The lubricant of the compressor can’t work smoothly due to the low temperature.
The dehumidifier equipped with the crank heater can remove this potential risk.
This useful design will effectively extend the dehumidifier life span.