Standby Control; Restart Standby; Crankcase Heater Control - Daikin Aurora Series Service Manual

SiUS341802E

3. Standby Control

3.1

Restart Standby

Used to forcedly stop the compressor for a period of 2 minutes, in order to prevent the frequent ON/OFF of the
compressor and equalize the pressure within the refrigerant system.
In addition, the outdoor fan carry out the residual operation for a while to accelerate pressure equalizing and to
suppress condensing of the refrigerant in the evaporator.
3.2

Crankcase Heater Control

In order to prevent the refrigerant from dissolving in the compressor oil in the stopped mode, this mode is used to
control the crankcase heater.
Crankcase heater
Functions and Control
Discharge pipe
temperature < 70˚C (158 ˚F)
OFF
Discharge pipe
temperature > 75˚C (167 ˚F)
Crankcase heater
ON

Standby Control

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