Standby Control; Restart Standby; Crankcase Heater Control - Daikin REYQ-TA Series Service Manual

SiUS371614E

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 suppress the acceleration of the
pressure equalizing and melting of the refrigerant to the evaporator.
3.2

Crankcase Heater Control

In order to prevent the refrigerant from melting 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

60