Standby Control; Restart Standby; Crankcase Heater Control - Daikin VRV EMERION REYQ-AATJA Service Manual

SiUS372201EB

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 migration of the refrigerant to the evaporator.
3.2

Crankcase Heater Control

In order to prevent the refrigerant from migrating into the compressor oil while not operating,
outdoor air temperature, compressor body temperature, etc., are used to control the crankcase
heater.
Part 4 Functions and Control
Standby Control
146