Preheating Operation Control - Daikin RZQ100B8V3B Service Manual

General Functionality
1.17

Preheating Operation Control

1
Applicable units
Outline
2
Trigger conditions
3
4
5
2–24
RZQ71
After the compressor has been turned off, the preheating operation will be activated in order to avoid
refrigerant from dissolving in the compressor oil.
Starting conditions &
Ending conditions or
Power supply ON to First operation
or
60 minutes or more elapsed after compressor stop
T2 (Discharge pipe temperature) < 40°C
Ta (Outside temperature) < 40°C
T2 (Discharge pipe temperature) > 43°C
Ta (Outside temperature) > 43°C
Thermostat ON confirmation
ESIE05-03
Part 2 – Functional Description