Daikin ARXG35E3V1B Service Manual page 44

SiBE04-809
3.3.3 Four Way Valve Operation Compensation
Outline Heat pump only
At the beginning of the operation as the four way valve is switched, acquire the differential
pressure required for activating the four way valve by having output the operating frequency,
which is more than a certain fixed frequency, for a certain fixed time.
Detail Starting Conditions
1. When starting compressor for heating.
2. When the operating mode changes to cooling from heating.
3. When starting compressor for rushing defrosting or resetting.
4. When starting compressor for the first time after the reset with the power is ON.
5. When starting compressor for heating next to the suspension of defrosting.
6. When starting compressor next to the fault of switching over cooling / heating.
Set the lower limit frequency (cooling :
conditions 1 through 6 above.
Compensation frequency in cooling
Compensation frequency in heating
Compensation timer
Function and Control
Hz, heating : Hz) for
68
66
45
Control Specification
seconds with any
33