Moisture Protection Function 2 - Daikin FVKS25BVMB Service Manual

Control Specification
3. The set of a constant
DOA1CG, DOA2CG, DOA3CG, FCG7 and FCG8 have constants for Cooling / Heating
separately and these constants are distinguished with a suffix c/w.
4. Actual constant
∗
∗
3.10

Moisture Protection Function 2

Outline In order to obtain the dependability of the compressor, the compressor must be stopped
according to the conditions of the temperature of the outdoor air and outdoor heat exchanger.
Detail
Compressor operation turns OFF under the conditions that the system is in cooling operation
and outdoor air temperature is below –10°C.
36
Outdoor temperature
DOA2CG
DOA1CG
DOA4CG
DOA3CG
The lower
Cancelled
frequency limit.
Cooling FVK(X)S series
DOA1CGC 18°C
DOA2CGC 19°C
DOA3CGC 0°C
DOA4CGC 1°C
FCG7C 44 Hz
FCG8C 54 Hz
DOA : Outdoor air temperature
CGC : Compressor guard for cooling
CGW : Compressor guard for heating
FCG : Frequency guard for compressor protection
Common setting for 25/35 class
Operation stop depending on the outdoor air temperature
FCG7 FCG8
Heating FVXS series
DOA1CGW 0°C
DOA2CGW 2°C
DOA3CGW -4°C
DOA4CGW -2°C
FCG7W 37 Hz
FCG8W 52 Hz
Si06-305
FCG7 Cancelled
(R1044)
Function and Control