Service manual

Control Specification Si06-305
36 Function and Control
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
∗
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
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

Operation stop depending on the outdoor air temperature
Compressor operation turns OFF under the conditions that the system is in cooling operation
and outdoor air temperature is below –10°C.
Cooling FVK(X)S series Heating FVXS series
DOA1CGC 18°CDOA1CGW0°C
DOA2CGC 19°CDOA2CGW2°C
DOA3CGC 0°CDOA3CGW-4°C
DOA4CGC 1°CDOA4CGW-2°C
FCG7C 44 Hz FCG7W 37 Hz
FCG8C 54 Hz FCG8W 52 Hz
FCG8
The lower
frequency limit.
Cancelled FCG7 FCG7Cancelled
DOA3CG
DOA4CG
DOA1CG
DOA2CG
Outdoor temperature
(R1044)