Before reversing the cycle at the beginning and at the end of the defrost, the compressor ramps down to
decrease the pressure inside the circuit:
When defrost is active:
- 4-way valve is deactivated
- Compressor runs at a fixed speed (if no protection is active)
- EEV is open at a fixed value
- Fan is off
When defrost ends:
- 4-way valve is reactiavted
- EEV is opened at a fixed value for 5 minutes
To Next Page
Loading...
