Pump Down
A control sequence that closes a liquid-line solenoid and lets the compressor pull most of the refrigerant into the condenser/receiver before shutting off, keeping liquid out of the compressor on the next start.
A control sequence that closes a liquid-line solenoid and lets the compressor pull most of the refrigerant into the condenser/receiver before shutting off, keeping liquid out of the compressor on the next start.