Multichannel condenser coil with refrigerant storage receiver

摘要

A chiller including a condenser having a refrigerant-storage vessel in fluid communication with a multichannel heat exchanger is disclosed. The chiller further includes a compressor, an evaporator and an expansion device connected in a refrigerant circuit. The refrigerant-storage vessel provides system volume for pump down operations.

主权项

1. A system comprising:
a refrigerant loop comprising a compressor, a condenser comprising at least one multichannel heat exchanger coil, an expansion device, and an evaporator; a vessel configured to store refrigerant; the vessel comprising a first connection in continuous fluid communication with the multichannel heat exchanger coil via a first line and a second connection to directly and continuously receive refrigerant from a portion of the refrigerant loop in continuous fluid communication with the compressor via a second line, the first connection and the second connection being in continuous fluid communication with each other; and the vessel, the multichannel heat exchanger coil, and the first line being sized to store all of the refrigerant in the system during a pump down operation.