SYSTEMS AND METHODS FOR COMPUTER ROOM AIR CONDITIONING

A cooling system includes a condenser and first and second cooling circuits. The condenser is configured to condense refrigerant to a liquid. The first cooling circuit includes a direct expansion valve coupled to the condenser, a first evaporator coil coupled to the direct expansion valve, and a com...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DONG, ZHIHAI GORDON, BEAN, JOHN H., JR
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A cooling system includes a condenser and first and second cooling circuits. The condenser is configured to condense refrigerant to a liquid. The first cooling circuit includes a direct expansion valve coupled to the condenser, a first evaporator coil coupled to the direct expansion valve, and a compressor coupled to the first evaporator coil. The first cooling circuit receives at least a first portion of the liquid refrigerant and output first refrigerant vapor, and the compressor receives the first refrigerant vapor and output a compressor refrigerant output to the condenser. The second cooling circuit includes a pump coupled to the condenser, an economizer valve coupled to the pump, and a second evaporator coil coupled to the economizer valve. The second cooling circuit receives at least a second portion of the liquid refrigerant and output a second vapor refrigerant to the condenser.