System and method for controlling an economizer circuit

A system and method for controlling an economizer circuit is provided. The economizer circuit includes a valve to regulate refrigerant flow between the economizer and the compressor. The valve can be opened to engage the economizer circuit or closed to disengage the economizer circuit based on the o...

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Bibliographische Detailangaben
Hauptverfasser: KULANKARA SATHEESH, KOPKO WILLIAM L, GRAYBILL ANDREW JOHN, FEDERMAN ISRAEL, NICKEY GLENN EUGENE
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A system and method for controlling an economizer circuit is provided. The economizer circuit includes a valve to regulate refrigerant flow between the economizer and the compressor. The valve can be opened to engage the economizer circuit or closed to disengage the economizer circuit based on the output frequency provided to the compressor motor by a variable speed drive and an operating condition of the economizer.