Refrigeration – Processes – Circulating external gas
Patent
1981-08-17
1983-06-28
Wayner, William E.
Refrigeration
Processes
Circulating external gas
62180, 165 16, 236 49, F25D 1706
Patent
active
043898530
ABSTRACT:
An apparatus and method for operating an air conditioning unit incorporating both an economizer and a two speed fan are described. When the economizer is in operation the fan is typically operated at high speed regardless of refrigeration circuit operation to circulate sufficient outdoor air to the enclosure. When the economizer is closed, indicating the outdoor air is too warm to provide cooling to the enclosure, the fan is typically operated at low speed saving fan energy. An override control is provided for operating the fan at high speed regardless of the outdoor temperature should sufficient cooling demand be detected.
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Honeywell Pamphlet--W973 Solid State Energy Management System.
Carrier Corporation
Daley Donald F.
Hayter Robert P.
Wayner William E.
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