Hot gas bypass control for centrifugal liquid chillers

Details Hot gas bypass control for centrifugal liquid chillers Hot gas bypass control for centrifugal liquid chillers

F - Mech Eng,Light,Heat,Weapons

25

B

341/28, 62/31

F25B 1/00 (2006.01) F04D 27/02 (2006.01) F25B 49/02 (2006.01) G05D 23/24 (2006.01)

Patent

CA 1100320

078253-Y HOT GAS BYPASS VALVE CONTROL FOR CENTRIFUGAL LIQUID CHILLERS Abstract: A control system and a method are disclosed for automatically controlling a hot gas bypass valve as a function of cooling load and head. A valve/controller (40) is provided for controlling the operation of the hot gas bypass valve (34) so as to avoid surging of the compressor in response to temperatures of the chilled liquid entering the evaporator, the chilled liquid leaving the evaporator, and the liquid refrigerant at the outlet of the condenser.

340689

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