ADAPTIVE HOT GAS BYPASS CONTROL FOR CENTRIFUGAL CHILLERS

摘要

An adaptive control apparatus and a method for automatically controlling a refrigeration system (100) as a function of cooling load and head. A control panel (140) controls the operation of a hot gas bypass valve (134) so as to avoid surging of the compressor (110) in response to cooling load and head. The control apparatus and method also allow for automatic self calibration.< /SDOAB>