Patent ID: 7640767
Filing Date: 2010-01-05
Classification: F25B,F25D,Y02B

Abstract:
1. A chiller system comprising: a refrigerant circuit comprising compressor, a condenser, and an evaporator connected in a closed refrigerant loop, the refrigerant circuit being configured and disposed as a unit; a transformer configured for connection to a medium/high AC voltage input mains and low AC voltage output, the transformer having a fluid path therethrough in fluid communication with a cooling circuit; a variable speed drive connected to the output of the transformer, the variable speed drive configured to power a motor of the compressor; the transformer and the variable speed drive mounted on the unit; and the transformer being configured to provide at least two output low voltage levels, a first output low voltage level for the variable speed drive and other power equipment, and a low voltage for the control panel and control equipment.