Digital scroll condensing unit controller
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United States of America Patent
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-
Aug 5, 2003
Grant Date -
Oct 31, 2002
app pub date -
Mar 16, 2001
filing date -
Mar 16, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cooling system controller controls the capacity of a variable capacity compressor based upon the temperature of a housing being cooled, the suction pressure of the compressor or both of these criteria. The cooling system controller is capable of controlling either single-evaporator or multiple-evaporator refrigeration systems. The multiple-evaporator systems can have evaporators of similar temperatures or of mixed temperatures. The controller also allows the use of one or more condenser fans that are operated in a lead/lag fashion to control the cooling capability of the system.
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