Apparatus to sense and control compressor operation in an HVAC system
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United States of America Patent
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Sep 6, 2011
Grant Date -
Oct 29, 2009
app pub date -
Jul 10, 2009
filing date -
Mar 2, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
An HVAC system and method for configuring a controller to control a compressor including a detection system provided to determine a type of compressor. The detection system includes a processor; and a load sensing circuit connected between the processor and a controller. The controller has a plurality of output connections connectable to a compressor. The load sensing circuit senses whether a load is present on each output connection of the plurality of output connections and provides a load signal to the processor indicating whether a load is present on each output connection. The load signals are processed with the processor to determine the type of compressor is present. The controller is configured to control the compressor in response to the determined type of compressor.
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