System and method for compressor capacity modulation in a heat pump
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United States of America Patent
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Feb 18, 2014
Grant Date -
Oct 29, 2009
app pub date -
Jul 6, 2009
filing date -
Aug 3, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method is provided to control and operate a compressor to have two or more discrete output capacities in response to an outdoor temperature measurement. During operation of the compressor in an air conditioning or cooling mode, the compressor has a first output capacity in response to the outdoor temperature being greater than a first temperature setpoint and the compressor has a second output capacity in response to the outdoor temperature being less than a second temperature setpoint. During operation of the compressor in a heating mode, the compressor has different output capacities based on the outdoor ambient temperature.
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