SYSTEM AND METHOD FOR SELECTING AN OPERATING LEVEL OF A HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM
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United States of America Patent
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N/A
Issued Date -
Apr 10, 2008
app pub date -
Oct 4, 2006
filing date -
Oct 4, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and apparatus for selecting an operating level of an HVAC system uses historic and predicted drive durations to ensure that drive periods fall within the recommended minimum and maximum drive times, thereby increasing efficiency and reducing strain on the system. The method comprises the steps of: receiving a minimum and a maximum drive time of the HVAC system; determining a current temperature of a room; estimating, based on a prior drive operation of the HVAC system, a time to drive the current temperature to a predefined desired temperature; and selecting an operating level of the HVAC system based on a relationship of the calculated drive time to the minimum drive time and the maximum drive time. Selecting the operating level comprises at least one of: selecting a fan speed; activating a compressor; activating an auxiliary or emergency heating element; or activating an auxiliary or emergency cooling element.
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