Thermostat having modulated and non-modulated provisions
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United States of America Patent
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Jul 28, 2009
Grant Date -
May 24, 2007
app pub date -
Mar 20, 2006
filing date -
Aug 18, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A thermostat providing modulated or analog control of valves or dampers of an air management system. This permits operating a single cooling or heating stage with partially open valves or dampers as needed, since one full stage that is either fully on or off may not be easy to manage for effective air management of a particular type of building, zone or facility. The thermostat may also provide non-modulated control of multi-stage cooling and heating systems. The thermostat may even be used to control a modulated system having more than one stage of cooling or heating.
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