Method and systems for operating compressors and fan coils using electronically commutated motors
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United States of America Patent
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Issued Date -
Sep 13, 2007
app pub date -
Mar 7, 2006
filing date -
Mar 7, 2006
priority date (Note) -
Abandoned
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Abstract
A heating, ventilation, and air conditioning (HVAC) system is described that includes a first unit and a second unit. The first unit comprises a controller configured to output a coded compressor activation signal that is based at least partially on a compressor run signal received from a thermostat. The second unit comprises at least a compressor relay. The second unit is configured to receive and decode the coded compressor activation signal from the first unit and is operable to operate the compressor relay based on the decoded content of the coded compressor activation signal.
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