HVAC communication bus decoders and corresponding methods
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United States of America Patent
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Jun 28, 2016
Grant Date -
Jun 25, 2015
app pub date -
Dec 19, 2013
filing date -
Dec 19, 2013
priority date (Note) -
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Abstract
In exemplary embodiments, HVAC communication bus decoders and corresponding methods are disclosed. In an exemplary embodiment, an HVAC communication bus decoder includes a control circuit having an input for coupling to an HVAC communication bus and one or more relays each having an output for coupling to a legacy HVAC system monitoring device. The control circuit is configured to read one or more messages transmitted on the HVAC communication bus, decode the one or more messages to determine a desired mode of operation called for by a thermostat connected to the HVAC communication bus, and energize at least one of the one or more relays to emulate a corresponding legacy HVAC signal representing the mode of operation called for by the thermostat to be provided to the legacy HVAC monitoring device.
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