Backup control for HVAC system

Details Backup control for HVAC system Backup control for HVAC system

2011-08-09

2011-08-09

Norman, Marc E (Department: 3744)

Automatic temperature and humidity regulation

Distance-adjusted

C236S094000, C700S276000, C062S126000

Reexamination Certificate

active

07992794

ABSTRACT:
An equipment interface module that can operate one or more pieces of HVAC equipment in accordance with instructions received from a properly operating thermostat, yet can also operate the HVAC equipment when communications between the thermostat and the HVAC controller are lost due to, for example, low battery power at the thermostat, malfunctioning thermostat sensor(s), malfunctioning communication and/or thermostat circuitry, electrical interference, and the like. In some instances, the equipment interface module may regulate the HVAC equipment in accordance with a signal from a remote sensor when communication with the thermostat is lost.

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