AUXILIARY CONTROLLER FOR AN HVAC SYSTEM AND METHOD OF OPERATION
First Claim
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1. An auxiliary controller for an HVAC system comprising:
- a thermostat interface for receiving control signals by wire from a thermostat;
an HVAC system interface for providing control signals by wire to an HVAC system;
a security system interface for receiving armed status signals by wire from a security system; and
processing structure configured to, while the security system is disarmed, permit routing of all control signals received from a thermostat to an HVAC system and, upon arming of the security system, invoke a setback mode including controlling the routing to reduce energy consumption.
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Abstract
An auxiliary controller for an HVAC system includes a thermostat interface for receiving control signals by wire from a thermostat; an HVAC system interface for providing control signals by wire to an HVAC system; a security system interface for receiving armed status signals by wire from a security system; and processing structure configured to, while the security system is disarmed, permit routing of all control signals received from a thermostat to an HVAC system and, upon arming of the security system, invoke a setback mode including controlling the routing to reduce energy consumption.
9 Citations
26 Claims
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1. An auxiliary controller for an HVAC system comprising:
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a thermostat interface for receiving control signals by wire from a thermostat; an HVAC system interface for providing control signals by wire to an HVAC system; a security system interface for receiving armed status signals by wire from a security system; and processing structure configured to, while the security system is disarmed, permit routing of all control signals received from a thermostat to an HVAC system and, upon arming of the security system, invoke a setback mode including controlling the routing to reduce energy consumption. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of operating an auxiliary controller for an HVAC system comprising:
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receiving control signals at the controller by wire from a thermostat; routing all received control signals by wire from the controller to an HVAC system; and in the event that an armed status signal is received by wire at the controller from a security system, invoking a setback mode including controlling the routing to reduce energy consumption. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification