TIME-BASED SETBACK RECOVERY
First Claim
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1. A heating, ventilation and air-conditioning system, comprising:
- a system controller configured to control the operation of a demand unit to maintain a comfort characteristic setpoint of a conditioned space; and
a setback calculation module of said system controller configured to calculate a setback value of said setpoint as a function of a recovery time from said setback value to said setpoint.
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Abstract
A system controller of a heating, ventilation and air-conditioning system is configured to control the operation of a demand unit to maintain a comfort characteristic setpoint of a conditioned space. The controller includes a setback calculation module that is configured to calculate a setback value of the setpoint as a function of a recovery time from the setback value to the setpoint.
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Citations
26 Claims
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1. A heating, ventilation and air-conditioning system, comprising:
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a system controller configured to control the operation of a demand unit to maintain a comfort characteristic setpoint of a conditioned space; and a setback calculation module of said system controller configured to calculate a setback value of said setpoint as a function of a recovery time from said setback value to said setpoint. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of manufacturing a heating, ventilation and air-conditioning system, comprising:
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configuring a system controller to control the operation of a demand unit to maintain a comfort characteristic setpoint of a conditioned space; and configuring a setback calculation module of said system controller to calculate a setback value of said setpoint as a function of a recovery time from said setback value to said setpoint. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A heating, ventilation and air-conditioning system controller, comprising:
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a processor; and a memory containing instructions, wherein said instructions are configured to control the operation of a demand unit to maintain a comfort characteristic setpoint of a conditioned space, and to calculate a setback value of said setpoint as a function of a recovery time from said setback value to said setpoint. - View Dependent Claims (21, 22, 23)
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24. A heating, ventilation and air-conditioning system controller, comprising:
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a processor; and a memory containing a data structure that correlates a recovery time of a comfort characteristic setpoint maintained by said processor with at least one measured local environmental condition, wherein said processor is configured to update said data structure to maintain a comfort characteristic setpoint of a conditioned space, and to calculate a setback value of said setpoint as a function of said recovery time. - View Dependent Claims (25, 26)
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Specification