General control techniques in a heating, ventilation and air conditioning network
First Claim
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1. An HVAC network of an HVAC system that provides cooling and dehumidification for a premise, comprising:
- a data bus capable of communicating data between and among devices coupled thereto;
a compressor coupled to said data bus and fluidly coupled to an associated condenser coil and evaporator coil to provide cooling for said HVAC system;
a dehumidifier coupled to said data bus and independent of said compressor; and
a subnet controller coupled to said data bus and configured to enable said compressor to provide said cooling based on a temperature associated with said premises, wherein said subnet controller is further configured to receive or generate a dehumidification command and address overcooling of said premises by disabling said compressor when said dehumidifier acts upon said dehumidification command for said HVAC system.
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Abstract
The disclosure provides an HVAC data processing and communication network. In various embodiments of systems and methods including a bus, a compressor is coupled to the bus, and a subnet controller is coupled to the bus. The subnet controller disables the compressor when acting upon a dehumidification command.
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Citations
20 Claims
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1. An HVAC network of an HVAC system that provides cooling and dehumidification for a premise, comprising:
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a data bus capable of communicating data between and among devices coupled thereto; a compressor coupled to said data bus and fluidly coupled to an associated condenser coil and evaporator coil to provide cooling for said HVAC system; a dehumidifier coupled to said data bus and independent of said compressor; and a subnet controller coupled to said data bus and configured to enable said compressor to provide said cooling based on a temperature associated with said premises, wherein said subnet controller is further configured to receive or generate a dehumidification command and address overcooling of said premises by disabling said compressor when said dehumidifier acts upon said dehumidification command for said HVAC system. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for employing an HVAC network of an HVAC system that provides cooling and dehumidification for a premises, comprising:
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enabling a compressor of said HVAC system to provide cooling for said premises; receiving a dehumidification command for said HVAC system; operating a stand-alone dehumidifier of said HVAC system in response to said dehumidification command; and preventing overcooling of said premises by disabling, via a data bus of said HVAC network, said compressor from an enabled state when said dehumidifier is operating, wherein said compressor is coupled to said data bus and fluidly coupled to an associated condenser coil and evaporator coil to provide cooling for said HVAC system. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An HVAC system, comprising:
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a cooling system having a compressor, a condenser coil, an evaporator coil and an air handler; a dehumidifier separate from said cooling system; and a HVAC network including; a data bus capable of communicating data between and among devices coupled thereto, said compressor and said dehumidifier coupled to said data bus; and a subnet controller coupled to said data bus, wherein said subnet controller directs said dehumidifier to act in response to a dehumidification command and address overcooling of said premises by changing said compressor from an enabled state to a disabled state when said dehumidifier is acting upon said dehumidification command, wherein said dehumidification command is received by said subnet controller over the Internet and via said data bus. - View Dependent Claims (20)
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Specification