Furnace, a high fire ignition method for starting a furnace and a furnace controller configured for the same
First Claim
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1. A controller for a multistage gas furnace, comprising:
- an interface configured to receive a heating call; and
a corrosion reducer configured to ignite said gas furnace at a high fire operation based on if an indoor circulating fan of said gas furnace is active.
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Abstract
The disclosure provides a controller for a multistage gas furnace, a multistage gas furnace and computer readable medium for performing a method to operate a furnace. In one embodiment, the controller includes: (1) an interface configured to receive a heating call and (2) a corrosion reducer configured to ignite the gas furnace at a high fire operation based on if an indoor circulating fan of the gas furnace is active.
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Citations
20 Claims
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1. A controller for a multistage gas furnace, comprising:
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an interface configured to receive a heating call; and a corrosion reducer configured to ignite said gas furnace at a high fire operation based on if an indoor circulating fan of said gas furnace is active. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A computer-usable medium having non-transitory computer readable instructions stored thereon for execution by a processor to perform a method for operating a gas furnace, comprising:
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receiving a heating call for said gas furnace; determining if an indoor circulating fan of said gas furnace is active; and igniting said gas furnace at a high fire operation based on if said indoor circulating fan is active. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A multistage gas furnace having a heat exchanger, comprising:
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an inducer configured to draw combustion air through said heat exchanger; a high fire pressure switch configured to close when flow of said combustion air has been established; an indoor circulating fan configured to move air across said heat exchanger and into conditioned space; and a controller configured to direct operation of said gas furnace, said controller including; an interface configured to receive a heating call; and a corrosion reducer configured to ignite said gas furnace at a high fire operation based on if said indoor circulating fan is active. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification