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Integrated damper control system

  • US 10,240,787 B2
  • Filed: 04/27/2012
  • Issued: 03/26/2019
  • Est. Priority Date: 05/03/2011
  • Status: Active Grant
First Claim
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1. A method of controlling a damper used with a gas fired appliance including a gas burner and a flue, the damper for selectively opening the flue, the method comprising:

  • providing an appliance control programmed processor for controlling the gas burner, the appliance control programmed processor including a digital lockout register for storing electronic data information;

    providing a damper control programmed processor for controlling the damper, the damper control programmed processor including a digital damper request register for storing electronic data information; and

    providing communications between the appliance control programmed processor and the damper control programmed processor,the damper control programmed processor selectively opening or closing the damper responsive to status of the digital damper request register and controlling status of the digital lockout register to indicate status of the damper, and the appliance control programmed processor controlling status of the digital damper request register responsive to a call for operation of the gas burner and operating the gas burner only if the digital lockout register is in an unlock status.

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