Patent ID: 11879640
Assignee: COWLES OPERATING COMPANY
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 14:
15. A method of operating a heating system, comprising:
providing a controller to said heating system, said system providing heat to a location, said controller monitoring said heating system and having the capability to shut the heating system down;
said heating system including:
an air supply conduit for feeding outside air to said system, said air supply conduit including a damper interchangeable between an open position and a closed position; and
a sensor in electrical communication with said controller, said sensor measuring a parameter correlating to, or representative of, air flow immediately egressing the damper, and communicating said parameter to said controller, wherein said controller monitors said parameter and is responsive to a change in parameter, such that a predetermined threshold initiates a shutdown sequence of said system;

firing said heating system;
measuring via said sensor a parameter correlating to, or representative of, an air flowing to the heating system;
sending a signal via the sensor responsive to said parameter measurement to said controller;
determining whether a predetermined threshold value is met, said predetermined threshold value including a measurement of negative pressure, vacuum, air flow volume, or temperature within the heating system, as measured by the sensor; and
shutting down the heating system via the controller when a signal from the sensor is determined by the controller to have reached a threshold value indicating a damper position preventing or impeding air from flowing through said air supply conduit to said heating system.