초록

A gas heater is provided with a combustion status sensor that provides heater performance data to a controller that controls the heater according to the sensor data and stored calibration parameters optimized for the particular heater.

대표청구항 ▼

[ What is claimed:] [1.] A heating appliance fueled by a combustible gas comprising:a gas burner, said gas burner providing a combustion site for substantially all of the combustion;a jet for delivering the gas to said burner;a valve for controlling flow of the gas to said jet;an electrical ignition

[ What is claimed:] [1.] A heating appliance fueled by a combustible gas comprising:a gas burner, said gas burner providing a combustion site for substantially all of the combustion;a jet for delivering the gas to said burner;a valve for controlling flow of the gas to said jet;an electrical ignition system for selectively igniting gas at the burner;a combustion chamber about said burner, said chamber having an inlet for combustion air and an outlet for burned gases;a combustion status sensor located at said combustion site for providing a signal indicative of a combustion status to be sensed; anda first controller that controls said appliance in accordance with said combustion status signal and a plurality of stored calibration parameters, said controller thereby being responsive to at least one of CO.sub.2 /O.sub.2 concentration, flashback, combustible gas type, or gas pressure.