Temperature control for gas water heaters and related methods
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United States of America Patent
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Aug 2, 2022
Grant Date -
Apr 1, 2021
app pub date -
Oct 1, 2019
filing date -
Oct 1, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A processor for a controller of a water heater is configured to receive water heater control parameters and an output from a sensor indicating a measured temperature of water in the water heater. The processor is also configured to determine whether to enter an anti-stacking control mode or to enter a demand anticipation control mode. In the anti-stacking control mode the processor is configured to initiate a call for heat when the measured temperature reaches a trigger temperature, calculate a burner on delay value and set a second timer with the calculated value, and calculate a reduced activation time. In the demand anticipation control mode the processor is configured to increase the variable offset based on a frequency of the demand anticipation control mode being activated, initiate a call for heat, and control, based on the reduced activation time or the increased offset value, the burner.
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