| 摘要 |
PURPOSE: An energy saving controller of an instantaneous boiler is provided to save energy by controlling the temperature change of supply water. CONSTITUTION: A burner and a circulation motor are operated continuously until the temperature of the supply water reaches a predetermined temperature. If the temperature of the supply water reaches the predetermined temperature, the burner is stopped while the circulation motor is operated continuously. The burner is kept in the stoppage state until the temperature of the supply water falls 10deg.C. The burner and the circulation motor are stopped until the temperature of the supply water falls 5deg.C more from the temperature indicated when the burner and the circulation motor stopped.
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