| 摘要 |
PROBLEM TO BE SOLVED: To accurately hold an actual room temperature at a target room temperature by setting an estimated room temperature when a warm air heater and a cleaning blower are operated together of the estimated room temperature used in the case of controlling a heating amount of a heating means to a higher value than an estimated room temperature at the time of solely operating the heater. SOLUTION: In the case of starting an operation of a gas fan heater by turning ON a heating operation switch, a combustion of a gas burner 15 and a rotational speed of a heating blower 16 are controlled by a heating amount control means 30 so that an actual room temperature becomes a target room temperature after a hot dash operation is ended. At this time, whether the air cleaner is operated or not is checked by a room temperature estimating means 29. At the time of non-operating, a correction valueα1 is set, for example, to 2 deg.C, the valueα1 is subtracted from a detected value of an intake temperature sensor 18, and the room temperature is estimated. Meanwhile, at the time of operating the cleaner, a correction valueα2 is set, for example, to a smaller value than the value 1 such as, for example, 1.5, similarly, the valueα2 is subtracted from the detected value of the sensor 18, and the room temperature is estimated.
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