| 摘要 |
PURPOSE:To enable the prevention an erroneous control due to a fluctuation in a power source voltage by a method wherein a control command signal transmitted from a control command means according to the intensity of a voltage applied on a unit is corrected to a proper signal. CONSTITUTION:Each unit of a flame rod 12, to work related to the combustion state of a burner 8, an electromagnetic pump 1, a variable resistor R10, and a thermistor 5 is actuated by means of a power from a power source 99. When a given control command signal is issued through the operation of these units, a microcomputer 13 connects resistors R4 and R5 in parallel to the power source 99, and inputs a voltage signal E from between the resistors R4 and R5 to detect a voltage applied on each unit from the power source 99, and corrects a control command signal to a proper signal according to the intensity of a voltage. Further, a resistor R10 is adapted to work so that temperature is set to a desired value by a user, and is actuated in linkage with a temperature set control lever. |
