| 摘要 |
<p>A device (1) for the control of a burner (2) in general comprises an electrical control unit (7) for the lighting and automatic control of flame in the burner and a valve unit including: normally-closed valve means (5, 6) which are disposed in main line (3) for the supply of fuel to the burner (2) and can be opened by the control unit (7), means (14), controlled by the control unit (7), for automatically lighting the flame in the burner, and flame-detection means (17) associated with the burner and connected to the control unit (7). The device (1) also comprises actuator means (18) operatively associated with the control unit (7) and connected to the valve means (5, 6) for the manual operation thereof when the control unit (7) is deactivated owing to lack of electrical energy. When the control unit (7) is activated upon the return of the electrical energy, the actuator means (18) are relieved of the control of the valve means (5, 6).</p> |
