| 摘要 |
PURPOSE:To enable to make favorable ignition by enabling to supply necessary and sufficient fuel for the ignition to a burner, by providing an operator making changeover operation toward an increasing side of a quantity of fuel gas to be supplied to the burner through a gas valve part at the time of ignition operation on a manual operating component. CONSTITUTION:The title controller is so constituted that an operator 27 fronting on an operating lever 22 of a large flow gas valve 19 from a push metal opening 6a constituting a manual operating component 6 is abutted against a protruded collar 28 of the operating lever 22 at a midway position when pushing operation of the push metal opening 6a is done up to a terminal position and at the final operating position when operation of the push metal opening 6a is done by the push metal opening 6a, and a large flow gas valve 19 is opened also by operation of the push metal opening 6a or turning knob 31 to the final position. |
