| 摘要 |
<p>PURPOSE:To reduce a difference in temperature distribution between high and low as much as possible and to provide normally comfortable heating, by providing a control part which varies one or both of an amount of hot air through a hot air discharge port and an amount of heat generated by a heat generating means and vertically rotates a variable vane in linkage with the variation. CONSTITUTION:With an operation switch 41 turned ON, a control part 35 actuates a combustion control part 39 by means of an outputs S3 outputted from a comparing deciding part 38 on outputs from a temperature detecting part 36 and a room temperature detecting part 37. Through output of a control signal S4, combustion is started according to a predetermined sequence, and a blower 11 for convection is run. Simultaneously, the control signal S4 is outputted to a variable vane drive part 40, the variable vane drive part 40 runs a motor 31 on the output, and a variable vane 18 is rotated to a given angle. The rotation angle of the variable vane 18 is inclined approximately in a horizontal state during high combustion and high blast, slightly downward during middle combustion and middle blast, and downward during low combustion and low blast. Thus, temperature distribution in a room becomes approximately similar to that during high combustion, and those during high, middle, and low combustion become approximately similar to each other.</p> |
