| 摘要 |
PURPOSE:To minimize the timing of ON, OFF operation of a burner even if the ambient temperature is high at the time of start of operation of a space heating by providing rising combustion time calculating means for so calculating the rising combustion time for operating to heat with maximum fuel amount at the time of start of operation of a room heating as to be long when the detected temperature is low and short when it is high. CONSTITUTION:Rising combustion time calculating means 27 for so calculating a rising combustion time for operating to heat with maximum fuel amount at the time of start of operation of room heating as to be long when detected ambient temperature is low and short when it is high is provided. Combustion amount control means 17 outputs a control signal to a burner controller 12 for so controlling the combustion amount of a burner 2 as to become maximum combustion amount during a period of time T0 calculated by the means 27 at the time of start of operation of the burner 2 and optimum combustion am ount calculated by combustion amount calculating means 16 thereafter, and the memory of a microcomputer stores a program for executing means including new rising combustion time calculating means 27 and combustion amount control means 17. |
