| 摘要 |
PURPOSE:To control the flow of a refrigerant in order that the amount of refrigerant circulation in the title apparatus using a refrigerant pump is controlled at a minimum, in correspondence with the amount of combustion heat. CONSTITUTION:The title apparatus has a control device 29 whereby the number of revolution of a refrigerant pump is controlled in order that the amount of refrigerant circulation fed by a refrigerant-pumping apparatus 18 is made minimum in correspondence with the amount of combustion heat. For this purpose, first, the average amount of the refrigerant circulation is made an initial value in correspondence with the amount of the combustion heat, and the amount of the refrigerant circulation is so corrected that a refrigerant temperature at the outlet of a heater 6 approaches to an upper limit value. |
