| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hot water heating apparatus with a heat source machine having reduced starting and stopping frequency and reduced load, and its control method. <P>SOLUTION: The hot water heating apparatus 100 comprises the heat source machine for supplying hot water, a plurality of terminals 6-8 to which the hot water is supplied from the heat source machine, and a plurality of heat valves 11-13 for limiting the supply of the hot water to the terminals 6-8, wherein one of the heat valves 11-13 is opened to start the operation of the heat source machine and all heat valves 11-13 are closed to stop the operation of the heat source machine. It has a means 50 for calculating the operating time of the heat valves 11-13 and a control means 50 for continuing the operation of the heat source machine during a time from opening the heat valves 11-13 first opened to closing the heat valves 11-13 to be next opened including a time from closing the heat valves 11-13 first opened to opening the heat valves 11-13 to be next opened when a time from closing the heat valves 11-13 first opened to opening the heat valves to be next opened is within a preset time. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
