| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a heat pump type hydronic heater that enhances comfort by operating floor heating panels of a plurality of rooms at different floor temperatures. <P>SOLUTION: A heat pump type hydronic heater includes: a heat pump cycle 2 having a compressor 3 and heating hot water; a plurality of heat radiation means 13; a hot water circulation pump 9 circulating the hot water heated by the heat pump cycle 2 to the plurality of heat radiation means 13; opening/closing means 11 connected to the plurality of heat radiation means 13 respectively; and a control part 16; wherein when the plurality of heat radiation means 13 are operated at different set temperatures, the plurality of opening/closing means which are connected to the heat radiation means other than the heat radiation means that having the highest set temperature are opened and closed with a predetermined period, and timings for closing the plurality of opening/closing means are set at the substantially same time. <P>COPYRIGHT: (C)2013,JPO&INPIT |
