| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hot water heat pump and its control method capable of reducing an installation cost and an installation space, and shortening a temperature rising time of a hot water system. <P>SOLUTION: This hot water heat pump includes a hot water heat pump body 2 having a heat output heat exchanger extracting heat from a heat source system and outputting heat, a hot water system 5 for obtaining heat from the heat output heat exchanger, a three-way valve 4 disposed in the hot water system 6, and a control section for controlling the hot water heat pump body 2 and the three-way valve 4, and the control section controls an opening of the three-way valve 4 to guide a part of the hot water system 6 led out from the heat output heat exchanger to an upstream side of the hot water output heat exchanger. <P>COPYRIGHT: (C)2011,JPO&INPIT |
