| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce an initial installation cost, an installation space and a running cost, and to effectively utilize energy by simple control. <P>SOLUTION: This heat pump hot water supply system includes closed tank 30/opened tank 60 for storing warm water from a heat source machine 20, a cold water supply pipe 40 for supplying cold water to a water heat exchanger 21, a warm water supply pipe 50 for discharging the warm water from the water heat exchanger 21 and supplying the same to the closed tank 30/opened tank 60, a plurality of flow rate adjustment valves 52 arranged in parallel on the warm water supply pipe 50, a plurality of flow channel switching valve 53 disposed at a downstream side of the flow rate adjustment valves 52, a branched pipe 80 connected to the warm water supply pipe 50 through the flow rate switch valves 53 at one end side and connected to the cold water supply pipe 40 at the other end side, the water heat exchanger 90 connected to the branched pipe 80 at a primary side, a circulation pipe 110 disposed at a secondary side of the water heat exchanger 90, and a bathtub 100 which distributes the cold water to the circulation pipe 110 and to which the warm water from the water heat exchanger 90 is supplied. <P>COPYRIGHT: (C)2010,JPO&INPIT |
