| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a new hot water supply air conditioner wherein an indoor unit is shared by a hot water supply system and an air conditioning system. <P>SOLUTION: The hot water supply air conditioner 1a includes first refrigerant piping L1 through which a refrigerant discharged from a compressor 15 is made to flow and second refrigerant piping L2 through which the refrigerant is made to flow toward an electronic expansion valve 19. The first refrigerant piping L1 is divided into a first branch pipe L11 through which the refrigerant is made to flow toward an indoor heat exchanger 31 and a second branch pipe L12 through which the refrigerant is made to flow toward a water/refrigerant heat exchanger 21. A third branch pipe L21 through which the refrigerant is made to flow from the indoor heat exchanger 31 toward the electronic expansion valve 19 and a fourth branch pipe L22 through which the refrigerant is made to flow from the third heat exchanger toward the expansion valve are merged into the second refrigerant piping L2. When a first solenoid on-off valve 23 is opened, the refrigerant is made to flow between an outdoor unit 10 and an indoor unit 30. When the first solenoid on-off valve 23 is closed, a refrigerant flow from the outdoor unit 10 toward the indoor unit 30 or a refrigerant flow from the indoor unit 30 toward the outdoor unit 10 is stopped. <P>COPYRIGHT: (C)2011,JPO&INPIT |
