发明名称 |
Air conditioner |
摘要 |
An air conditioner comprising: a set of outdoor unit 2 having a compressor 21 that compresses a refrigerant, an outdoor heat exchanger 22, and a four-way valve 23; and a plurality of indoor units 3 respectively having indoor heat exchangers 31 connected to the outdoor unit through a liquid refrigerant pipe 5 and a gas refrigerant pipe 6, in which the outdoor unit is arranged above the indoor units. The air conditioner further includes: on-off valves 32 respectively provided in the indoor units 3 on a side of the liquid refrigerant pipe 5; and a controller 72 that performs a defrost operation by switching the four-way valve 23, and the controller once controls the on-off valves 32 in a closing direction when the four-way valve 23 switches the defrost operation to a heating operation. |
申请公布号 |
EP2363654(A3) |
申请公布日期 |
2014.12.03 |
申请号 |
EP20110152696 |
申请日期 |
2011.01.31 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES |
发明人 |
WATANABE, SATOSHI;MAENO, MASASHI;ISOZUMI, SHINICHI;YASUDA, TATSUHIRO |
分类号 |
F24F1/00;F24F3/06;F24F11/00;F25B5/02;F25B47/02 |
主分类号 |
F24F1/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|