发明授权
US09310086B2 Air-conditioning apparatus 有权
空调机

Air-conditioning apparatus
摘要:
An air-conditioning apparatus including an outdoor unit having a compressor for compressing a refrigerant and a heat source side heat exchange for exchanging heat between the refrigerant and air, a plurality of indoor units having use side heat exchangers for exchanging heat between a heat transfer medium that flows therein and air, and relay unit disposed between the outdoor unit and the indoor units. The relay unit exchanges heat between the refrigerant conveyed from the outdoor unit and the heat transfer medium flowing in the indoor units. The relay unit includes a main relay unit that is connected to the outdoor unit with two pipes and a sub relay unit that is connect to the main relay unit with three pipes.
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