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Air conditioning apparatus

机译:空调装置

摘要

An air-conditioning apparatus includes: a first defrosting pipe branching from a main circuit to supply a portion of refrigerant discharged from a compressor to one of plural parallel heat exchangers to be defrosted; a second defrosting pipe which returns, to the main circuit, the refrigerant supplied through the first defrosting pipe to the one parallel heat exchanger; a first expansion device provided on the first defrosting pipe; a second expansion device provided on the second defrosting pipe to adjust a pressure of the refrigerant in the one parallel heat exchanger; and a third expansion device provided between a connection point between an outlet of the second defrosting pipe and the main circuit and one of plural indoor heat exchangers functioning as an evaporator, to adjust a pressure of the refrigerant in the one of the indoor heat exchangers; and a controller that controls the second and third expansion devices individually.
机译:该空调装置包括:第一除霜管,其从主回路分支,以将从压缩机排出的制冷剂的一部分供给至多个平行热交换器中的一个以进行除霜。第二除霜管,将通过第一除霜管供给至一个并联热交换器的制冷剂返回至主回路。设置在第一除霜管上的第一膨胀装置。设置在第二除霜管上的第二膨胀装置,用于调节一个并联热交换器中的制冷剂压力。第三膨胀装置,其设置在第二除霜管的出口与主回路之间的连接点与用作蒸发器的多个室内热交换器中的一个之间,以调节该一个室内热交换器中的制冷剂的压力。控制器分别控制第二和第三扩展设备。

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