| 摘要 |
Multi-type air conditioner is disclosed for effective removal of foreign matters in refrigerant pipelines, including an outdoor unit having a compressor, an outdoor heat exchanger, a flow path control valve for controlling a flow path of the refrigerant from the compressor, and an outdoor unit piping system, a plurality of indoor units each having an indoor unit expansion device, an indoor heat exchanger, an indoor piping system, a distributor for receiving refrigerant from the outdoor unit, distributing the refrigerant to the indoor units proper to respective operation modes, and returning to the outdoor unit again, connection pipelines connected between the outdoor unit and the distributor, and foreign matter cutting off means mounted on each of the connection pipelines for prevention of the foreign matters from entering into the compressor of the outdoor unit.
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