| 摘要 |
Disclosed is a multi-airconditioner including a plurality of outdoor units and at least one indoor units in which refrigerant conduits connecting the outdoor units and the at least one indoor units are united in the form of two or three conduits. In the case of the multi-airconditioner for effecting either room-cooling or room-heating, each of the outdoor units and each of the indoor units have a liquefied refrigerant conduit and a gasified refrigerant conduit, which are connected with a single common liquefied refrigerant conduit and a single common gasified refrigerant conduit, respectively. In the case of the multi-conditioner for effecting simultaneous room-cooling and room-heating operation in which some of the indoor units are under room-cooling operation while the other indoor units are under room-heating operation, each outdoor unit and each indoor unit have a liquefied refrigerant conduit, a high-pressure gasified refrigerant conduit and a low-pressure gasified refrigerant conduit, and these liquefied refrigerant conduits, high-pressure gasified refrigerant conduits and low-pressure gasified refrigerant conduits are connected to a single common liquefied refrigerant conduit, a single common high-pressure gasified refrigerant conduit and a single common low-pressure gasified refrigerant conduit, respectively.
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