AIR CONDITIONING APPARATUS

An air conditioner (1) includes a heat-source-side unit (2), a plurality of use-side units (3a, 3b, 3c, 3d), an intermediate unit (4), and two connection pipes (5, 6). The intermediate unit (4) switches each of a plurality of use-side heat exchangers to individually function as an evaporator or a ra...

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Bibliographische Detailangaben
Hauptverfasser: YOSHIMI, Atsushi, IWATA, Ikuhiro, MIYAZAKI, Takeru, YAMADA, Takuro, KUMAKURA, Eiji
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:An air conditioner (1) includes a heat-source-side unit (2), a plurality of use-side units (3a, 3b, 3c, 3d), an intermediate unit (4), and two connection pipes (5, 6). The intermediate unit (4) switches each of a plurality of use-side heat exchangers to individually function as an evaporator or a radiator of a refrigerant. The two connection pipes (5, 6) connect the heat-source-side unit (2) and the intermediate unit (4). The intermediate unit (4) has an ejector (41) and a gas-liquid separator (42). The ejector (41) pressurizes the refrigerant evaporated in the evaporator by using a driving flow. The refrigerant flowing out from the ejector (41) flows into the gas-liquid separator (42). The ejector (41) functions in a cooling-heating mixed operation mainly for cooling in which a sum of cooling operation loads of the plurality of use-side units (3a, 3b, 3c, 3d) is greater than a sum of heating operation loads of the plurality of use-side units (3a, 3b, 3c, 3d).