Air-conditioning device and method for installing air-conditioning device

An air-conditioning device comprising an outdoor unit, which is provided with a compressor for circulating a refrigerant in a refrigerant circuit, and an outdoor heat exchanger through which the refrigerant flows, a first indoor unit, which is provided with a first indoor heat exchanger through whic...

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Bibliographische Detailangaben
Hauptverfasser:	Yuji Motomura, Hiroaki Asanuma
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	An air-conditioning device comprising an outdoor unit, which is provided with a compressor for circulating a refrigerant in a refrigerant circuit, and an outdoor heat exchanger through which the refrigerant flows, a first indoor unit, which is provided with a first indoor heat exchanger through which the refrigerant flows, a relay device, which is provided with a relay heat exchanger for exchanging heat between the refrigerant and a heat medium different from the refrigerant, and a pump for circulating the heat medium in a heat medium circuit, and a second indoor unit, which is provided with a second indoor heat exchanger through which the heat medium flows, wherein the first indoor unit is installed in a first air-conditioned space, the second indoor unit is installed in a second air-conditioned space, the first air-conditioned space has such a volume that even when the total amount of refrigerant sealed in the refrigerant circuit leaks into the first air-conditioned space, the concentration of the refrigerant in the first air-conditioned space is less than a reference value, and the volume of the second air-conditioned space is less than the volume of the first air-conditioned space.