HEAT EXCHANGE UNIT

HEAT EXCHANGE UNIT

Provided is a heat exchange unit in which it is difficult for a refrigerant to reach an electrical component unit even when using a flammable refrigerant. According to the present invention, an outdoor unit (20) constituting a portion of an air conditioning device (1) and connected to an indoor unit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ABE, Takeo, YOTSUMOTO, Yuuki, ITANO, Mitsushi, TAKAKUWA, Tatsuya, TAKAHASHI, Kazuhiro, OHKUBO, Shun, KOMATSU, Yuzo, TODA, Yumi, TSUDA, Tetsushi, KARUBE, Daisuke
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
BLASTING
CHEMISTRY
COMBINED HEATING AND REFRIGERATION SYSTEMS
DYES
HEAT PUMP SYSTEMS
HEATING
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
MECHANICAL ENGINEERING
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
REFRIGERATION MACHINES, PLANTS OR SYSTEMS
REFRIGERATION OR COOLING
WEAPONS
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Beschreibung
Zusammenfassung:Provided is a heat exchange unit in which it is difficult for a refrigerant to reach an electrical component unit even when using a flammable refrigerant. According to the present invention, an outdoor unit (20) constituting a portion of an air conditioning device (1) and connected to an indoor unit (30) through a liquid-side refrigerant communication pipe (6) and a gas-side refrigerant communication pipe (5) is provided with: an outdoor housing (50); an outdoor heat exchanger (23) installed inside the outdoor housing (50) and having a refrigerant flowing therein; a liquid-side closing valve (29) connected to the liquid-side refrigerant communication pipe (6); a gas-side closing valve (28) connected to the gas-side refrigerant communication pipe (5); and an outdoor electrical component unit (8) provided inside the outdoor housing (50), wherein the refrigerant is a flammable refrigerant containing at least 1,2-difluoroethylene, and the outdoor electrical component unit (8) is installed such that the lower end thereof is positioned higher than the liquid-side closing valve (19) and the gas-side closing valve (28).