AIR-CONDITIONING DEVICE

AIR-CONDITIONING DEVICE

To provide an air-conditioning device that, among indoor units connected to the same refrigerant system, enables recognition of the state of another indoor unit and can prevent reduction of the comfort of users.When a refrigerant leakage sensor 40 detects refrigerant leakage of an indoor unit 20, a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MATSUI, Masaru, HASHIMOTO, Shunichi, HIROTA, Masanobu, SHIGETA, Akihiro, KAWABATA, Ryuji
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING
BLASTING
COMBINED HEATING AND REFRIGERATION SYSTEMS
HEAT PUMP SYSTEMS
HEATING
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
RANGES
REFRIGERATION MACHINES, PLANTS OR SYSTEMS
REFRIGERATION OR COOLING
VENTILATING
WEAPONS
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Beschreibung
Zusammenfassung:To provide an air-conditioning device that, among indoor units connected to the same refrigerant system, enables recognition of the state of another indoor unit and can prevent reduction of the comfort of users.When a refrigerant leakage sensor 40 detects refrigerant leakage of an indoor unit 20, a centralized controller 50 controls an opening/closing device located upstream of the indoor unit 20 to be closed. When the opening/closing device located upstream of the indoor unit 20 is in a closed state and the refrigerant leakage sensor 40 of the indoor unit 20 detects a refrigerant, the centralized controller 50 controls the indoor unit 20 to a refrigerant leakage state in which a cooling operation or a heating operation is stopped. When the opening/closing device located upstream of the indoor unit 20 is in a closed state and the refrigerant leakage sensor 40 of the indoor unit 20 detects no refrigerant, the centralized controller 50 controls the indoor unit 20 to a limited operation state in which the indoor unit 20 performs a fan operation or stops operation.