Vapor-injected multi-connected air conditioning system

The invention discloses a vapor-injected multi-connected air conditioning system. The system comprises an indoor unit, an outdoor unit, a distribution pipe, and a throttle device, wherein the outdoor unit is provided with a first electronic expansion valve capable of changing the operating state of...

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Bibliographische Detailangaben
Hauptverfasser:	GENG HAIBING, LI HU, JIANG MAOCAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a vapor-injected multi-connected air conditioning system. The system comprises an indoor unit, an outdoor unit, a distribution pipe, and a throttle device, wherein the outdoor unit is provided with a first electronic expansion valve capable of changing the operating state of coolant, the indoor unit is connected with the outdoor unit through the distribution pipe and the throttle device disposed on the distribution pipe of the indoor unit is used for changing the operating state of the coolant. Under the refrigerating condition, the first electronic expansion valve is fully open, while the operating state of the coolant is unchanged. The operational reliability of the vapor-injected multi-connected air conditioning system can be improved.