Air conditioner with two injection circuits and method of controlling the air conditioner

An air conditioner and a method for controlling an air conditioner are provided that inject a refrigerant into a compressor to perform a defrosting operation. The air conditioner may include a compressor; an outdoor heat exchanger; an indoor heat exchanger; a first injection module that injects a re...

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Bibliographische Detailangaben
Hauptverfasser:	Ko, Younghwan, Kim, Byeongsu, Kim, Beomchan
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING REFRIGERATORS WEAPONS
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Beschreibung
Zusammenfassung:	An air conditioner and a method for controlling an air conditioner are provided that inject a refrigerant into a compressor to perform a defrosting operation. The air conditioner may include a compressor; an outdoor heat exchanger; an indoor heat exchanger; a first injection module that injects a refrigerant flowing from the indoor heat exchanger to the outdoor heat exchanger into the compressor during a heating operation and that does not inject a refrigerant flowing from the outdoor heat exchanger to the indoor heat exchanger into the compressor during a defrosting operation; and a second injection module that injects a refrigerant flowing from the indoor heat exchanger to the outdoor heat exchanger into the compressor during the heating operation and that injects a refrigerant flowing from the outdoor heat exchanger to the indoor heat exchanger into the compressor during the defrosting operation.