AIR CONDITIONER

PROBLEM TO BE SOLVED: To remove frost stacked on an outdoor heat exchanger without impairing comfortableness when nearly all or all indoor units of a cooling and heating free multitype system air conditioner are heated. SOLUTION: Hot heat is stored in a heat storage material by closing a low-pressur...

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Bibliographische Detailangaben
Hauptverfasser:	SHIMODA JUNICHI, NAGAYOSHI KATSUNORI
Format:	Patent
Sprache:	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:	PROBLEM TO BE SOLVED: To remove frost stacked on an outdoor heat exchanger without impairing comfortableness when nearly all or all indoor units of a cooling and heating free multitype system air conditioner are heated. SOLUTION: Hot heat is stored in a heat storage material by closing a low-pressure gas opening/closing valve SV2d in the opened state of the high-pressure gas opening/closing valve SV1d of the refrigerant circuit 60 of the air conditioner 6. When indoor units 67a, 67b, and 67c are heated, the high-pressure opening/closing valve SV1d is closed and the low-pressure gas opening/closing valve SV2d is opened, an outdoor heat exchanger 612 is operated as a condensing load by using the hot heat of the heat storage material. Thus, the frost stacked in the outdoor heat exchanger 612 can be removed while maintaining the indoor units 67a, 67b, and 67c in a heated state. COPYRIGHT: (C)2006,JPO&NCIPI