METHOD FOR CONTROLLING OPERATION OF AIR CONDITIONER

PURPOSE:To prevent formation of frost in an outdoor unit by a method wherein, when the outdoor temperature is within a specified range and the operating frequency of the compressor is above a specified value, the air volume of the outdoor unit is increased over the air volume before the specified co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FUKUI SEIJI, NAKASUMI EIJI, UNITA HIROYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To prevent formation of frost in an outdoor unit by a method wherein, when the outdoor temperature is within a specified range and the operating frequency of the compressor is above a specified value, the air volume of the outdoor unit is increased over the air volume before the specified conditions have been reached. CONSTITUTION:An indoor unit is provided with a suction temperature sensor 3 for sensing the indoor temperature and an indoor fan motor for controlling the air volume of the indoor unit. An outdoor unit is provided with an outdoor air temperature sensor 6 for sensing the temperature of the outdoor air, an outdoor fan motor 11 for controlling the air volume of the outdoor unit, a discharge temperature sensor 10 at the compressor 8, and an inverter 9 for controlling the operating frequency of the compressor 8. When the indoor temperature is within a specified range and the outdoor air temperature is within a specified range and the operating frequency of the compressor 8 is above a specified value, formation of frost in the outdoor unit is prevented by increasing the air volume of the outdoor unit over the air volume before the specified conditions have been reached.