Methods of controlling fan capacity and coil capacity in HVAC systems

A method for regulating a discharge fan and a coil of a heating, ventilation, and air conditioning ("HVAC") system includes maintaining a discharge fan capacity at a low fan capacity setting and varying a coil discharge air temperature between a low discharge air temperature limit and a hi...

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Bibliographische Detailangaben
Hauptverfasser:	Zhou John, Clanin Thomas J
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A method for regulating a discharge fan and a coil of a heating, ventilation, and air conditioning ("HVAC") system includes maintaining a discharge fan capacity at a low fan capacity setting and varying a coil discharge air temperature between a low discharge air temperature limit and a high discharge air temperature limit. The method also includes, when the coil discharge air temperature reaches the low discharge air temperature limit, varying a fan speed of the variable speed discharge fan between a low fan speed setting and a high fan speed setting so as to maintain a space temperature at a space temperature setpoint set for a space, while maintaining the coil discharge air temperature at the low discharge air temperature limit.