Apparatus for controlling unit ventilators

A controller for unit ventilators which include processing means having associated memory that enables control schemes to be used. The controller is modular and compact in its construction, is easily installed in existing unit ventilators and provides not only the controlled pneumatic pressure in th...

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Bibliographische Detailangaben
1. Verfasser:	DARRYL G. HURMI
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING CONTROLLING HEATING LIGHTING MECHANICAL ENGINEERING PHYSICS RANGES REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A controller for unit ventilators which include processing means having associated memory that enables control schemes to be used. The controller is modular and compact in its construction, is easily installed in existing unit ventilators and provides not only the controlled pneumatic pressure in the output lines for the controller, but also provides electrical control signals for controlling the operation of the fan. The controller is adapted to control unit ventilators having auxiliary radiation and is also adapted to control ASHRAE cycle 3 type installations.