Apparatus for controlling unit ventilators

Details Apparatus for controlling unit ventilators Apparatus for controlling unit ventilators

1993-04-14

1994-06-28

Wayner, William E.

Automatic temperature and humidity regulation

Heating radiator

Air control

165 39, 236 84, F24F 1104

Patent

active

053239610

ABSTRACT:
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.

REFERENCES:
patent: 2727691 (1955-12-01), Alyea et al.
patent: 3220649 (1965-11-01), Story
patent: 4328926 (1982-05-01), Hall, Jr.
patent: 4356705 (1982-11-01), Sutoh et al.
patent: 4500034 (1985-02-01), Reese et al.
patent: 4649709 (1987-03-01), Kagohata et al.

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