Control system for environmental units

Details Control system for environmental units Control system for environmental units

1980-07-29

1982-02-02

Wayner, William E.

Automatic temperature and humidity regulation

With timing element

Timer other than clock

165 16, 165 22, F23N 520, F25B 2900

Patent

active

043135609

ABSTRACT:
A control system (12) for environmental units (10) such as air conditioners or heaters is disclosed.
A control panel (14) accommodates a control module (16) associated with each unit. First and second temperature reference circuits (58 and 60) are located in each module for setting first and second reference temperatures. A circuit (64) responsive to a clock (62) selects the first reference temperature during a first predetermined time period and the second reference temperature during a second predetermined time period. Each unit is thermostatically controlled according to the selected reference temperature.

REFERENCES:
patent: 3633820 (1972-01-01), Weissohn
patent: 4077566 (1978-03-01), Bradford

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