Controller for air conditioning units, heating units and the lik

Details Controller for air conditioning units, heating units and the lik Controller for air conditioning units, heating units and the lik

1980-05-08

1982-06-08

Wayner, William E.

Heat exchange

With alarm, indicator, signal, register, recorder, test or...

Remotely controlled inspection means

165 27, 236 46F, F25B 2900, F23N 520

Patent

active

043335195

ABSTRACT:
A controller (10) for air conditioning units, heating units, and the like is disclosed. The controller (10) regulates the activation and deactivation of an energy consuming component of the unit, such as a compressor (12) or heating coil (14). The controller (10) includes a switch means (42, 66) operatively connected to the component and its energy source, the switch means (42, 66) being operable in a first mode wherein it interrupts the connection between the energy source and the component, a second mode wherein the connection between the energy source and the component is uninterrupted by the switch means (42, 66). The controller also includes control means (20, 54) operatively connected to the switch means (42, 66) for (a) operating the switch means (42, 66) in one mode when the space temperature exceeds a first predetermined temperature, (b) operating the switch means (42, 66) in the other mode when the space temperature is less than a second predetermined temperature and (c) cycling the switch means (42, 66) between its first and second modes according to a predetermined duty cycle when the space temperature is between the first and second predetermined temperatures.

REFERENCES:
patent: 3443121 (1969-05-01), Weisbrod
patent: 3541429 (1970-11-01), Martin
patent: 3599864 (1971-08-01), Liddle
patent: 3768545 (1973-10-01), Wills

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