Heating and cooling thermostat with changeover switching operate

Details Heating and cooling thermostat with changeover switching operate Heating and cooling thermostat with changeover switching operate

1976-08-05

1978-03-14

Wayner, William E.

Heat exchange

Movable heating or cooling surface

Rotary drum

236 1C, 337340, H01H 3772, F25B 2900

Patent

active

040786013

ABSTRACT:
A thermostat adapted for controlling heating and cooling apparatuses has a temperature control point adjustment means connected to a changeover switch means whereby upon the adjustment of the temperature control point adjustment means in a first range to select a cooling point, the changeover switch means only connects the thermostat to the cooling apparatus and when the temperature control point adjustment means is in the heating range, the changeover switch means only connects the thermostat to the heating apparatus. The limited range of temperature selection in the first and second range is an energy conservation feature of the thermostat.

REFERENCES:
patent: RE28676 (1976-01-01), Edelman et al.
patent: 2403798 (1946-07-01), Holmes
patent: 2729719 (1956-01-01), Kronmiller
patent: 3046375 (1962-07-01), Houser
Honeywell Thermostats, T87F Residential Div. Form # 60-2222-1, Rev. 7-75.

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