Thermostat

Details Thermostat Thermostat

1978-06-26

1980-11-04

Wayner, William E.

Automatic temperature and humidity regulation

High and low temperature alternate

236 87, 337335, G05D 2300

Patent

active

042315123

ABSTRACT:
An improved thermostat having two modes of operation selected by a pressure signal from a central source, which includes a separate set point for each mode of operation. Each set point has a scale which is clearly visible without removal of any parts of the thermostat. Each set point is also adjustable either by an adjuster that can be operated by occupants or only by authorized personnel having a tool fitting the opening in the set point adjustor. Adjustors can be provided with restrictors which limit set point adjustment to a predetermined range of temperatures and which can be adjustable by authorized personnel, or can be factory set.

REFERENCES:
patent: 3212710 (1965-10-01), Nilles
patent: 3305172 (1967-02-01), Duchek et al.
patent: 3813034 (1974-05-01), Lewis et al.
Control Systems Division Bulletin, CSD-90, Duchek et al., 6/24/77.

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