Controller for air conditioning or heating system

Details Controller for air conditioning or heating system Controller for air conditioning or heating system

1981-09-11

1984-02-28

Wayner, William E.

Automatic temperature and humidity regulation

High and low temperature alternate

165 11R, G05D 2300

Patent

active

044338090

ABSTRACT:
A control circuit is disclosed for controlling an air conditioning and/or heating system in a region comprising a first circuit for establishing electrical signals corresponding to an upper and lower temperature of a first temperature range. A second circuit is provided for establishing electrical signals corresponding to an upper and lower temperature of a second temperature range. A presence sensor is provided for detecting the presence of a person inhabitating the region. A logic circuit is connected to the aforementioned circuit for controlling the system in accordance with a first temperature range when a person is inhabiting the region and for controlling the system in accordance with the second temperature range when the region is void of inhabitation by a person.

REFERENCES:
patent: 3796892 (1974-03-01), Stewart
patent: 4038061 (1977-07-01), Anderson et al.
patent: 4060123 (1977-11-01), Hoffman et al.
patent: 4294404 (1981-10-01), Gajjar

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