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Title: Control of heating and cooling available from central sources to a multi-zone temperature controlled space

Abstract: Incremental heating and cooling sources are energized and deenergized as required to meet the maximum heating and cooling demands of any of the zones in a temperature controlled space. Common references and comparators are employed for both heating and cooling controls.


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Inventors: Zimmer, Darrel E. (North Park, IL, US)
Brace, Paul H. (Rockford, IL, US)

Application Number: 470567
Filing Date: 1974-05-16
Publication_date: 1976-01-20
Assignee: Barber-Colman Company (Rockford, IL)
Primary Class(es): 165/216 165/251, 165/260, 236/46R
Other Classes:
US Patent Ref:
3724534Apr, 1973Weatherston165/22.
3785432Jan, 1974Kabat et al.165/22.

Other Refs:
Primary Examiner: Davis, Jr., Albert W.
Assistant Examiner: Liles, James D.
Attorney: Koch; A. Richard