Air conditioning control system and method

Automatic temperature and humidity regulation – Miscellaneous – Burner controls with automatic cutoff

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Details

236 47, 236 91, G05D 2324, F24F 1108

Patent

active

039306119

ABSTRACT:
A multiple zone air conditioning control system is disclosed in which air temperatures in respective individual zones are governed according to signals derived from sensed air temperatures in the respective zones and sensed temperature of air discharged to the respective zones.
A zone set back unit is employed for setting back the air temperatures in all or any individual ones of the zones. The set back unit superimposes a set back signal on the temperature signals from the set back zones to effect a reduction of the air temperature in those zones as well as to prevent the sensed temperatures of air discharged to those zones from affecting the set back signal. The maintenance of air temperatures in zones which are not set back is unaffected by operation of the set back unit.

REFERENCES:
patent: 2196170 (1940-04-01), Nessell
patent: 2236624 (1941-04-01), Littwin
patent: 2265512 (1941-12-01), Brown et al.
patent: 2719672 (1955-10-01), Jenkins
patent: 3038663 (1962-06-01), Flores

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