Economizer control apparatus

Refrigeration – Processes – Circulating external gas

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Details

62180, 165 16, F25B 2900

Patent

active

045704481

ABSTRACT:
A control system and method for space temperature regulating equipment are disclosed in which mechanical cooling equipment is controlled as a function of sensed space temperature and a first temperature set point; and an economizer for admitting low enthalpy outside air is controlled as a function of sensed space temperature and a second temperature set point independent of the first temperature set point.

REFERENCES:
patent: 2309411 (1943-01-01), Miller et al.
patent: 4147038 (1979-04-01), Hoebing et al.
patent: 4347712 (1982-09-01), Benton et al.
patent: 4379484 (1983-04-01), Lom et al.

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