Environmental control system with humidity control and method
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United States of America Patent
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Apr 21, 1987
Grant Date -
N/A
app pub date -
Apr 4, 1985
filing date -
Apr 4, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An environmental control system has a controller (10) which causes heating apparatus (12A) or ventilation apparatus (12B) to operate through thermostatic dead zone temperature ranges, in response to excessive relative humidity. In the event the heating apparatus (12A) is actuated in response to falling temperatures, ventilation, previously called for by excess humidity, is terminated to prevent inefficiency due to concurrent heating and ventilating. After fresh air of relative lower humidity is introduced by ventilation, the fresh air is heated to further reduce the relative humidity.
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