Electronic control arrangement for system powered HVAC terminal units
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United States of America Patent
Stats
-
Feb 19, 1985
Grant Date -
N/A
app pub date -
Sep 30, 1982
filing date -
Sep 30, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The desirable features of self powered air distribution terminals and electronic controls are combined by providing an interface between the electronic controls and one or more self powered terminal units in an air distribution system. The electronic controls monitor temperatures and other conditions and provide electric signals each having a voltage which represents the difference between the sensed condition and a set condition entered into the system microprocessor. The interface may be an electro-pneumatic transducer or a set of solenoid valves. The interface responds to the electric signals by applying proportional pressure signals to one or more terminal units. The flow of conditioned air into the area or areas served by the system is then adjusted to conform the actual conditions with the set conditions.
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