38 UV-PRC001-EN
Application
Considerations
Dynamic Air Barrier Unit
The dynamic air barrier unit is tra-
ditionally applied in cold climates.
The dynamic air barrier unit pull
the cold drafts from the windows
through the shelving (by Trane) to
be intercepted at both ends of the
unit ventilator. The unit ventilator
then draws the falling draft in as
return-air to be circulated into the
standard cycle.
When selecting the dynamic air
barrier option, the face and bypass
coil control is not available be-
cause of space limitations of the
unit when applying the face and
bypass damper.
The dynamic air barrier’s return-
air design does not include a
damper in the unit ventilator’s up-
per opening. This option only per-
mits a free return-air
design through the back of
the unit ventilator.
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