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Flex duct installation for ceiling neutralization
Position the flex-duct case under the ceiling tile in
which it will be installed and open the case. There
must be minimal obstructions to airflow above and
around the ceiling tile selected.
. Hook the cuff under the lower foot of the blower
and over the nylon block on top of the blower
flange.
2000 Fire Door-Fan Manual
Insert the flex-duct into the T-bar ceiling
framework. The square sheet goes in next.
Secure the Velcro cinch strap on the flex-duct
blower cuff.
updated 2002-05-28
Page 35 of 58
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