Options/Installation
CONNECTION FLEXIBILITY
TRANSITION DUCT CONNECTIONS When duct connections are not the same shape or size as the damper, optional factory transitions include:
ROUND
OVAL
SQUARE
FLANGE CONNECTION
FLANGE DUCT CONNECTION
SINGLE SIDE MOUNTING ANGLES A Pottorff innovation, this labor saving system requires mounting angles on only one side of the partition. ¢ UL 555 tested for vertical and horizontal dampers ¢ Installs in masonry, wood stud and metal stud walls ¢ Can be concealed underneath the drywall on metal stud walls
OUT-OF-PARTITION INSTALLATION
SINGLE SIDE MOUNTING ANGLES
WOOD TRUSS RATED CEILING RADIATION DAMPER INSTALLATION OPTIONS
INSTALLATION OPTIONS When the CFD-521, CFD-521-IP and CFD-521-NP dampers are configured to close within 1/8" of the gypsum board used in wood truss floor/ceiling and roof/ceiling assemblies, duct connections can now be made on the top of the damper, or on any combination of sides.
The plenum height can now be extended to allow duct connections in roof/ceiling assemblies with increased insulation to adhere to new, more stringent energy guidelines.
Boot rails can be used to mount the damper to the rated assembly.
UL I503 – INSTALLATION
HORIZONTAL MOUNT DAMPERS IN NON-CONCRETE BARRIERS FOR FIRE AND COMBINATION FIRE/SMOKE DAMPERS
Single layer of 5 ⁄ 8 " Gypsum Board
With this installation, design professionals now have: ¢ Increased flexibility ¢ More usable space ¢ Reduced installation time
Two layers of 5 ⁄ 8 " Gypsum Board
Back to back steel joists
Pottorff offers Fire and Combination Fire/Smoke Dampers that are UL approved for horizontal installations at the top or bottom of gypsum and steel stud shafts.
Steel channel overlapping the joist
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