United Enertech FD-R Installation Instructions

OPTION 1: ANGLES 2 SIDES
Typical wood, metal stud or masonry opening.
(Refer to Metal or Wood Stud Framing For
Fire Dampers In Drywall Partitions)
All dimensions in inches
A and B = Damper Dia.
plus 3" (76 mm)
Cut (Cover with
Retaining Plate Detail
NOTE:CAUTION HEAVY SPRING
USED TO LOAD SPRING/LINK
ACTUATOR USE CARE IN
RESETTING LINK.
When UL is referred to in this document, it represents UL/ULC
1. 18 gauge galvanized steel integral sleeve shall
be of the SAME GAUGE or heavier as the duct
to which it is attached. Gauges shall conform to
SMACNA or ASHRAE duct standards. The length
of the sleeve extending beyond the wall
opening shall not exceed 16" (406 mm) on the operator side or 6" (152 mm)
on the opposite side.
2.The connecting duct shall terminate at the integral sleeve and is connect-
ed by using either:
(a) a minimum of 3 - #10 sheet metal screws spaced equidistant
around the sleeve for 22" and smaller duct.
(b) a minimum of 5 - #10 sheet metal screws spaced equisdistant
around the sleeve for greater than 22" duct.
(c) a 4" (101mm) drawband.
3.Clearance between the damper sleeve and the round or square wall open-
ing shall be a minimum of 1/2" (13 mm) and a maximum of 1" (25 mm).
4.Damper will be factory supplied with one retaining plate secured to the
damper sleeve on the operator side of the damper.
5. A minimum of 4 equally spaced 20 gauge galvanized steel clip angles
shall be attached to both the integral sleeve and the retaining plate. The
clip angles shall be attached with 1/8" (3.2mm) rivets, #10 x 1/2" (12.7mm)
sheet metal screws, bolts or welds. In metal stud/gypsum applications, the
retaining plate may be in front of or behind the gypsum, directly against the
metal studs.
6. Option 1: The damper may be installed in a wood/gypsum, steel
stud/gypsum, or masonry fire partitition in the vertical or horizontal position
(blade shaft running horizontal) with a retaining plate flush against each side
of the fire partition. Installation: with the factory installed retaining plate
flush to the fire partition, place another retaining plate on the opposite side
of the damper sleeve and slide it forward until it becomes flush with the op-
posite side of the partition. Place the Splice Clip over the cut portion of the
retaining plate. Secure it with 4 - #10 sheet metal screws or rivets. Secure
the clip angles to the retaining plate and damper sleeve as illustrated.
UL APPROVED WALL
Splice Clip)
OR FLOOR DESIGN
D
2 + 1-1/2"
(38 mm)
IMPORTANT
Do Not Cast Damper In Place
Cycle Damper After Installation To Insure Free Movement
Do Not Install Damper Out Of Round
MODEL
OPTION 1
(ENGINEERS)
SUBMITTAL DATA
FD-R AND FDD-R
FIRE DAMPER
Installation Instructions
Splice Clip Detail
PAGE 1 of 2
A-37
Rev.7