POTTORFF
®
5101 Blue Mound Road, Fort Worth, Texas 76106
www.pottorff.com
Fire
Smoke
Dampers
IIFSD125R2
(2/2)
November
2012
1
1
/
2
hour — combination fire smoke dampers
installation instructions
The following installation details apply to model
FSD-125R
DESCRIPTION
A - FSD-125R Combination Fire Smoke Damper.
B - Holding Plate, 20 ga.
(1)
steel.
(Dual Side Plate Shown, Single Side Plate Similar)
C - Guide Plate, 20 ga.
(1)
steel. (For Dual Sided Plates Only)
D - Joiner Clip, 20 ga.
(1)
, steel, typical both sides.
(For Dual Sided Plates Only)
E - Rated Partition. (steel stud, wood stud or masonry)
F -
1
/
8
"
(3)
Dia. Steel Pop Rivet, or #10
(M5) x
1
/
2
"
(13)
Sheet Metal Screw. (For Dual Sided Plates Only)
Dual Side Mounting Plates
B
D
A
F
E
C
* Note: If wood, opening must be lined with drywall
1/2”
(13)
1/2”
(13)
1/8”
(3)
1-1/2”
(38)
1-1/2”
(38)
3/4”
(19)
DAMPER
SLEEVE
HOLDING
PLATE
RATED
PARTITION
GUIDE
PLATE
FASTENER
CLIP ANGLE
CUT
D1 = DAMPER DIA. FOR
GUIDE PLATE
D2 = DAMPER DIA. - 3/8”
(10)
FOR HOLDING PLATE
DAMPER DIA. + 3”
(76)
MIN.
1-1/2”
(38)
MIN.
DAMPER DIA. + 3
”
(76)
MIN.
D1
D2
Figure 4 (Square Openings)
Guide Plate & Holding Plate Detail
Figure 3
Joiner Clip - 20 GA. (1) Galv. Steel
Figure 5
Dual Side Mounting Plate Partition Detail
D1 = DAMPER DIA. FOR
GUIDE PLATE
D2 = DAMPER DIA. - 3/8”
(10)
FOR HOLDING PLATE
DAMPER DIA. + 3”
(76)
MIN.
1-1/2”
(38)
DAMPER DIA. + 3”
D1
D2
CUT
MIN.
(76)
MIN.
Figure 4A (Round Openings)
Guide Plate & Holding Plate Detail
DAMPER DIA. + 3”
(76)
MIN.
DAMPER DIA. + 3”
(76)
MIN.
1-1/2”
(38)
MIN.
D1 = DAMPER DIA. IF MOUNTING
PLATE IS NOT PLACED IN GROOVE
D2 = DAMPER DIA. - 3/8”
(10)
IF MOUNTING PLATE IS PLACED
IN GROOVE.
D1
D2
CLAMPING BOLT
HOLDING PLATE
NUT
OPEN
VIEW
CLAMPING
BRACKET
3/16” (5) DIAMETER RIVET
SINGLE SIDE
MOUNTING PLATE
DAMPER
SLEEVE
CLAMPING
BOLT
CLAMPING
BRACKET
RATED
PARTITION
(STEEL STUD,
OR MASONRY)
Single Side Mounting Plate
Figure 6 - Mounting Plate
Figure 6A - Mounting Plate
AXLE
AXLE
15
O
AXLE
15
O
Normal
15
o
Off Horizontal (Maximum)
15
o
Off Horizontal (Maximum)
Blade Orientation
Figure 6B
Single Side Mounting Plate Partition Detail
