CARNES EFOA Installation, Operation And Maintenance Instructions

FORM 40003
INSTALLATION, OPERATING AND MAINTENANCE INSTRUCTIONS
CARNES COMPANY 448 S. Main St., P. O. Box 930040, Verona, WI 53593-0040
CAUTION!
MANUAL HAS BEEN READ AND UNDERSTOOD. READ AND SAVE THESE INSTRUCTIONS FOR FUTURE USE.
OPTION 1: ANGLES 2 SIDES
8
6A
Typical wood, metal stud, or masonry opening.
(Refer to metal or wood stud framing for
fire dampers in drywall partitions.)
1" Min. Typ.
(25mm)
OPTION 1
Auxiliary
Operating
Jackshaft
4
5
Cross section of opening.
OPTION 1
B All dimensions
in inches.
A and B = Damper
Dia. plus 3" (76mm)
A
D
B
2
Retaining Plate Detail
NOTE: CAUTION HEAVY SPRING
USED TO LOAD SPRING/LINK
ACTUATOR USE CARE IN
RESETTING LINK.
Models EFOA and EGOA Combination Fire/Smoke Dampers
DO NOT INSTALL, USE OR OPERATE THIS EQUIPMENT UNTIL THIS
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
4
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" (406mm) on the
operator side or 6" (152mm) on the opposite side.
2. The connecting duct shall terminate at the integral sleeve and is connected by using
1
either:
A. A minimum of three #10 sheet metal screws spaced equidistant around the sleeve
for 22" and smaller duct.
B. A minimum of five #10 sheet metal screws spaced equidistant 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 opening shall be
a minimum of 1/2" (13mm) and a maximum of 1" (25mm).
4. Damper will be factory supplied with one retaining plate secured to the damper sleeve
3
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" (3mm) rivets, #10 by 1/2" (13mm) 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.
6A. Option 1: The damper may be installed in a wood/gypsum, steel stud/gypsum, or
Blade
masonry fire partition in the vertical or horizontal position (blade shaft running
Shaft
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 opposite side of the partition. Place the Splice Clip over
the cut partition of the retaining plate. Secure it with four #10 sheet metal screws or
rivets. Secure the clip angles to the retaining plate and damper sleeve as illustrated.
Cut (Cover with
Splice Clip)
Clip
Angle
Damper
D
+ 1-1/2"
Sleeve
2
(38mm)
IMPORTANT
Do Not Cast Damper In Place.
Cycle Damper After Installation To Insure Free Movement.
Do Not Install Damper Out Of Round.
Phone: (608)845-6411
OPTION 1
UL APPROVED WALL
OR FLOOR DESIGN
Retaining
Plate
Fastener
Wall or Floor Detail
Fax: (608)845-6470
1-1/2"
(38mm)
1-1/2"
(38mm)
1-1/2"(38mm)
1-1/2"
Splice Clip Detail
(38mm)
Clip Angle Detail
20 Ga. (1) Galv. Steel
FORM 40003, page 1
www.carnes.com
Same length as
cut in damper/
retaining plates