Carnes EJAA User Manual
CARNES COMPANY 448 S. Main St., P. O. Box 930040, Verona, WI 53593-0040 Phone: (608)845-6411 Fax: (608)845-6504 www.carnes.com
COPYRIGHT © 2012 CARNES COMPANY
ALL RIGHTS RESERVED
40046, pg 1
SPECIFICATION SHEET
Type C Curtain Fire Damper w/Integral Sleeve
Model EJAA - Dynamic
Tag Qty.
Size
Variations
Width Height
Project Location
Arch./Engr. Contractor
Representative Date
t Application and Design
The Model EJAA is UL Classified for installation in walls,
floors and partitions with a fire rating of less than 3 hours. This
damper may be installed vertically or horizontally in dynamic
HVAC systems that continue to run in the event of fire. Also
approved for static systems. (See optional 3 hour rating.)
Standard Construction:
Frame: 12” roll formed type C frame, galvanized steel,
integral sleeve
Blades: low profile roll formed, galvanized steel,
100% free area
Closure Springs: stainless steel constant force coil
Fusible Link - UL-33: UL listed 165°F (standard),
212°F (optional)
Model EJAA meets or complies with the following as a fire damper:
All major building codes, including IBC/ICC International Code
UL 555 Listing 1-1/2 and 3 hour - File #R26359
ULC S112
NFPA 90A, 80
Note: Dampers are furnished approx. 1/4” undersized as given duct
dimensions, unless otherwise noted.
Options:
Retaining Angles
One Side Both Sides
3 Hour Rating
Mounting
Horizontal Vertical
2-3/16”
(56mm)
Opening = nominal size
Galv. steel
interlocking
blades
Fusible link
(replaceable)
165°F standard
Galv. steel
frame
20 ga. galv. steel
sleeve
12” (304mm) long
standard
12” (305mm) standard
*14” (356mm) & 16” (406mm)
available in model EJBA
Standard Sizes (duct) 1-1/2 & 3 Hour
Transition Min. V or H Max. Vertical Size Max. Horizontal Size
Rectangular
or Oval
5”W x 3”H
(127mm x 76mm)
*71”W x 32”H or *32”W x 71”H
(1803mm x 813mm) (813mm x 1803mm)
*35”W x 32”H
(889mm x 813mm)
Round 4” (102mm) 31” (787mm) 20” (508mm)
Round
(Low Profile)4”(102mm)
33”
(838mm)
22”
(559mm)
*See chart for overall sizes
Round,
rectangular,
or oval
transition
D*
D+2” (51)
Round Low
Profile
W*
1”
W+1” (25)
H*
Oval
X
W*
1”
W+1” (25)
H*
Std. Round
X
D*
D+1” (25)
D+2” (51)
1”
Sq. or Rect.
1-1/4”
(32mm)
40046, pg 2
Model EJAA - Type C Curtain Fire Damper w/Integral Sleeve
FIRE DAMPER SIZE CHART
W = width (duct)
H = height (duct)
X = variable (see size chart)
W
X
1-1/4”
(32mm)
Round
D
D+1”
X
Rectangular
W+1” (25mm)
H
Dimension D or H
“X” Dimension
(Actual Size)
Inches Inches
36
47
58
69
710
811
912
10 13
11 14
12 15
13 16
14 17
15 18
16 19
17 20
18 21
19 22
20 23
21 25
22 26
23 27
24 28
25 29
26 30
27 31
28 32
29 33
30 34
31 35
D
D+2”
D+2” (51mm)
Low Profile Round
Oval
W+1”
W
X
H
1”
X = damper height
1”
(25mm)
1”
(25mm)
1”
(25mm)
1-1/4”
(32mm)
1-1/4”
(32mm)
1-1/4”
(32mm)
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