Carnes ECAA 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
40048, pg 1
SPECIFICATION SHEET
Type C Curtain Fire Damper w/Integral Sleeve
Model ECAA - Static
Tag Qty.
Size
Variations
Width Height
Project Location
Arch./Engr. Contractor
Representative Date
t Application and Design
The Model ECAA 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
static HVAC systems that automatically shut down in the
event of fire. (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 (horizontal models only): stainless steel
constant force coil
Fusible Link - UL-33: UL listed 165°F (standard),
212°F (optional)
Model ECAA 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.
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” (305mm) 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
4”W x 3”H
(102mm x 76mm)
*47”W x 43”H
(1194mm x 1092mm)
*39”W x 35”H
(991mm x 889mm)
Round 3” (76mm) 43” (1092mm) 35” (889mm)
*See chart for overall sizes
Round,
rectangular,
or oval
transition
D*
1”
D+1” (25)
X
Round
W*
1”
W+1” (25)
H*
Oval
X
W*
1”
W+1” (25)
H*
Rectangular
X
D*
D+2” (51)
Round Low Profile
D+2” (51)
1-1/4”
(32mm)
Options:
Retaining Angles
One Side Both Sides
3 Hour Rating
Taped & Sealed Transition for Med. Pressure System
Caulked & Sealed Damper Frame
40048, pg 2
Model ECAA - Type C Curtain Fire Damper w/Integral Sleeve
FIRE DAMPER SIZE CHART
D and H
Dimensions
Std. Round, Rect., Oval
“X” Dimensions
(Actual Size)
Inches Inches
3 6
4 7
5 8
6 9
7 10
8 11
9 12
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
32 36
33 38
34 39
35 40
36 41
37 42
38 43
39 44
40 45
41 46
42 47
43 48
44 49
45 50
46 51
D
1”
D+1” (25)
X
Std. Round
W
1”
W+1” (25)
X
Sq. or rect.
H
W
1”
W+1” (25)
X
Oval
H
D
D+2” (51)
Round Low Profile
D+2” (51)
X = damper height
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