Carnes ECBA 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
40047, pg 1
SPECIFICATION SHEET
Type C Curtain Fire Damper
Model ECBA - Static
Tag Qty.
Size
Variations
Width Height
Project Location
Arch./Engr. Contractor
Representative Date
t Application and Design
The Model ECBA 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: roll formed frame, galvanized steel
Blades: low profile roll formed, galvanized steel
Closure Springs
(horizontal models only): stainless steel
constant force coil
Fusible Link - UL-33: UL listed 165°F (standard),
212°F (optional)
Model ECBA 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 hour - File #R26359
ULC S112
NFPA 90A, 80
Note: Dampers are furnished approx. 1/4” undersized as given duct
dimensions, unless otherwise noted.
3-11/16”
(94mm)
Damper = nominal - 1/4” (6mm)
Galv. steel
interlocking
blades
Fusible link
(replaceable)
165°F standard
Galv. steel
frame
3/4”
(19mm)
Standard Sizes (duct) 3 Hour
Transition Min. V or H Max. Vertical Size Max. Horizontal Size
Rectangular
or Oval
4”W x 4”H
(102mm x 102mm)
*79”W x 35”H
(2007mm x 889mm)
*79”W x 35”H
(2007mm x 889mm)
Round 4” (102mm) 36” (914mm) 36” (914mm)
*May consist of multi-sections
Standard Sizes (duct) 1-1/2 Hour
Transition Min. V or H Max. Vertical Size Max. Horizontal Size
Rectangular
or Oval
3”W x 3”H
(76mm x 76mm)
*119”W x 114”H
(3023mm x 2896mm)
*119”W x 35”Hor*95”W x 42”H
(3023mm x 889mm) (2413mm x 1067mm)
Round 3” (76mm) 48” (1219mm) 42” (1067mm)
*May consist of multi-sections
See size chart
Options:
Factory Sleeve
Retaining Angles
One Side Both Sides
3 Hour Rating
Taped & Sealed Transition
for Medium Pressure System
Caulked & Sealed Damper Frame/Sleeve
Mounting
Horizontal Vertical
40047, pg 2
Model ECBA - Type C Curtain Fire Damper
FIRE DAMPER SIZE CHART
Duct Height Damper Height
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 37
33 38
34 39
35 40
36 41
37 42
38 43
39 44
40 45
41 46
42 47
43 49
44 50
45 51
46 52
47 53
48 54
49 55
50 56
51 57
52 58
53 59
54 60
55 59
56 60
57 61
58 62
59 63
60 64
61 65
W = width (duct)
H = height (duct)
X = variable (see size chart)
H
W
X
1-1/4”
(32mm)
Round
1”
(25mm)
Duct Height Damper Height
Inches Inches
62 66
63 67
64 68
65 70
66 71
67 72
68 73
69 74
70 75
71 76
72 77
73 78
74 79
75 80
76 81
77 82
78 83
79 84
80 85
81 86
82 87
83 88
84 89
85 91
86 92
87 93
88 94
89 95
90 96
91 97
92 98
93 99
94 100
95 101
96 102
97 103
98 104
99 105
100 106
101 107
102 108
103 109
104 110
105 111
106 112
107 113
108 114
109 115
110 116
111 117
112 118
113 119
114 120
X = damper height
D
D+1”
4”
(102mm)
X
1-1/4”
(32mm)
Rectangular
W+1” (25mm)
H
W
X
1-1/4”
(32mm)
Oval
W+1”
1”
(25mm)
1”
(25mm)
4”
(102mm)
4”
(102mm)
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