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Greenheck Fan SSDFD-155 Manual De Usuario

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SSDFD-155 Type CR, CO, C, & R
The following chart show minimum and maximum damper size. 
Dimensions are in inches (mm in parentheses).
O*
H*
Type C
W*+2
W*
O*
H*
Type CO
W*+2
W*
D*
Type CR
O*
D*+2
Copyright © 2006 Greenheck Fan Corporation
SSDFD-155 Rev. 2 July 2006
Overall Damper Dimensions
2  Multi-Section Limitations 
Maximum damper height is 44" when combination width is 94" or less . 
Maximum Single Section 
Dimensions 
Multi-Section Limitations 
Maximum transition height is 36" when transition width is gr eater than 94" and less than or equal to 118". 
3 
 
 
T ype CO 
T ype  C 
 
36” 
Max. 
118” 
Max. 
118” 
Max. 
36” 
Max. 
94” Max. 
or 72” Max. 
25 in. (635mm)
Max.
25 in. (635mm)
Max.
    28 in.
 (711mm)
Max.
    28 in.
 (711mm)
Max.
Multi-Section Limitations 
Maximum damper height is 69" when combination width is 72" or less .  (V ertical mullion pr ovided on dampers over 34” 
wide  and 44” high. ) 
44” Max. 
or 69” Max. 
94” Max. 
or 72” Max. 
44” Max. 
or 69” Max. 
4 
2 
4 
2 
4 
2 
4 
2 
4 
Reinfor cement 
Rods 
   25 in.
 (635mm)  
Max.
     29 in. 
(737mm) max.
inches (mm)
Type CR
Type CO & C
Type R*1
Minimum
Maximum
Minimum
Maximum
Minimum
Maximum
Single section 
Vertical
3   
(76)
25 
(635)
3 x 3
(76 x 76)
28 x 25
(711 x 635)
3
(76)
29
(737)
C, CO, CR transitions 
are positioned 1 
in.(25mm) from bottom 
of sleeve.
*1 With 2 in. (50mm) offset. Sizes adjust with  0 offset & 1 in. (25mm) offset.
Size Limitations
Type CR
Type R
Type R transition is centered on damper 
frame. Dimensions are with 2 in. (50mm) 
offset.
H* or D*
O*
3 (76)
6 (152)
4 (102)
7 (178)
5 (127)
8 (203)
6 (152)
9 (229)
7 (178)
10 (254)
8 (203)
11 (279)
9 (229)
12 (305)
10 (254)
13 (330)
11 (279)
14 (356)
12 (305)
15 (381)
13 (330)
16 (406)
14 (356)
17 (432)
15 (381)
19 (483)
16 (406)
20 (508)
17 (432)
21 (533)
18 (457)
22 (559)
19 (483)
23 (584)
20 (508)
24 (610)
21 (533)
25 (635)
22 (559)
27 (686)
23 (584)
28 (711)
24 (610)
29 (737)
25 (635)
30 (762)
* Dimensions are in inches (mm). These 
dimensions are furnished approximately 
1/4 in. (6mm) undersize.