Exhaust Requirements
D1
D2
L
1
NOTE: Where the exhaust duct pierces a combustible wall or ceiling, the opening must be sized per local codes.
2
Outlet Duct Diameter for One Battery Same as Largest Station Used
3
Outlet Duct Diameter for Two Batteries
4
45° Typical
Duct
Station
A
10 in. (254 mm)
B
14 in. (356 mm)
C
17 in. (432 mm)
D
20 in. (508 mm)
E
22 in. (559 mm)
F
24 in. (610 mm)
G
26 in. (660 mm)
H
28 in. (711 mm)
I
30 in. (762 mm)
J
31 in. (787 mm)
K
33 in. (838 mm)
L
34 in. (864 mm)
34
1
2
3
L
K
4
8 Inch Duct
50, 75 Pound
D1
14 in. (356 mm)
20 in. (508 mm)
24 in. (610 mm)
28 in. (711 mm)
31 in. (787 mm)
34 in. (864 mm)
37 in. (940 mm)
40 in. (1016 mm)
42 in. (1067 mm)
44 in. (1118 mm)
46 in. (1168 mm)
48 in. (1219 mm)
© Published by permission of the copyright owner – DO NOT COPY or TRANSMIT
J
I
H
G
Figure 12
D2
10 in. (254 mm)
15 in. (381 mm)
18 in. (457 mm)
21 in. (533 mm)
24 in. (610 mm)
26 in. (660 mm)
28 in. (711 mm)
30 in. (762 mm)
32 in. (813 mm)
33 in. (838 mm)
35 in. (889 mm)
36 in. (914 mm)
Table 8
F
E
D
C
10 Inch Duct
634
D1
15 in. (381 mm)
21 in. (533 mm)
26 in. (660 mm)
30 in. (762 mm)
33 in. (838 mm)
36 in. (914 mm)
39 in. (991 mm)
42 in. (1067 mm)
45 in. (1143 mm)
47 in. (1194 mm)
49 in. (1245 mm)
51 in. (1295 mm)
B
A
T472I
D2
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