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Installation
802702
24
Figure 21
Figure 22
A Backdraft Damper, Part No. 58786 (obtain locally),
should be installed in a 4 inch (10.2 cm) diameter
VERTICAL duct system. This will prevent a backdraft
when dryer is not in use, and will keep the exhaust air
in balance within the central exhaust system.
H318I
1
NOTE: Where the exhaust duct pierces a
combustible wall or ceiling, the opening must be
sized per local codes.
3
2 in. (5 cm) Minimum or Clearance per Local
Codes
4
No Screen or Cap
2
Wall
5
Clean Out Cover
–
Inspect Monthly
2
3
4
EXHAUST
OUTLET
K
J
I
H
G
F
E
D
C
B
A
5
30°
1
EXHAUST AIR FLOW
MAXIMUM LENGTH OF DUCT
30 feet (9.1 m)
HORIZONTAL EXHAUST INSTALLATION
AIR
FLOW
H319I
1
Roof
2
No Screen or Cap
3
Wall
4
2 in. (5 cm) Minimum or Clearance Per Local
Codes
5
NOTE: Where the exhaust duct pierces a
combustible wall or ceiling, an opening must
be sized as shown or per local codes.
3
1
4
5
CONNECT TO DRYER
VERTICAL EXHAUST INSTALLATION
2
Duct Station
Minimum Diameter of
Collector Duct
A
4 inches (10.2 cm)
B
8 inches (20.3 cm)
C
9 inches (22.9 cm)
D
10 inches (25.4 cm)
E
11 inches (27.9 cm)
F
12 inches (30.5 cm)
G
13 inches (32.6 cm)
H
14 inches (35.6 cm)
I
15 inches (38.1 cm)
J
15 inches (38.1 cm)
K
16 inches (40.6 cm)
To reduce the risk of fire and the
accumulation of combustion gases, DO NOT
exhaust dryer air into a window well, gas
vent, chimney or enclosed, unventilated
area, such as an attic, wall, ceiling, crawl
space under a building or concealed space
of a building.
W045
WARNING