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9
Determine vent length
The maximum length of the exhaust system depends upon:
■ The type of vent (rigid metal or flexible metal).
■ The number of elbows used.
Recommended hood styles are shown here.
1. Box hood style
2. Louvered hood style
The angled hood style (shown following) is acceptable.
2.
See the exhaust vent length chart that matches your hood
type for the maximum vent lengths you can use.
Do not use vent runs longer than specified in exhaust vent
length charts.
Exhaust systems longer than specified will:
■ Shorten the life of the dryer.
■ Reduce performance, resulting in longer drying times and
increased energy usage.
3.
Determine the number of elbows you will need.
In the column listing the type of metal vent you are using (rigid
metal or flexible metal); find the maximum length of metal
vent on the same line as the number of elbows.
Vent Length Chart
NOTE:
Side and bottom exhaust installations have a 90º turn
inside the dryer. To determine maximum exhaust length, add 1
90º turn to the chart.
Alternate installations for close clearances
Venting systems come in many varieties. Select the type best for
your installation. Two close-clearance installations are shown.
Refer to the manufacturer’s instructions.
1. Over-The-Top installation (also available with one
offset elbow)
2. Periscope installation
Side and bottom installations
This dryer can be converted to exhaust out the right side, left
side, or through the bottom.
Mobile Home-Additional Installation Requirements
This dryer is suitable for mobile home installations. Follow the
information in “Location Requirements.”
The installation must conform to the Manufactured Home
Construction and Safety Standard, Title 24 CFR, Part 3280
(formerly the Federal Standard for Mobile Home Construction
and Safety, Title 24, HUD Part 280).
■ Special provisions must be made in mobile homes to
introduce outside air into the dryer. The opening (such as a
nearby window) should be at least twice as large as the dryer
exhaust opening.
■ The dryer exhaust vent must not be connected or secured
with screws or other fastening devices which extend into the
interior of the vent.
Number of 90º
turns or elbows
Box or
Louvered hoods
Angled hoods
0
Rigid metal
Flexible metal
64 ft (20 m)
36 ft (11 m)
58 ft (17.7 m)
28 ft (8.5 m)
1
Rigid metal
Flexible metal
54 ft (16.5 m)
31 ft (9.4 m)
48 ft (14.6 m)
23 ft (7 m)
2
Rigid metal
Flexible metal
44 ft (13.4 m)
27 ft (8.2 m)
38 ft (11.6 m)
19 ft (5.8 m)
3
Rigid metal
Flexible metal
35 ft (10.7 m)
25 ft (7.6 m)
29 ft (8.8 m)
17 ft (5.2 m)
4
Rigid metal
Flexible metal
27 ft (8.2 m)
23 ft (7 m)
21 ft (6.4 m)
15 ft (4.6 m)
4"
(10.2 cm)
4"
(10.2 cm)
4"
10.2 cm
2.5"
6.4 cm
2
1
Fire Hazard
Cover unused exhaust holes with one of the
following kits:
279818 (white)
279819 (almond)
279915 (graphite)
279925 (biscuit)
Contact your local dealer.
Failure to follow these instructions can result in
death, fire, electrical shock, or serious injury.
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