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Installation
Exhaust System
IMPORTANT: Keep exhaust duct as short as possible.
NOTE: Be certain old ducts are cleaned before installing your new unit.
For best drying results, recommended maximum length of exhaust system is shown in Table 2.
Number of
90° Elbows
Recommended
To prevent backdraft when dryer is not in operation, outer end of exhaust pipe must have a weather hood with hinged dampers (obtain locally).
NOTE: Weather hood should be installed at least
30.5 cm (12 inches) above the ground. Larger clearances may be necessary for installations where heavy snowfall can occur.
Weather Hood Type
Use Only for Short Run Installations
10.2 cm
(4 in.)
10.2 cm
(4 in.)
D673I
6.35 cm
(2-1/2 in.)
0
1
2
3
4
Maximum length of 10.2 cm (4 in.) diameter rigid metal duct
19.8 m (65 feet)
16.8 m (55 feet)
14.3 m (47 feet)
11.0 m (36 feet)
8.5 m (28 feet)
16.8 m (55 feet)
14.3 m (47 feet)
12.5 m (41 feet)
9.1 m (30 feet)
6.7 m (22 feet)
2
3
0
1
Maximum length of 10.2 cm (4 in.) diameter flexible metal duct
13.7 m (45 feet)
10.7 m (35 feet)
9.1 m (30 feet)
7.6 m (25 feet)
4 6.1 m (20 feet)
NOTE: Deduct 1.8 m (6 feet) for each additional elbow.
10.7 m (35 feet)
8.2 m (27 feet)
6.4 m (21 feet)
5.2 m (17 feet)
4.5 m (15 feet)
Table 2
D802I
28 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 801546
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