Alliance Laundry Systems D355IE1B - Manual (Page 28)

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Exhaust System
IMPORTANT: Keep exhaust duct as short as
possible.
NOTE: Be certain old ducts are cleaned before
installing your new dryer unit.
For best drying results, recommended maximum length
of exhaust system is shown below.
To prevent backdraft when dryer unit 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 12
inches (30.5 cm) above the ground. Larger clearances
may be necessary in areas where heavy snowfall can
occur.
Exhaust Direction
The dryer unit can be exhausted to the outdoors through
the back, left, right or bottom of the dryer unit.
EXCEPTION: Gas dryers cannot be vented out the
left side because of the burner housing.
Dryer unit is shipped from factory ready for rear exhaust;
no kits required.
Exhausting the dryer through sides or bottom (lower
dryer only) can be accomplished by installing a
Directional Exhaust Kit 528P3 available as optional
equipment at extra cost.
WEATHER
HOOD
WITH
HINGED
DAMPERS
RIGID OR
FLEXIBLE
METAL
DUCT
D186IE0A
528P3 Directional Exhaust Kit
Number of
90° Elbows
Weather Hood Type
Recommended Use only for short run installations
Maximum length of 4" (10.2 cm) diameter rigid metal duct.
0 44 feet (13.4 m) 34 feet (10.4 m)
1 34 feet (10.4 m) 26 feet (7.9 m)
2 26 feet (7.9 m) 20 feet (6.1 m)
3 20 feet (6.1 m) 14 feet (4.3 m)
Maximum length of 4" (10.2 cm) diameter flexible metal duct.
0 24 feet (7.3 m) 20 feet (6.1 m)
1 20 feet (6.1 m) 16 feet (4.9 m)
2 16 feet (4.9 m) 12 feet (3.7 m)
3 12 feet (3.7 m) 8 feet (2.4 m)
NOTE: Deduct 6 feet (1.8 m) for each additional elbow.
D011IE2D
4"
(10.16 cm)
4"
(10.16 cm)
D011IE2E
2-1/2"
(6.35 cm)
(continued) )