Alliance Laundry Systems H242I - Manual (Page 32)

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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 unit.
For best drying results, recommended maximum length
of exhaust system is shown below.
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 12
inches (30.5 cm) above the ground. Larger clearances
may be necessary for installations where heavy
snowfall can occur.
Exhaust Direction
The dryer can be exhausted to the outdoors through the
back, left or right of the dryer. EXCEPTION: Gas
dryers cannot be vented out the left side because of the
burner housing.
Unit is shipped from factory ready for rear exhaust; no
kits required.
Exhausting the dryer through sides can be accomplished
by installing a Directional Exhaust Kit 528P3 available as
optional equipment at extra cost.
H043IE1A
WEATHER HOOD
WITH HINGED
DAMPERS
RIGID OR
FLEXIBLE
METAL DUCT
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)