Alliance Laundry Systems D715I - Manual (Page 29)

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Installation
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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.
For best drying results, recommended maximum
length of exhaust system is shown in table 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, right or bottom of the dryer. EXCEPTION:
Gas dryers cannot be vented out the left side
because of the burner housing.
Dryer is shipped from factory ready for rear exhaust;
no kits required.
Exhausting the dryer through sides or bottom can be
accomplished by installing a DK1 Sales Accessory
(Directional Exhaust Kit 528P3) available as optional
equipment at extra cost.
Figure 29
Table 2
D328I
528P3 DIRECTIONAL EXHAUST KIT
Number of
90° Elbows
Weather Hood Type
Recommended Use Only for Short Run installations
Maximum length of 4 in. (10.2 cm) diameter rigid metal duct.
0 65 feet (19.8 m) 55 feet (16.8 m)
1 55 feet (16.8 m) 47 feet (14.3 m)
2 47 feet (14.3 m) 41 feet (12.5 m)
3 36 feet (11.0 m) 30 feet (9.1 m)
4 28 feet (8.5 m) 22 feet (6.7 m)
Maximum length of 4 in. (10.2 cm) diameter flexible metal duct.
0 45 feet (13.7 m) 35 feet (10.7 m)
1 35 feet (10.7 m) 27 feet (8.2 m)
2 30 feet (9.1 m) 21 feet (6.4 m)
3 25 feet (7.6 m) 17 feet (5.2 m)
4 20 feet (6.1 m) 15 feet (4.5 m)
NOTE: Deduct 6 feet (1.8 m) for each additional elbow.
4 in.
(10.2 cm)
4 in.
(10.2 cm)
D673I D802I 2-1/2 in.
(6.35 cm)