• In mobile home installations, dryer exhaust duct must be se-
cured to mobile home structure.
• Dryer exhaust duct MUST NOT terminate under mobile
home.
• Exhaust duct must not be connected to any other duct, vent, or
chimney.
• Dryer exhausts 220 cfm per unit (measured at back of dryer).
• DO NOT install flexible duct in concealed spaces, such as a
wall or ceiling.
• Static pressure in exhaust duct should not be greater than 0.6
inches water column [1.5 cm water column], measured with
manometer placed on exhaust duct 2 feet [610 mm] from dry-
er (check with dryer running and no load). In multi-dryer in-
stallations, all dryers connected to the main collector duct
should be operating when pressure is checked.
• Exhausting dryer in hard-to-reach locations can be done by
installing 521P3 Flexible Metal Vent Kit (available as option-
al equipment at extra cost).
• Sufficient make-up air must be supplied to replace the air ex-
hausted by the dryer. The free area of any opening for outside
air must be at least 40 in.
2
[25806 mm
2
] per unit.
• Energy efficient buildings with low air infiltration rates
should be equipped with an air exchanger that can accommo-
date on demand make-up air needs in the laundry room. These
devices can be obtained through your building contractor or
building material suppliers.
• Do not draw make-up air from a room containing a gas fired
water heater, a dry cleaner or a hair salon.
• Failure to exhaust dryer properly will void warranty.
• A dryer will dissipate 60 Btu/ft
2
[681,392 J/m
2
] of surface
area exposed to the conditioned air.
NOTE: Venting materials are not supplied with the dry-
er (obtain locally).
IMPORTANT: DO NOT block the airflow at the bottom of
the dryer’s front panel with laundry, rugs, etc. Blockage
will decrease airflow through the dryer, thus reducing
the efficiency of the dryer.
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.
Exhausting the dryer through sides or bottom can be accomplish-
ed by installing a Directional Exhaust Kit, 528P3, available as
optional equipment at extra cost.
Exhaust System
For best drying results, recommended maximum length of ex-
haust system is shown in
Table 4
.
To prevent backdraft when dryer is not in operation, outer end of
exhaust pipe must have a weather hood with hinged dampers (ob-
tain locally).
NOTE: Weather hood should be installed at least 12 in-
ches [305 mm] above the ground. Larger clearances
may be necessary for installations where heavy snow-
fall can occur.
Number of 90° Elbows
Weather Hood Type
Recommended
Use Only for Short Run Installations
D673I_SVG
1
1
1. 4 in. [102 mm]
D802I_SVG
1
1. 2.5 in. [64 mm]
Maximum length of 4 in. [102 mm] 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]
Table 4
continues...
Installation
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Copyright, Alliance Laundry Systems LLC -
DO NOT COPY or TRANSMIT
27
Part No. 805419R3
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