Maytag MDE20PDFGW Instructions D'installation page 14

Elbows:
45° elbows provide better airflow than 90° elbows.
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Good
Clamps:
Use clamps to seal all joints.
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Exhaust vent must not be connected or secured with screws
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or other fastening devices that extend into interior of duct
and catch lint. Do not use duct tape.
Vent Hoods
102 mm (4") Diameter Exhaust Hoods
Box Hood Louvered Hood
Exhaust hood must be at least 305 mm (12") from the ground
or any object that may be in the path of the exhaust (such as
flowers, rocks, bushes, or snow).
Vent System Length
Maximum Vent Length/Vent Connection
Maximum length of vent system depends upon the type of vent
used, number of elbows, and type of exhaust hood.
Vent System Chart (Rigid Metal Vent)
No. of 90˚ Turns Louvered Hood
0 39.6 m (130 ft)
1 38.1 m (125 ft)
2 35.1 m (115 ft)
3 32.3 m (106 ft)
4 29.9 m (98 ft)
For vent systems not covered by the vent specification chart,
see your parts distributor.
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Better
Angled Hood
305 mm minimum
12" min.
(12")
(305 mm)
Box and
Angled Hood
39.3 m (129 ft)
36.3 m (119 ft)
33.2 m (109 ft)
30.5 m (100 ft)
28.0 m (92 ft)
Provision must be made for enough air for combustion and
ventilation. (Check governing codes and ordinances.) See
"Recessed Area and Closet Installation Instructions" in the
"Location Requirements" section.
A 102 mm (4") outlet hood is preferred. However, a 64 mm
(2 ⁄ ") outlet exhaust hood may be used. A 64 mm (2
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creates greater back pressure than other hood types. For
permanent installation, a stationary vent system is required.
Connect Vent
1. If connecting to existing vent, make sure the vent is clean.
2. Using a 102 mm (4") clamp, connect vent to exhaust outlet
in dryer.
3. Tighten hose clamp with Phillips screwdriver.
4. Make sure the vent is secured to exhaust hood with
a 102 mm (4") clamp.
5. Move dryer into final position. Do not crush or kink vent.
Make sure dryer is level.
NOTE: Testing for proper ventilation should be done with a
Manometer. Minimum: 0.2 mm (0.01"). Maximum: 16 mm (0.6").
⁄ ") outlet
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