Whirlpool 8528095 REV A Installation Instructions Manual page 6

If using an existing vent system, clean lint from the entire length
of the system and make sure exhaust hood is not plugged with
lint. Replace any plastic or metal foil vent with rigid metal or
flexible metal vent.
Plan installation to use the fewest number of elbows and turns.
Avoid making 90º turns.
A
Exhaust Air Flow
A. Better
B. Good
Allow as much room as possible when using elbows or making
turns. Bend vent gradually to avoid kinking.
The vent can be routed up, down, left, right, behind the dryer or
straight out the back of the dryer.
Service check: Back pressure in any exhaust system used must
not exceed 15.2 mm (0.6") in water column, measured with an
incline manometer at the point that exhaust vent connects to
dryer.
The exhaust outlet is located at the center of the rear of the dryer.
The design of the flue system should ensure that any condensate
formed when operating the appliance is either retained and
subsequently evaporated or discharged. Following these
installation instructions should adequately meet this requirement.
6
B
Vent System Length
Maximum length of vent system depends upon the type of vent
used, number of elbows and type of exhaust hood. The maximum
length for both rigid and flexible vent is shown in the chart.
Maximum Vent Length
10.2 cm (4") Diameter Exhaust Hoods
Rigid Metal Vent
No. of 90° turns Box Hood and
Louvered Style
15.8 m (52 ft.)
0
13.4 m (44 ft.)
1
11.0 m (36 ft.)
2
8.2 m (27 ft.)
3
6.1 m (20 ft.)
4
Flexible Metal Vent
No. of 90° turns Box Hood and
Louvered Style
9.4 m (31 ft.)
0
7.9 m (26 ft.)
1
6.7 m (22 ft.)
2
6.1 m (20 ft.)
3
5.5 m (18 ft.)
4
For vent systems not covered by the vent specification chart
(such as multiple unit hookups, plenums, and power-assist fans),
see Whirlpool Service Manual, "Exhausting Whirlpool Dryers,"
Part No. LIT603197, available from your Whirlpool parts
distributor.
If dryer is installed in a confined area, such as a bedroom,
bathroom or closet, 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 four-inch outlet hood is preferred. However, a 6.4 cm (2 ")
outlet exhaust hood may be used. A 6.4 cm (2 ") outlet creates
greater back pressure than other hood types. For permanent
installation, a stationary vent system is required.
Angled Hood Style
13.4 m (44 ft.)
11.0 m (36 ft.)
8.5 m (28 ft.)
6.4 m (21 ft.)
4.3 m (14 ft.)
Angled Hood Style
7.0 m (23 ft.)
5.5 m (18 ft.)
4.3 m (14 ft.)
3.7 m (12 ft.)
3.0 m (10 ft.)