Frigidaire FFLE4033QW Installation Instructions | Page 8

Frigidaire Laundry Appliance Installation Instructions - FFLE4033QW.
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Exhaust direction
The laundry center may be exhausted four (4) ways with 

rear fl ush installation: 

1. Straight back
2.  Down (8 inch [20.3 cm] length of 4 inch diameter 

[102 mm] rigid duct and 1 elbow down)

3.  Left (8 inch [20.3 cm] length of 4 inch diameter [102 

mm] rigid duct, 1 elbow down and 1 elbow left)

4.  Right (8 inch [20.3 cm] length of 4 inch diameter 

[102 mm] rigid duct, 1 elbow down and 1 elbow 

right)

In installations where the exhaust system is not described 

in the charts, the following method must be used to 

determine if the exhaust system is acceptable:

1  Connect an inclined or digital manometer between 

the dryer and the point the exhaust connects to the 

dryer.

2  Set the dryer timer and temperature to air fl uff 

(cool down) and start the dryer.

3  Read the measurement on the manometer. 
4  The system back pressure MUST NOT be 

higher than 0.6 inches of water column.  If the 

system back pressure is less than 0.6 inches of 

water column, the system is acceptable. If the 

manometer reading is higher than 0.6 inches of 

water column, the system is too restrictive and the 

installation is unacceptable.

Although vertical orientation of the exhaust system is 

acceptable, certain extenuating circumstances could 

affect the performance of the dryer:

•  Only rigid metal duct work should be used.
•  Venting vertically through a roof may expose the 

exhaust system to down drafts causing an increase 

in vent restriction.

•  Running the exhaust system through an 

uninsulated area may cause condensation and 

faster accumulation of lint. 

•  Compression or crimping of the exhaust system will 

cause an increase in vent restriction.

•  The exhaust system should be inspected and 

cleaned a minimum of every 18 months with 

normal usage. The more the dryer is used, the 

more often you should check the exhaust system 

and vent hood for proper operation.

Install male fi ttings in correct direction:

CORRECT

INCORRECT

Exhaust system requirements, continued

To exhaust up, add an 11 inch (28 cm) length of standard 

4 inch (102 mm) diameter duct and a 90° elbow. The unit 

will be positioned about 4.5 inches (11.5 cm) away from 

the wall (fl ush to wall exhausting may be done by going 

below the dryer then sideways). 

An exhaust hood positioned to line up with the dryer 

exhaust can be installed directly through the outside wall. 

To exhaust to the side or down, add an 8 inch (20.3 cm) 

length of standard 4 inch (102 mm) diameter duct and a 

90° elbow.
See also 

Clearance Requirements on the next page.

INSTALLATION REQUIREMENTS

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