Exhaust Requirements - Haier GDG900AW User Manual And Installation Instructions

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Exhaust Requirements:

Use only 4 inch (10.2cm) diameter (minimum) rigid of flexible metal duct and
approved vent hood which has a swing-out damper hat open when the dryer is
in operation. When the dryer stops, the dampers automatically close to prevent
drafts and the entrance of insects and rodents. To avoid restricting the outlet,
maintain a minimum of 12 inches (30.5cm) clearance between the vent hood
and the ground or any other obstruction. The vent flap should be able to move
freely, although vertical orientation of the exhaust system is acceptable. Certain
extenuating circumstances could affect the performance of the dryer:
1. Only rigid metal duct work should be used.
2. Venting vertically through a roof may expose the exhaust system to down
drafts causing an increase in vent restriction.
3. Running the exhaust system through an uninsulated area may cause
condensation and faster accumulation of lint.
4. Compression of crimping of the exhaust system will cause an increase in
vent restriction.
5.
In Canada,only foil-type flexible ducts, if any, specifically identified for
use with the appliance by the manufacturer shall be used.In the United
States,only foil-type flexible ducts, if any, specifically identified for use
with the appliance by the manufacturer and that comply with the UL
Outline for Clothes Dryer Transition Duct, Subject 2158A (2006), shall
be used.
6.
The exhaust duct shall be 4 inch (102 mm) in diameter.
The exhaust system should be inspected and cleaned a minimum of every 12
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.
No. of 90º
elbows
0
1
2
3
7
RECOMMENDED MAXIMUM
Recommended
Rigid Metal Flexible Metal
Flexible metal
90 ft.
metal shoud only
60 ft.
be used between
the dryer and the
45 ft.
wall.Maximum
length to be 7.5ft.
35 ft.
Exhaust Hood Types
Use only for short
Rigid Metal
60 ft.
45 ft.
35 ft.
25 ft.
run installations
Flexible
Metal
Flexible metal
metal shoud only
be used between
the dryer and the
wall.Maximum
length to be 7.5ft.