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Installation
Instructions
[-3] EXHAUST INFORMATION
WARNÁNG
-IN CANADA ANDINTHE
UNITED STATES, THE REQUIRED EXHAUST DUCT
DIAMETER
IS 4 in I102mm).
DO NOT USE DUCT
LONGER
THAN
SPECIFIED
IN
THE
EXHAUST
LENGTH TABLE.
Using exhaust longer than specified length will:
. Increasethe drying times and the energy cost.
. Reducethe dryer life.
. Accumulate lint, creating a potential fire hazard.
The correct exhaust installation is YOUR RESPONSIBILITY.
Problems due to incorrect installation are not covered by
the warranty.
Remove and discard existing plastic or metal foil transition
duct and replace with ULlisted transition duct.
The MAXIMUM ALLOWABLE duct length and number of
bends of the exhaust system depends upon the type of duct,
number of turns, the type of exhaust hood (wall cap), and all
conditions noted below. The maximum duct length for rigid
metal duct is shown in the table below.
EXHAUST SYSTEM CHECK LIST
No, of 90 °
Elbows
0
1
2
3
4
EXHAUST LENGTH
RECOMMENDED lvtAXIiVlUivtLENGTH
Exhaust Hood Types
Recommended
Rigid
Metal
90 Feet
60 Feet
45 Feet
35 Feet
25 Feet
Use only for short
run installations
4"
DIA.
_'-
i-_
2-:1./2"
Rigid
Metal
60 Feet
/45 Feet
35 Feet
25 Feet
15 Feet
. Forevery extra 90° elbow, reduce the allowable vent system
length by !0 ft.
. Two/45° elbows will be treated like one 90° elbow.
. For the side exhaust installations, add one 90° elbow to the
chart.
. Thetotal vent system length includes all the straight portions
and elbows of the system (transition duct included).
HOODOR WALLCAP
. Terminate in a manner to prevent back drafts or entry of birds or other wildlife.
. Termination should present minimal resistance to the exhaust air flow and should require little or no maintenance to prevent
clogging.
. Never install a screen in or over the exhaust duct. This could cause lint build up.
. Wall caps must be installed at least !2 in.above ground levelor any other obstruction with the opening pointed down.
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