Dexter Laundry T-80 Reversing (On-Premise) User Manual
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Maintain minimum 1" [25] clearance between duct and combustible material.
If the exhaust pipe passes through a wall, a metal sleeve of slightly larger diameter should be
set in the wall and the exhaust pipe passed through this sleeve. This practice is required by some
local codes and is recommended in all cases to protect the wall. This type of installation should
have a means provided to prevent rain and high winds from entering the exhaust when the dryer
is not in use. A hood with a hinged damper can be used for this purpose. Another method would
be to point the outlet end of the pipe downward to prevent entrance of wind and rain. In either
case, the outlet should be kept clear, by at least 24" [610], of any objects that would cause an air
restriction.
Never install a protective screen over the exhaust outlet.
When exhausting a dryer straight up through a roof, the overall length of the duct has the
same limits as exhausting through a wall. A rain cap must be placed on top of the exhaust and
must be of such a type as to be free from clogging. The type using a cone shaped “roof” over the
pipe is suitable for this application.
Exhausting the dryer into a chimney or under a building is not permitted under any
conditions. In both cases, there is a danger of lint build-up, which can be highly combustible.
Installation of several dryers, where a main discharge duct is necessary, will need the
following considerations for installation (see Fig.2). Individual 8" ducts from the dryers into the
main discharge duct should be at a 45 degree angle in the direction of discharge airflow.
NOTE: Never install the individual 8" ducts at a right angle into the main discharge duct.
The individual ducts from the dryers can enter at the sides or bottom of the main
discharge duct. Figure 2 indicates the various round main duct diameter to use
with the individual dryer ducts. The main duct can be rectangular or round,
provided adequate airflow is maintained. For each individual dryer, the total
exhausting (main discharge duct plus duct outlet from the dryer) should not