Dexter Laundry DRC55 Series Manuale di istruzioni - Pagina 9
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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 in. (600 mm), of any objects which would
cause air restriction.
Provide a screen or grill over the termination of the exhaust or flue outlet such as will prevent
the entry of a ball of 16 mm in diameter while the machine is not operating but will allow entry of
a ball 6 mm in diameter while operating.
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. In either case there is a
danger of lint buildup which can be highly combustible.
Installation of several dryers, where a main discharge duct is necessary, will need the following
considerations for installation (see Figure 2). Individual ducts from the dryers into the main
discharge duct should be at a 45 degree angle in the direction of discharge air flow.
NOTE: Never install the individual 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 diameters to use with the individual
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