Evacuation system
19
1 2 3 4 5 6 7 8 9 10
200 280 315 355 400 450 475 500 535 560
0.15 0.30 0.45 0.60 0.75 0.90 1.05 1.20 1.35 1.50
No. of dryers
Exhaust duct
diameter in mm
Minimum area of
fresh-air intake in
m
2
Each dryer requires a fresh-air aperture of min. 400 x 400 mm.
Evacuation system
Exhaust duct
It applies to the exhaust duct that:
• The exhaust duct must be smooth on the inside
(low air resistance).
• The exhaust duct must lead into the open.
• The exhaust duct must lead clear of the
building as condensation may cause frost
damage to the building.
• The exhaust duct must be protected against
rain and foreign objects.
• The exhaust duct must have gentle bends,
fig. 1.
• The exhaust duct must not be a shared duct
between dryers and appliances using gas or
other fuels as their energy source.
It applies to the installation of several dryers
on a shared exhaust duct that:
• The exhaust duct diameter must increase after
each dryer, fig. 2.
The table below shows the exhaust duct
diameter and the necessary fresh-air inlet area.
Note! It is recommended that each dryer is
connected to a separate exhaust duct.
Service organization/dealer
If you have questions relating to the design of the
exhaust system, please contact your local dealer
or service organization.
The exhaust duct
diameter must not
be reduced.
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