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Prior to installation
Fitting the one-way flap:
❑ Insert the two lugs on the one-way flap
into the holes in the exhaust-air
connection.
Optimum performance of the extractor
hood:
❑ Short, smooth exhaust-air pipe.
❑ Minimum number of pipe bends.
❑ Largest possible pipe diameter (125 mm
dia. recommended) and large pipe bends.
If long, rough exhaust-air pipes, many
pipe bends or smaller pipe diameters
are used, the air extraction rate will no
longer be at an optimum level and
there will be an increase in noise.
❑ Round pipes:
Short discharge pipe:
Inner diameter at least 100 mm,
extended discharge pipe:
Inner diameter at least 125 mm.
❑ Flat ducts must have an inner
crosssection equivalent to round pipes
with an inner diameter of 100/125 mm.
There should be no sharp bends.
100 m dia approx. 178 cm2
125 m dia approx. 113 cm2
❑ If pipe diameters differ:
Insert sealing strip.
❑ Ensure an adequate air supply for
exhaust-air mode.
10
Exhaust air upwards:
Pipe diameter: 125/100 mm
To the outside
Coupling ring Ø125
or Ø 100 (Bayonet
and screw fitting)
❑ Insert the exhaust-air connection and turn
as far as possible.
Pipe
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