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INSTALL THE EXHAUST DUCT
The exhaust of the hood must be properly taken care of. For optimum performance of the hood it is important to pay
attention to the following items during the installation:
• Use smooth, non-flammable pipes with an internal diameter that is equal to the external diameter of the connection
nozzle of the hood. Maximally extend flexible ducts and cut them to size.
• Do not reduce the exhaust diameter. This will lower the capacity and raise the noise level.
• Make the duct as short as possible and with as few as possible bends to the outside.
• Avoid square bends. Use rounded bends for proper air conduction.
• Flat duct: the surface of a flat duct must be the same size as Ø150 mm = 177 cm².
• In case of an exhaust pipe through the outside wall passing a cavity wall, make sure that the exhaust duct fully
bridges the cavity and slightly declines to the outside.
• When connecting to a short exhaust duct, it may be required to mount a non-return valve in the duct to prevent the
wind from blowing in.
• Use a hose clamp or aluminium tape for airtight connections.
• In case of an exhaust pipe through the outside wall, use the outside wall grate.
• In case of an exhaust pipe through the roof, use a double-walled roof passage with sufficient width.
• Never connect to a flue duct.
• Make sure that sufficient air is supplied. Fresh air can be supplied by slightly opening a window or an outside door or
by installing an inlet grate.
ACCESSORIES
Hose clamp
Aluminium tape
Outside wall grate
Non-return valve
Changes and misprints reserved, March 2013
adjustment range Ø60-135 mm
roll of 50 m
aluminium shutter grate for Ø150 mm
Ø150 mm
906.291
906.292
906.178
906.269
EN 8
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