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Before installation
The minimum distance between the
supporting surface for the cooking vessels
on the hob and the lowest part of the range
hood must be not less than 50cm from
electric cookers and 65cm from gas or mixed
cookers.
If the instructions for installation for the
gas hob specify a greater distance, this must
be adhered to.
Exhaust-air mode
The exhaust air is discharged upwards
through a ventilation shaft or directly through
the outside wall into the open.
For operating in exhaust-air mode, a
one-way flap should be mounted inside the
wall ventilation box. If no one-way flap was
enclosed with the hood, it can be obtained
from a specialist retailer.
Installing the one-way flap:
■ Snap the one-way flap into the air pipe.
The two lightly sprung flaps must be
able to move upwards.
If the exhaust air is going to be discharged
into the open, a telescopic wall box
should be fitted into the outside wall.
■ For optimum extractor hood efficiency:
■ Short, smooth air exhaust pipe.
■ As few bends in the pipe as possible.
■ Diameter of pipe to be as large as possi-
ble and no tight bends in pipe.
If long, rough exhaust-air pipes, many
pipe bends or smaller pipe diameters
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are used, the air extraction rate will
no longer be at an optimum level and
there will be an increase in noise.
■ Round pipes:
We recommend Internal diameter:
125 mm
■ Flat ducts must have an internal cross
section that equates to that of round
pipes.
There should be no sharp bends.
Ø 125 mm approx. 113 cm
■ If pipes have different diameters:
Insert sealing strip.
■ For exhaust-air mode, ensure that there
is an adequate supply of fresh air.
Connecting a Ø 125 mm exhaust-air pipe:
■ Mount the pipe directly onto the air outlet
on the hood.
Circulating-air mode
■ With activated carbon filter if exhaust-air
mode is not possible.
The complete installation set can be
obtained from specialist outlets.
The corresponding accessory numbers
can be found at the end of these operating
instructions.
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