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Extractor hoods with 150 mm Øair
outlet:
150
mm l extraction pipe
❑ Screw the reducing connector (see
optional accessoriesonthe last page)
onto the air outlet.
❑ Attach the extraction pipe to the redu-
cing connector.
150 mm l extraction pipe
❑ Attach the exhaust-air pipe directly to
the air outlet..
If
aone-way flap has been fitted, con-
duct aperformance test.
Extractor hoods with
rectangular air
outlet:
❑ Screw the enclosed
air-pipe connector
over the air outlet.
Recirculated air mode
❑
The air cleaned by
an additional activa-
ted carbon filter is
conveyed back into
the room.
❑
In recirculated air
mode the exhaust
opening must be
protected by agrille
(see optional accessories on the last
page) in order to prevent amechanical
or electrical hazard.
Exhaust-air mode
Attaching the one-way flap
❑ Insert the two lugs on the one-way flap
into the holes on the air-pipe connector
or air outlet and lock into position.
Beforeinstalling the one-way flap, ensu-
re that the lettering or stamp is on the out-
side.
Optimum performance of the extractor
hood:
❑
Short, smooth extraction pipe.
❑
As few pipe bends as possible.
❑
Largest possible pipe diameter (prefera-
bly 150 mm ø) and large pipe bends.
❑
Round pipes:
We recommend
for single-motor model,
inner diameter of at least 120 mm
for double-motor model.
inner diameter of at least 150 mm
❑
Flat ducts must have an inner cross-
section equivalent to round pipes
which have an inner diameter of
120/150 mm.
120 mm l approx. 113 cm
2
150 mm l approx. 177 cm
2
❑
If pipe diameters differ: use sealing
strip.
❑
Ensureanadequate air supply for
exhaust-air mode.
Pipe connection
Extractorhoods with 120 mm Øair
outlet:
100 mm Øextraction pipe
❑ Insert the reducing connector (see optio-
nal accessoriesonthe last page) into the
air-pipe connector and then attach the
exhaust-air pipe.
120 mm Øextraction pipe
❑ Attach the exhaust-air pipe directly to
the air-pipe connector.
Prior to installation
16
The exhaust air is discharged upwards
through aventilation shaft or directly
through the outside wall into the open.
D
Exhaust air should neither be directed
into asmoke or exhaust flue that is
currently used for other purposes,nor into a
shaft that is used for ventilating rooms in
which stoves or fireplaces arealso located.
Local authority regulations must be
observed when discharging air into smoke
or exhaust flues that arenot otherwise in
use.
D
When the extractor hood is operated
in exhaust-air mode simultaneously with
adifferent burner which also makes use
of the same chimney (such as gas, oil or
coal-fired heaters, continuous-flow heaters,
hot-water boilers) caremust be taken to
ensurethat thereisanadequate supply
of fresh air which will be needed by the
burner for combustion.
Safe operation is possible provided that the
underpressureinthe room wherethe
burner is installed does not exceed 4Pa
(0.04 mbar).
This can be achieved if the combustion air
can be replenished by being able to flow
through non-closeable openings such as in
doors, windows, wall ventilation boxes, or
by alternative technicalmeasures such as
reciprocally shutting the other device off,
etc.
An air-intake/exhaust-air wall box by itself is
no guarantee that the limiting value will not
be exceeded.
Note: When assessing the overall
requirement, the combined ventilation
system for the entirehousehold must be
taken into consideration. This rule does not
apply to the use of cooking appliances,
such as hobs and ovens.
All legal requirements concerning the
discharge of exhaust air must be observed.
Unrestricted operation is possible if the
extractor hood is used in recirculating mode
–with activated carbon filter.
The extractor hood should be fitted with a
one-way flap for exhaust-air mode if thereis
not already one installed in the exhaust-air
pipe or wall box. If aone-way flap is not
enclosed with the appliance, purchase one
from aspecialist outlet (see optional acces-
sories on the last page).
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