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7.6 Hob fan installation
•
The product may only be connected by a qualifi ed
fi tter according to applicable local regulations. The
same applies for the extraction air connections.
The fi tter is responsible for proper functioning at the
installation site.
•
On installation, observe the relevant national building
regulations and the regulations of the electricity
suppliers.
•
The hob fan can be operated in the extraction air and
recirculation air mode.
•
Lead the outgoing air outside through a ventilation
shaft intended for this purpose or through the wall of
the building.
•
Outgoing air may not be led into a smoke or exhaust
gas fl ue which is in operation. Contact the district
master chimney sweep if you are in any doubt.
•
A suffi cient supply of inlet air must be provided if a
wood, coal, gas or oil heater requiring a chimney is
operated in the environment of the hob fan, since an
insuffi cient supply of air results in a risk of poisoning.
The safe operation of the hob extractor is guaranteed
when the negative pressure resulting from the hob
extractor does not exceed 0.04 mbar (4 Pa) and a
suffi cient supply of inlet air can fl ow into the room.
•
Exhaust air pipes must comply with fi re class B 1 DIN
4102.
•
Please make sure that the minimum nominal width of
the appliance connecting pieces is not reduced.
•
A system recommended for the airfl ow and compatible
with the hob extractor should always be used. We
recommend the use of
optimum airfl ow.
•
The nominal width of the recirculation air pipe should
not be less than 150 mm.
•
Exhaust air pipes should be as short as possible.
They should not have a 90-degree angle; instead they
should have soft bends and no reductions in their
cross-section.
•
Never use pipes with a diameter of less than 150 mm.
No bends/angles may be laid 50 cm before the fan
module.
•
Always insert a straight piece of approx. 50 cm
between two angles/bends.
•
The cross-section of wall vents and the cut-out in the
base panel should should at least correspond to the
exhaust air pipe. The outfl ow opening must be at least
500 cm². Reduce the height of the skirting boards or
make corresponding openings.
•
When installing the appliance make sure that the
convection air unit is still accessible when the kitchen
has been completely installed.
•
If necessary levelling feet for the kitchen units must be
moved.
PLEASE NOTE
When the convection air mode is in
operation, ventilation must be suffi cient in
order for the air humidity to be removed.
40
Instructions for assembly
7.7 Connection window contact/ relay
connection
Attention! The relay connection may be under mains
voltage! Personal injury due to electric shock! Disconnect
the hob from the power supply before connecting the
switching system.
The electrical connection must be carried out by a
qualifi ed electrician who is authorised to carry out such
work!
The instructions under 7.9 Electrical connection must be
observed!
Connection window contact (A)
Voltage 16V DC; max. 2 W DC
Only approved window contact switches with potential-
free contact may be connected to the contact loop. The
contact must be closed when the window is open!
Relay connection (B)
Switching capacity max. 240V, 4A
Potential-free relay contact
components for
Mains socket (C)
WARNING OF ELECTRICAL ENERGY!
RISK OF FATAL INJURY!
Live components have been installed
near this symbol. Covers bearing this sign
may only be removed by a certifi ed skilled
electrician.
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