Siemens LR18HLT25 User Manual And Installation Instructions page 18

Ceiling-mounted ventilation system
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en Installation instructions
16.6 Instructions for the electrical
connection
In order to safely connect the appliance to the elec-
trical system, follow these instructions.
WARNING ‒ Risk of electric shock!
It must always be possible to disconnect the appliance
from the electricity supply. The appliance must only be
connected to a protective contact socket that has been
correctly installed.
The mains plug for the mains power cable must be
easily accessible after the appliance is installed.
If this is not possible, an all-pole isolating switch
must be integrated into the permanent electrical in-
stallation according to the conditions of overvoltage
category III and according to the installation regula-
tions.
The permanent electrical installation must only be
wired by a professional electrician. We recommend
installing a residual-current circuit breaker (RCCB)
in the appliance's power supply circuit.
Sharp-edged components inside the appliance may
damage the connecting cable.
Do not kink or trap the connecting cable.
¡ The connection data can be found on the rating
plate. → Page 14
¡ The connecting cable is approx. 1.30 m long.
¡ This appliance complies with the EC interference
suppression regulations.
¡ The appliance corresponds to protection class 1.
You should therefore only use the appliance with a
protective earth connection.
¡ Do not connect the appliance to the power supply
during installation.
¡ Ensure that the protection against contact is guaran-
teed during installation.
¡ Only a licensed professional may connect appli-
ances without plugs. They are subject to the require-
ments of the local electricity provider.
16.7 General information
Follow these general instructions during the installation.
¡ For the installation, observe the currently valid build-
ing regulations and the regulations of the local elec-
tricity and gas suppliers.
¡ When discharging the exhaust air, the official and
legal regulations, such as the regional building
code., must be observed.
¡ In order to freely access the appliance for servicing,
select an easy-to-reach installation site.
¡ The surfaces of the appliance are sensitive. Avoid
damaging them during installation.
16.8 Installation
Checking the ceiling
Check whether the ceiling is horizontal and ad-
1.
equately load-bearing.
The max. weight of the appliance is 80 kg.
Do not fit the appliance directly onto plasterboard
(or similar lightweight materials) in a suspended
ceiling.
Drill the hole depth in accordance with the length of
2.
the screws.
18
Use the enclosed screws are suitable only for con-
3.
crete ceilings.
Install the appliance with a fixing material which is
4.
sufficiently stable and has been adjusted accord-
ingly for both the structural conditions and the
weight of the appliance.
Check the cut-out area for existing cables of other
5.
appliances.
Preparing the ceiling
Cover the hob to prevent damage.
1.
Determine the position of the frame and thereby the
2.
middle based on the position of the hob.
Ensure that there are no electrical wires, gas pipes
3.
or water pipes in the area where holes are to be
drilled.
Drill four holes with a diameter of 6 mm for the fix-
4.
ing.
5.
Drill the hole depth in accordance with the length of
the screws.
Fitting the frame
Screw the two opposite screws into the ceiling until
1.
they protrude out of the ceiling by approx. 7 mm.
Note the correct position of the screws and the
frame.
Guide the frame through the screws on the ceiling.
2.
Move the frame so that the screws lock into place in
3.
the key hole openings and can be screwed in
tightly.
Align the frame and use two screws to secure it in
4.
place.
Place a scissor lift table or another suitable device
5.
under the appliance.
Do not place the scissor lift table on the hob.
900 mm
492 mm

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