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11 Electrical connection
11 Electrical connection
6
Lower part of housing
7
Cable grommet
32
Power cable
35
Connection terminal
To prevent the unit and/or electric compon-
ents from malfunctioning as a result of reverse
polarity voltages and induction (incorrect igni-
tion or glowing/flaring of LED, energy-saving
or neon lamps), the unit and electric compon-
ents connected in parallel, such as room light-
ing, should be connected via a double-pole
switch.
DANGER Danger to life from electric
shock.
Prior to accessing the connection terminals,
switch off all supply circuits. Switch off mains
fuse, secure against being accidentally switched
back on and position a visible warning sign.
18
DANGER Danger from electric shock/The
unit will be damaged if installed incorrectly
with too long a power cable.
If the cable feed is too long inside the housing,
the fan insert cannot be installed correctly. The
power cable may be damaged when inserting the
fan unit.
Area for mains connection labelled: Lay wires
according to the contour. Note that the max-
imum spacing to the connection terminal box is
7 cm. Do not cut the power cable inside the hous-
ing too short.
NOTICE Risk of damage if ESD sensitive com-
ponents on the board are touched.
Avoid direct touching of the components or con-
tact surfaces.
NOTICE Damage to the unit if connected in-
correctly.
For example, if an electric load is connected to
terminal 4 or if connected to 2 phases.
Connect the unit according to the wiring dia-
grams: Wiring diagrams [} 24]. Do not connect
additional consumers to terminal 4.
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