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6. Installation
Faulty operation and unit damage
caused by a rubbing impeller with
incorrect installation.
CAUTION
Install the connecting flange so that it is not
under tension.
Make sure there is a level seating.
i
Important notes
•
Wall thickness EN/ENR 20, EN/ENR 25
= min. 105 mm
Wall thickness EN/ENR 31 = min. 130 mm
•
Make sure there is sufficient space to the wall or
ceiling.
•
In order to guarantee the degree of protection (IP
value), the cable grommets [T...] must be drilled
through/pierced correctly, i.e. with a circular hole
that is somewhat smaller than the cable diameter.
•
Never dismantle the external shutter.
•
Only mount the external shutter on a level surface
in order to guarantee the shutter function.
Wall mounting (Figures 2A and 2H)
A Mark and drill the holes for the plugs. Please refer
to Figure 2A for the correct hole spacing for the
connecting flange.
B Wall breakthrough, install power cable [L] (surface
mounted „AP"or recessed mounted „UP") and
wall sleeve „WH", as required). Lay an empty
ducting [9.4] with a slight incline towards the
outside, for an electrically operated external shutter.
C Remove the internal cover [1]; the cover can be
removed from the connecting flange [3] without
using any tools. To do this, hold onto the connecting
flange, open the internal cover [1] from the bottom
(see
) and move it upwards (see
remove the terminal box cover [2]. Remove the
protective bar [1.1] first in the case of surface
connection.
D Make a circular hole in the corresponding grommet
[T...] in the connecting flange and feed the power
cable through it.
E Fix the connecting flange [3] to the wall with
suitable fixing material.
F Install the external shutter in line with the
corresponding instructions. Feed the connection
cable through the conduit [9.4] in the connecting
flange and then through the black grommet [T5]
10
into the terminal box, in the case of an electrically
operated external shutter. In order to stop moisture
getting into the terminal box, make sure that the
hole in the grommet is circular and slightly smaller
than the diameter of the connection cable.
G Connect up the unit electrics, see wiring
diagrams on Pages 16 to 19.
Danger to life from electric shock!
Switch the mains fuse off.
DANGER
Unit damage in the case of short-
circuits!
Cut off and insulate PE conductor and
CAUTION
individual cable cores that are not required.
Connect the fan to terminal block [5] and the
external shutter to terminal block [6] by reference
to the corresponding circuit diagram. The
connections to terminal block [6] are not necessary
in the case of „AS" airstream operated external
shutters.
The degree of protection (IP value) is only
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guaranteed if the cables are fed through
correctly using the intended cable grom-
mets [T1]...[T5].
H Put the terminal box cover [2] on and screw it into
position, ensuring that the sealing [2.1] is correctly
located.
Important: Tighten the 3 fixing screws of
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the terminal box cover with a torque of
1 Nm.
Locate the internal housing [1] into position. To do
this, hang the internal housing on the top of the
connecting flange [3] and then click it down into
). Then
position. Don't bend or distort it.
– Switch the mains fuse on. Carry out a function
test.
Ceiling installation (no picture)
•
Carry out the ceiling installation as described in the
wall mounting section.
Danger of short-circuits and unit
damage by a build-up of condensation
in the fan housing.
CAUTION
Thermally insulate the ventilation ducts
correctly.
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