iDM AERO ILM 2-7 Installation Instructions Manual page 32

5. General description
Installation
5.10.2. Mounting of straight air duct
Air intake side same as the corner installation.
The air-duct has a mounting fl ange on both sides.
On one side this is mounted fi x. On the other side,
the fl ange is supplied loose. If necessary, the duct
can be cut to length. Afterwards the fl ange has to be
mounted on the duct again.
On the heat pump side, the duct, together with the
exhaust panel, is mounted in the frame of the heat
pump by the 4 supplied screws.
On the other side, the air duct has to be fl anged
together with the 4 supplied screws to the duct wall
connection piece.
As shown in the picture below, the fl ange connection
(duct wall connection) lies in front of the wall. At the
other end of the duct wall connection is also a fl ange,
which ensures the stability of the wall socket.
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Installation instructions AERO ILM
This fl ange should lie directly in the wall opening.
After the duct is installed, it must be insulated with
the supplied insulation. Then the wall connection duct
is fi lled with clean and airtight foam.
air duct
special foam
to seal
On the outside of the wall, the weather shield grille
(or mesh grille) is mounted directly to the insulation
of the wall opening by means of the provided dowels.
Finally, the foamed area of the wall breakthrough
must be covered with the panel
wall connection
duct
Weather-
shield grille
(C) IDM Energiesysteme GmbH
insulation