22
INSTALLATION AND ASSEMBLY
22
iV-Office ventilation device | Installation instructions
4.4 Installing the wall sleeve
Measuring tape, angle grinder, spirit level, non-pressing 2K polyurethane foam, cutter,
mounting wedge set and styrofoam discs
Requirements:
•
The wall opening Ø 270 mm is finished.
• The cables to the wall opening of the ventilation
device has been laid.
►
Determine the exact wall thickness X:
D = Exterior rendering, incl. other superstructures
if applicable.
C = Insulation, if applicable incl. air gap
B = Masonry, incl. relining if applicable
A = Interior plaster
X =
A+B+C+D
►
Cut the wall sleeve to the
determined dimension
X
.
Be careful
not
to cut away the cut-out for
the fan connecting cable.
►
Remove the styrofoam discs from the wall sleeve.
►
Insert the wall sleeve into the wall opening so it is
flush with the interior wall.
Note the thickness of the plaster.
The recess for the connecting cables is
located on the interior wall side and near
the cables laid to the wall opening.
►
Guide all connecting cables through the cut-out in
the wall sleeve.
X = ?
D
A
B
C
X
!
!
