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User manual
7
Mounting and set-up
Read the users manual before installing the unit
The figure below shows a schematic layout of the ventilator's internal elements depending on the wall thickness.
The ability to mount the ventilator in the wall depends on the length of the internal elements and the required
protrusion A. The length of the internal elements, the diameter of the required opening and the minimum wall
thickness in which the ventilator can be installed when using different external ventilation hoods are shown in
the table below.
Reference dimensions for installation of ventilators
Length of cartridge or fan and regenerator units [mm]
Hole diameter D [mm]
Minimum possible wall thickness when using EH, EH-
14, EH-13, EH-17, MWM hoods (mm)
Minimum possible wall thickness when using an EH-2
hood (mm)
If the wall thickness is less than that in the layout of the blocks inside the wall, you can unfasten the fine filter
holder and assemble the ventilator without it and without sound-absorbing material, as shown in the figure
above. With this type of installation, the recovery efficiency may decrease and the emission of street noise into
the room may increase. This will also increase the noise level of the ventilator itself.
Attention!
The appliance should not be installed in a space where
curtains and the like objects obstate air flow!
Ventilator model or installation variant
FLEXI 50
10
FLEXI 50 with
minimum wall
370
180
≥360
≥260
200
FLEXI 50
thickness
310
180
300
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