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3.4 Removing the caps
To remove the caps :
• Raise the cap slightly upward.
• Pull the cap outward.
The plastic top cap does not have to be removed.
3.5 Mounting the roof fan
The support surface, which will support the roof fan base, must also be as flat as possible (embedding
frame or roof adapter supplied on request). A foam seal, or equivalent (not supplied), is recommended
between the support surface and the roof fan base. A maximum tilting of 2.5° between the motor axis and
the vertical is tolerated (see figure below).
LL
washer
Foam
seal
2,5°
The roof fan base must completely cover the support to ensure a good tightness.
Make sure that the support is adapted to withstand the combined weight of the machine and its various
accessories. Fasten roof fan using the 20mm dia. holes provided for this purpose. It is recommended to
use the LL washers.
If the fastening screws are not correctly tightened, it can lead to disturbing noises and vibrations. Once the
machine is correctly attached, make sure that the impeller rotates freely without rubbing or noise.