2N Helios IP Safety Installation Manual page 26

Remove the front panel from the intercom.
4.
Select the holes for cable supply. Insert the blanks into the other holes. Apply the
5.
cable bushings or a suitable sealant to prevent penetration of insects or water.
You can also insert the small bushing in the intercom bottom hole.
Put the frame on the intercom.
6.
Place the intercom into the hole while introducing the cables. Leave some of the
7.
cables inside the unit as a reserve and the rest under the intercom bottom.
Insert the enclosed screws in the lateral mounting holes making sure they have
8.
penetrated into the dowels. Tighten all the screws properly. Tip: The screw
tightening sequence may affect the intercom position.
We recommend to seal the frame – wall gap with a silicone or another sealant to
9.
avoid wall dampening as a result of water leakage.
Do not complete mounting until you have finished electrical installation – refer to
10.
Mounting Completion
Be sure keep strictly the hole dimensions while mounting the device into classic bricks
without the flush mounting box as shown in the figure below.
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