i
10. Surface-mounted installation
Installation on window frames, etc.
Weak window frames can break out
◆ Check the load-bearing capacity of window frames before installation. Es-
pecially when installing on plastic constructions, it is vital that the fasten-
ing screws are tight and cannot come loose during operation of the unit.
◆ If necessary, check with your window manufacturer before installing the
belt winder on a plastic window frame.
3.
Insert the required belt inlet.
This ensures the correct movement
of the respective belt.
4.
Use existing installation holes.
You require two installation holes
in order to fasten the belt winder.
Normally you can use the existing
installation holes in order to screw
the wall bracket in place. If this is
not the case, mark the new instal-
lation holes as required.
Belt inlet for:
standard belt
23 mm
EN
mini belt
15 mm
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