17
Screw method:
Using screws damages the window
frame.
• Use a pen to mark the bore hole
positions (a) on the window frame
and casement.
• If you are working with a hard surface,
you should drill the holes marked (a)
using a 1.5mm drill.
• Use t he c o unt e r su n k h e a d
screws supplied to fasten the wall
brackets for the electronic unit (2)
and magnet (1).
If you are using the 14.5mm high spacer, you must
rst fasten it with two 2.2 x 16mm screws and then
attach the magnet unit (1) to it with another two screws.
The atter spacers are simply fastened together with the
magnet using two 2.2 x 16mm screws.
• Once you have fastened the wall bracket for the magnet
(1) insert the magnet. Then place the cap on the magnet.
• Once you have fastened the wall bracket for the
electronic unit (2), attach the electronic unit. Then place
the cap (white and brown caps are supplied with the
device) on the electronic unit.
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