Memco Pana40 Plus2D Guide D'installation page 3

Detector Mounting Diagram for 740 / 770 profiles
Fig1
Screw endplate to
bottom bracket
Fig2: Detectors Mounted on Doors
Detector Mounting Diagram for 741 / 743 / 771 / 774 profiles
The detectors should be screwed into place using 5 equidistant fixings as shown below:
Fig5
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Aluminium
Door
Channel
Detector
Crinkle
Washer
Fixing Screw
Locking Screw
Fig3 Summary view