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6. VOORBEREIDING INSTALLATIE
6.1 VOORBEREIDING MONTAGE
The first decision regarding installation is whether the ML420 will be morticed or surface mounted. Mortice installation
ensures a discrete solution as the lock and strike plate can be embedded into the door leaf and frame, however in some
instances this is not possible. Glass doors for example require surface mounting which is done with the aid of the MB400
housing and dress plate (available separately).
The lock and strike plate can be installed morticed (1), surface mounted (2), or a combination of the two (3). Regardless
of the installation method it is vital that the lock face plate and strike plate are aligned vertically to each other and that the
gap between them does not exceed 6mm when the door is closed.
When the door is closed, the resting position of the door leaf can be misaligned up to 8mm from the door frame and the
ML420 will pull the door into alignment with ease. This misalignment could be caused by an installed weather seal or
natural distortions in the door assembly.
The ML420 can be installed vertically or horizontally but is not designed to be mounted in a floor cavity firing upwards or in
a wet environment.
DIN Left
DIN Right
ELEKTRISCHE SLOTEN