The Smart Lock is mounted on the inside of your existing cylinder. Depending on your cylinder, there are two options to install it:
Version A
Cylinder with at least 3mm overhang on the inside of the door: The Smart Lock is fixed to your cylinder using three screws.
1A) The cylinder has at least 3mm overhang: Take mounting plate A from the packaging
2A) Screw-fix the mounting plate to the cylinder with the supplied wrench
Please fix the screws carefully and without great physical effort to avoid damaging the cylinder.
3) Put your key into the lock
4) Attach your Smart Lock to the mounting plate
5) Download the Nuki app on your smartphone and set up your Smart Lock
Version B
Cylinder with less than 3mm overhang on the inside of the door: The Smart Lock is glued to your door with special adhesive pads.
1B) The cylinder has less than 3mm overhang: Take mounting plate B from the packaging
2B) Peel off the protective backing and stick the mounting plate to your door
3) Put your key into the lock
4) Attach your Smart Lock to the mounting plate
5) Download the Nuki app on your smartphone and set up your Smart Lock
Both options won’t leave any marks and are perfect to use in rented flats.
More details concerning the installation (incl. video):
https://nuki.io/en/blog/installation-of-nuki/
