Smart Lock Ultra: Mounting and Installation

The Smart Lock Ultra comes with the Nuki Universal Cylinder. In this article, you can find additional information on mounting Smart Lock Ultra with the Universal Cylinder.

General information about the Universal Cylinder

The Nuki Universal Cylinder is designed as a modular solution, covering common cylinder dimensions and allowing for individual adaptation to various doors. It is delivered pre-assembled. The inner and outer lengths correspond to the most common sizes. Therefore, you may not need to change the inner and outer dimensions.

Mounting parts for the Nuki Universal Cylinder

1. Toothed adapter
2. Mounting screw
3. Mounting plate
4. Modular extensions (inside)
5. Rods
6. Modular extensions (outside)
7. Key

Also included in the delivery

• Security Card
• Measurement card
• Allen wrench
• Smart Lock Ultra

Mounting instructions: Smart Lock Ultra + Universal Cylinder

1. Measure the overhang of the cylinder on the inside

Measure the overhang of the existing cylinder on the inside of the door using the measurement card. Now, select the measured value in millimeters in the Nuki App.

If there is no overhang on the inside, select 0.

2. Measure the overhang of the cylinder on the outside

Measure the overhang of the existing cylinder on the outside of the door using the measurement card. Select the measured value in millimeters in the Nuki App.

Is your door equipped with a protective fitting or a protective rosette? Select the value 0 in the Nuki App.

3. Remove the existing cylinder

1. Open your door: Now, you have a clear view of the latch and the deadbolt that locks the door. There is a retaining screw under the deadbolt that holds the cylinder in place. Loosen the screw, but don’t fully remove it yet.
2. Now, insert the key into the existing cylinder on the inside. Turn the key slightly clockwise to about 1 o’clock.
3. Completely remove the retaining screw.
   Now, you can pull out the cylinder with the inserted key.

4. Determine the inner length of the cylinder

Use the removed cylinder as a model to assemble your Universal Cylinder to the correct length.

1. Measure the inner length of the removed cylinder using the measurement card. Measure the length from the center bore to the outermost point.
   To do this, place the measurement card over the cylinder so that the hole in the measurement card is aligned with the center bore of the cylinder.
2. Select the measured length of the cylinder's inner side in the Nuki App. This value will determine whether the inner length of your new cylinder needs to be changed.

5. Determine the outer length of the cylinder

Use the removed cylinder as a model to assemble your Universal Cylinder to the correct length.

1. Measure the outer length of the removed cylinder using the measurement card. Measure the length from the center bore to the outermost point.
   To do this, place the Measurement Card over the cylinder so that the hole in the Measurement Card is aligned with the center bore of the cylinder.
2. Select the measured length of the cylinder's outer side in the Nuki App. This value will determine whether you need to change the outer length of your new cylinder.

6. Adjust the outer length of your Nuki Universal Cylinder

The Nuki App will indicate whether you need to remove or add modular extensions.

1. To change the outer length, loosen the two screws on the bottom of the cylinder using the provided Allen key.
2. Pull out the rod and replace it with the one that has the appropriate length.
3. Now, assemble the modules for the outer length like indicated in the app.
   Tip: Ensure that the modules can be smoothly assembled by aligning the recesses of the modules. Rotate them until they click into place.
4. Finally, insert the module with the keyway and tighten the two screws on the bottom of the cylinder again.

7. Adjust the inner length of your Nuki Universal Cylinder

The Nuki App will indicate whether you need to remove or add modular extensions.

1. If the inner length of the Universal Cylinder needs to be changed, remove the screw in the front area of the Universal Cylinder. This screw fixes the individual modules together on the inside.
2. After removing the screw, you can add or remove the modules marked in the app to achieve the desired length.

8. Attach the mounting plate

After ensuring your cylinder's inner dimensions are the appropriate length, you can attach the mounting plate. The Nuki App will indicate which of the included mounting screws you need. Take the correct mounting screw and fix the modules and the mounting plate. Now, remove the fixing screw. The fixing screw is located on the side of the cylinder, as indicated in the App.

9. Mount the Universal Cylinder to your door

1. Insert the fully assembled cylinder into the door until the mounting plate rests on the inside surface of the door.
2. Reinsert the retaining screw into the door.
   Tip! Place the key on the outside of the door and turn it. If that doesn't work, the cylinder may need to be moved slightly forward or backward. Only when you can turn the key, the cylinder is in the correct position.

10. Mount your Smart Lock Ultra

1. First, place the yellow adapter on the mounting plate. Make sure you insert it with the protruding side first.
2. Mount your Smart Lock. Make sure that the marking on the Smart Lock is at the top. The marking is a small notch, not to be confused with the connector for the magnetic cable.
3. Turn it to the right. The lettering "Nuki" is now centered at the top.

You have successfully installed your Smart Lock Ultra with the Nuki Universal Cylinder!