I have been searching this forum a lot, but what is found are either fairly old posts, or are answered with ‘I’ve sent you a PM’ If my question is already answered in another post, my apologies (and please point me to this post 
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So, I have the Nuki Opener which I try to install with my intercom.
The situation here is that I live in an apartment building and there are two doors that can be opened with the intercom. A general apartment door and the door to the gallery. They are both opened with the same button.
The intercom is a Bticino model, not 100% sure about the model:
The inside is wired with just two wires:
The white cables are connected to a button that isn’t used. I read this could be used for light switching or so. Underneath the red looped cable, there is a button that is pressed for opening the door.
Close up of the attachment of the 2 external wires
All the documentation in Btcino devices are talking about more than two cable connections that need to be fixed. How do I connect the Nuki Opener to this device? Is this even possible?