The doorbell has 2 wires connected to it 1 at the top and 1 at the bottom and it s important that you remember which one is which so you can hook up the new one properly.
How to hook up a doorbell with 3 floors.
The most difficult part of adding a new ringer is tracking down the cables.
Some important facts for people planning on using this optional alternate configuration for their ring video doorbell 3.
A doorbell circuit for two or more doors will have a separate contact on the chimes for each door button included.
Connect the three household power wires to the matching colored wires on the transformer using wire nuts.
If you don t have an existing doorbell it s possible to connect a ring doorbell 3 directly to a low voltage 8 24v ac transformer designed for doorbell circuits.
I cant really tell by your picture how you have it hooked up from the transformer.
Although it s easy to connect a new doorbell cable common is 18 or 20 gauge cl2 type or the equivalent at the existing doorbell chime it may be difficult to run concealed wires to a basement shop or other remote location.
Secure the connection with electrical tape.
This has a cat 5 running to it i am assuming from the door bell when i hook the new wires up to the transformer then to the new bell it just hums and dings once.
Connect the second wire from each button to one of the output wires on the transformer.
Take the top wire and bend the end of it so you can tell them apart.
Use a transformer with at least 16 volts ac and 30 volt amps or the transformer that came with your doorbell kit.
Connect one wire from each button to one of the chime contacts.
My transformer is in the garage with clear access to it.
Connect the two doorbell wires to the two screw terminals.