Shelly1 with Hormann Promatic 3

    Hi,

    I am using a Shelly 1 to automate a garage door that is opened by a Hormann Promatic 3 garage door opner.

    I have exactly followed the following video:

    Automate Hormann Promatic garage door with Shelly1 for home assistant
    www.youtube.com

    Live and Neutral wire are in the right place, bridge is in the right place:

    pasted-from-clipboard.png
    I cannot even find the shelly 1 network. I am trying to automate my garage door and also would like to add a garage door sensor after getting this up and running.

    Anything I am missing? (blue is live, brown is neutral and black is going to the open/close). Garage door is functioning as normal. There are nog lights or anything coming from the Shelly 1.pasted-from-clipboard.pngpasted-from-clipboard.png

    Thank you for your help.

    Kind regards

    After a quick search for the manual it looks like this to me:
    You have connected the Shelly to the output of the transformer. (24VAC). In order for it to work with the Shelly 1, you have to connect it to 24VDC. See photo:pasted-from-clipboard.pngsmarthome-forum.eu/attachment/43348/

    Sorry, after reading a little further, I see that this connection is for a relay. Unfortunately the plan does not give the information, where to find the 24VDC. I think, it is available in the right terminal with the numbers 20,21,5,23, but to be sure you have to measure it. I think, it is between terminals 20 and 5, no idea, which one is plus or minus.

    Maybe the current is not enough for the shelly, then you have to take a Shelly Plus 1, which you can connect to 230VAC.

    This is not allowed with the Shelly 1 you have, see #2 from Devil.
    In your case you could also take a Shelly Uni, which you can supply with 24VAC.

    Or you put a full bridge rectifier and a capacitor between transformer and shelly...

    Next edit: I thought, I have already seen this door gate, so, after a search in the forum I found it.

    Terminal 20 is 0V, Terminal 5 is 24VDC.

    But the voltage drops, when the gate is driven. So the best solution is a Shelly Plus 1, but please ask for some help, when you connect it, your wiring looks not very good to me...

    3 Mal editiert, zuletzt von horkatz (8. Juli 2023 um 14:33)

    Thank you both for your help. The 230v supply to the motor did the trick indeed.

    I'm no expert so I opted for the easy solution.

    My friend will improve the wiring now. I just had to get it running for him to do the rest.

    Thank you once more

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