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Tado X and Vitodens 050-W BPJD OpenTherm

PasPao
PasPao ✭
in General Questions & Topics

Hello,

Today I received and installed Tado X and Bridge to control my Vitodens 050-W BPJD.

I used the cabling suggested by the app Relay pin NO/COM and it works.

Later I found this post here that seems to confirm the boiler supports OpenTherm.

https://community.tado.com/it/discussion/22345/caldaia-viessmann-vitodens-050w-tipo-bpjd

My questions are:

1 - do I have to move cables from Relay to OpenTherm connectors on Tado X ?

2 - Will Tado X understand this change automatically or there is a way to force it to use OpenTherm ?

Is it worth to use OpenTherm instead or relay?

Thank you for your help.

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Best Answer

  • Emcee
    Emcee Admin
    Answer ✓

    Hello @paspao

    If you change the wires on the tado° thermostat to the +/- terminals, it should directly recognize the OpenTherm protocol.

    It automatically detects whether the digital interface Opentherm is connected and configures it accordingly.

    As for your last question, I suppose it's a question of preference. OpenTherm offers you the ability to modulate your heating, which in many cases increases efficiency and savings.

Answers

  • PasPao
    PasPao ✭

    Thank you very much for your reply.

    I confirm it is working via OT now.

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