on Viessmann Boiler, How I can adjust Heating curve Please.

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franny
franny ✭
in General Questions & Topics

Hi,

via App, how I can adjust the Viessmann Boielr Heating curve ?

F

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  • GrayDav4276
    GrayDav4276 ✭✭✭
    Answer ✓
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    @franny
    You can't adjust the boiler heating curve parameters via the tado°App
    You will need to contact your Viessmann engineer
  • johnnyp78
    johnnyp78 ✭✭✭
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    @franny i suspect you might need a viessmann controller to do that (or possibly an app?)

Answers

  • franny
    franny ✭
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    thank you for swift reply .

  • Aligras
    Aligras ✭
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    The boiler heating curve can’t be adjusted by Tado app. You only can control heating curves when a outside temperature sensor is connected to your boiler and no thermostat is connected.
  • franny
    franny ✭
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    Dear Aligras, is partially correct.

    fine and understand the Heating curve can't be adjusted by Tado App,

    and is also correct to say heating curve is controlled when a temperature sensor outdoor is correct.

    BUT

    an internal thermostat can also be connected and then the temperature is modulated by the curve to reach the Internal setpoint (with hight flow rate if the curve is top one, and with minimal flow rate if is selected the bottom curve )

  • Aligras
    Aligras ✭
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    Yes, Franny!
    It will work with an on/off thermostat but not with an opentherm thermostat.
  • johnnyp78
    johnnyp78 ✭✭✭
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    In that case it’s quite likely if Franny is in the UK he/she is using a relay connection.

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