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About re-setting a Vaillant EcoTEc Plus 824 boiler

Discussion in 'Plumbing and Central Heating' started by Lucky Luke, 1 Apr 2018.

  1. Lucky Luke

    Lucky Luke

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    Hello experts. Because of a recurring fault with the above boiler, I looked at the user manual, and read that, if the power button is pressed and held down for one second, this can clear a fault or faults, by re-setting the boiler. I did this (though the fault persists). However, my concern is that, when the boiler was installed, we had only three radiators installed. To compensate for the low demand on the boiler, the installer told me that he had "adjusted" it, to accommodate the low demand. Therefore, he said, there was no fear of it firing up too fiercely.

    What I should like to know, from someone qualified to tell me, is whether my "re-setting" the boiler, in the way described above, may have nullified the installer's settings, and that now, it may fire up in excess of the workload. (The installer has gone out of business, or I would ask him.)

    Can someone please tell me, for certain, whether my re-set will have affected his settings? I am hoping that a user-reset will not be able to reach a technician's settings, which, for anything I may know, may be on a different level. I hope so!

    Ta muchly, for a helpful and knowledgeable reply.
    A.W.
     
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  3. Gasguru

    Gasguru

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    The original installer probably range rated the heating output which means to say that the KW power output of the boiler is matched to the heat requirement of the room heat loss.
    Have a look in the manual and look for the heating KW output setting...setting it to the minimum level should be sufficient for such few radiators.
     
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  4. Lucky Luke

    Lucky Luke

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    Thanks for that, Gasguru. However, would what I did have nullified the setting marked up by the installer?
     
  5. DIYnot Local

    DIYnot Local

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