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Thread: Opentherm + EvoHome + Viessmann 111-W overshoots

  1. #151
    Automated Home Legend paulockenden's Avatar
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    Quote Originally Posted by HenGus View Post
    This is the latest piece of research from BRE
    "What do you think are the advantages and disadvantages of OpenTherm? "

    "868MHz, simple command classes, robust mesh radio, good battery life, low cost"

    What?????

  2. #152
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    Looks like someone fed a couple of Honeywell brochures into an acronym based sentence generator ?

  3. #153
    Automated Home Ninja
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    Quote Originally Posted by DBMandrake View Post
    Looks like someone fed a couple of Honeywell brochures into an acronym based sentence generator ?
    Hmm... several of those phrases don't apply to Evohome!

  4. #154
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    I did ask Honeywell which, if any, of their products have been through the BRE assessment process? The silence has been deafening. If I recall, Drayton products do appear on the EPC database which suggests that they have been tested.

  5. #155
    Automated Home Legend
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    from another thread.

    Try setting the Tmax on the boiler BEFORE attaching the Opentherm bridge. I have seen this work in most cases.

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