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Type: Posts; User: magnayn

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  1. Thanks for this - the TPI bit makes sense. I'd...

    Thanks for this - the TPI bit makes sense. I'd eventually sort of guessed what it was trying to do by observation

    My 2nd (non-evohome) zone has it's own zone valve (and thermostat) as it's heating...
  2. Sorry, yes, brainfart - I meant _above_ the...

    Sorry, yes, brainfart - I meant _above_ the setpoint. That said, it's also doing the inverse behaviour.

    I.E: I have times where >1 zone has a current temperature below the setpoint temperature,...
  3. Why is Evohome calling for heat when all zones are below setpoint ?

    I have evohome with eTRVs and a BRD91 controlling the boiler, plus another BRD91 opening a zone valve on some UFH (which is bound to the main unit).

    All "optimisations" are turned OFF.

    It...
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    OpenTherm - experiments and questions

    So...

    I have a WB Greenstar Classic 42 CDi ErP, which I've "persuaded" into giving me access to electronic data via
    a) https://en.robbshop.nl/ems-ot-opentherm-converter-nefit
    plugged into
    b)...
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    How often do the TRVs report their temperature...

    How often do the TRVs report their temperature back to the base unit? Polling any more often than that won't be of much value.



    Well, yes, but it's also a security measure to protect Honeywell...
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