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  1. M

    Novice installing smart thermostat - Drayton Wiser

    I was worried you were going to say that! Probably should ahve been more pro-active in querying it while the house was still under warranty. Nevermind, I'm pretty confident I can sort it if I can jsut find where the wring goes - hopeful that an afternoon in the attic with a head torch will see...
  2. M

    Novice installing smart thermostat - Drayton Wiser

    I haven't yet checked with a multimeter but I'm pretty confident the problem is as I described it - I have judged the opening of the valve based on the slack in the manual overide lever on it. The lever for the zone 2 valve only moves when zone 1 is open. No adjustments to the thermostat can...
  3. M

    Novice installing smart thermostat - Drayton Wiser

    Thanks for the responses guys :-) I'm pretty handy with circuits and wiring diagrams but my knowledge of central heating systems and conventions for household wiring are nil, hence my lack of certainty about what is going on and my wish to find the wiring centre so I can figure out how the...
  4. M

    Novice installing smart thermostat - Drayton Wiser

    Thanks for the info. I've been looking at the system behaviour a bit further and realised that the zone 2 valve doesn't open at all (regardless of the zone 2 programmeable thermostat state) unless zone 1 is open. When zone 1 is open/the boiler is firing then zone 2 operates per the programmeable...
  5. M

    Novice installing smart thermostat - Drayton Wiser

    Hi I just bought a Drayton Wiser smart thermostat in the Black Friday sales - I've been eyeing up this model for a while due to its API meaning I can geek out on settings, combined with the smart TRVs. Looking at the instrallation/wiring diagrams I think I have it figured out but could do with...
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