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Recent content by shevch

  1. shevch

    Alpha evoke 33 + drayton wiser

    So here is my current wiring attached 1-2 linked. 3 and 4 - goes to the old alpha boiler rc 40 and 44 to wiser opentherm I did some closer look on what is happening and at the moment I have an awkward configuration where wiser is switching the boiler setting from summer to winter instead of...
  2. shevch

    Alpha evoke 33 + drayton wiser

    Hi All, I'm trying to fit drayton wiser thermostat to connect to opentherm on alpha evoke 33. The existing boiler is fitted with the basic alpha wireless thermostat. I wired the new thermostat to the opentherm to the 41 and 44 and switched the P7 to 1 as described in the documentation. The...
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