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    Wiring Hiv to Vokera Unica 28e

    Hi everyone, I want to wire Hiv to a Vokera Unica 28e, the wiring on the boiler seems straight forward as far as L&N & Earth are concerned but I'm wondering which ones from Hiv goes into which on the thermostat side. Basically out of Hiv goes L & N + "Common" and "Heating on" as per the...
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