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  1. E

    Programmer NC HW wire - is it a trap?

    Thanks @DP. The EVOhome system uses two separate BRD relays (HW/HTG) so it feels like I can include or remove that cable on 7(NC) in the HW BRD without affecting anything.
  2. E

    Programmer NC HW wire - is it a trap?

    Funny how I just saw this in the PDF: (Mine is definitely an S-plan with two zone valves, each with one pipe in and one out)
  3. E

    Programmer NC HW wire - is it a trap?

    The earth at 7. Control centre (not particularly neat)
  4. E

    Programmer NC HW wire - is it a trap?

    Hi - dramatic title but I'm fitting an Evohome HW and HTG smart thermostat/TRV/relay system. When I traced all the wires to the programmer and beyond I found that the HW normally-closed pin in the programmer had a wire attached to it. It was linked to permanent Live and had a red sleeve on it...
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