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    Sunvic programmer 207 wiring of all devices

    Apparently faulty programmer. However it has been replaced and although i can operate both sides of the programmer I can only get heating when hot water is on. Any advice on this matter Thanks Nick
  2. N

    Sunvic programmer 207 wiring of all devices

    Thanks for the comment. P is set to on Checked all wiring - as diagram All link wiring as per paperwork for wiring centre. Thanks Nick
  3. N

    Sunvic programmer 207 wiring of all devices

    Thanks for that Wired as stated. ch switch does not seem to work on timer as it does nothing, hw switch seems to turn on both circuits. any ideas Thanks Nick
  4. N

    Sunvic programmer 207 wiring of all devices

    Hi I have a central heating system which has none of the wires connected to wiring centre or the programmer. Just the wires hanging. I have: Honeywell V4073A Mid Position Valve - 5 wires white=ch on orange=boiler & pump live Grey=HW off Blue=Neutral Yellow/green=Earth Cylinder...
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