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Wiring a central heating boiler timer

Discussion in 'Plumbing and Central Heating' started by Kfinn, 19 Dec 2018.

  1. Kfinn

    Kfinn

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    I got a new Immermat flash timer. It 4 terminals: Live in, Neutral in, Live out and Neutral out.
    There are only 3 wire coming into the timer: brown, black and grey. How do I connect the wires to the terminals.
     
  2. Dan Robinson

    Dan Robinson

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    Wind up, surely.
     
  3. D_Hailsham

    D_Hailsham

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    Nah! It's electrical, not clockwork.
     
  4. D_Hailsham

    D_Hailsham

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    Are you sure you have bought the correct timer? The Immerstat is intended for electrical immersion heaters, not for gas/oil central heating boilers.

    What was the old timer?
     
  5. ianmcd

    ianmcd

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    Why would you need a neutral out ?, the stat switches on the live not on both
     
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