UFH electrical connections problem

Discussion in 'Plumbing and Central Heating' started by Tipper, 1 Sep 2014.

  1. Tipper

    Tipper

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    Hi, I'm having to replace my UFH heating controller due to a fractured connector block broken by the hamfisted installer. I thought it would be a quick swap job but the replacement unit has this connector block fitted for various connections but I can't get the cables to hold. I've got loads of wires to fit as it's under floor heating - all those zone valves!
    I've tinned the flexes with solder to stiffen them up but as soon as I release pressure on the little square button the cable can be pulled out.
    What am I doing wrong? Is there a trick to these connectors or are they just crap?
    It's a Wavin/Jablotron AC-116.
    Thanks
    [​IMG]
     
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  3. Tipper

    Tipper

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    Sorted.

    Just needed to push really hard! I didn't initially because I didn't want to break either the connector block or the pcb.
     
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