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Honeywell cm907 to drayton wiser hub r

Discussion in 'Plumbing and Central Heating' started by Jay stevo, 9 Jan 2021.

  1. Jay stevo

    Jay stevo

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    Hi,
    After some advice about installing a Drayton wiser hub r. I currently have a honeywell cm907 but I'm totally lost on the wiring. I've attached photos of the current wiring and the diagram provided by Drayton.
    Current wiring is brown/live to A, black to B & grey not connected.
    Thanks in advance
     

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    Last edited: 9 Jan 2021
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  3. Chris_W

    Chris_W

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    You need a permanent live and permanent neutral, along with a switch live. You could check if the grey is a neutral, and use this along with the brown (which would probably be permanent live). The black is switched.
     
  4. ianmcd

    ianmcd

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    You will need a permanent L&N to the drayton, and those two wires in your pic go to 1&3 on the Drayton , no links
     
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