help with upgrading to Accenta G4 from Accenta 8 Mini

Discussion in 'Alarms, CCTV & Telephones' started by reddemonic, 20 Jul 2019.

  1. reddemonic

    reddemonic

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    Hello all :)

    the old box went half knackered, opened the main panel and found a burnt resistor. (a common problem with these units)

    [​IMG]

    then i went on amazon and bought a new replacement unit.

    [​IMG]

    from plastic moulding and internal box, the layout is the same, just the PCB has been refreshed.

    [​IMG]

    one thing I noticed the old PCB has few labels different than the new PCB:

    [​IMG]

    25 26 27
    13v Set
    + - +


    can anyone help me where to put these wires on the new PCB and what are they for?

    Many Thanks :)
     
  2. reddemonic

    reddemonic

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    i think i got it now, 13v has moved to the middle and "-" is 0v"

    what is SCB, why is it on the new PCB is shorted by default?
     
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  4. Matt W

    Matt W

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    Hi SCB is for the alarm bell box outside.
    The two terminals are linked by default as they provide tamper protection for the bell box. Take the link out and connect up wires to the G4 the same way it was connected to the Accenta 8.

    Hope this helps.

    Regards,
    Matt.
     
  5. reddemonic

    reddemonic

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    excellent, thank you Matt for the explanation. will keep this post open if I need more help.
     
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  7. Matt W

    Matt W

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    Your welcome, hope it gets sorted.
     
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