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Thread: PIR Problems

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    Default PIR Problems

    Hi Guys,

    Tried adding a hardwire Pir to my Ness System, Power is cool and i must be missing something REALLY simple. The zone only seal when there is Movement!! when i stop moving, it seals.

    I have added the 2.2K resistor to the NC jumpers in the PIR and the wires to the C and zone 9?

    what am i missing :O



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    Sounds like you've wired the resistor in parallel with the zone. Needs to be in series.

    + terminal of PIR to Aux + on panel
    - terminal of PIR to Aux - on panel
    NC terminal of PIR to zone terminal on panel
    C terminal on PIR resistor
    T1 terminal on PIR resistor
    T2 terminal on PIR to C on panel

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    They don't have descriptions on the PCB's so its a bit of a mystery. See my photos.
    Should the resister be on the panel, or the PIR?




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    Default

    You've wired the PIR wrong.

    The resistor must be in the PIR for End-of-line operation.

    If you look at the PCB of the PIR you will have the following terminals;

    +12v - Positive (red wire)
    0v - Negative (black wire)
    AL - Alarm Contact (blue wire)
    AL - Alarm Contact (one side of the resistor)
    Tamper - Tamper contact (other side of the resistor)
    Tamper - Tamper contact (beige wire)

    Looking at your picture - you need to move the beige wire to the other Tamper contact.

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    Default Pir

    So i have the power terminals sorter, the PIR has power.

    I'm not connecting the PIR tamper (for the moment)

    I have the blue wire coming from Z9 (zone 9) on the panel into the PCB of the PIR
    I have the Green wire coming from the (c) Common? on the panel (where there is also a shared resistor for radio zone 10) and the other end going into the PCB on the panel.

    Are the resisors polarity protected? .... what am i doing wrong

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    Default

    Resistors are not polarity protected! This anda few other basics are what you have missed - as you said really simple things.

    Your picture had Resistor in parallel with NC terminals = only sealed when movement... needs to be in series with the NC terminals - hence the wiring descriptions from Drift and intelliGEORGE in their replies...

    Just try it like that and see. If you do not want the tamper in play put both the beige wire and the other side of the resistor in the same Tamper terminal.

    Maybe an alarm technician should be called to come and check it out and while there they could give the whole system a check over, full test and service also - how long since battery changed etc.

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    I'm getting an alarm tech out in a month or so to do some CCTV wiring, but until then i would really like the PIR up and working.

    Does anyone have a ness system, they could perhaps send me a photo of how it's wired? I would be really appreciative.

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    Default

    Quote Originally Posted by intelliGEORGE View Post
    You've wired the PIR wrong.

    The resistor must be in the PIR for End-of-line operation.

    If you look at the PCB of the PIR you will have the following terminals;

    +12v - Positive (red wire)
    0v - Negative (black wire)
    AL - Alarm Contact (blue wire)
    AL - Alarm Contact (one side of the resistor)
    Tamper - Tamper contact (other side of the resistor)
    Tamper - Tamper contact (beige wire)

    Looking at your picture - you need to move the beige wire to the other Tamper contact.
    You have already been told how to do it

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