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Replacing PIR Sensor - Wiring Question

  • 17-02-2024 11:59am
    #1
    homer911
    Registered Users, Registered Users 2 Posts: 5,157 ✭✭✭


    Hi, I need to replace a faulty unbranded PIR sensor and have bought a Honeywell IS312B

    The current sensor has 6 terminals marked AT (Blue), AT, + (Red), - Black), AL, AL (Yellow)

    The wires are black, blue, red and yellow with resistors connecting the second AT to first AL and first AL to second AL

    image.png


    The Honeywell sensor is marked T2, T1, NC, C, V-, V+

    From what I can make out, I need to connect the blue wire to T2, Black to V- and Red to V+, but cant make out the rest.

    image.png

    Can anyone advise?

    Post edited by homer911 on


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