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Thread: ATO Reservoir Sensor Help

  1. #1
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    ATO Reservoir Sensor Help

    Yesterday I hooked up my ATK and also put an extra sensor in my ATO reservoir. This morning I woke up to alarms that the reservoir level was low, however upon inspection it was not.

    I have the optical sensor plugged into port 3 of my FMM and the sensor is facing down (if that matters any?) in the reservoir about 4 inches or so from bottom.

    Here's my code in the email alarm (I've added comments in line to explain each setting)

    Set OFF
    If Swx4_4 CLOSED Then ON //Code for Leak Detector//
    If Error ATO4_1 Then ON //Not sure what this is, I believe it was added from when I setup the ATK with the Task?
    If Swx4_2 CLOSED Then ON //This is the HI optic sensor for my ATK. I'd like to be alerted if first sensor failed and this one goes to ON state.
    If Swx4_3 OPEN Then ON //This is the optic sensor in my ATO reservoir that this thread is regarding.
    If Tmp > 80.0 Then ON
    If Tmp < 78.0 Then ON

  2. #2
    Frequent Contributor zombie's Avatar
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    Add this to the email alarm

    Defer 000:10 Then ON
    Defer 000:04 Then OFF


    This will prevent false alarms from noise spikes or waves and will let alarms that are active "ride through" a noise spike or wave so you don't get bombarded with txts

    You might be an engineer if...You have no life and can prove it mathematically.

  3. #3
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    Didn't I read in the forums you want sensor horizontal or facing up?

  4. #4
    Frequent Contributor zombie's Avatar
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    Quote Originally Posted by Mical View Post
    Didn't I read in the forums you want sensor horizontal or facing up?
    Yes. Good catch. I didn't notice that in my quick skim.

    You might be an engineer if...You have no life and can prove it mathematically.

  5. #5
    Frequent Contributor zombie's Avatar
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    Also the if error statement that you have is there to let you know if your ATO ever runs too long and locks itself in manual OFF.

    I would also suggest renaming your switches to something meaningful so you don't forget what is what 6 months from now when you get an alarm that you might not recognize.

    You might be an engineer if...You have no life and can prove it mathematically.

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