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Thread: Double Fail safe coding for ATO

  1. #1
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    Double Fail safe coding for ATO

    I have a smart ATO connected to my energy bar, question is
    Is there a way to double code it like if salinity <32 off and if it runs longer than X minutes then off

  2. #2
    Frequent Contributor zombie's Avatar
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    The cond is easy. Just add this

    If cond < 33 Then OFF
    Min Time 030:00 Then OFF


    Detecting run time is much more complex with a standalone ATO and requires a VO like this where X is a wattage between what it reads when not running and what it reads when running

    ATOtimer
    Set OFF
    If Output Outletname Watts > X Then ON
    When On > 005:00 Then ON

    Add this to the ATO

    If Output ATOtimer = ON Then OFF

    Add this to email

    If Error ATOtimer Then ON

    Sent from my SM-G965U using Tapatalk

  3. #3
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    Min Time 030:00 Then OFF

    What about turning back on? does it have to be manual or more code?

  4. #4
    Frequent Contributor zombie's Avatar
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    The outlet must be in auto to run your program.

    Min Time is to prevent short cycling. The line says if the outlet turns off it must stay off for at least 30 minutes no matter what.

    The lines and VO I gave were addition to your existing program. If you don't have an existing program, the whole thing would be

    ATOtimer (VO)
    Set OFF
    If Output Outletname Watts > X Then ON
    When On > 005:00 Then ON

    ATO outlet
    Fallback OFF
    Set ON
    If cond < 33 Then OFF
    If Output ATOtimer = ON Then OFF
    Min Time 030:00 Then OFF


    Sent from my SM-G965U using Tapatalk

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