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Thread: CO2 switch program

  1. #1
    Frequent Visitor drex's Avatar
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    CO2 switch program

    ok this is how i have my co2 outlet programmed

    fallback off
    if ph > 6.70 then on
    if ph < 6.50 then off

    or should it be like this

    fallback off
    set on
    if ph > 6.70 then on
    if ph < 6.50 then off

    it will come on and stay on and not go off is there something wrong with program

  2. #2
    Frequent Contributor zombie's Avatar
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    It should be set up like the first one (though the bounds could probably be tightened a bit depending on the setup). If it's turning ON but not turning OFF either:

    1. You didn't put the outlet in AUTO

    2. Your bubble count to output flow ratio is too low and it can't reach your OFF setpoint.

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

  3. #3
    Frequent Visitor drex's Avatar
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    got it thanks zombie

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