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Thread: Please review programming for ATO Reservoir

  1. #1
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    Please review programming for ATO Reservoir

    Hello, I'm certain there are better ways to program this, and I'm not even sure if what I've done is correct. What I'm trying to achieve is a fail safe shut off for ATO pump in reservoir set for 60-120 mins after float switch opens indicating low reservoir level. I manually fill my reservoir and have this float switch installed mainly as a notification that it's time to replenish the container. The switch is not installed so low that immediate action is required - I could probably go another 12-24 hours before the pump would run dry. Here's my program for both the ATO and a VO tied to the ATO outlet. My ATO is a stand-alone dual switch unit from AutoTopOff.com. Thanks in advance.

    ATO
    Fallback OFF
    Set ON
    If FeedA 000 Then OFF
    If FeedB 000 Then OFF
    If FeedC 000 Then OFF
    If FeedD 000 Then OFF
    If Output Eheim_Feed = ON Then OFF
    If Output ATO_Res = ON Then ON

    ATO_Res (Virtual)
    If ATOFlt OPEN Then OFF
    Defer 120:00 Then OFF

  2. #2
    Frequent Contributor zombie's Avatar
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    Assuming your low reservoir closes when low.

    ATO
    Fallback OFF
    Set ON
    If FeedA 000 Then OFF
    If FeedB 000 Then OFF
    If FeedC 000 Then OFF
    If FeedD 000 Then OFF
    If Output Eheim_Feed = ON Then OFF
    If Output ATO_Res = ON Then OFF

    ATO_Res (Virtual)
    Set OFF
    If ATOFlt CLOSED Then ON
    Defer 120:00 Then ON



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  3. #3
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    Thanks, greatly appreciated!

  4. #4
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    Please help [again] Zombie!

    In a somewhat related switch topic - I have a normally open switch in my skimmer cup that closes when a skimmer overflow occurs and shuts down the skimmer. I already have a general defer statement for my skimmer of 3 mins. I'd like to program another separate VO to defer (or min time) and keep the skimmer off for 10 minutes after I open the circuit by unplugging the float switch quick disconnect. This will give me time to empty & clean the cup w/o having to manually turn off the skimmer. I've tried all kinds of configurations and no matter what I do I can't get past the 3 minute mark of defer time before the skimmer starts up again. Below is the latest configuration I've tried. Thank you!

    Skimmer
    Fallback OFF
    Set OFF
    If FeedA 003 Then OFF
    If FeedB 003 Then OFF
    If FeedC 003 Then OFF
    If FeedD 003 Then OFF
    If Output Pump = OFF Then OFF
    If Output Pump = ON Then ON
    If Output Eheim_Feed = ON Then OFF
    If Output Maint = ON Then OFF
    If SKMflt CLOSED Then OFF
    If Output Skimmr_Oflow = ON Then ON
    Defer 003:00 Then ON

    Skimer_Oflow (V/O)
    Set OFF
    If SKMflt OPEN Then OFF
    Min Time 000:10 Then OFF

  5. #5
    Frequent Contributor zombie's Avatar
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    Quote Originally Posted by goodshot View Post
    Please help [again] Zombie!

    In a somewhat related switch topic - I have a normally open switch in my skimmer cup that closes when a skimmer overflow occurs and shuts down the skimmer. I already have a general defer statement for my skimmer of 3 mins. I'd like to program another separate VO to defer (or min time) and keep the skimmer off for 10 minutes after I open the circuit by unplugging the float switch quick disconnect. This will give me time to empty & clean the cup w/o having to manually turn off the skimmer. I've tried all kinds of configurations and no matter what I do I can't get past the 3 minute mark of defer time before the skimmer starts up again. Below is the latest configuration I've tried. Thank you!

    Skimmer
    Fallback OFF
    Set OFF
    If FeedA 003 Then OFF
    If FeedB 003 Then OFF
    If FeedC 003 Then OFF
    If FeedD 003 Then OFF
    If Output Pump = OFF Then OFF
    If Output Pump = ON Then ON
    If Output Eheim_Feed = ON Then OFF
    If Output Maint = ON Then OFF
    If SKMflt CLOSED Then OFF
    If Output Skimmr_Oflow = ON Then ON
    Defer 003:00 Then ON

    Skimer_Oflow (V/O)
    Set OFF
    If SKMflt OPEN Then OFF
    Min Time 000:10 Then OFF
    Change your VO to this to get exactly 10 minutes.

    Skimer_Oflow (V/O)
    Set OFF
    If SKMflt CLOSED Then ON
    Defer 007:00 Then OFF

    Sent from my SM-G965U using Tapatalk

  6. #6
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    Thanks. The "If SKMflt CLOSED Then ON" line has to be OFF in order to shut down the skimmer otherwise it just stays on. I also tried using a defer statement before and still couldn't get it to stay off for more than 3 mins. I just tried it as you had recommended (except changing the ON to OFF) and I still get 3 mins off, no more.

  7. #7
    Frequent Contributor zombie's Avatar
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    Quote Originally Posted by goodshot View Post
    Thanks. The "If SKMflt CLOSED Then ON" line has to be OFF in order to shut down the skimmer otherwise it just stays on. I also tried using a defer statement before and still couldn't get it to stay off for more than 3 mins. I just tried it as you had recommended (except changing the ON to OFF) and I still get 3 mins off, no more.
    Does your float OPEN or CLOSE when it's full? If it opens, use the same thing I gave you but replace CLOSED Then OPEN.

    I also forgot to mention that your callout in the skimmer code needs to be Then OFF not ON

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  8. #8
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    That float is normally open & closes when cup is full. I switched the skimmer callout as you mentioned and it's now working as I visioned. Man, I wish I had half the knowledge & understanding that you have for this stuff. I know you take a lot of time helping just about anyone who posts a programming question/issue, and I for one am very appreciative! Thanks again.

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