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Thread: ATO/AWC Programming

  1. #1
    Regular Vistor
    Join Date
    Oct 2017
    Location
    San Diego, Ca
    Posts
    22

    ATO/AWC Programming

    Previously, Mr. Zombie had helped me setup my programming for my AWC and it worked great. I'm trying to incorporate my ATO and I'm having some issues. My setup is as follows. I have an outdoor storage tank with mixed SW, I have a solenoid valve for my RO/DI ATO water, and i have a PMUP in the last chamber of my sump for SW out.

    The issues i have is the SW IN pump cycling on and off as it refills, not sure if this is a big deal but it looks worrisome in the log! Also the ATO doesn't seem to run at all now, before adding the last line it would run during the SW IN program.

    If anyone could help me out it would be much appreciated, also if you see anywhere I could add any failsafes or clean it up I'm definitely open to suggestion (right now, the float valve on the neptune ATO module is my only real failsafe. But that doesn't stop SW OUT from
    running til the tank is empty )

    This is what I have...

    SW IN
    Fallback OFF
    OSC 001:00/005:00/114:00 Then ON
    If OPTHI CLOSED Then OFF
    If SWSTOR OPEN Then OFF (this is the optical sensor in my storage tank)

    SW OUT
    Fallback OFF
    OSC 000:00/001:00/119:00 Then ON
    If SWSTOR OPEN Then OFF


    ATO (I couldn't figure out how to make it so this doesn't run during either the SW IN or SW OUT program, so I added the Defer 003:30 then ON line, and now it doesn't seem to run at all.)
    Fallback OFF
    If Output SW_IN = ON Then OFF
    If Output SW_OUT = ON Then OFF
    If OPTHI CLOSED Then OFF
    If OPTHI OPEN Then ON
    Defer 003:30 Then ON

  2. #2
    Frequent Contributor zombie's Avatar
    Join Date
    Dec 2013
    Location
    Denver, CO
    Posts
    13,176
    This will do it and I added a few failsafes and filters. This will go to manual OFF if the ATO tries to run more than 5 minutes in one fill.

    Fallback OFF
    Set OFF
    If OPTHI OPEN Then ON
    If Output SW_IN = ON Then OFF
    If Output SW_OUT = ON Then OFF
    Defer 001:00 Then ON
    Defer 000:10 Then OFF
    Min Time 030:00 Then OFF
    When On > 005:00 Then OFF



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

  3. #3
    Regular Vistor
    Join Date
    Oct 2017
    Location
    San Diego, Ca
    Posts
    22
    Thanks again!

    Is there a way to set SW OUT to check if the low optical sensor is open prior to running but not to care about the optical sensor while its on?

  4. #4
    Frequent Contributor zombie's Avatar
    Join Date
    Dec 2013
    Location
    Denver, CO
    Posts
    13,176
    I think this would do it.

    BlockAWC
    OSC 119:58/000:02/000:00 Then ON
    If OPTHI OPEN Then OFF
    Min Time 006:00 Then ON


    Add
    If Outlet BlockAWC = ON Then OFF


    To both AWC pumps. The premise of the idea is to check if OPTHI is open the two seconds preceding the change and if it is then skip that change. If you want it to make up for the change later then it will get crazy complicated and I would have to draw out logic diagrams for a while to figure that one out.

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

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