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Thread: Fan program

  1. #1
    Control Freak Raptor72's Avatar
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    Fan program

    I had this programmed on my old EB8 but something got switched when I upgraded to the EB832.

    I’d like the sump fan to come on and off with the shown parameters. It’s not working like it used to.

  2. #2
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    How exactly is it behaving?
    What are the temps you want to turn it on and off?

    Here you have is set to turn on if above 79.5 but turn off below 85 which is cancelling it out being on anything below 85

  3. #3
    Master Control Freak RussM's Avatar
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    79.5 - 85 is an awfully wide range.. tighten that up.

    As DavidNZ pointed out, the logic is wrong. You need to configure the ON temperature at the desired level, then the OFF temp at a slightly lower point, like this:

    If Temp > 79.9 Then ON
    If Temp < 79.5 Then OFF

    The fan will turn on when the temp hits 80.0, then will stay on as the water cools until the temp has decreased to 79.4, at which time the fan will turn off. It will not come back on again unless the temperature hits 80.0.
    Please do not send me PMs with technical questions or requesting assistance - use the forums for Apex help. PM me ONLY if the matter is of a private or personal nature. Thanks.

  4. #4
    Control Freak Raptor72's Avatar
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    That sounds like what the code was before. Currently, it wasn’t turning on when it reached 80.



    Thanks.

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