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Thread: Heater Code

  1. #1
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    Heater Code

    Please check my program. I have two heaters on one outlet for this. Its basic but I would like any feedback and suggestions if there is something I could do better.

    Fallback OFF
    If Temp < 76.9 Then ON
    If Temp > 77.5 Then OFF
    If Temp < 50.0 Then OFF

  2. #2
    Luthier mmn's Avatar
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    Not sure why you have that last statement. It should work ok, but I actually use two outlets. The first is like yours without the last statement and the second simply triggers off the first.
    <Heat150>
    Fallback OFF
    Set OFF
    If Outlet Heat300 = ON Then ON

  3. #3
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    Quote Originally Posted by mmn View Post
    Not sure why you have that last statement. It should work ok, but I actually use two outlets. The first is like yours without the last statement and the second simply triggers off the first.
    <Heat150>
    Fallback OFF
    Set OFF
    If Outlet Heat300 = ON Then ON
    The last statement is a failsafe. I read on here that if the temp probe fails, it will fail at 20 degrees. So if the temp probe reads less than 50 it will signal a temp probe failure and turn off the heater.

  4. #4
    Luthier mmn's Avatar
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    Quote Originally Posted by Nola26 View Post
    The last statement is a failsafe. I read on here that if the temp probe fails, it will fail at 20 degrees. So if the temp probe reads less than 50 it will signal a temp probe failure and turn off the heater.
    Ah,ok, then you probably have something in your alerts also?

  5. #5
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    I recommend setting the failsafe to default to on and set the heater Thermostat(s) one degree higher than your a temp probe off setting. If the Apex fails or looses the energy bar, if it defaults to off, it can get cold in a hurry. But if you have it set to on and the Apex fails, you just revert to the Thermostats in the heaters as temp control. For example, if you set the apex to on at 79. 5 and off at 80, and have the heaters set at 81, then an Apex failure will just result in the heaters operating the way they would if you didn't have a controller. They would keep the temp at 81 . Even if you have an alert, one degree warmer beats temp dropping to 70 by the time you can get home.

  6. #6
    Master Control Freak aquamanic's Avatar
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    I recommend setting the failsafe to default to on
    ONLY if the heater has its own t-stat. Some like Finnex do not and rely on an external controller. In those cases, you must set Fallback to OFF.
    Al

    I do not work for Neptune. Please do not send me PMs with technical questions or requesting assistance - use the forums!
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