2nd Element & Auber WS-1211GPH - setup query

[mpneumann]

Hi,

I just modified my Bradley digital 4 rack smoker... I added a second 500 watt heating element.  I know I need to run auto tune (i have an Auber WS-1211GPH). 

Do I need to make a change to any other PID settings (like changing 500 watts to 1000 watts)?

Thanks,
Michael

[Toker]

500 watts P=70 ( or 7 ) depending of your pid.
1000 watts P=140 ( or 14 ) depending of your pid.


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[mpneumann]

Thanks I'll try that.  I've run the auto tune and I'm getting frustrated.... the pid holds the temperature perfectly at about twenty degrees below what I set it to!   If I set it to 250, it heats to 230 and stays there. If I set it at 275, it holds around 250.  Frustrating!

[Toker]

With these settings, I have about 2-3 degrees difference


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[mpneumann]

I'll try your p value.  Any idea why it's staying 20 degrees below set value?  Seems weird

[Toker]

No sorry, I've only tried what I've been told and it worked out good.

[mpneumann]

Thanks toker, I appreciate the help.

[Toker]

All I can say is that my vent is wide open and my ambiant probe is always under the lowest rack of food. Make sure no wind or at least as possible.


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