First time PID user

[doug293cz]

Yes.

At top center of the pic is the prob. I normally have a perforated stainless steel plate on top of the top burner with some ceramic beads to diffuse the heat and intercept anything that falls grain, rootlets, moisture ex. And it’s not a direct heat source above the gain bed so I took it off for the photo.
Also it will be a potential place that I can do some cold smoking, but that’s a different story tho.

Is that a fan under the bottom burner? If so, I assume it would be blowing air up into the chamber?

And @ClaudiusB 's comments in the post above need to be addressed.

Brew on

 

[user 345769]

thermocouple extension wires.

I will look in to that, thank you.

Is that a fan under the bottom burner? If so, I assume it would be blowing air up into the chamber?

That is correct.

 

[ClaudiusB]

@Miss Blueberry Hoppy, I like to label all my wires to make troubleshooting easier in the future regardless of project size. This way, I won't pull on wires and end up with a mess.
Simple wire labels are available at Home Depot.
Attached are a few pics showing what I do and different brewing projects.

 

[user 345769]

@Miss Blueberry Hoppy, I like to label all my wires to make troubleshooting easier in the future regardless of project size. This way, I won't pull on wires and end up with a mess.
Simple wire labels are available at Home Depot.
Attached are a few pics showing what I do and different brewing projects.

Oh, WOW so neat and tidy. I try lol.

 

[user 345769]

what do you all think, from a safety standpoint should I put one of these on?

 

[ClaudiusB]

what do you all think, from a safety standpoint should I put one of these on?

I installed one in my incubator in case the heater SSR goes by.

 

[doug293cz]

what do you all think, from a safety standpoint should I put one of these on?

From a safety standpoint, all your components, and the wiring connecting them should either be in a plastic, or grounded metal, enclosure.

As for your temp over and undershoot issue, you should run the self-tuning mode program with the chamber loaded with grain as for a real run. This should do a decent job of optimizing the PID parameters. One issue you may have is that it takes a while for the added or lost heat to register with the thermocouple. So, that the element stays on too high even after the set temp has been reached, and then stays off/too-low for too long as the chamber cools down. Locating the active tip ot the thermocouple closer to the elements can reduce the response time lag, and decrease over/undershoot.

Brew on