Heating Element/SSR/PID

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gstein

Newbie
Original poster
Mar 10, 2017
6
10
I have a fridge converted smoker that I ran with two hot plates.  I never got above 175 which is fine because I only used it for sausage and jerky.  Well, I burned out the hot plates and would like to rebuild it in a way that allows to get to 250 for BBQ.  

I'd like to try to install a heating element for an oven, something like this:


I've been reading a lot of threads on builds with PIDs and SSRs and I have a few questions.

First, for some reason, I'd like to try to incorporate one of these instead of a digital controller.  Is there any reason this wouldn't work?


I'm thinking I could use this, along with an SSR and wire that directly to this heating element.  Will that work?  And the purpose of the SSR is to handle the amperage so that the PID doesn't have to, is that correct?

Also, I have access to a 20amp, 120 circuit.  Can I use this element even though its rated for 240 volt?  It would just only get 120 volts and I would get less wattage out of it right?  use 12 gauge wire everywhere too?

Finally, should I have some soft of fan in there to help the element work more efficiently.  I've read that a few places but I'm not sure its necessary.  

Thanks. 
 
You can use an SSVR (resistance controlled SSR) insead of the capillary controller. A simple potentiometer wires to the input side and you turn the knob to adjust voltage.

Keep in mind that a 240v element running at 120v will put out a quarter of the rated wattage. You may need to install two elements in parallel, or find one rated for 120v to get the temps you need.
 
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