Douglefish
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When using a 240 V Heating Element, should you use 1 or 2 SSRs?
If you only use 1, will the element still be hot?
If you only use 1, will the element still be hot?
When using a 240 V Heating Element, should you use 1 or 2 SSRs?
If you only use 1, will the element still be hot?
So what is the advantage of using 2 SSRs?
This is why I have a DPST switch for each of my elements. I don't use my PID to turn my elements on and off. I simply use the PID to control temp. Hence, I only have one SSR per element. If I used the PID to turn my elements on and off, I would have two SSRs per element.
It's already been said but I would think you want a DPDT mechanical kill switch for the "real" off off.
I haven't used them. Do they not make a 2-pole SSR?
I agree. I like some indicator of true off. Call me old school but I used a definate purpose contactor for my HLT. It "clunks" on and "clunks" off and hums a bit when its on.
Do they not make a 2-pole SSR?
It's already been said but I would think you want a DPDT mechanical kill switch for the "real" off off.
when wiring up 2 ssr's for a 240 element do you run 2 wires from the controller (brewtroller in my case) terminals to the ssr or run them in series? (the 2 wire method seems logical, but i've been wrong before...)
when wiring up 2 ssr's for a 240 element do you run 2 wires from the controller (brewtroller in my case) terminals to the ssr or run them in series? (the 2 wire method seems logical, but i've been wrong before...)
Run them in parallel. a set of wires from the BCS to the first SSR and then another set of wires from the first to the second SSR.
Ok, so I was wondering. If I use two 2 SSR's on the 5500W element, do the SSR's need to be 25A each or 40A each. Since I am only putting one leg per SSR is the 40A necessary on each or would the 25A be sufficient. Of course I would have heatsinks on each SSR.
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