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Home Brew Forums > Home Brewing Beer > Electric Brewing > Controlling four 5500w heating elements on one PID
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Old 02-06-2014, 06:23 PM   #11
Brumateur
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Originally Posted by augiedoggy View Post
Ok, I remember some youtube videos of the cheap pids not being able to reliably drive an ssr and made a bad assumption here. perhaps those were actually intended to be set up as relay driven pids
You are right. There are lots of different PIDs and SSRs on a market. So there is no guarantee that any PID will work with any 4 SSRs.
One solution is to use extra 12V power supply and board like this - http://www.ebay.ca/itm/ULN2003AN-ULN...-/181013746136

This way you can drive 10+ SSRs from any PID with SSR output.
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Old 02-08-2014, 01:20 AM   #12
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Thanks guys for the valuable info. To answer one of the questions, this is going into some small little building out in the middle of nowhere that is zoned industrial to give me the opportunity to expand at later date to possibly sell my beer.

I havev a couple 110 gallon conicals to play with as well. I just need to figure out how to get it all hooked up. Brewing at 1/2 barrel batches at home is easy. This is a realm that I am somewhat confused about because even the simplest electrical setup is confusing to me.

Once I figure out to hook it up, I am sure that I can make beer with it. I just have to get to that point...

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Old 02-08-2014, 05:39 AM   #13
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Ah, industrial building. Can't say without knowing the feed available to you and each element's voltage.

It is most likely one of those: 208/120 1ph, 208/120 3ph, 240/120 1ph, 240/120 3ph delta or 480 3ph.

Relays have almost zero loss, but they can't be used with all control algorithm.

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Old 02-10-2014, 04:19 PM   #14
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I'd be pretty suspect that this was residential. Who's brewing 2BBL batches at home?

People who only want to brew once a year?
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Old 02-10-2014, 04:23 PM   #15
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A word of advice to the OP...

Save yourself a lot of heating time and money...insulate the vessels!

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Old 02-13-2014, 09:08 PM   #16
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subscribed. I had this very same question.

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