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Home Brew Forums > Home Brewing Beer > Electric Brewing > Wiring schematic for switchable 110v/220v control panel critique needed
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Old 07-23-2011, 04:05 PM   #11
Walker
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oh. nevermind. I see in the 1st post that it's 50A. You will need to put fuses or breakers on those lines for sure.

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Old 07-24-2011, 01:48 AM   #12
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Originally Posted by Walker View Post
I noticed that, but was going to ask you what your source even was. 30A? 50A? More?




Right. You don't need the neutral from your 220V source. You don't even need to bring it into the box at all if you don't want to.



Either way is fine and there is no right or wrong way to do it.
50A breaker in the panel to a 50A spa panel in the brew room. Everything will be fused after the distribution blocks. I plan on fusing based on the equipment connected(eg .5A control fuse, 2A pump fuse, 2A gearmotor fuse, and 20, 25, & 30A element fuses), but wiring with 12ga for the 110v and 10ga for the 220v as all my wiring devices are 20A 110v and 30A 220V. Sound right?

I've got the wire already so I'll have the neutral to the spa panel and a 4 wire range cord.
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Old 01-23-2012, 06:17 PM   #13
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Simplified my wiring and removed the fusing for the pumps and stir motors as I'll be using a 20A feeed for those. I may still pull the 110v rims from a separate circuit if I have problems. I kept the 110V 20A breaker just for additional piece of mind to act as a disconnect while I'm on 220V power. The 4 pole contactor were too much of a pain and I figured I'd only be using the rims if I was outside brewing on gas so I ditched the 110v HLT as well.
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Old 02-14-2012, 02:44 AM   #14
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Let the madness begin!!!
















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Old 11-17-2013, 06:51 PM   #15
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can you post some updates of the final system and wiring schematics? I hope to build something like this soon

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Old 11-19-2013, 04:02 AM   #16
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Backboard is wired up and that's about it.....

Hopefully will pick it back up this winter and finish it up. Ended up adding a fourth SSR and powering it independently from 120v so I didn't have to worry about flipping voltage sources with a contactor for the RIMS. I can post up a revised schematic in a few days when I get back in town.

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