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Old 11-09-2012, 01:26 AM   #11
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My comment on combined draw was not regarding the elements but the PID output. The SSR coils draw some amount of power and I'm sure the PID output isn't huge. Sounds like 2 SSRs is doable though.

I still find it odd that you have three circuits run to one room in your house. Did you have extras installed?

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Old 11-09-2012, 01:34 AM   #12
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Yes, it makes sense to me. I would emulate the 3 position switch setup Kal uses to ensure that you never try to fire all four elements at once, but I would simplify as much as possible. For example, you could just use 2 inexpensive switches (household light switches, even) to control the 2 pumps. You have some very interesting planning ahead.

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Old 11-09-2012, 01:48 AM   #13
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Oh they aren't to one room. One goes out to the garage (where ill be brewing) the second is the outside circuit for the outlet on the back of the house and the third ill run out of the house with a cord.

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Old 11-09-2012, 08:53 AM   #14
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Gotcha, makes more sense now. Don't forget to look into power loss over distance for various size extension cords and get one bigger than you need to cut down resistance. Your idea shod work though.

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Building a Bad News Brewery - eHERMS

2014:
5gal Scottish Wee Heavy
5gal Saison
15gal American Pale Ale
20gal Belgian Wit (10 dumped)


Keg 1: Apfelwein
Keg 2: Belgian Wit (Failure)
Keg 3: American Pale Ale
Fermenting: Belgian Wit (Take 2)
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Old 11-09-2012, 11:34 AM   #15
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Quote:
Originally Posted by Garyr2973 View Post
Thanks for all the replies everyone. I actually didn't think about wiring the elements in parallel but that's a great idea. I will get a bigger SSR and heat sink to match. I'd love to just go with a single bigger element but due to only having 120v, I think a single element would take forever to get water/wort to a boil. I thought about going to a single 3000w element in the HLT then adding a RIMS to help it out but I guess that won't help heating spathe and mash water will it?
Please let me weigh in a little bit. /\ You only have 120V power available. You are planning on using 3000W elements. If those elements are 120V rated elements each will draw 25A which is more than a 120V circuit can handle. If they are 240V rated elements they will only provide 750W when run on a 120V circuit. This will defeat your whole plan.

I suggest that you plan on using 1700W 120V elements bostonheatingsupply.com - SP10874KL as they will draw 14.2A each. With 2-120V circuits available this will make your system very doable. You will have enough power to have a decent boil.

BTW, if you need a diagram for such a set up, it's not all that hard to do.
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Old 11-09-2012, 10:47 PM   #16
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PJ- thank you. Your input is appreciated as always. The 3000w were 120V so yes that would put me over the 20amps. I know you make some great diagrams. I would understand it if it was 1 element and could probably figure it out but if its not too much trouble I would definitely not turn down your assistance.

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