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Old 09-14-2011, 09:55 PM   #1
Flyin
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I'm starting my control box build & plan to have both 120v & 220v control systems in it. Can I run both at the same time in a keggle for 7500w or is there a reason this should not be done?

 
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Old 09-14-2011, 10:26 PM   #2
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FWIW - I run a 240v/4500W ripp element and I get from sparge temp to boil in more than enough time to keep up with removing hot break. IMO- it' not needed.

 
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Old 09-14-2011, 10:46 PM   #3
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He might be making larger batches than you.

As for the original question: yes, you can do this. You just need a separate SSR for the 120v element and a separate power cord out to the kettle.
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Old 09-15-2011, 12:43 AM   #4
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I boil 13 gallons with a target of just above 10 into the fermentor and I'm pulling about 20-24 amps. I also turn on my BK element on as soon as it's covered. I would say 15-20 minutes from the time I'm done sparging. The temp ramp is from 170-207 degrees to boil.

Every rig is unique. My only recommendation is if you are boiling indoors or in the basement like I do, consider good ventilation.

 
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Old 09-15-2011, 01:00 AM   #5
Flyin
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Just to be clear, 120v is not split off the 240v, I'm planing to run 2 cords to the wall, one for 120v/20a & the other for 240v/30a. Two complete & individual control systems sharing a common box & able to brew as 4 systems:

3g/120v/2000w (240v not available)
5g/240v/5500w
3g & 5g same time
keggle with both elements

Maybe a stoopid question but I can't remember seeing 120v & 240v in the same BK.

 
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Old 09-15-2011, 01:06 AM   #6
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It's totally doable but in my opinion it's extra hardware including SSR's and temp controllers to run two separate elements. If 8 gallon is the most you're boiling you don't need two elements.

 
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Old 09-15-2011, 01:09 AM   #7
Flyin
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Most likely only the 3g indoors.

Edit:
I'm slow, 10g finish in the keggle.

 
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Old 09-15-2011, 01:19 AM   #8
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Evaporation for me is huge so I put some thought into ventilation.

 
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Old 09-16-2011, 01:31 AM   #9
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I also see no reason for 2 elements. A 5500watt element can easily boil 10 or 3 gallons. You just need some sort of controller for it.

 
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Old 09-16-2011, 03:45 AM   #10
Flyin
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The 120v system is for brewing in my apartment where 240v is not available. I already have the PIDs, kettles, elements, SSRs for both systems. If 7500w is available why not use it.

 
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