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Old 01-02-2013, 07:56 PM   #31
slakwhere
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Dec 2009
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i just downgraded from 5500w elements to 3500w elements in my HLT and BK so i can use them at the same time on my 30A setup. this way i can heat sparge and HERMS water at the same time, as well as brew back to back batches. i did some math on this and i'm actually using MORE watts worth of heating when using both at once (7k instead of 5.5k) so my initial water should actually heat quicker and i can do the whole volume at once.

this calculator will show you what the different elements will do for a given volume of water, so you can decide if a 5500 is worth it. the diagram PJ drew you shows that you cannot use both at once, so 5500 would just mean slightly faster heating times.

http://gnipsel.com/beer/software/cal...ctric-heat.xls

15 gallons @ 4500W from 60F to 160F (100F change in temp) = 51 min
15 gallons @ 5500W from 60F to 160F (100F change in temp) = 42 min



 
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Old 01-03-2013, 03:13 AM   #32
g-love
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Jul 2010
Warfordsburg, Pennsylvania
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Slakwhere - Thanks for the link. That's exactly what I was looking for. That helps me see that 4500w elements will be plenty for what I need. Using them will help keep the cost low. The minutes saved by jumping to 5500w elements are not worth the increased cost of all the supporting parts needed.

I wasn't second guessing P-J, I hope it wasn't taken that way.


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Old 01-03-2013, 03:16 AM   #33
slakwhere
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Happy to help

 
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Old 01-03-2013, 04:59 AM   #34
P-J
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Mar 2010
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Quote:
Originally Posted by g-love View Post
Slakwhere - Thanks for the link. That's exactly what I was looking for. That helps me see that 4500w elements will be plenty for what I need. Using them will help keep the cost low. The minutes saved by jumping to 5500w elements are not worth the increased cost of all the supporting parts needed.

I wasn't second guessing P-J, I hope it wasn't taken that way.
Not a chance in any way.

Everything in these designs and builds have a HUGE 'depends' attached to them.

I just try to help with my best intent for success.

P-J

 
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Old 01-25-2013, 12:12 AM   #35
g-love
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Ok.... I'm sourcing parts and learning. I've been reading a ton and digesting as much as possible. I've got another question.

I weld for fun in my spare time. At home, I use a 110 mig, but I intend on stepping up to a better rig in the future and also buying an arc welder. So.... I would like the outlet that I wire in to be able to handle my brew rig, but also my welding needs.

So, am I looking at a 50A situation?

I am guessing I can go 50A breaker in the main panel and a spa panel, which would also be 50A. I would use 6awg between the main and the spa panel. If so, what wire do I run from the spa panel to the brew rig? Can I still get away with 10awg for that purpose?
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Old 01-25-2013, 02:33 PM   #36
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Quote:
Originally Posted by g-love View Post
I am guessing I can go 50A breaker in the main panel and a spa panel, which would also be 50A. I would use 6awg between the main and the spa panel. If so, what wire do I run from the spa panel to the brew rig? Can I still get away with 10awg for that purpose?
No, you if you went with 10awg you would need to protect it with a 30 amp breaker. If your control panel only requires 30 amps, you could run 6awg from the spa panel to the control panel, have a 30 amp breaker in the control panel, and use 10awg downstream of that breaker.

Alternatively, you could make your spa panel a plug in device, unplug it when you want to free up the 50 amp outlet to weld, plug it in for brewing. In that case, you would run 6awg to the spa panel, put an additional 30 amp breaker in the spa panel downstream of the 50 amp GFCI, and run 10awg from the spa panel to the control panel.

Have fun.

 
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Old 01-26-2013, 02:19 AM   #37
g-love
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Jeffmeh - makes total sense. Thanks for the input, it's much appreciated and the reason why I love HBT so much.
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Old 03-14-2013, 05:09 PM   #38
g-love
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P-J,

Would you be able to update my diagram with a timer added in? I was looking at the JSL-71 from auber.

http://www.auberins.com/index.php?ma...roducts_id=290

I think it'd be convenient to have it included in the CP.

Also, I've been looking at TiberBrew's build and wondering if I should be using a contactor for the elements.... Thoughts?

Thanks for your help.
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Old 03-14-2013, 10:43 PM   #39
P-J
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Quote:
Originally Posted by g-love View Post
P-J,

Would you be able to update my diagram with a timer added in? I was looking at the JSL-71 from auber.

http://www.auberins.com/index.php?ma...roducts_id=290

I think it'd be convenient to have it included in the CP.

Also, I've been looking at TiberBrew's build and wondering if I should be using a contactor for the elements.... Thoughts?

Thanks for your help.
Give me a little time to sort this one out. I'll make a new diagram for you.

P-J

 
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Old 03-14-2013, 11:13 PM   #40
g-love
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No rush. Many thanks P-J!


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