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rmoody
Joined: 28 Dec 2013 Posts: 34
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Link Posted: Sat Jan 25, 2014 5:03 pm Post subject: Wiring 6 AWG to SSR |
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For all the 50A builders, how are you connecting the 6 AWG cable to the SSRs? Are you using crimp on ring terminals or mechanical terminals or what? Anyone able to put up a picture of a closeup of the connections? If you are using crimp on terminals, did you have to purchase a special purpose crimping tool? And if so, what did you use and how much was the cost? Thanks.
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Jerz
Joined: 17 Nov 2013 Posts: 235 Location: Canton, Georgia
Drinking: Rye IPA (brewed a year and a half ago)
Working on: ESB
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Link Posted: Sat Jan 25, 2014 5:33 pm Post subject: |
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I crimped mine... I got the DIY kit and it came with bare ring terminals and I used a standard crimp tool...
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_________________ Jerz
Head Brewer and #1 Consumer
2dogsBrewing - Canton, GA
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matt6150
Joined: 07 Jan 2013 Posts: 31
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Link Posted: Sun Jan 26, 2014 5:31 pm Post subject: |
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Why would you need 6awg going to the SSR's? For a 5500w element?
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rmoody
Joined: 28 Dec 2013 Posts: 34
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Link Posted: Sun Jan 26, 2014 5:58 pm Post subject: |
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matt6150 wrote: | Why would you need 6awg going to the SSR's? For a 5500w element? |
Because two elements will be driven at the same time and because a single wire will be feeding power to both SSRs at the same time. When both elements are on, it will be drawing over 30 amps. Also, because the plans state so, see either of the 50A plan FAQs (Back to Back, or the 30+ gal).
I suppose I could wire them up differently. Run two 10 AWG wires from the 50A contactor to each of the SSR's as each SSR will be pulling only around 30A. It would require a little more wire, but I have extra wire. Anyone wish to opine on this idea?
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Jerz
Joined: 17 Nov 2013 Posts: 235 Location: Canton, Georgia
Drinking: Rye IPA (brewed a year and a half ago)
Working on: ESB
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Link Posted: Sun Jan 26, 2014 6:01 pm Post subject: |
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matt6150 wrote: | Why would you need 6awg going to the SSR's? For a 5500w element? |
You don't for one but you do if you have TWO 5500 watt elements per SSR. I have the 50A Panel for 30+ Gallon Batches so I'm future proof. I figured for an extra few hundred bucks why not have the potential to go for 30+ gallon batches? Eventually I'll make another set of the Blichman pots starting out with the 55 Gallon Ones and then getting the extension turning it into a 100 gallon pot for 60 gallon batches
_________________ Jerz
Head Brewer and #1 Consumer
2dogsBrewing - Canton, GA
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kal Forum Administrator
Joined: 12 Dec 2010 Posts: 11121 Location: Ottawa, Canada
Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter
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matt6150
Joined: 07 Jan 2013 Posts: 31
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Link Posted: Mon Jan 27, 2014 12:21 am Post subject: |
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Uh, I see. Well to be honest I had never looked at the wiring diagrams before, but I guess that is one way of doing it. I used to wire a lot of large panels for a living. And the standard most of the time would be that when the main power would come in it would go to a contactor or breaker and get distributed from there. This is the basic thought process I used when I laid out my panel. Very minimal 6awg having to run throughout the panel this way. But in Jerz situation where he plans on running 2 5500w elements someday, yeah I get that. Here's a shot of how I have my power coming in.
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rmoody
Joined: 28 Dec 2013 Posts: 34
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Link Posted: Mon Jan 27, 2014 12:43 am Post subject: |
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For the most part that is how it's run. After the main power connection in the panel there is a contactor. Smaller gauge wire runs through a 7 amp fuse and then to a terminal strip to provide power to the pilot lights, PIDs, pumps, timer etc. It also then goes to the SSRs and to the contactors for the elements.
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Jerz
Joined: 17 Nov 2013 Posts: 235 Location: Canton, Georgia
Drinking: Rye IPA (brewed a year and a half ago)
Working on: ESB
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Link Posted: Mon Jan 27, 2014 1:18 am Post subject: |
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matt6150 wrote: | Uh, I see. Well to be honest I had never looked at the wiring diagrams before, but I guess that is one way of doing it. I used to wire a lot of large panels for a living. And the standard most of the time would be that when the main power would come in it would go to a contactor or breaker and get distributed from there. This is the basic thought process I used when I laid out my panel. Very minimal 6awg having to run throughout the panel this way. But in Jerz situation where he plans on running 2 5500w elements someday, yeah I get that. Here's a shot of how I have my power coming in.
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That looks nice! I don't particularly care for the way the #6 connects to the ssr's and would prefer a lug... I put two #6 pedestal lugs on the shunt but they wouldn't work on the SSR's...
_________________ Jerz
Head Brewer and #1 Consumer
2dogsBrewing - Canton, GA
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rmoody
Joined: 28 Dec 2013 Posts: 34
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Link Posted: Mon Jan 27, 2014 1:37 am Post subject: |
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Quote: | That looks nice! I don't particularly care for the way the #6 connects to the ssr's and would prefer a lug... I put two #6 pedestal lugs on the shunt but they wouldn't work on the SSR's... |
What I don't get is if the SSR is capable of carrying 40 or even 80 amps (which is what I have), you would think that the connections would be capable of connecting the cable needed to carry that level of current. I think my idea of running two 10 AWG wires from the main contactor to the SSRs will be easier to deal with since 10 AWG ring terminals can be crimped with ease.
What's a "pedestal lug"?
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Jerz
Joined: 17 Nov 2013 Posts: 235 Location: Canton, Georgia
Drinking: Rye IPA (brewed a year and a half ago)
Working on: ESB
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