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01-24-2015, 11:24 PM
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#1
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4 Rivet Member
1979 31' Excella 500
Charlevoix
, Michigan
Join Date: Aug 2014
Posts: 350
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Have I got it right? Installing Shunt for Battery Monitor
The renovation of our '79 Excella 500 continues, and today's questions to the forum'ers are about the order of components in the wiring:
- Do I have the shunt for the Battery Monitoring System positioned correctly? Or should it go on the other side of the 300A Breaker?
- Do I have the Breakers and Disconnect switches positioned correctly?
Here's my diagram:
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01-24-2015, 11:41 PM
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#2
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Rivet Master
2014 25' FB International
2007 20' Safari SE
2005 19' Safari
Qualicum Beach
, British Columbia
Join Date: Sep 2004
Posts: 1,096
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The shunt should be the last inline to the negative on the - battery pole Every other negative line should be on the other side of it.
If you go onto the Bogart Engineering site ( Trimetric) there should be a very good diagram showing the connection process.
George
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01-25-2015, 06:40 AM
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#3
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Rivet Master
2007 30' Classic
Oswego
, Illinois
Join Date: Jul 2010
Posts: 13,669
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I agree with George's statement.
__________________
-Rich-
"If the women don't find you handsome, they should at least find you handy." - Red Green
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01-25-2015, 07:07 AM
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#4
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Rivet Master
Commercial Member
Vintage Kin Owner
Naples
, Florida
Join Date: Dec 2005
Posts: 7,508
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You're getting closer........ a few corrections:
• the shunt is incorrect. The battery negative should be the only connection on side 1. All other negative loads should go to the other side of the shunt.
•you should use a class 'T' fuse ONLY for the inverter, as these have the extremely high interrupt capacity that your battery bank requires in case of a dead short. A circuit breaker doesn't have near the interrupt capacity
• the inverter disconnect and fuse should be on the POSITIVE lead to the inverter, not the negative lead
•*the class 'T' fuse should be first from the battery, then the disconnect switch down stream from the fuse, with the fuse located within 18" of the battery terminal.
That should do it!
__________________
lewster
Solar Tech Energy Systems, Inc.
Victron Solar Components and Inverters, Zamp Solar Panels, LiFeBlue and Battle Born Lithium Batteries, Lifeline AGM Batteries
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01-25-2015, 10:49 AM
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#5
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Rivet Master
1973 23' Safari
1977 23' Safari
2018 25' Flying Cloud
Palmer Lake
, Colorado
Join Date: Oct 2005
Posts: 4,092
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300A breaker to inverter and only 100A breaker to ground? What in the world is pulling 3500+ Watts out of the inverter?
Your shunt only measures charging and inverter current, not total flow.
I have no clue what your objective of such a heavy system is. I tried two batteries (230 A-H total) and found that one battery and a Honda 2000 was a better solution.
It would be interesting to know what you have installed on the electrical system.
Zep
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01-25-2015, 08:05 PM
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#6
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4 Rivet Member
1979 31' Excella 500
Charlevoix
, Michigan
Join Date: Aug 2014
Posts: 350
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Thanks everyone for pointing out the problems with my setup. I've revised my diagram to reflect the corrections:
Zeppelinium, you had asked why such a large protection mechanism on between the inverter and batterie bank. The manufacture of my inverter/charger doesn't have a requirement for the size of fuse to use with the unit, however units with similar specs recommends a 300A fuse, so I'm going with that.
Regarding what's on the electrical system... not much right now, although the "overbuilt" nature of the setup is so that when I want to add capacity or functionality (solar, microwave, etc...) the infrastructure is there I just need to swap out components. Components are easy to access in my setup, while the infrastructure wiring will not be as easy to access.
Thanks again everyone for your help! If you see any red flags with the diagram posted above, let me know; you've all been really helpful (especially you Lewster!).
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01-26-2015, 06:25 PM
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#7
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4 Rivet Member
1956 22' Flying Cloud
Dallas
, Texas
Join Date: Jan 2008
Posts: 369
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Treckerboy, I am curious about the software you used to create the graphics of your electrical system. Before long, I will need to prepare a diagram of the electrical system I need to build for my 56 Flying Cloud.
Is the software generally available (I am hoping it is in the Microsoft Office suite of programs)?
Thanks, Hank
__________________
See my 1956 Flying Cloud renovation thread.
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01-27-2015, 03:33 AM
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#8
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4 Rivet Member
1979 31' Excella 500
Charlevoix
, Michigan
Join Date: Aug 2014
Posts: 350
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Quote:
Originally Posted by RankAm
Treckerboy, I am curious about the software you used to create the graphics of your electrical system. Before long, I will need to prepare a diagram of the electrical system I need to build for my 56 Flying Cloud.
Is the software generally available (I am hoping it is in the Microsoft Office suite of programs)?
Thanks, Hank
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Hi Hank,
You could do this with PowerPoint, but I used Apple's Keynote product since I'm on a Mac. It's all just boxes, circles and snap-connect lines.
Hope this helps!
- Jason
Hope this helps!
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