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Old 07-19-2021, 08:18 AM   #1
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Default Anyone have any thoughts on my wire diagram?

Hello, So I decided to rewire my entire battery/charging system. I have come up with this diagram to help me keep everything organized. Any one have any thoughts?
I plan on using proper marine tinned wires, and correct gauge sizing as well. I just need to know for sure what I have come up with is ok
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Old 07-19-2021, 11:59 AM   #2
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I would run the negative to the engine block directly from the batteries instead of from the negative buss bar.
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Old 07-19-2021, 04:48 PM   #3
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Bilge pump needs to be connected straight to the batteries not through a switch.
Look to complicated to me.
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Old 07-19-2021, 06:01 PM   #4
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I would run the negative to the engine block directly from the batteries instead of from the negative buss bar.

Ok, that makes more sense. Ill add an additional cable. Ive got all materials and hydraulic cable crimper to make custom lengths. Iíll have all the cables neatly tucked, labled.

Any other thoughts? Or all looks good?
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Old 07-19-2021, 06:03 PM   #5
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Bilge pump needs to be connected straight to the batteries not through a switch.
Look to complicated to me.
Don
Ive got it connected to the same stud terminal ad the cable coming from the battery. I do have a inline 5amp fuse tho
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Old 07-19-2021, 07:40 PM   #6
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Ok, that makes more sense. Ill add an additional cable. Ive got all materials and hydraulic cable crimper to make custom lengths. Iíll have all the cables neatly tucked, labled.

Any other thoughts? Or all looks good?
Is your battery charger a dual bank? If so I would run each banks output to either the batteries directly or to batt 1 and batt 2 of the selector switch.
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Old 07-19-2021, 09:00 PM   #7
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I donít believe itís duel, thatís why Iíve got it to charge the house side, and then let the alternator charge the start battery with a Blue Sea system acr
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Old 07-19-2021, 09:05 PM   #8
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Oops forgot to put, itís a true power combination 2000 pure sine waveÖ.Inverter/Charger. I know Iíve seen set ups where they have this inverter plus an additional battery charger, I havenít had the pleasure of taking the boat out and beating the crap out of the house batteries yet, I want to see if I will really need a bigger battery charger.
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Old 07-19-2021, 10:07 PM   #9
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Guess youíll find out.
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Old 07-20-2021, 02:23 AM   #10
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Guess youíll find out.

Also is it necessary to fuse the cables coming from the ACR (the +)to the battery, since I will have a fuse on the negative for the ACR is it really necessary to fuse the other ones?


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Old 07-20-2021, 11:07 AM   #11
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DC side looks ok. For the AC side, are you redirecting your shore power to the inverter and then using the inverter to pass-thru current when plugged in?

You are missing the bonding connection between the AC panel , the Ac output ground and the inverters case earth (which you do show going to the neg buss/engine block).
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Old 07-20-2021, 11:52 AM   #12
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Also is it necessary to fuse the cables coming from the ACR (the +)to the battery, since I will have a fuse on the negative for the ACR is it really necessary to fuse the other ones?


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I only see one fuse in the drawing going from the house battery bank to the positive buss bar. Ignoring the bilge pump fuse that is. What does the ACR manufacturer recommend?
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Old 07-21-2021, 05:07 AM   #13
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DC side looks ok. For the AC side, are you redirecting your shore power to the inverter and then using the inverter to pass-thru current when plugged in?

You are missing the bonding connection between the AC panel , the Ac output ground and the inverters case earth (which you do show going to the neg buss/engine block).

Sorry for 20 questions, this is my first boat, but Iím not new to the automotive mechanical area; I do understand itís completely different from vehicles. Iím trying to do everything the correct way to keep my family and myself safe. I guess I have become very paranoid in the last couple days as I saw a news story of a boat exploding because the fart fan wasnít turned on in the engine room, and then my sister and her family were on a friends boat (all adults are in their 40ís) a few days later, and the same thing happened, they insisted the exhaust fan was on though,however it burned all of her arm hairs off, she was that damn close!

I am also connecting the TnT pump to the starter , wiring it parallel for power, unless you think thats bad. I have learned since posting this that I also need to wire my alternator to the house bat otherwise ill cause a relay cycling with the acr.
Is it overkill to put another 300anl fuse on start bat also? I have redrawn my wire diagram, when i get home Iíll snap another picÖit includes the ac panel

mmwjr:

Also is it necessary to fuse the cables coming from the ACR (the +)to the battery, since I will have a fuse on the negative for the ACR is it really necessary to fuse the other ones?

So after re-reading the manual, its only necessary to fuse the acr (+) cables incase there was physical damage caused to themÖ


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Old 07-24-2021, 05:50 PM   #14
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Sry for delay, currently in hospital for a wound that got greatly infected.. will post as soon as I can


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Old 07-24-2021, 07:30 PM   #15
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Sry for delay, currently in hospital for a wound that got greatly infected.. will post as soon as I can


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Most importantly get yourself health first.
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