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diy solar

my updated system diagram. submitted for your approval.

starchy

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attached are my new diagram w/ the panels now arranged in 3s4p, a maybe overkill solar charge controller and my panel specs. did i forget anything? also, when i mount 'em how careful do i need to be to cover 'em lest they produce power that goes nowhere or damages the panels?
 

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Hard to tell from your drawing of that 50 amp fuse, but it does not look like the inverter is fused.
 
the 50 amp fuse is between the inverter and scc
@starchy The inverter, battery pack and system side of the solar charge controller are all in parallel.
The most orthodox way to arrange that is with busbars.

Considering that 3000 watt inverter's draw, this is a good option

The battery pack should be fused as close to the positive terminal as possible.
All the other components are fused at the busbar.

Its good to have a means of disconnect between the solar charge controller and the panels.
You might also want one between the battery pack and the positive busbar.
 
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the 50 amp fuse is between the inverter and scc

Yes, but there probably should be one between the inverter and the battery. As it is drawn if the inverter shorts, you have no protection for the batteries. Yes, the inverter may have it's own internal fuse, but lets say one of the cables comes loose and shorts against the other. It won't be pretty.
 
Not familiar with that blue box thing.

<edit> I see it is just a bus bar. I personally think it is a waste of money.
 
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I would be inclined to go 4s3p or even 6s2p on the panels if you are under 150v. Mostly for simplicity and lower amps to create energy loss. Will work good as is.
 
The main and inverter fuses need to be way big.
3000 ac watts / .85 conversion factor / 12 volts = 294.117647059 service amps
294.117647059 service amps / .8 fuse headroom = 367.647058824 fault amps
Go with a 400 amp fuses for the battery and the inverter.
 
@starchy The inverter, battery pack and system side of the solar charge controller are all in parallel.
The most orthodox way to arrange that is with busbars.

Considering that 3000 watt inverter's draw, this is a good option

The battery pack should be fused as close to the positive terminal as possible.
All the other components are fused at the busbar.

Its good to have a means of disconnect between the solar charge controller and the panels.
You might also want one between the battery pack and the positive busbar.
Sorry @starchy I specified the wrong bit of kit.
You want the lynx distributor.
 
I would be inclined to go 4s3p or even 6s2p on the panels if you are under 150v. Mostly for simplicity and lower amps to create energy loss. Will work good as is.
hm, yeah it's just that they're arranged in rows of 3. limited roof space, so, no other arrangement possible.
 
ok, changed to reflect the general consensus here:
 

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Now your drawing says #4awg between the battery and lynx.
It needs to be 4/0awg between the battery and the lynx and between the lynx and the inverter.
 
updated w/ shunt and 400amp fuse at the fuse block
 

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The fuse between the fuse block and the lynx should be no more than 100 amps.
To consolidate your BOM=bill of materials you can put a 100 amp fuse between the solar charge controller and the lynx.
That means you can buy 3 100 amp fuses and have 1 spare.
Instead of buying 2x 50 and 2x 100 amp fuses.
 
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