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Old 08-08-2016, 05:52 AM   #1
Join Date: Dec 2015
Location: Rochester, NY
Posts: 45
Year: 2005
Coachwork: Blue Bird
Chassis: Ford E-450
Designing My Solar/Electrical System

I'm not experienced with electrical systems at all... but that's what my skoolie build is all about, learning! I'm a bit of a tech geek and I don't plan on installing a propane system of any kind, so my solar setup is fairly beefy from what I've seen on other short bus skoolie's.

For now, this layout is just to make sure I'm not missing any components and that I'm understanding how everything works and goes together. Next step will be detailing the wiring. Any and all suggestions or comments are appreciated! I've been reading a ton, but a lot more to learn.

1) 6 x 100W Solar Panels - 600W Total
2) Small Breaker Box - 1 breaker between panels/controller, 1 breaker between controller/battery bank
3) Victron MPPT Charge Controller 100V / 50A
4) 4 x Trojan T105 AGM 6V 225ah (900ah total) (wired to 12v)
5) Victron BMV-702 Battery Monitor / Shunt
6) Victron Multiplus 12V/3000W Inverter / Charger
7) Victron Color Control Monitor
7) 110V AC Breaker Box
110V AC Outlets for Appliances
9) 12V Fuse Block for 12V Appliances
10) 50A Power Inlet for Shore Power

Accidentally labeled 7) twice, but you get the idea...

I really love the Victron functionality and hardware from everything I've read so far. The ability to combine solar/battery/shore power is awesome. And the control monitor is really slick looking.
mattbus is offline   Reply With Quote
Old 08-08-2016, 08:25 AM   #2
Join Date: Feb 2014
Posts: 148
Racking for the panels and cabling for the 12v system should also be included in your list as I think they are of high enough expense not to be considered misc. hardware. IMO.

Depending upon where in the world you will be running this system, if you plan to use the microwave and other 1k watt draw items very much, you best get a few more batteries.

Are you going with the 100 watt panels for space constraints, or durability issues, over the larger 200+ watt panels?

There will be various opinions on inverter sizing. If you do not wish to be very actively involved with operation when on solar, then one of the local to me retailers and installers suggests inverter sizing to be double your max watt draw estimation. I disagree with this, but I am not in the field nor any sort of even amateur much less expert. A brand and model that is considered to be good, has a static consumption of over 75 watts.
I personally would rather be involved in the operation and would have 2 inverters, so I can run a small one when lights and computer are all that is needed, and a larger one when higher draw is required. But then, I have no issues with changing my life schedule to make the most of the power available. Some people do not wish to do that.
Deezl Smoke is offline   Reply With Quote

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