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Thread: Adding Solar to Pre-wired 21BHE
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04-20-2021, 10:01 AM #1
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Adding Solar to Pre-wired 21BHE
Hello,
I searched around for an answer before posting but didn't see anything. I'm new to RVing and this is my first post... So the 2021 21BHE is pre-wired for solar. Inside the pass through there's a 'pre wired solar' container with 2 sets of wires - I assume one runs from the solar port on the roof, and the other to the battery. I checked and indeed one set registered 12.8V on my volt meter so that runs to the battery. I want to add 2 x 100W solar panels, so I bought a 20A charge controller. On the charge controller there are 3 connections - one to solar, one to battery, and one to 'power' the RV components. So my question is, do I need to connect the 'power' (lightbulb icon) on the charge controller? And if so, where do I find these wires? (The technician at the dealer said I wouldn't need a charge controller if I stayed below 190W - but my two panels together are 200W.)
I noticed that fore each set of wires, one is both red and black, and the other is red... wondering why? I assumed the pure red is positive - and the volt meter confirmed that. But why a black/red combo on the same wire, instead of just one black, and one red wire?
Thanks in advance for any help for this newbie.
New Grand Designer Owner to be
Today, 01:11 AM in General Discussion