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Old 09-20-2020, 03:30 PM   #67
byerskm
Junior Member
 
Join Date: Aug 2020
Location: Newnan
Posts: 23
Solar Ready in Pass-Thru 2021 Cougar 26RBS - UPDATE

Yesterday was the day to get all the electronics finished and installed in the pass-thru. The first thing I'll report is that with a good hydraulic crimper on hand and being able to make high quality splices, I chose to extend the Keystone pre-installed wires such that I could do all the wiring and electronics install on the board sitting on a table just outside the pass-thru opening. Having climbed inside the pass-thru a couple times, it was clear that making some of those connections was going to be really tough. One difference in my 26RBS and Mike's is the fact my board had to be positioned further into the compartment due to the position of the auto-level controls. The first picture shows my board sitting on the table where I completed all of the connections, except for the battery cable to the inverter. Well, there were two ground wires I didn't put on until the board was installed. This was just a logistics issue as I didn't have the bare copper wire needed yesterday and so I went ahead and installed the board. Putting those ground wires in today validated that it was worth extending those wires so I could do most of the work outside the pass-thru.

The second pictures shows a shot of the main wiring involved. I also installed breakers on the hot wires going into and out of the Solar Charge Controller (SCC). Doing this is really beneficial as you can isolate components and energize components carefully and in the correct sequence after all the connections have been made.

The third photo shows the board installed in the pass-thru with the battery cables attached. The ground wires are still not installed.

Then, the fourth photo is after I attached the ground wires. Note, I ran the main ground from the breaker box to the black Battery cable coming out of the SCC. That black cable was installed by Keystone and it attaches to the trailer frame before continuing on to the negative battery post. The attachment to the trailer frame provides a solid ground for the equipment. The other ground wire you will see in the fourth photo is the case ground wire from the inverter running to the ground lug in the breaker box.

The fifth photo is another shot of the installed panel, but taken a bit further back so you can see the battery cables coming up through the floor. I copied Mike's work here as I couldn't find any better route for those very heavy cables. I chose to use 1" wire loom, unslit.

Now, stepping back to look at a couple pictures of the battery cables install. Just a couple pictures here, photos 6 - 9. I'm going to try to post now, to see if all those photos will load.
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