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Old 08-13-2020, 11:35 AM   #1
Jawgaboy in Texas
2017 30' Classic
Wandering in the Rockies , CO, UT, WY, ID
Join Date: Oct 2018
Posts: 5
2017 Classic 30 - I found the prewired solar connectors

Hello, yet another newbie here with solar questions. By searching the forum I learned that my prewired solar connectors are under the middle section of the sofa. Bu removing the two bolts on the bottom front, that section just lifts off. Here's what I found:
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Old 08-13-2020, 11:42 AM   #2
Jawgaboy in Texas
2017 30' Classic
Wandering in the Rockies , CO, UT, WY, ID
Join Date: Oct 2018
Posts: 5
I was expecting to find SAE connectors but instead I found this ethernet looking cable. I already installed two 130 watt panels on the roof. The controller that came with one of the panels is rated at 11 watts, and has two SAE connectors. First question: How do I convert the ethernet cable to SAE? When I have done that should I cover the solar panels before I plug in the controller?
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Old 08-13-2020, 05:06 PM   #3
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daleyocum's Avatar
2018 25' Flying Cloud
Portland , Oregon
Join Date: Oct 2017
Posts: 991
The “Ethernet” cable is routed to the area behind the wall where Airstream intends for you to install the display panel for the soar controller. You don’t have to use it for that, I used it for the controller for my multiplus inverter but others have used it for battery monitors. On my FC25 the wire terminates under the water level panel but I don’t know where it goes on yours.

I suspect controller you have is probably rated for 11amps, not watts. If that’s the case it’s not able to fully take advantage of your 300watts of solar. If both panels we’re getting full direct sun they have the potential of generating around 25 amps. Your controller would deliver less than half of that to the batteries.

A top of the line solar controller would be a Victron SmartSolar 30 amp unit such as SmartSolar MPPT 100/30 Charge Controller Many places stock this unit if Amazon is out. The Victron will communicate over Bluetooth to your phone so you don’t NEED a display if you’d rather not put one in.

Other units are fine just be sure it can handle at least 25 amps. Victron makes some that are bigger if you think you might add more panels in the future. MPPT is more efficient than a PWM controller.

In terms of covering the panels, I didn’t bother but it would be safer for the panels. If you accidentally shorted the wires together it might damage something. The voltage is only about 18volts so there’s no issue with getting shocked. Folks with a larger number of panels would be concerned about a lot of heat being generated in a short as well.
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Old 03-06-2021, 07:08 PM   #4
1 Rivet Member
Bozeman , Montana
Join Date: Jan 2021
Posts: 13
Hey folks, I also have a 2017 classic and I'm attempting to install an AM Solar setup. Does anyone have advice on how to remove the subwoofer box? In my trailer the screws were driven in at a bit of an angle and mostly stripped out. How annoying is it to remove the entire front sofa and not just the center seat?

Also, I'd be curious to hear about where people put the inverter and any add'l batteries. If I have 2 in the battery box, will two more fit under the sofa? Thanks!
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Old 03-07-2021, 11:19 AM   #5
2 Rivet Member
2017 30' Classic
Spokane , Washington
Join Date: Oct 2020
Posts: 33
We just installed two 6 volt AGMS under the center section of the sofa..perfect fit. We have a 2017 classic. Also upgraded the solar controller and converter.
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