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Old 10-19-2012, 04:10 PM   #1
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Solar controller original install

Hi does anyone know where the solar controller is for a 2005 national rv dolphin. However they wired this they did not go direct to the battery and tied in on any available 12v wire buried somewhere.

Whales
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Old 10-19-2012, 04:26 PM   #2
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In my case, there is no solar Controller. I have two Solar Panels, one mounted on top of the front AC and the other on the back AC.....they both connect to the 12V line that feeds the AC Control Box in their respective AC's. Rook
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Old 10-19-2012, 05:51 PM   #3
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The 2005 Dolphin had a 10 watt solar panel installed at the factory, so with 10 watt panel no charge controler is required. If at some time you up grade you will need to run new wire ( larger ) and a controler.
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Old 10-20-2012, 10:03 AM   #4
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Mine are mounted on top of the AC units and from the factory are only 18 Watts each so they don't have a controller. They go to the 12 Volt distribution panel through a Diode to the House Battery bus through a fuse. Here is a drawing.
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Old 10-22-2012, 03:44 AM   #5
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The 2005 Dolphin has a 10 watt solar panel installed at the factory. Has anyone ever replaced this solar panel and where did you get it?
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Old 10-22-2012, 07:09 AM   #6
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My Dolphin came with a 10w panel. When I bought it, it no longer worked. Being stupid, I just bought a new 15w panel from a reputable company and used the new wiring, routing it to the batteries.

Why was I stupid? When stored, 15w will not even keep the batteries topped off, at least here in Mi especially in the winter. I'm sure it would be sufficient in southern sunny states.

Since then I installed a multi-stage charger and have installed 30a outlets at the house and pole barn. So no more need for a minimal solar charger. It is of course totally useless for boondocking.

Although we don't do a whole lot of boondocking, if I had to do it over again, I would have got at least 150w of panels and probably more.
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Old 10-22-2012, 10:34 AM   #7
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I have an '01 Tradewinds and need to probably replace both a/c top units.One of them blew off when an a/c cover left for parts unknown after they replaced the roof and the other is 10 y/o and looks as if it's got water in it.I do have a rooftop unit that is about 18"x30" and seems to be working fine.Where do you find the a/c units?
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Old 10-22-2012, 12:32 PM   #8
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Quote:
Originally Posted by bigdog
Where do you find the a/c units?
Since NRV is out of business, they are 10+ years old, as is the technology, I doubt you will ever find duplicates. If you want to replace them and want to install on the AC unit, just get anything that fits that's 18 - 20 watts per panel. If you go more wattage, you'll need a charge controller at 50 watts or more. You will also want large gauge wire.
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Old 10-23-2012, 07:32 AM   #9
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Look on the internet for Solar batery chargers. I got mine from Go-Power but I think they have discontinued 10w flexible panel.
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