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Old 02-19-2016, 07:42 PM   #11
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Quote:
Originally Posted by klassic View Post
That's an easy answer... Yes they used 8ga wire
Ok, great, thank you very much. That's a good answer as 8ga should be fine for my 500w needs up there (2x Grape Solar 260w panels). My charge controller is a Morningstar TS-60, 60Amp MPPT controller.

Thank you,

-David
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Old 02-19-2016, 08:07 PM   #12
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not sure if 8ga would handle 2 260w panels in parallel . Maybe ask Mustang. He seems to know his stuff
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Old 02-19-2016, 08:53 PM   #13
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Well, just a matter of reading lookup tables once you know the details. Basic Math when you get the right info. Experts correct me if I'm wrong but.

For lookups to determine if the wiring is sufficient gauge just know the current, gauge, length of run:
1. Run length
2. Gauge of wire (8 gauge)
3. Panel voltages, amps which multiplied together gives watts
* My panels info is 8.15A, 30.7v, 250W (30.7 x 8.15)
Home Depot: Grape-Solar-250-Watt-Monocrystalline-Solar-Panel-with-Black-Frame-

Run in series I just up the voltage, parallel up the amperage. The sum of the multiplications adds up to 500w. I was going to run them in series. The charge controller TS-60 says it can do up to max "Solar voltage" of 125v. My two panels in Series would be a max of 61.4v. Should be good. Just need to look up the chart for 8 gauge stranded and see if the length is ok for those values. Charts all over the Internet but it looks like for about 15A @ 12v 30' 8 gauge should be ok.

-DC
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Old 02-25-2016, 12:14 PM   #14
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I called about my 2016 Eagle HT FW - talked directly with Go Power. Tech said the wire is 10G not 8. Using their 30 amp solar unit, it will support up to 500W. Now, trying to figure out where the wires are since Jayco nor my dealer have a clue. I removed the panel behind the slide outs and water control panel, but nothing there that looked like them. A customer service tech at Jayco said she is asking her superiors for more training on the solar items since no one seems to have a clue about it.
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Old 02-25-2016, 12:40 PM   #15
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Seems odd they would run different sized wire in different models for the same advertised function.

Here are my pre run 8ga solar wires.
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Old 02-25-2016, 12:42 PM   #16
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I agree - seems like not a lot of info flows between Jayco construction/installers and customer service. Where exactly are those wires? I just checked again and don't see anything - wires or template.
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Old 02-25-2016, 12:45 PM   #17
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Just thought about something - does yours have the sticker for Canada on it - I think it's a Maple leaf - I remember my dealer saying something that it means it meets Canada build specs - maybe that is the difference in wiring? I would think that since it's an off-the-shelf install kit they use from Go Power, that it would all be the same.
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Old 02-25-2016, 12:50 PM   #18
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The wires are coiled up and hung behind the wall in the front storage. Where the rats nest of wires and plumbing are.

Here is the template, it is attached to the wall. Read the bottom line in yellow.

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Old 02-25-2016, 12:53 PM   #19
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You might need to take the whole wall down. I never saw them until I opened the wall.
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Old 02-25-2016, 12:54 PM   #20
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Thanks - nothing there, but I do have the solar prep connection on the roof - guess I'll be going back to the dealer. Thanks!
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