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Old 11-19-2018, 02:50 PM   #1
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Brand: Thor Motor Coach
State: North Carolina
Posts: 9
THOR #13548
Where do the solar wires terminate?

Still trying to find out where the solar wires from solar connection terminals on roof of our 2018 Freedom Elite 24FE (Sprinter chassis) terminate. Thor customer service provided wiring diagrams but I don't see the solar wiring. I would like to install two 100 watt flexible panels directly on the roof. Thanks for any help.
Reid
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Old 11-20-2018, 01:33 AM   #2
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Brand: Thor Motor Coach
Model: 22E
State: New York
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THOR #12119
Orange & White Solar Wires

Mine were lying behind my 12v/ 110v Circuit panel, 2018 Four Winds 22E (E350 Chassis)
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Old 11-20-2018, 05:49 AM   #3
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State: Alaska
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THOR #8813
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Originally Posted by Reid View Post
Still trying to find out where the solar wires from solar connection terminals on roof of our 2018 Freedom Elite 24FE (Sprinter chassis) terminate. Thor customer service provided wiring diagrams but I don't see the solar wiring. I would like to install two 100 watt flexible panels directly on the roof. Thanks for any help.

Reid


In electrical area. Orange and white.
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Old 11-25-2018, 05:22 AM   #4
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Brand: Thor Motor Coach
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THOR #13831
I agree Vegas 2018 24.1

Found them behind the power inverter box Orange and white wires
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Old 11-25-2018, 12:18 PM   #5
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Brand: Thor Motor Coach
Model: Quantum
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THOR #13457
I have a question about solar...Is the 100 watt panels enough to charge the 12v house batteries in my Quantam. And about how long would it take to charge them.
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Old 11-25-2018, 04:02 PM   #6
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Brand: Thor Motor Coach
Model: Four Winds 31W
State: Michigan
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THOR #9522
100 watts is about 8 amps at 12V. If we assume you have a pair of typical deep cycle batteries you could draw about 100 amp hours max. So about 2 weeks to recharge? The key is estimating what you would actually use per day to see if the panels could keep up. 800 watt hours per day of charge would run my residential fridge compressor for a couple hours. But I don't know how often it runs yet in typical conditions. Also that 800 watt hours would be about 15 minutes of running my on board generator.
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Pete and Carolynn Foss from Oxford, MI
2018 Four Winds 31W
1999 Aero Cub F-21 trailer
1977 Tioga 24 foot RV
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Old 11-27-2018, 09:53 PM   #7
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Brand: Thor Motor Coach
Model: Four Winds 30D
State: New Jersey
Posts: 26
THOR #13701
Wires Found, now How Much can I use it?

Wondering how many panels/watts the factory Solar Connection and wires will support? I cant seem to find any specs on what the connection/wires are rated for? How many Watts/Volts?

I have a "Solar Ready" 2018 Four Winds 30D with factory roof connection, no inverter (yet) with 2 house batteries... If I want to jump on some Solar Panels will it support 400W-800W panels? What is the max voltage? If I wanted to Serial & Parallel (2x2 panels = 24V at 200W)?

(Note I still have to put in an Inverter and would like to upgrade to Lithium).
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Old 11-28-2018, 01:27 AM   #8
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Brand: Thor Motor Coach
Model: Vegas 24.1
State: Washington
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THOR #10717
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Originally Posted by Jevad View Post
Wondering how many panels/watts the factory Solar Connection and wires will support? I cant seem to find any specs on what the connection/wires are rated for? How many Watts/Volts?

I have a "Solar Ready" 2018 Four Winds 30D with factory roof connection, no inverter (yet) with 2 house batteries... If I want to jump on some Solar Panels will it support 400W-800W panels? What is the max voltage? If I wanted to Serial & Parallel (2x2 panels = 24V at 200W)?

(Note I still have to put in an Inverter and would like to upgrade to Lithium).
You should measure the wire thickness (AWG) and then check on this chart below to see the max amps that wire can support. I would assume the cable is 15 ft or less in length.

https://www.engineeringtoolbox.com/a...uge-d_730.html

12 AWG is 10 amps, or 10 A * 12V =120W
10 AWG is 20 amps, or 20 A * 12V =240W

My understanding is that the solar ready just means the wires have been run through the RV and that the MC4 connector is installed on the roof. You have to then supply the panels and the charger for the battery.
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