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10-11-2023, 11:30 PM
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#1
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New Member
Join Date: Oct 2023
Location: VISTA
Posts: 6
M.O.C. #33445
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Electrical diagram and Solar install for my 2018 MONTANA HIGH COUNTRY 379RD
I'm planning on DYI install a solar system with 1000w of panels, 3000w inverter/charger Vitron and 4 100amp Litime lithium batteries with a cold shut off protection.
Thanks for any input, Steve
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10-12-2023, 06:27 AM
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#2
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Montana Master
Join Date: Dec 2021
Location: Northeast TX
Posts: 944
M.O.C. #30262
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Hello Steve. The latest diagram I have is too large to attach to a post here. If you'd like, PM me and I'll email it to you. Good luck with your upcoming install.
__________________
 Lee, Edith, Lil' Bit & Cuddles
22 MHC 331RL, Surge Guard 35550, SumoSprings, Kodiak disc brakes, 412Ah Lithium, Gen 3 Goosebox, Sailun 85s
22 Ram 3500 CC DRW 6.7 CTD Herrin Hauler Classic Bed, 45 gal AUX tank
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10-12-2023, 06:33 AM
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#3
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,701
M.O.C. #24086
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The batteries you select may have low temperature cut off in the BMS. Check with the manufacturer.
If I was doing mine all over again I would use aluminum unistrut rails.
With rails you can be sure every screw you use to mount the rail goes into a rafter stud.
Use a stud finder and painters tape (or chaulk) to mark the studs. If you use the mounting brackets that come with the panels, you can only be sure one side of the panel has mounting brackets mounted to a rafter stud. The other (trailing) brackets will have to be fastened where they lay.
Also with rails, you can move/replace/upgrade the panels without drilling new holes.
When you are ready to mount the rails, clean the roof with alcohol then put down a 2x2" piece of Eternabond tape where you plan to drill the holes for the rail screws. Next, set your rails and drill the pilot holes for the screws. Put Dicor self leveling sealant in the screw holes and between the rails and the Eternabond tape. Put a spacer (or thick washer) between the rail and the Eternabond tape to allow water to drain away under the rail off the roof. Install the screw through the rail and put some more Dicor over the screw head.
I would also recommend Renogy tilting panel mounts so you can clean under them easily.
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Daryl and Marianne,
2019 3130re 20th Anniversary Edition
2016 F350 Lariat
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10-12-2023, 05:18 PM
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#4
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New Member
Join Date: Oct 2023
Location: VISTA
Posts: 6
M.O.C. #33445
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Thanks Daryl
Thanks for the detailed mounting advice. I will follow it
Much appreciated, Steve
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10-12-2023, 05:30 PM
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#5
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Site Team
Join Date: Aug 2007
Location: Omaha
Posts: 6,750
M.O.C. #7560
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You the Man, Daryl! Great advice!
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10-13-2023, 10:44 AM
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#6
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,369
M.O.C. #4831
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Quote:
Originally Posted by Lee-CI
Hello Steve. The latest diagram I have is too large to attach to a post here. If you'd like, PM me and I'll email it to you. Good luck with your upcoming install.
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Lee-CI was able to "Shrink" the PDF diagram and it has been loaded into the File sections for easy reference.
https://www.montanaowners.com/forums...?do=file&id=95
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Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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10-13-2023, 02:30 PM
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#7
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,701
M.O.C. #24086
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Nice diagram Lee ��
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Daryl and Marianne,
2019 3130re 20th Anniversary Edition
2016 F350 Lariat
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10-13-2023, 02:46 PM
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#8
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Montana Master
Join Date: Dec 2021
Location: Northeast TX
Posts: 944
M.O.C. #30262
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Credit goes to Jared Gillis with "All About RVs". He has short videos that catch my interest. Just hope the diagram helps to demystify some of the solar confusion
__________________
Lee, Edith, Lil' Bit & Cuddles
22 MHC 331RL, Surge Guard 35550, SumoSprings, Kodiak disc brakes, 412Ah Lithium, Gen 3 Goosebox, Sailun 85s
22 Ram 3500 CC DRW 6.7 CTD Herrin Hauler Classic Bed, 45 gal AUX tank
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10-18-2023, 03:41 PM
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#9
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New Member
Join Date: Feb 2016
Location: Calgary
Posts: 4
M.O.C. #18331
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I ran somthing very similar. I don’t have a gen so I used the transfer to switch when shore power goes out to run inverter and I only the 4 Trojans.
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10-18-2023, 11:01 PM
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#10
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Established Member
Join Date: Mar 2018
Location: SUN PEAKS
Posts: 21
M.O.C. #21444
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I've just completed an install for an exactly the same size system. I've watched Jared Gillis youtube videos. I also got a lot of info from Nate at https://www.youtube.com/@EXPLORISTlife and Chris at https://www.youtube.com/@WhyNotRV.
__________________
Martin & Sue - Travelling Aussies
2018 Montana 3130RE, B&W RVK3600 25,000lb for RAM OEM Puck, 2014 RAM 3500 Laramie Crew Cab LB 4x4 SRW
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10-19-2023, 07:11 AM
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#11
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Montana Master
Join Date: Dec 2021
Location: Northeast TX
Posts: 944
M.O.C. #30262
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Quote:
Originally Posted by Ozzie Cozzies
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I couldn't agree more. Nate at explorist.life is like a human encyclopedia on both theory as well as subject matter for individual electrical / solar components. His info is solid. Glad you found his site as well. I'll have to check out Chris' site.
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