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Old 02-22-2018, 09:59 PM   #1
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Solar Question

Im looking to get the 200 Watt Renogy kit with the PWM controller. I have a 2016 Jayco 26bhs Jayflight

What size fuse do I need?

Do I place the fuse between the battery and controller?

Do I need to put a disconnect between the panels and controller on the positive terminal?

Is 20 if included wire from panels to controller enough? Im thinking panels would be on the rear of the trailer roof and Id route the wire down the fridge vent. Can I drop the controller inside then run wires to battery from there or is that too far? Problem is all the current openings are at the rear and batteries are kept up front. Ideas?

Anything else I need to consider?


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Old 02-23-2018, 05:42 AM   #2
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Originally Posted by nighthawk87 View Post
I’m looking to get the 200 Watt Renogy kit with the PWM controller. I have a 2016 Jayco 26bhs Jayflight

What size fuse do I need?

The SOLAR panels are producing somewhere around 5-6Amps each so a 15 - 20Amp fuse/breaker will be fine. You can always increase the size of the fuse/breaker should you decide to expand.

Do I place the fuse between the battery and controller?
I chose to put a fuse between both.

Do I need to put a disconnect between the panels and controller on the positive terminal? No, you just pull the fuse/breaker

Is 20’ if included wire from panels to controller enough? I’m thinking panels would be on the rear of the trailer roof and I’d route the wire down the fridge vent. Can I drop the controller inside then run wires to battery from there or is that too far? Problem is all the current openings are at the rear and batteries are kept up front. Ideas?

The PWM controller needs to be as close to the batteries as possible. The longest cable run should be between the SOLAR panels and the controller (Highest voltage = least amount of voltage drop). The shortest cable length should be between the PWM controller and the batteries (lowest voltage drop). Figure you will use about 15' of cable just to get down from from the roof. You then need to get to the batteries from there. I would suggest you take a tape measure and do a quick ball-park measurement, to give you an idea.


Anything else I need to consider?
Since the PWM controller will be mounted near the batteries, and probably out of easy viewing, I would recommend purchasing an inexpensive battery monitor that you can mount inside the TT
Hope this helps, GOOD LUCK

Don

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Old 02-23-2018, 07:02 AM   #3
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I ran the cable from the panels to the controller down through the roof next to one of the vent pipes. You can also use one of these if you need to go through the roof where there is no easy access.
https://www.amazon.com/Link-Solar-We...70_&dpSrc=srch
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Old 02-23-2018, 08:38 AM   #4
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Thanks! One more question how do you guys handle runs longer than 25? Buy more wore and connect to what they provide or buy a complete replacement run?

Also, anyone with a 26bh or 26bhs or 26bhsw, or any similar floodplan to mine that could maybe give a clue as to where to mount the panels and drop the wire?


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Old 02-23-2018, 09:47 AM   #5
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I would just call Renogy,my Blue Sky controller would not warrant the unit without one in line fuse! Thanks
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Old 02-23-2018, 10:24 AM   #6
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Quote:
Originally Posted by nighthawk87 View Post

Also, anyone with a 26bh or 26bhs or 26bhsw, or any similar floodplan to mine that could maybe give a clue as to where to mount the panels and drop the wire?


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Can you post a picture of your roof for us to look at
Thanks
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EnGenius WI-FI extender, D-Link wireless (n) modem
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Old 02-23-2018, 01:11 PM   #7
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Thanks! One more question how do you guys handle runs longer than 25? Buy more wore and connect to what they provide or buy a complete replacement run? Sent from my iPhone using Tapatalk
I personally would not run the wires longer than 20'.
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Old 02-23-2018, 08:10 PM   #8
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Illl post a pic of my roof but its seems to be near impossible to keep under 20 on any travel trailer more than 25 length. This cant be a unique issue...


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Old 02-24-2018, 05:42 AM   #9
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Quote:
Originally Posted by troutslayer View Post
I personally would not run the wires longer than 20'.
As long as the longest cable length is between the SOLAR panel and the PWM controller there is minimal voltage loss (higher voltage end like 24VDC0.

The total length of my cable between the SOLAR panel and MPPT charge controller is 38'.

Don

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RVing with SOLAR
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250Watt Grape Solar Panel, MorningStar MPPT 60 Charge Controller
1500 Watt Ramsond PSI, 2 Trojan T145 Batteries (260Ah)
2 - AirSight Wireless IP Cameras (used as rear view cameras)
EnGenius WI-FI extender, D-Link wireless (n) modem
MagicJack Internet Phone
2012 Ford F150XLT, EcoBoost w/3.73
157" Wheel base, HD Towing Package

Our Solar Album https://www.jaycoowners.com/album.php?albumid=329
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Old 02-27-2018, 08:13 PM   #10
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Where do you buy your cable? Id imagine it would already need the connectors on one end to connect to the panels. Do they sell wire that has the + and - bundled together for easy fishing?


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