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RV Photo voltaic Set up for RVs with Photo voltaic Prep


If you wish to get pleasure from life away from busy campgrounds, you’ll want a strategy to energy your camper off-grid. There are two predominant decisions for this: generator and/or battery energy. Ideally, you’ll use each, however photo voltaic panels harness free vitality, making RV photo voltaic set up a should for boondockers seeking to lengthen their dry tenting journeys. 

Are you not sure learn how to set up photo voltaic panels on RVs with photo voltaic prep? It’s simple, and on this article, we’ll stroll you thru precisely the way it’s finished. 

Frequent Parts of an RV Photo voltaic Setup

Go Power complete solar kit
Picture by Tenting World

Earlier than putting in an RV photo voltaic panel, familiarize your self with the elements of a whole RV photo voltaic charging system. Let’s evaluate every:

  • Photo voltaic Panel: A photo voltaic panel’s job is to soak up daylight and convert this into vitality.
  • Cable Entry Plate: A cable entry plate bridges the connection between the outside roof or wall into the RV. 
  • Photo voltaic Cost Controller: A photo voltaic cost controller regulates incoming vitality and prevents battery overcharging. 
  • Inverter: An inverter permits AC home equipment for use with DC battery energy.
  • Switch Change: A switch change modifications the facility provide from one supply to a different.

Kinds of Photo voltaic Panels for RVs: Roof-Mounted vs Moveable

Picture by Tenting World

There are two predominant sorts to contemplate when selecting a photo voltaic panel for RV battery charging. 

A roof-mounted panel is completely affixed to your roof with fasteners or adhesive. 

A transportable photo voltaic panel is about up exterior the RV and will be taken down when wanted. 

Every has execs and cons, however you’ll need to select the model your RV is about up for. 

For instance, most smaller trailers prepped for photo voltaic have a cable entry port on the outside wall close to the tongue or rear bumper, designed to be used with a transportable photo voltaic panel. That is generally known as “Photo voltaic on the Facet”. However, bigger fifth wheel trailers normally have a cable entry port on the roof, designed for connecting roof-mounted photo voltaic panels.

Right here’s a fast normal comparability of roof-mounted versus moveable photo voltaic panels:

Roof-Mount Moveable
Professionals Increased Amp Scores
Simpler to Add A number of
No Setup Required
Simple to Set up
Much less Susceptible to Injury
Cons Can Require Drilling
Susceptible to Injury
Troublesome to Set up
Reduces Storage House
Decrease Amp Scores
Should Setup Earlier than Use

Matching the panel model you need to set up to your RV’s “photo voltaic prep” (extra on that subsequent) is the best means to make sure a clean, efficient rv photo voltaic set up.

What Does Photo voltaic Prep Imply on an RV?

Solar flex ready sticker
Picture by Tenting World

The time period “photo voltaic prep” goes by many names relying on the producer: photo voltaic prepared, SŌL prep, OTG prep, and so on. Nevertheless, all of them imply the identical factor—the RV has particular elements that will help you set up a photo voltaic panel. For many RVs, this implies a pre-installed photo voltaic cost controller, cable entry plate, and wiring.

The RV producer is the perfect useful resource for understanding the schematics and scores of your photo voltaic prep system. Consulting them will enable you decide the dimensions and amount of photo voltaic panels you may set up and stay appropriate with the present prep elements. 

Can I Set up Photo voltaic Panels If My RV Is Not Prepped?

Unprepped RV roof without solar
Picture by Tenting World

Putting in photo voltaic panels is feasible in case your RV will not be prepped for them. Nevertheless, this will increase the set up issue significantly for roof-mounted panels as it’s essential to run wiring by way of the ceiling and partitions. As well as, it’s essential to set up the elements sometimes present in a solar-prepped RV—cost controller, cable entry plate, inverter, and so on.

In case your RV isn’t prepped for photo voltaic, we advocate selecting a transportable photo voltaic system or contacting our Efficiency & Set up division for assist with a roof-mounted photo voltaic set up. 

Security Tip: If working with a number of and/or high-amperage panels and in direct daylight, hold panel surfaces coated (protected against daylight) till all wiring is accomplished.

RV tool kit
Picture by Tenting World

Happily, you gained’t want specialty instruments in case your RV is prepped for photo voltaic. Nevertheless, you will have the next RV instruments

  • Electrical Drill/Screwdriver – to safe panel
  • Drill Bits – to make pilot holes
  • Caulk Gun – required for caulk tubes
  • Self-Leveling Caulk – to reseal the roof
  • Butyl Tape – secondary roof seal 
  • Sockets/Wrenches – To unhook battery

If there’s something on the listing you don’t have, you may hire most of those out of your native house enchancment or auto elements provide shops. 

Roof-Mounted RV Photo voltaic Panel Mounting Directions

RV roof solar panels
Picture by Tenting World

Earlier than you start, unhook the unfavourable battery cable to make sure you don’t by accident trigger or create any shorts. You’ll additionally need to guarantee your RV is on a flat, secure floor because you’ll be getting on the roof.

Step 1: Safely ascend to the roof utilizing the RV’s ladder or your individual. 

Step 2: Discover a flat spot on the roof near the cable entry port and out of the best way of different equipment, similar to vent followers or rooftop A/C models. Close by equipment can solid shadows on the panel, hindering efficiency. 

Step 3: Safe the brackets to the panel and set it into place. Mark holes on the roof by way of the mounting brackets utilizing a marker or pencil. Verify inside to make sure these spots are usually not positioned above any inside elements that would intrude with the {hardware}.

Step 4: Take away the panel and use an electrical drill with a ⅛” drill bit (or the dimensions really helpful by the producer) to make a pilot gap in every of the beforehand marked holes.

Step 5: Apply butyl tape to the underside of the brackets and align them with the pre-drill holes. Place the panel again into place. Utilizing an electrical screwdriver, safe the brackets to the roof with the provided or manufacturer-recommended {hardware}, being cautious to not overtighten. Make sure to observe the producer’s pointers for the panel mounting angle to stop water build-up.

Step 6: Use a beneficiant quantity of self-leveling sealant round and over every bracket, then let remedy/dry.

Step 7: Repeat the method for all remaining roof-mounted panels. 

Technician Tip: If securing a number of panels, begin on the panel furthest away from the entry port and route the cable from the furthest panel to the following closest panel utilizing the provided harness. Then, work your strategy to the entry port, securing the wires alongside the best way. 

Putting in Moveable Photo voltaic Panels for RV Use

Solar on the side plug
Picture by Tenting World

A moveable photo voltaic panel will be put in simply whether or not your RV is prepped or not. These panels are normally self-contained, which suggests the photo voltaic cost controller is constructed into the design. All that you must do is plug the unit into the outside cable entry port (if current) or hook it proper to the battery.

These steps ought to enable you join a transportable photo voltaic panel to your RV, however we additionally advocate consulting the panel’s producer for his or her particular setup directions.

Step 1: Find an appropriate place to set your photo voltaic panel. Be certain that the bottom is flat and degree so the floor is secure. 

Step 2: Place the panel in direct daylight and inside an inexpensive distance of the RV. 

Step 3: Connect the harness to the panel and route the wire to the RV’s cable entry port or battery. 

Step 4: Connect harness to RV. 

Verifying Profitable Set up

Picture by Tenting World

To make sure your system works correctly, it’s essential to verify that energy flows from the panel to the battery. To start out, rehook the unfavourable battery cable. Then, place your RV within the solar as a lot as attainable. 

Discover the onboard cost controller, normally within the entrance basement storage, and cycle by way of the settings till you discover the show for incoming energy. That is expressed when it comes to amps and can correspond to the panel measurement and climate situations. Don’t be alarmed if the panel doesn’t produce 100% of its rated energy output. For instance, when you have a single 10-amp panel, you’ll seemingly see a cost price of round 5-6 amps. 

If something is amiss or not working appropriately, first reference your system’s proprietor’s handbook. If you happen to can not troubleshoot the problem additional, it’s essential to take your trailer to a service heart for help. 

Technician Tip: As a result of these installations take care of solar-prepped RVs, the wiring as much as the controller and cable entry port can be finished by the manufacturing facility. Nevertheless, it could assist to seek the advice of the producer’s directions for correct sizing and placement of overcurrent safety on the photo voltaic panel wiring and close to the battery on the wiring from the photo voltaic cost controller. If an inverter is put in, further overcurrent safety is required close to the battery on the wiring to the inverter. These three units of wires operate individually and every set will be energized independently, thus requiring particular person protecting units.

Need To Study Extra About RV Photo voltaic?

Upgrading and accessorizing your RV is what makes it distinctive. Listed below are a couple of extra sources that will help you select and care to your RV’s photo voltaic system: 

Hopefully, this information gave you the boldness to do that challenge your self, however you may at all times go to one among our native service facilities in case you want help from our group of licensed RV technicians.

Within the feedback beneath, please tell us when you have tackled a photo voltaic panel set up your self and the way it went.

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