Installing a solar system in the RV is more than just figuring out where to put solar panels, you will also need to wire an inverter (for your AC needs), a battery (for your DC needs and power storage) a charge controller (that prevents your batteries from overcharging), and some fuses.
Here is a nice video on how to complete your solar wiring (on a hot wire): RV Solar Simplified! Simple RV Solar Setup. After connecting your solar panels, you will need to connect their output to the solar charge controller. The charge controller, in its turn, gets connected to the battery bank through a fuse box: PDF Schematic and wiring.
Connecting the solar panel directly to the RV battery can cause explosions and overheating. Instead, connect it to a charge controller. It’ll help guard the battery against overcharging and improve its lifespan. How many batteries do I need for my RV solar system? 1 to 4 batteries are enough for your RV solar system.
RV solar panels convert solar energy into direct current electricity (12V DC), which charges the RV’s batteries and stores the electricity. Passing the 12V DC through an inverter converts it into 120-Volt AC (alternating current), which powers 120-Volt gadgets like a coffee maker. In short, with solar panels, you can power almost anything.
If needed, use a multimeter or voltmeter to test your wire polarity and mark them. Then connect the charge controller with the power cables that you previously ran from the solar panels to inside the RV. Make the connections to your house battery or to the panels first depending on what the solar kit recommends.
Yes, you do. Residential solar panel setups run on DC, so your RV solar system needs an inverter to convert the DC to AC energy. If you’re using solar panels to power your RV, the energy they collect must first go through an inverter before you can use it.