OK soweit

Good delivery time. packed well. boxing pounded, but product surviced well. Loved that they included the Solar cables. Parallel Y cables. the charge controler, the inverter 800 W. My first step into solar, 200 Watte on my PU shell camper. Fair electrian, no solar experience, but read a lot. Now what I wish I had - Fuses(or Breakers) between S panels and controller (20 A or 60 A?) , Fuses out of Controller to battery, & inverter (60A?) fuses out of Load to load? what is my load? info on Load to Controller, or load connected to battery out.? Setting up Load controller, so many settings, but no advise , Help? finally, How to I turn solar chargin parking off, when RV sets during summer sun months no used. OVER charge. ok or not ok. How to direct surplus charging to keep starter battery topped off. I need a book i think on this ghost charge. where does surplus charge go? but Yes love the 50 AH LiFePo battery, smooth, may add 2nd . will run a Vevor Disel heater during winter months at night when camping or road travel 40 watt/hr fan draw! how to emerg, top LI bat off from Alternator to make through night if snowing.? much is unknow on how to use safely (like battery warming pad at -10 outside? 25 watt warming pad. like to warm my engine start battery also from solar input when parked outside. INFO? recommend this for a small starter. Love it so far. but learning a lot also.