There should be fantastic operation instructions in with the other books and instructions for the other appliances etc. that came with your RV. In fact there should be one for each fan you have. You can go to the fantastic web site where they list the different models available and a brief description on how they work.
Roger & Cheryl Full Time since 2002, RVing since 1975 2008 Chevy 3500 Crew Cab Dually, 2012 RW 36RL