Removing Slideout Window to Install Window A\C ?

Seeing you already have bought the unit. Another idea for your unit might to be to set it all up on the outside of your RV by setting it on a scaffold outside of a the window. . Then just make the duct work out of cut up 1 inch thick Styrofoam or like material to an open window. It might not look too pretty but would solve your problem of an easy take down when moving and no harm done to your RV.