If a Cadimage double hung window has an incorrect sash overlay, such as the bottom sash is to the outside of the top sash, here is here is the solution.
First, this is what we normally do not want to see on the exterior elevations:
Open the window selection settings, go to the Cadimage section for All Parameters… Go to the subsection for Sash Number per Row and scroll all the way to Sash Opening Direction Custom. Check this box and set Sash Opening Direction to 0. Next uncheck Sash Opening Direction Custom and click OK.
The result is a properly oriented double hung window:
Please note that this has not been tested with Cadimage 17 windows.