Allux mailbox systems' Revit RFA files are made with Autodesk Revit version 2018.
When family files opened in editor - initial view might look incorrect. It's a known issue related to Array function in Revit families. When family object is inserted into the actual project - it shows and functions correctly.
Configuration limitations are defined by manufacturer.
Please contact manufacturer directly at www.allux.com to find out about other options and possibilities. 