You can create a facet set by importing a properly formatted XML file into ATG Search. Use this feature to import facet sets created elsewhere, or when moving your Search installation
To import a facet set:
In the Administration Options menu, go to Search Workbench > Customizations > Refinement Configurations.
Click Import Facet Set.
Browse to the XML file that describes the facet set you want to import.
Enter a name for the new facet set.
Click Import.