The Templates is used by linking them to either a OS Point, Business Unit or an Installation Type.
The Deployment template will be resolved i the following order:
Template linked to an Installations type assigned to the Bussiness Unit, the Unit is linked to if the Unit is linked to a Bussiness Unit.
Template linked to the Bussiness Unit, the Unit is linked to if the Unit is linked to a Bussiness Unit.
Template linked to an Installations type assigned to the OS Point used.
Template linked to the OS Point used.