-
Cool Only: The unit may operate but cannot use heating devices.
-
Heat Only: The unit may operate but cannot use cooling devices.
-
Fan Only: The unit may operate but cannot use heating or cooling devices.
-
Purge: The unit should start and operate with maximum outdoor air but no heating or cooling devices.
-
Vent: The unit should start and operate with maximum outdoor air as well as any available heating or cooling devices.
-
Auto: No application modes are active.