It's giving you the stock Chimes sound because when the Change Instrument Utility is applied and you choose Chimes from the list, that list is Finale instruments not VDL. Once the change is set up, go to Devices and select Kontakt 5, load the VDL Chimes and set the Bank and Channel assignments to match the other VDL instruments.
You can not use layers for multiple non-pitched percussion instruments because the Layout Map is applied to the entire staff and can not be changed regardless of which layer you wish to use. Change Instrument makes it possible to change both the midi map and the layout map.
Much of this is explained in the ReadMe files that came with the template package.
iMac i7, OS 10.8, 10.9, W7
VDL2.5.5, Finale 2010-14
Kontakt 4-5, various other soft synths