Leider funktioniert das Plugin auf meiner WETEK Core Box mit Openelec 7 Beta 3 nicht 
00:31:09 T:2423628704 NOTICE: PVRManager - starting up
00:31:09 T:2642772896 ERROR: Unable to load /storage/.kodi/addons/pvr.zattoo/pvr.zattoo.so, reason: /storage/.kodi/addons/pvr.zattoo/pvr.zattoo.so: wrong ELF class: ELFCLASS64
00:31:09 T:2642772896 WARNING: UpdateAndInitialiseClients - failed to create add-on Zattoo PVR Client, status = 6
00:31:09 T:2642772896 WARNING: UpdateAndInitialiseClients - failed to load the dll for add-on Zattoo PVR Client, disabling it