Vaillant, Timer, models:

Vantage 120	Operating Instructions & Installation Instructions
timeSWITCH 130	Operating And Installation Manual
timeSWITCH 140	Operating And Installation Manual
timeSWITCH 150	Operating And Installation Manual Operating And Installation Instructions
timeSWITCH 160	Operating Instructions Manual
timeSWITCH VTS 160	Installation Instructions Manual