Version 3.0 (08/2018) 
Translation of original instruction manual    I 
Table of contents 
1  About this document.......................................................................................................................................... 1 
1.1  Information about this user manual .............................................................................................................. 1 
1.2  Warning notices in this manual ...................................................................................................................... 2 
1.3  Symbols ................................................................................................................................................................. 3 
2  Safety related information............................................................................................................................... 4 
2.1  State of the art .................................................................................................................................................... 4 
2.2  Intended use ........................................................................................................................................................ 4 
Areas of application .......................................................................................................................................... 4 
2.3  Unintended use ................................................................................................................................................... 5 
2.4  Personnel qualification ...................................................................................................................................... 5 
Operator .............................................................................................................................................................. 5 
Service personnel ............................................................................................................................................... 5 
Electrician .............................................................................................................................................................. 5 
2.5  Dangers ................................................................................................................................................................. 6 
Personal injury ..................................................................................................................................................... 6 
Electricity ............................................................................................................................................................... 6 
Working environment ....................................................................................................................................... 6 
Faults during operation .................................................................................................................................... 6 
Maintenance ........................................................................................................................................................ 6 
Unintentional start up ........................................................................................................................................ 6 
2.6  Interfaces to other devices............................................................................................................................... 7 
2.7  Operating modes / Operating phases ........................................................................................................ 7 
Normal mode ...................................................................................................................................................... 7 
Special mode ....................................................................................................................................................... 7 
2.8  Additional documentation................................................................................................................................ 8 
3  Product information ........................................................................................................................................... 9 
3.1  Product description ............................................................................................................................................ 9 
Energy recovery / Overvoltage protection ................................................................................................ 9 
Overload protection ......................................................................................................................................... 9 
3.2  Structure ............................................................................................................................................................ 10