WITA U 25 Original Einbau- Und Betriebsanleitung Seite 16

Translation of the original installation
and operating instructions
Contents
1 Safety instructions ........................................................................................................................ 17
1.1 General ........................................................................................................................................................... 17
1.2 Labelling of symbols in the operating instructions .......................................................................... 17
1.3 Personnel qualification .............................................................................................................................. 18
1.4 Dangers, if safety instructions are not observed................................................................................ 19
1.5 Safety-conscious work .............................................................................................................................. 19
1.6 Safety instructions for the operator ...................................................................................................... 19
1.7 Safety instructions for assembly and maintenance works ............................................................ 20
1.8 Unauthorised modification and use of spare parts .......................................................................... 21
2 Transport and storage ................................................................................................................. 21
3 Intended use ................................................................................................................................. 22
4 Product data .................................................................................................................................. 22
4.1 Technical data U 25, U 35, U 55, U 65, U 80, U 120 ......................................................................... 22
4.2 Delivery range ............................................................................................................................................... 25
5 Pump description ......................................................................................................................... 25
6 Pump settings and performance ................................................................................................ 25
6.1 The tap changer............................................................................................................................................ 25
7 Assembly ....................................................................................................................................... 26
8 Electrical connection ................................................................................................................... 27
9 Filling and venting the system ................................................................................................... 28
10 Maintenance and service .............................................................................................................. 28
11 Faults, causes and remedies ....................................................................................................... 29
12 Disposal ......................................................................................................................................... 29
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WITA U 25 | U 35 | U 55 | U 65 | U 80 | U 120