Table of contents
Table of contents
1 About this document ............................... 3
1.1 Target groups ................................. 3
1.2 Other applicable documents ................ 3
1.3 Warnings and symbols ....................... 3
2 General safety instructions ....................... 4
2.1 Intended use .................................. 4
2.2 General safety instructions .................. 4
2.2.1 Obligations of the operating company ...... 4
2.2.2 Obligations of personnel ..................... 4
2.3 Hazardous media ............................ 4
3 Layout and Function ............................... 5
3.1 Type plate ..................................... 5
3.2 Description .................................... 5
3.3 Assembly ..................................... 5
4 Transport, Storage and Disposal ................. 5
4.1 Unpacking and inspection on delivery .. .. .. 5
4.2 Transportation ................................ 5
4.3 Storage ....................................... 5
4.4 Disposal ....................................... 6
5 Installation and connection ....................... 6
5.1 Preparations for installation ................. 6
5.1.1 Check operating conditions ................. 6
5.1.2 Preparation of the vessel .................... 6
5.2 Preparation of the device .................... 6
5.2.1 Connecting the immersion tubes ........... 6
5.2.2 Setting the switching points ................. 7
5.2.3 Application examples for the variants NIS 1
to NIS 4 ....................................... 7
5.3 Install device .................................. 8
5.4 Electrical connection of device .............. 8
6 Commissioning ..................................... 8
7 Maintenance ......................................... 9
7.1 Servicing ...................................... 9
7.2 Maintenance .................................. 9
7.2.1 Removing the device ........................ 9
7.2.2 Replacement parts and return .............. 9
8 Troubleshooting .................................... 10
9 Appendix ............................................. 10
9.1 Technical data, operating limits and
weights ........................................ 10
9.2 Connection diagram ......................... 10
9.3 Dimensions ................................... 11
9.4 Accessories ................................... 11
9.4.1 Mounting flange .............................. 11
9.4.2 mounting plate ................................ 11
List of figures
Fig. 1 Type plate .................................... 5
Fig. 2 Assembly (example: NIS 4) ................. 5
Fig. 3 Connecting the immersion tubes ............ 6
Fig. 4 Setting the switching points ................. 7
Fig. 5 Switching point for NIS 1 .................... 7
Fig. 6 Switching points for NIS 2 ................... 7
Fig. 7 Switching points for NIS 3 ................... 8
Fig. 8 Switching points for NIS 4 ................... 8
Fig. 9 Electrical connection of device .............. 8
Fig. 10 Connection diagram ......................... 10
Fig. 11 Dimensions ................................... 11
Fig. 12 Mounting flange .............................. 11
Fig. 13 mounting plate ................................ 11
List of tables
Tab. 1 Other application documents, purpose and
where found .................................. 3
Tab. 2 Warnings and symbols ....................... 3
Tab. 3 Servicing activities ........................... 9
Tab. 4 Troubleshooting .............................. 10
2 NIS BA-2022.10.26 EN 302 499
