SGB VLXE Ex M Series, Documentation

Page: 2 / 56

VACUUM LEAK DETECTOR VLXE .. Ex M and VLXE .. Ex MMV
28/07/2020
- 2 -
Table of Contents
1. General ................................................................................... 4
1.1 Information ..................................................................... 4
1.2 Explanation of Symbols ................................................. 4
1.3 Limitation of Liability ....................................................... 4
1.4 Copyright ........................................................................ 4
1.5 Warranty Conditions ...................................................... 5
1.6 Customer service ........................................................... 5
2. Safety ...................................................................................... 6
2.1 Intended Use .................................................................. 6
2.2 Obligation of the Operating Company ............................ 6
2.3 Qualification ................................................................... 6
2.4 Personal Protective Equipment ...................................... 7
2.5 Fundamental Hazards .................................................... 8
3. Technical Data of the Leak Detector ................................... 9
3.1 General Data .................................................................. 9
3.2 Electrical Data ................................................................ 9
3.3 EX data .......................................................................... 9
3.4 Switching Values ............................................................ 9
3.5 Field of application ......................................................... 10
4. Design and Function ............................................................. 13
4.1 Design ............................................................................ 13
4.2 Normal operating condition ............................................ 13
4.3 Air Leaks ........................................................................ 14
4.4 Liquid Leaks ................................................................... 14
4.5 Pressure increase above atmospheric pressure in in-
terstitial space when using a VLXE .. MV-Ex, acc. to
chapter 3.5.1 f) as well as 3.5.2 ..................................... 14
4.6 Displays and Controls .................................................... 15
5. Mounting the System ............................................................ 17
5.1 Basic Instructions ........................................................... 17
5.2 Assembly of the Leak Detector ...................................... 17
5.3 Pneumatic Connection Lines ......................................... 18
5.4 Completing Pneumatic Connections .............................. 20
5.5 Electrical Cables ............................................................ 21
5.6 Electrical Wiring Diagram ............................................... 21
5.7 Installation Examples ..................................................... 24
6. Commissioning ..................................................................... 32
6.1 Tightness test ................................................................. 32
6.2 Commissioning the Leak Detector ................................. 32
7. Functional Check and Maintenance .................................... 34
7.1 General .......................................................................... 34
7.2 Maintenance .................................................................. 34
7.3 Functional check ............................................................ 35
8. Malfunction (Alarm) ............................................................... 40
8.1 Alarm Description ........................................................... 40
8.2 Malfunction ..................................................................... 40
8.3 How to Behave ............................................................... 40
9. Spare parts ............................................................................. 41
Contents