Table of contents Page
1 Object..................................................................................................................2
2 Field of application...............................................................................................2
2.1 Interstitial space requirements 2
2.2 Material to be stored 2
2.3 Resistance/materials 2
2.4 Tanks with up to 0.5 bar superimposed pressure 3
2.5 Tanks with pressures up to 5 bar (in liquid leak case) 4
2.6 Tanks with up to 10 bar superimposed pressure 4
3 Functional description..........................................................................................4
3.1 Normal operation 4
3.2 Air leak 4
3.3 Liquid leak 5
3.4 Switching values of the leak detector 5
3.5 Description of the display and operating elements 6
4 Mounting instructions...........................................................................................7
4.1 General notes 7
4.2 Mounting the leak detector 7
4.3 Mounting the (pneumatic) connection lines 8
4.4 Mounting the probe (VL .. E only) 9
4.5 Mounting the solenoid valve(s) (VL .. E only) 9
4.6 Selection of the (electrical) supply line (VL .. E only) 10
4.7 Electrical connection 10
4.8 Installation examples 11
5 Start-up................................................................................................................11
6 Operating instructions..........................................................................................12
6.1 General instructions 12
6.2 Intended use 12
6.3 Maintenance 12
6.4 Functional test 13
6.5 Alarm 16
7 Marking ...............................................................................................................16
8 Index used...........................................................................................................16
Drawings:
Position of three-way valves P–060 000
Installation examples (basic sketches) for tanks A–01 to O–01
Block diagram VL .. SL–853 600
Block diagram VL .. E SL–854 800
Testing equipment P–115 392
Appendices:
A Use of the leak detector VL .. on tanks with interstitial spaces filled
with leak detection liquid A-1
E Usage limits VL .. E-1
TD Technical data TD-1
DP Evaluating the display for the function “Tightness test” DP-1
W Using the VL .. leak detector on tanks which have been W-1
allowed to warm up
FA Programming the filling level indicator FA7 FA-1
