2
Contents
Page
Important notes
Usage for the intended purpose ...............................................................................................................4
Function ..................................................................................................................................................4
Safety note ..............................................................................................................................................5
Directives and standards
EU Pressure Equipment Directive 2014/68/EU .........................................................................................6
VdTÜV Bulletin "Water Monitoring 100" ...................................................................................................6
LV (Low Voltage) Directive and EMC (Electromagnetic Compatibility) ........................................................6
ATEX (Atmosphère Explosible) .................................................................................................................6
Note on the Declaration of Conformity / Declaration by the Manufacturer ..........................................6
Technical data
LRS 1-50 ................................................................................................................................................7
Scope of supply ......................................................................................................................................8
Name plate / marking .............................................................................................................................8
In control cabinet: Mounting the conductivity switch
Dimensions LRS 1-50 .............................................................................................................................9
Key .........................................................................................................................................................9
Installation in control cabinet ...................................................................................................................9
In control cabinet: Wiring the conductivity switch
Wiring diagram for conductivity switch LRS 1-50 ..................................................................................10
Key .......................................................................................................................................................10
Connection of supply voltage .................................................................................................................11
Connecting output contacts ...................................................................................................................11
Connecting conductivity electrode LRG 12-2, LRG 16-4, LRG 17-1 and LRG 19-1,
resistance thermometer TRG 5-.. ...........................................................................................................11
Connection of conductivity electrode LRG16-9 ......................................................................................11
Attention ...............................................................................................................................................11
In the plant:
Wiring the conductivity electrode
Connecting conductivity electrode LRG 12-2, LRG 16-4, LRG 17-1 and LRG 19-1,
resistance thermometer TRG 5-.. ...........................................................................................................12
Connection of conductivity electrode LRG16-9 ......................................................................................12
