Flowserve NRS 1-50 For TWO Electrodes - Manual (Page 3)

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Contents
– continued –
Changing configuration .........................................................................................................................8
Checking switchpoint and function .......................................................................................................9
Commissioning Procedure
Page
Indicators and adjustors ........................................................................................................................0
Operation, Alarm and Test
Measuring voltage across level electrode ..............................................................................................
Checking level electrode
Indication, diagnosis and remedy ..................................................................................................0 – 
Troubleshooting
Electrical Connection
Mains supply ........................................................................................................................................3
Connection of level electrode ................................................................................................................3
Connection of safety circuit ...................................................................................................................3
Connection of logic unit (standby input).................................................................................................3
Connection for signal output .................................................................................................................3
Tools .....................................................................................................................................................4
Wiring diagram for level switch NRS -50 .............................................................................................5
Schematic representations of arrangements .........................................................................................6
Explanatory notes to schematic respresentations ..................................................................................7
Factory setting ......................................................................................................................................8
Basic Settings
Emergency operation for water level limiter ..........................................................................................3
Emergency operation
Action against high frequency interference ...........................................................................................4
Interlock and interlock deactivation .......................................................................................................4
Checking the switchpoints ....................................................................................................................4
Decommissioning / replacing level switch .............................................................................................4
Disposal................................................................................................................................................4
Note on the Declaration of Conformity / Declaration by the Manufacturer .......................................4
Further Notes