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

Contents – continued –

Changing conﬁguration .........................................................................................................................18

Checking switchpoint and function .......................................................................................................19

Commissioning Procedure

Page

Indicators and adjustors ........................................................................................................................20

Operation, Alarm and Test

Measuring voltage across level electrode ..............................................................................................22

Checking level electrode

Indication, diagnosis and remedy ..................................................................................................20 – 21

Troubleshooting

Electrical Connection

Mains supply ........................................................................................................................................13

Connection of level electrode ................................................................................................................13

Connection of safety circuit ...................................................................................................................13

Connection of logic unit (standby input).................................................................................................13

Connection for signal output .................................................................................................................13

Tools .....................................................................................................................................................14

Wiring diagram for level switch NRS 1-50 .............................................................................................15

Schematic representations of arrangements .........................................................................................16

Explanatory notes to schematic respresentations ..................................................................................17

Factory setting ......................................................................................................................................18

Basic Settings

Emergency operation for water level limiter ..........................................................................................23

Emergency operation

Action against high frequency interference ...........................................................................................24

Interlock and interlock deactivation .......................................................................................................24

Checking the switchpoints ....................................................................................................................24

Decommissioning / replacing level switch .............................................................................................24

Disposal................................................................................................................................................24

Note on the Declaration of Conformity / Declaration by the Manufacturer .......................................24

Further Notes

1 2 3 4 5 6 7 8 ... 27 28

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Flowserve NRS 1-50 For TWO Electrodes User Manual Page 3

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