Flowserve NRS1-9 User Manual
NRS 1-9
Installation Instructions 810831-00
Water-Level Limiter / Controller NRS 1-9
1
Contents
Page
Important Notes
Usage for the intended purpose .................................................................................... 7
Safety note.....................................................................................................................7
Danger ........................................................................................................................... 7
Explanatory Notes
Scope of supply ............................................................................................................. 8
Description .....................................................................................................................8
Function ......................................................................................................................... 8
Design ............................................................................................................................ 9
Technical data ............................................................................................................... 9
Installation
NRS 1-9 ....................................................................................................................... 10
Example of installation ................................................................................................ 15
Wiring
Wiring diagram......................................................................................................... 3, 10
Basic Adjustments
Change-over for sensitivity .......................................................................................... 11
Commissioning
Check wiring ................................................................................................................ 11
Apply power ................................................................................................................. 11
Performance Tests
Low level limiter ........................................................................................................... 12
High level limiter .......................................................................................................... 12
Water level controller ................................................................................................... 12
Annex
Fault finding list for troubleshooting ............................................................................ 13
Declaration of conformity............................................................................................. 14
2
Wiring Diagram
NRS 1-9
Fig. 1
NRG 16-36
3
Functional Elements / Dimensions
A
1
2
MAX 55 °C
Fig. 2
95
158
3
MAX 95 %
4
5
6
A
C
BF
D
D
4
D
Fig. 3
37.5
75
E
120
5
Fig. 4
Functional Elements
Fig. 5
G
5
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