Flowserve NRS 2-40 User Manual
Page 2

2
Contents
Usage to the intended purpose ....................................................................................... 7
Safety note / Danger ....................................................................................................... 7
NRS 2-40 ...................................................................................................................... 14
Control range ................................................................................................................ 14
Establish control range ............................................................................................ 15, 16
Establish switchpoints within adjusted control range .................................................... 16
Establish switchpoints ........................................................................................... 16 – 19
Commissioning
Explanatory Notes
Scope of supply .............................................................................................................. 8
System description ......................................................................................................... 8
Function .......................................................................................................................... 8
Technical data ................................................................................................................. 9
Wiring
Wiring diagram ...................................................................................................... 3, 4, 11
Basic Adjustment
CAN bus ........................................................................................................................ 12
Node ID ......................................................................................................................... 12
First / second control equipment .................................................................................. 12
Factory setting .............................................................................................................. 13
Installation
NRS 2-40 ...................................................................................................................... 10
Example of installation ................................................................................................. 29
Important Notes
Page
Normal operation .......................................................................................................... 19
Alarm ............................................................................................................................. 19
High-level alarm ............................................................................................................ 19
Low-level alarm ............................................................................................................. 19
Relay test high/low (
MAX
/
MIN
) level ................................................................................. 20
Operation
Systematic fault finding procedure ................................................................................ 21
Analysis of system malfunctions 1 – 4 .................................................................... 22–24
System Malfunctions
Fault-finding list for troubleshooting ........................................................................ 25, 26
Operation Malfunctions
Factory set default node IDs ......................................................................................... 27
Assigning / changing node IDs ................................................................................ 27, 28
Declaration of conformity .............................................................................................. 29
Annex