Flowserve NRR 2-40 - Manual (Page 2)

2
Contents
Page
Important Notes
Usage for the intended purpose ..................................................................................... 7
Safety note / Warning ...................................................................................................... 7
Explanatory Notes
Scope of supply .............................................................................................................. 8
System description ......................................................................................................... 8
Function .......................................................................................................................... 8
Technical data ................................................................................................................ 9
Installation
NRR 2-40 ...................................................................................................................... 10
Example of installation ................................................................................................. 35
Wiring
Wiring diagram ............................................................................................... 3, 4, 10, 11
Basic Adjustments
CAN bus ........................................................................................................................ 12
Node ID ......................................................................................................................... 12
Factory setting .............................................................................................................. 13
Controller NRR 2-40 ..................................................................................................... 13
Commissioning
NRR 2-40 ...................................................................................................................... 14
Control range ................................................................................................................ 14
Adjusting the control range .................................................................................... 14, 15
Establishing switchpoints and proportional band .................................................. 16–19
Calibrating the feedback potentiometer of an external control valve .......................... 20
Operation
Normal operation .......................................................................................................... 21
Alarm / High-level alarm / Low-level alarm .................................................................. 21
Relay test high / low level alarm .................................................................................... 22
System Malfunctions
Systematic fault finding prodedure ............................................................................... 23
System malfunctions 1 to 4 ................................................................................... 24–26
Operation Malfunctions
Fault-finding list for troubleshooting ...................................................................... 26–27
Annex
Factory set default node ID ................................................................................... 28, 29
Assigning/changing node ID ......................................................................................... 28
Neutral band ................................................................................................................. 30
Establishing / changing neutral band .................................................................... 30–32
Declaration of conformity .............................................................................................. 34