3
LRR 1-50, LRR 1-51 - USA - Installation & Operating Manual -
850702-01
Contents
Changing the equipment settings ..................................................................................................... 23
Switching the unit of measurement/changing the function ............................................................ 23
Conductivity controller LRR 1-50, LRR 1-51 .................................................................................. 24
Tools ............................................................................................................................................. 24
Operating the conductivity controller ............................................................................................... 25
Meaning of codes on the 7-segment display ................................................................................. 25
Bringing into service ......................................................................................................................... 26
Setting parameters ....................................................................................................................... 26
Conductivity controller LRR 1-50: Setting switchpoints and parameters ........................................ 27
Conductivity controller LRR 1-51: Setting switchpoints and parameters ........................................ 29
Operation, alarm and test .................................................................................................................. 30
Conductivity controller LRR 1-50, LRR 1-51: Checking indications and
the function of the MAX output contact ......................................................................................... 30
Password protection ..................................................................................................................... 31
Fault indications and troubleshooting .............................................................................................. 32
Indications, diagnosis and corrective action .................................................................................. 32
Important notes ................................................................................................................................. 33
Action against high-frequency interference ................................................................................... 33
Taking the LRR 1-50, LRR 1-51 out of service .................................................................................. 34
Disposal ............................................................................................................................................. 35
UL components .................................................................................................................................. 35
Declaration of Conformity
Standards and directives .................................................................................................................. 35
