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NRR 2-52, NRR 2-53, URB 55 - Installation & Operating Manual -
850646-00
Contents
Configuring the level controller ................................................................................................................... 52
Setting the MIN/MAX switchpoints and set point ...................................................................................... 52
Automatic / Manual mode ........................................................................................................................ 53
Trend log ................................................................................................................................................. 54
Test - Testing the relays of the connected level controller ......................................................................... 55
Valve calibration in manual mode when a feedback potentiometer is connected ...................................... 56
Pump control * ......................................................................................................................................... 57
Calibrating the boiler level ....................................................................................................................... 58
Setting the level controller ....................................................................................................................... 59
Guide to setting control parameters ......................................................................................................... 59
Setting the level controller for 3-component control ................................................................................. 60
System malfunctions - URB 55 .................................................................................................................... 61
Display of system malfunctions in the alarm and error list using fault codes ............................................ 61
Common faults and issues during use of the URB 55 ............................................................................... 62
System malfunctions - NRR 2-52, NRR 2-53 ............................................................................................... 63
Causes .................................................................................................................................................... 63
Before starting systematic troubleshooting, check the installation and configuration. ............................... 63
What to do in the event of system malfunctions......................................................................................... 64
Checking installation and function ........................................................................................................... 64
Taking the NRR 2-52, NRR 2-53 out of service ............................................................................................ 64
Taking the URB 55 out of service ................................................................................................................. 64
Disposal ........................................................................................................................................................ 65
Returning decontaminated equipment ........................................................................................................ 65
EU Declaration of Conformity - NRR 2-52, NRR 2-53 .................................................................................. 66
EU Declaration of Conformity - URB 55........................................................................................................ 66
