Hach-Lange RTC103 N-Module - Manual (Page 4)

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Table of Contents
4.9 Explanations of nitrification controller parameters.............................................................................47
4.9.1 SRT MODE ..............................................................................................................................47
4.9.2 SRT (MANUALLY) ...................................................................................................................48
4.9.3 DAILY SURPLUS MASS..........................................................................................................48
4.9.4 COD-TKN RATIO .....................................................................................................................48
4.9.5 MIN NITRIFERS CONC. ..........................................................................................................48
4.9.6 MAX NITRIFERS CONC. .........................................................................................................48
4.9.7 MODEL CORRECTION FACT. ................................................................................................48
4.9.8 SUBSTIT. DO FOR MODEL ....................................................................................................48
4.9.9 NH4-N SETPOINT ...................................................................................................................48
4.9.10 P FAKT NH4 (only if NH4-N measurement in effluent is available for feed back control)......48
4.9.11 INTEGRAL TIME NH4 (only if NH4-N measurement in effluent is available for feed back
control).........................................................................................................................................49
4.9.12 DERIVATIVE TIME NH4 (only if NH4-N measurement in effluent is available for feed back
control).........................................................................................................................................49
4.9.13 Min DO ...................................................................................................................................49
4.9.14 Max DO ..................................................................................................................................49
4.9.15 SMOOTHING .........................................................................................................................49
4.10 Explanations of DO CONTROL (For DO control option only) .........................................................49
4.10.1 P FAKT O2 (For VFD option only)..........................................................................................49
4.10.2 DERIVATIVE TIME ................................................................................................................49
4.10.3 INT PART ...............................................................................................................................49
4.10.4 DAMPING...............................................................................................................................49
4.10.5 SUBST AERATION ................................................................................................................50
4.10.6 NUMBER OF STAGES ..........................................................................................................50
4.10.7 VFD P MIN (For DO control without VFD option this is fixed to 100%)..................................50
4.11 INPUTS ...........................................................................................................................................50
4.11.1 MIN INFLOW..........................................................................................................................50
4.11.2 MAX INFLOW.........................................................................................................................50
4.11.3 0/4 to 20mA ............................................................................................................................50
4.11.4 MIN RECIRCULATION ..........................................................................................................50
4.11.5 MAX RECIRCULATION .........................................................................................................50
4.11.6 0/4 to 20mA ............................................................................................................................50
4.11.7 Q RECI RATIO .......................................................................................................................50
4.11.8 MIN RETURN SLUDGE .........................................................................................................51
4.11.9 MAX RETURN SLUDGE........................................................................................................51
4.11.10 0/4 to 20mA ..........................................................................................................................51
4.11.11 Q RETURN RATIO...............................................................................................................51
4.12 OUTPUTS .......................................................................................................................................51
4.12.1 MIN DO SETTING (only for option without DO control) .........................................................51
4.12.2 MAX DO SETTING (only for option without DO control) ........................................................51
4.12.3 0/4 to 20mA ............................................................................................................................51