ClearFox®Control Unit CU-M
11
Figure 5: Parameters for water level measurement in the web pages of the IoT control unit
9.1.2.3 Changing the levels for Normal- / Eco-Mode and Overfill Alarm
The offsets can be changed in the web pages (Pressure measurement / Calibration, see Figure 5)
or in the Service Menu / Pressure.
9.2 PUMP-SBR
9.2.1 Process steps
- Normal mode
o Filling
▪ Via dedicated pump: ON (15min) or until DI1=closed. On timeout (step
time over, DI1=open) => Eco
▪ Via Sludge Pump: ON (10s)+OFF (14:50min) or until DI1=closed. On
timeout (step time over, DI1=open) => Eco
o Denitrification (0:40min ON / 9:20min OFF / 60min Total)
o Aeration (8min ON / 12min OFF / 9.5h Total)
o Sludge (before Settling) (2min)
o Settling (1.5h)
o Sludge (after Settling) (0min)
o Clearwater removal (20min)
o Check DI1, if closed => overfill alarm. Else, continue
- Eco mode
o Aeration (2min ON / 8min OFF / 8:45h Total)
o Filling (only ON (15min) at “Pump”, ON (10s)+OFF (14:50min) at “via Sludge
Pump”). If DI1=closed => Normal, on timeout (step time over, DI1=open) =>
continue Eco
o Each 6 cycles => Normal mode
9.2.2 Selectable output assignment
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