Level is going down
Level 3
« N3 »
Level is rising
Filtration force
Stop filling
Filtration
Autorisation
Level is going down
filtration force
Autorization
of filtration
Stop drain
Filling
Level 1
« N1 »
Level 2
« N2 »
security
level
Filling
Stop filtration
Schematic dia gram
Emptying
Emptying
Tempo
rain
4 - Calibration of thresholds
Security filling
of 30mn until 3h
12
Emptying
Stop fillinf
below 5 cm