Design and function
3.3.1 Design of the control unit
1
3
2
4
5
7
6
Fig. 3:
Design of the control unit
Legend
1 LCD-display
2 LEDs for status display
3 Operating keys
4 Battery compartment
5 Connection mains adapter (9V DC)
6 Connection for conductivity sensor
7 LAN-connection
3.3.2
Design of the connection flange
2
3
1
Fig. 4:
Design of the connection flange
Legend
1 Manual downstream shut-off valve
2 Test plug for check valve
3 Check valve
11
