
5.
Screw the injection valves into a straight union of the filtration
circuit pipe
1
2
3
4
5
6
A0929
Fig. 7: Connect the tube using the connector kit
1. Valve
2. O-ring
3. Nozzle
4. Clamp ring
5. Union nut
6. Hose
6.
Connect the suction hose of the suction assembly to the con‐
nector kit on the liquid end
7.
Connect the pressure hose to the pressure connector using
the connector kit
8.
Connect the pressure hose to the injection valve using the
connector kit
To ensure reliable measuring and control, the sample
water must be free from air bubbles.
1.
Set a flow of 20 ... 60 l/h using the stopcock (read-off at the
top edge of the float).
2.
Check the hydraulic leak-tightness of the system (escaping
liquid, continuous air bubbles in the in-line probe housing, ...)
ð
Tighten the threaded connectors if necessary.
1.
Have a collecting vessel at the ready
Open the sampling tap
Testing the hydraulic installation of
the metering system:
Check the system for negative pres‐
sure
Assembly
19