Alyza IQ PO4
Commissioning
71
ba76201d03
05/2020
figure 3-31Filtration pump
1
Vent valve
2
Vent connection
Open and then close again the ventilation valve (1).
Fill the intake line with water manually:
– Switch off the filtration pump.
– Pull the intake line off the filtration pump.
– Fill the intake line with water (e.g. using a wash bottle).
– Connect the intake line to the pump again and secure it.
– Switch the filtration pump on again.
Increase the suction power manually:
– At the vent connection (2), connect a syringe with a tube:
– Open the vent valve (1).
– Create an additional negative pressure with the syringe.
– Close the vent valve (1).
– Repeat the procedure until sample runs into the overflow vessel.
– Remove the tube and syringe from the vent connection (2).
1
2
6
As soon as a sufficient amount of sample is flowing, reduce the pump
capacity as far as possible (to approx. 2 - 10 %) with the rotary knob.
Adjust the pump capacity so that the sample overflow can drain off
through the sample overflow tube into the collection funnel for the
sample overflow.
No sample may come into the housing through the vent valve (1).
7
Alyza IQ variant with 2 sample channels:
Take the second filtration pump into operation.
8
Let the sample feed run continuously, until the sample flow is stable and
no more air is in the lines.
9
Close the doors of the housing.
10
If necessary, commission the IQ S
ENSOR
N
ET
system (see the relevant
IQ S
ENSOR
N
ET
system operating manual).
Summary of Contents for WTW Alyza IQ PO4
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