YSI P 700 IQ Analyzer - Manual (Page 45)

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P 700 IQ
6 As soon as enough sample is running, reduce the pump power to
5 - 10 % with the aid of the arrow keys.
7 Close the doors of the enclosure.
8 If necessary, commission the IQ S
ENSOR
N
ET
system (see the rel-
evant IQ S ENSOR N ET system operating manual).
If no sample runs into the overflow vessel, proceed in one
of the following ways:
• Fill the suction line with water manually:
• Switch off the filtration pump.
• Pull the intake tube off the filtration pump.
• Fill the intake tube with water (e.g. using a wash
bottle).
• Connect the intake tube to the pump again and
secure it.
• Switch on the filtration pump.
• 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 con-
nection (2).
Fig. 3-21: Filtration pump
1 Vent valve
2 Vent connection
1
2