Purging Procedure - Agilent Technologies G1323B User Manual

Purging Procedure

1 Ensure that an outlet tube is connected from the purge valve to a waste
2 Open the purge valve.
3 Enter the Analysis screen.
4 Set the purge flow rate in the regular flow rate section of the Analysis
If a flow rate of more than 5 ml/min is used on a quaternary pump, redefine the upper
N O T E
pressure limit to 200 bar (Accessible from the Analysis screen, press the Settings button
[F1], choose pump from the list and press the Enter key. Then choose More ...)
5 Set the first channel to be purged to 100%. We recommend you start with
6 Turn on the pump using the On/Off button [F7] in the Analysis screen.
7 Wait until a continuous stream of solvent comes out of the outlet tube from
8 Turn off the pump using the On/Off button [F7] in the Analysis screen and
9 Repeat the procedure for the other channels you need to purge.
The channels of a pumping system are named A, B, C and D (depending on the pump type).
N O T E
%A is automatically calculated by 100% - (%B + %C + %D). If no values for %B, %C and %D
are entered, %A is always 100%. To purge the pump you have to go through steps
step 8
channel to be purged.
1200 Series Handheld Control Module Users's Guide
solvent bottle.
screen, for example, to 5 ml/min.
the organic solvent channel first. Channel A will automatically be set to
100% when all other channels are set to zero or OFF.
the purge valve.
then close the purge valve.
individually for each of the channels, setting the composition to 100% for the
Using the Pump

Purging Procedure

step 5 to
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