50 PL-GPC 220 User Manual
4 Using the Module
Setting Up the PL-GPC 220
Changing Columns
1 Change the Idle and Low flow rates to 0.2 mL/min and the Idle temperature
to 40 °C.
2 Put the instrument into IDLE mode and allow the oven cool.
Oven temperature is at 40 °C.
3 Put the instrument into STANDBY mode and open the oven lids.
4 Assuming that the new columns are already in the required solvent, simply
replace the old columns with the new columns.
OR
If a column solvent transfer is required carry this out according to the
manufacturer’s instructions.
5 Manually start the flow to check for leaks.
Ensure that there are no leaks.
6 Close both the inner and outer oven lids and set the instrument to Run
mode.
Wait until:
• The instrument is maintaining the oven temperature.
• The flow is at the Run flow rate.
7 Purge the DRI reference cell for at least 20 min using the Control software.
Once the DRI baseline has settled after purging, the instrument is ready to use.
Preparations System is in RUN mode.
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