Set And Apply The Purge Gas Pressure; Confirm That The Actual Pressure Matches The Setpoint - Agilent Technologies QuickSwap G3185B Installation And Setup

Overview
If not using one of the methods provided, create a new QuickSwap method
from the closest checkout method provided, or from an appropriate
direct-connection method. In this case, Agilent recommends that you read the
Reference Manual
and pressures, and temperatures before continuing.

7. Set and Apply the Purge Gas Pressure

Hydrogen is both a fire and explosion hazard when mixed with air. For this reason,
WA R N I N G
hydrogen must not be used as the purge gas.
Use the MSD ChemStation to enter and apply a pressure setpoint. If using an
auxiliary EPC, the QuickSwap pressure is Aux #5.
To use one of the supplied checkout methods, view the .pdf file (available on
the QuickSwap User Information CD-ROM) for that method and set the
pressure accordingly.
If you are not using a supplied checkout method, we suggest a purge gas
pressure of 4.0 psig as a starting point. This ensures effective exclusion of air
with the column removed. See the

8. Confirm that the Actual Pressure Matches the Setpoint

Use the MSD ChemStation (or the GC front panel) to view the Actual
(measured) pressure and compare it with the Setpoint (desired) pressure. If
they are the same, continue. If not, go to the troubleshooting section in the
Reference
the line, including the tank valve.
24
and its discussions of methods, restrictor selection, flows
Manual. Check your connections and any valves and regulators in
Reference Manual for more information.
QuickSwap Installation and Startup