Auxiliary Devices 8
Advanced Operation Manual 243
Setting parameters for auxiliary pressure control
1 Press [Aux EPC #] and scroll to the channel you wish to
control. Press [Enter].
2 Scroll to Initial pressure. Enter a value and press [Enter].
3 If desired, enter a pressure program using the time and
rate functions.
4 Press [On/Yes] to apply Initial pressure and start the
program.
About Aux Thermal Zone Control
There can be up to 3 aux thermal controlled zones.
These zones are 3- ramp programmable.
Run time events may be used to schedule specific
temperatures during the run.
Setting parameters for the aux thermal zone control
1 Press [Aux Temp #] and scroll to the zone you wish to
control. Press [Enter].
2 Scroll to Te mp era tu re. Enter a value and press [Enter].
3 Scroll to Initial time. Enter a value and press [Enter].
4 Scroll to Rate 1. Enter 0 to end the program here or a
positive value to create a temperature program.
About Cryo Trap Control
When configured as a cryo trap, an aux thermal zone has
the following parameters:
Tempera ture Displays the current trap temperature and
setpoint. Press [On/Off] to turn the zone on or off.
• If On, the cryo trap temperature will remain 10 °C above
the current oven temperature, following the oven program.
• If Off, the GC does not control the trap temperature.
Cold Trap Temperature Enter the target temperature for cryo
trap operation and press [Enter]. Enable this temperature
using run time On and Off events for the aux thermal zone.
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