User`s guide

Connect the gas supply line to the carrier in port on the rear panel of

the TD.

1. Ensure the transfer line has been connected correctly to

the GC. See Installing the Heated Transfer Line on page

51.

2. Set the carrier gas delivery pressure to 90 psig (620

kPa). See Connect to the ATD/TD Gas Supply System on

page 69.

3. Open the PNU tab and adjust the pressure regulator to

obtain the required head pressure. You can view the

head pressure on the touch screen display, by checking

the Show Actual box.

4. To determine the flow rate, connect a flow meter to the

column outlet on the GC. Refer to the flow rates table,

Appendix D Carrier Gas Pressures on page 388.

5. Adjust the carrier gas control until you have obtained

the desired head pressure or flow rate for the column.

Refer to your GC manual for details and reference

tables.

Setting the Desorb and Inlet Split Flow Rates

for the Manual Pneumatics TurboMatrix

Series 100 TD and 150 ATD

The Adjust Inlet Split command will move a tube into the carrier

gas system, rotate the heated valve and then open the valves

controlling the tube desorption and inlet split flow so that you can

adjust a needle valve on the ATD/TD to obtain the required flow

settings. See Setting Sample Split Ratios on page 228 for details of

determining the value of the split flow rates.

The desorb flow and inlet split flow may be inter-dependent.

Adjusting one may directly affect the other. Set the inlet split flow

first and then set the desorb flow. Check the inlet flow again. You

WARNIN

Do not set the delivery pressure higher than 100 psig

(690 kPa).