Typical Valve Configurations
1140
Column 1
From Flow controller,
Inj. Port or GSV
Column 2
ON
OFF
Column Selection (Unused Column Isolated), Option 706 or 736
Column 1
Carrier
Carrier
Detector
Column 2
OFF
ON
Sequence Reverse, Option 707 or 737
5 of 10
Valves
Jun 2001
Agilent 6890 Gas Chromatograph Service Manual