2 Install the e2695 Separations Module
64 July 29, 2013, 715003794 Rev. B
Connect the column selection valve
These optional column selection valves switch the flow path among multiple
columns:
• 3-column selection valve
• 6-column selection valve
• 2-column regeneration valve
Two-column selection valve
The 2-column (6 port, 2 position) selection valve is a standalone option, which
you can order for field installation.
Three-column selection valve
The 3-column selection valve is an eight-port, three-position valve
preconfigured at the factory as follows:
• Port 1 – Routed to the column (a 2.1 mm × 50 mm column is supplied)
• Port 2 – Routed to waste
• Port 3 – Routed through a restrictor bypass to the detector
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