Waters Xevo TQD, Operator'S, Overview And Maintenance Manual

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D-2 Plumbing the IntelliStart Fluidics System
Preventing contamination
For information on preventing contamination, refer to Controlling
Contamination in LC/MS Systems (part number 715001307). You can find
this document on http://www.waters.com; click Services and Support >
Support.
The selector valve
The selector valve is located on the right-hand side of the instrument, behind
the visor. The letters etched on the front of the valve represent the
components to which the associated port is connected. Etched letters with a
light background indicate inputs, while letters with a dark, etched
background indicate outputs. The following table outlines the component to
which each port connects, and whether the port is a fluid input or output.
Selector valve connections:
Port Component Input/Output
P Infusion pump Both
A Sample reservoir A Input
B Sample reservoir B Input
R Rinse/wash bottle Input
W Waste bottle Output
LC LC column Input
S Xevo TQD ion source Output