Waters ACQUITY UPLC Operator's, Overview And Maintenance Manual page 73

Use a pen to coil any excess tubing on any of the connections.
Tip:
5. When all valve connections are made, rotate the valve's lock ring
counterclockwise, to the 12 o'clock position.
6. Push the switching-valve assembly inward until it stops.
7. Plug all unused ports on the inlet and outlet switching valves using pin
plugs.
Four-column configuration, with inlet switching-valve on the
right-hand side:
To detector
Column Manager-Aux
2
B
O
3
4
5
Column Manager
Sample Manager
1
Outlet
switching
W
valve
6
Preparing the column compartments
Column
APH
position 1
Column
APH
position 2
Drip tray
Drip tube
3
2
1
B
Inlet
switching
3
I W
valve
4
6
5
4
Column
APH
position 3
Column
APH
position 4
Drip tray with
leak detector
Injector
Tubing
Router
6
69