AB Sciex QTRAP 4500 LC/MS/MS system, System User'S Manual, Page: 32 / 138

Operating Instructions — Hardware
4500 Series of Instruments System User Guide
32 of 138 RUO-IDV-05-0264-A
Plumb the Diverter Valve
Plumb the diverter valve for both injector and diverter modes.
Plumb the Diverter Valve in Injector Mode
The diverter valve is a two position, 6 port valve. If you put the valve in Position A ( Figure 4-5 ),
the sample flows through the external loop. When you switch the valve to Position B
( Figure 4-6 ), the sample is injected.
Figure 4-5 Diverter Valve—Injector Mode Position A
Item Description
1 Sample in
2 Waste out
3 Sample loop
4 Mobile phase in
5 To column
1
4
6 5
2 3
1
2
3
5
4