C.2 Running Hexane and THF with the ACQUITY QDa Detector ......................................................74
C.3 QDa solvent compatibility (KAD) ..................................................................................................75
C.3.1 Items exposed to solvent ....................................................................................................75
C.3.2 Solvents used to prepare mobile phases............................................................................76
C.3.3 Solvents used infrequently..................................................................................................77
C.3.4 Solvents used commonly as diluents..................................................................................78
C.4  QDa solvent compatibility (KAB) ................................................................................................78
C.4.1 Items exposed to solvent ....................................................................................................79
C.4.2 Solvents used to prepare mobile phases............................................................................80
D External connections...............................................................................................82
D.1 External wiring and vacuum connections .....................................................................................82
D.2 Connecting the Standard instrument’s backing pump ..................................................................84
D.3 Connecting the Performance instrument’s backing pump ............................................................85
D.3.1 Making the electrical connections to the rotary backing pump............................................89
D.4 Connecting to the nitrogen gas supply .........................................................................................90
D.5 Connecting and disconnecting the external source exhaust valve assembly (KAB) ....................91
D.5.1 Connecting the external source exhaust valve assembly (KAB).........................................91
D.5.2 Disconnecting the external source exhaust valve assembly...............................................94
D.6 Connecting and disconnecting the internal source exhaust valve assembly (KAD)..................... 94
D.6.1 Connecting the internal source exhaust valve ....................................................................94
D.6.2 Disconnecting the internal source exhaust valve................................................................97
D.7 Source exhaust tubing .................................................................................................................97
D.7.1 Connecting the exhaust-trap bottle .....................................................................................97
D.7.2 Alternate configurations ....................................................................................................101
D.7.3 Connecting the 2.5-L waste container...............................................................................104
D.8 Connecting the nitrogen exhaust line .........................................................................................107
D.8.1 Connecting the exhaust solenoid cable ............................................................................108
D.9 Connecting the workstation ........................................................................................................109
D.9.1 Connecting to the workstation:..........................................................................................110
D.9.2 Connecting the instrument to the power source:...............................................................110
D.10 Connecting Ethernet cables (systems with ACQUITY LC).......................................................110
D.11 Input/output signal connectors..................................................................................................111
D.11.1 Signal connections..........................................................................................................112
June 15, 2017, 715003956 Rev. F
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