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SYSTEM OPERATION
MODES OF OPERATION
Table 7-1.
Valve Setup Information
Valve Type
Valve Name/
Function
Position
Names
Notes
SVT3-2
Fraction Collector
Low pressure Diverter
solenoid valve
1 Waste
2 Collect
Functions as a fraction collection diverter,
determined by the actual fraction collection
parameters chosen.
Note: Indicate
the location
of the valve
cable
connection.
Inlet A
Named by user
Inlet B
Named by user
When used before the inlet to Pump A or B, the
valve enables buffer selection. The buffer name
specified for each position will appear in the
Protocol screen’s “Isocratic Flow”, “Linear
Gradient”, and “Change Valve” dialog box. Refer
to Chapter 8, Sample Loading, for examples.
When the
Maximizer is
Aux Pump Inlet
used, inlets A
and B become
A1, A2, B1, B2.
User Assigned
Name
Named by user
Used for auxiliary pump load selection to select
one of two solutions. Refer to Chapter 8, Sample
Loading, for examples.
Named by user
When used for a purpose other than described
above. The name specified for each position will
appear in the Protocol screen’s “Change Valve”
dialog box.
Named by user
When used before the inlet to Pump A or B, the
valve provides preparative sample loading or
buffer selection. The buffer or sample name
specified for each position will appear in the
Protocol screen’s “Isocratic Flow”, “Linear
Gradient”, and “Change Valve” dialog box. Refer
to Chapter 8, Sample Loading, for examples.
SV5-4
Inlet A
Low pressure
solenoid valve Inlet B
Named by user
Note: Indicate
the location
of the valve
cable
connection.
Aux Pump Inlet
Named by user
When the
Maximizer is
used, inlets A User Assigned
and B become Name
A1, A2, B1, B2.
Used for auxiliary pump load selection to select
one of four solutions. Refer to Chapter 8, Sample
Loading, for examples.
Named by user
When used for a purpose other than that
described above. The name specified for each
position will appear in the Protocol screen’s
“Change Valve” dialog box.
AVR7-3
Sample Inject
High pressure
valve
1 Load Sample
2 Inject Sample
3 Purge
For automatically loading a sample.
Note: Indicate
the location
of the valve
cable
connection
Named by user
When used for a purpose other than described
above. The name specified for each position will
appear in the Protocol screen’s “Change Valve”
dialog box. Refer to Section 4, Advanced System
Applications, Chapters 8 through 10.
User Assigned
Name
7-7