GE AKTA avant - Page 75

DescriptionFlow
path
The flow by-passes the column(s). By-pass is the default flow path.By-
pass
The flow direction is from the top of the column to the bottom of the col-
umn. Down flow is the default flow direction.
Down
flow
The flow direction is from the bottom of the column to the top of the col-
umn.
Up
flow
Connect a column to the Column
valve
Both top and bottom of each column shall be connected to the Column valve. The top
of the column shall be connected to an A port (e.g., 1A), and the bottom of the column
shall be connected to the corresponding B port (e.g., 1B). The flow direction can be set
either from the top of the column to the bottom of the column, Down flow, or from the
bottom of the column to the top of the column, Up flow. In the default flow path of the
valve the column is by-passed.
ÄKTA avant User Manual 29035184 AE 75
3 Standard instrument modules
3.6 Column valve