ASXPRESS PLUS Rapid Sample Introduction System Operator’s Manual
Chapter 4: Preparing an ASX-260 or ASX-520 Autosampler
31
Figure 4-6 Gravity Drain with External Peristaltic Pump
Installing a Pumped-Drain Rinse Arrangement with
Both Pumps
If greater flow is required through the rinse station, you may use the external
2-channel peristaltic pump to supply the rinse station, and use the built-in 2-
channel pump to drain the rinse station. Many variations of this configuration
are possible, such as using the built-in pump for the supply and using the
external pump for the drain.
For the EXR-8 extended rack, see the CETAC ASX
PRESS PLUS Rapid Sample
Introduction SystemUpgrade for EXR-8 Autosamplers Installation Guide.
The external pump is powered by the ASX
PRESS PLUS electronics module.
For the external pump, use only the pump provided with the ASXPRESS PLUS system.
1 Connect a container of rinse solution to one input of the external pump, and let
the other input take in air.
2 Connect the outputs of the pump via a Y connector and then to the inlet port of
the rinse station.
3 Connect the outlet of the rinse station to a Y connector and then to the inputs
of the built-in pump.
4 Connect the outputs of the built-in pump to waste container.
5 Connect the power cord of the external pump to the EXTERNAL PUMP
connector on the ASX
PRESS PLUS electronics module.
CAUTION
Rinse
Solution
Air
To Waste
Container
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