Thermo Scientific Dionex AS-DV, Руководство оператора

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3 • Operation and Maintenance
Doc. 065259-05 10/12
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To interrupt the autosampler when a sequence is not running, click
Stop on the Dionex AS-DV ePanel in Chromeleon 7 or the Dionex
AS-DV Control panel in Chromeleon 6.8.
NOTE After the Dionex AS-DV stops its current
operation, the carousel returns to the home
position (position 1). Do not reach into the
autosampler while the carousel is moving!
3.8.2 Specifying a Bleed
A bleed delivers excess sample (and any trapped air) from the vial to
waste, before delivering the injection volume to the sample loop or
concentrator column. Excess sample is any sample above the fill line on
the vial (see
Figure 2-7 ).
You can use either the injection valve or an optional high-pressure valve
configured as an auxiliary valve to perform the bleed. For details about
plumbing a high-pressure valve as a bleed valve, see
Section 2.2.3 .
Enabling a Bleed
1. If you are creating a new instrument method or program, go to the
Sample Preparation Options page of the Instrument Method Wizard
or Program Wizard (see
Figure 3-8 ).
If you are editing an existing instrument method or program, go to the
Sample Preparation page of the Instrument Method Editor or Program
Editor.
2. If you are using Basic Edit Mode : In the Bleed list, select the valve
position that will direct the bleed to waste. For the typical injection
valve plumbing, select
InjectPosition (see Figure 3-8 ). For the
typical auxiliary valve plumbing, select AuxValve.A (see