Thermo Scientific Dionex AS-DV User manual

Dionex AS-DV Autosampler
Operator's Manual
Document No. 065259
Revision 05
October 2012

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The contents of this document are subject to change without notice. All technical
information in this document is for reference purposes only. System configurations and
specifications in this document supersede all previous information received by the
purchaser.
Thermo Fisher Scientific Inc. makes no representations that this document is complete,
accurate, or error-free and assumes no responsibility and will not be liable for any errors,
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information in the document is followed properly.
Revision history: Revision 01 released April 2009
Revision 02 released July 2009
Revision 03 released May 2010
Revision 04 released December 2011
Revision 05 released October 2012
For Research Use Only. Not for use in diagnostic procedures.

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1 • Introduction to the Dionex AS-DV. . . . . . . . . . . . . . . . . 1
1.1 Overview of the Dionex AS-DV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.2 About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.3 Safety and Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.3.1 Safety Messages and Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.3.2 Safety Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.4 Deionized Water Requirements for IC . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.4.1 Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2•Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 Operating Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1.1 Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1.2 Front Interior Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.1.3 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.2 Dionex AS-DV Operating Principles . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.2.1 Sampling Operating Principles . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.2.2 Rinsing Operating Principles . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.2.3 Optional High-Pressure Valve Operating Principles . . . . . . . . 15
2.3 Chromeleon Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.3.1 Software Control Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.3.2 System Wellness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Contents

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3 • Operation and Maintenance . . . . . . . . . . . . . . . . . . . . . . . .21
3.1 Preparing the Sample Vials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
3.1.1 Cleaning the Vials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
3.1.2 Cleaning the Caps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
3.1.3 Cleaning the Filter Caps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
3.1.4 Filling the Vials and Installing the Caps . . . . . . . . . . . . . . . . . .23
3.2 Turning on the Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
3.3 Loading the Vial Carousel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
3.4 Connecting to Chromeleon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
3.4.1 Connecting to Chromeleon 7 . . . . . . . . . . . . . . . . . . . . . . . . . . .26
3.4.2 Connecting to Chromeleon 6.8 . . . . . . . . . . . . . . . . . . . . . . . . .28
3.5 Creating a Chromeleon Instrument Method or Program . . . . . . . . . . . .30
3.5.1 Creating an Instrument or a Program with the Wizard . . . . . . .30
3.5.2 Dionex AS-DV General Parameters . . . . . . . . . . . . . . . . . . . . .32
3.5.3 Basic Edit Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
3.5.4 Advanced Edit Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
3.6 Creating a Chromeleon Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
3.7 Starting a Run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
3.8 Operating Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
3.8.1 Interrupting the Autosampler . . . . . . . . . . . . . . . . . . . . . . . . . .38
3.8.2 Specifying a Bleed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
3.8.3 Specifying a Rinse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
3.8.4 Returning to a Vial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
3.8.5 Replacing Vials During a Run . . . . . . . . . . . . . . . . . . . . . . . . . .47

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3.8.6 Inserting a Priority Sample . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
3.8.7 Controlling the Delivery Volume . . . . . . . . . . . . . . . . . . . . . . . 49
3.8.8 Using Sample Overlap Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 53
3.9 Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
3.9.1 Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
3.9.2 Annual Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
4 • Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
4.1 Alarms and Error Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
4.2 Liquid Leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
4.3 Poor Peak Reproducibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
4.4 Unexpected or Extraneous Peaks Detected . . . . . . . . . . . . . . . . . . . . . . 66
4.5 Sample Not Loaded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
4.6 Autosampler Stops Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
4.7 Excessive Backpressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
4.8 Autosampler Jammed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
5•Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
5.1 Replacing Tubing and Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
5.2 Removing the Carousel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
5.3 Replacing the Sampling Tip and Tubing . . . . . . . . . . . . . . . . . . . . . . . . 74
5.4 Manually Raising the Sampling Head . . . . . . . . . . . . . . . . . . . . . . . . . . 77
5.5 Rebuilding a High-Pressure Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
5.6 Replacing a High-Pressure Valve Pod . . . . . . . . . . . . . . . . . . . . . . . . . 81

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5.7 Replacing the Main Power Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
A • Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
A.1 Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
A.2 Physical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
A.3 Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
A.4 Sampling Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
A.5 Sample Vials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
B • Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
B.1 Facility Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
B.2 Unpacking the Dionex AS-DV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
B.3 Connecting the Dionex AS-DV Sample Out Line . . . . . . . . . . . . . . . . .88
B.3.1 Connecting the Sample Out Line Directly to an IC System. . . .89
B.3.2 Connecting the Sample Out Line to the Optional
High-Pressure Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
B.4 Connecting the Drain Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
B.5 Installing Chromeleon and the Chromeleon Software License . . . . . . .95
B.6 Connecting the Dionex AS-DV to the Chromeleon PC . . . . . . . . . . . . .95
B.7 Connecting the Power Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
B.8 Setting Up Chromeleon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
B.8.1 Installing the Dionex AS-DV Device Driver . . . . . . . . . . . . . . .97
B.8.2 Configuring the Dionex AS-DV in Chromeleon . . . . . . . . . . . .98
B.8.3 Connecting to the ePanel Set or Panel Tabset . . . . . . . . . . . .100

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B.8.4 Verifying Chromeleon Communication . . . . . . . . . . . . . . . . . 102
B.8.5 Setting Up the Dionex AS-DV for Simultaneous Injections. . 102
C • Relay Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
C.1 TTL Input Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
C.1.1 Load Cycle Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
C.1.2 Delivery Speed, Flush Factor, and TTL Homing
Delay Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
C.1.3 TTL Input Control Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
C.2 Connecting to the Relay Output and TTL Input . . . . . . . . . . . . . . . . . 108
C.3 Example Connections for Stand-Alone Operation . . . . . . . . . . . . . . . 109
C.4 Controlling the Relay Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
D • Reordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Index

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1 • Introduction to the Dionex AS-DV
1.1 Overview of the Dionex AS-DV
The Thermo Scientific Dionex™AS-DV Autosampler is a compact autosampler
that is capable of delivering between 0.1 mL and 5.0 mL of sample (in 0.1 mL
increments) to the sample loop or concentrator column in an ion chromatography
(IC) system. The Dionex AS-DV is compatible with the Thermo Scientific
Dionex ICS-5000, ICS-2100, ICS-1600, ICS-1100, and ICS-900 systems, as well
as legacy IC systems.
The Dionex AS-DV holds 50 vials (either 0.5 mL or 5.0 mL, or a combination of
the two sizes). Vials can be sampled in any order and multiple samples can be
taken from each vial. The autosampler remembers the vial size and volume
delivered for each vial position, allowing multiple samples to be taken from a vial
non-sequentially.
The unique Thermo Scientific Dionex PolyVial™sample vial incorporates a cap
that acts as a simple piston to force sample out of the vial. This eliminates the
need for an external sampling pump. Sample can be delivered to a sample loop or
a concentrator column with backpressures up to 690 kPa (100 psi). Caps with a
20 m filter are available to remove solid materials from the sample before
injection.
The Dionex AS-DV can be configured either without a valve (the standard
configuration) or with an optional 6-port high-pressure valve or 10-port high
pressure valve.
The Dionex AS-DV is controlled with a PC configured with Thermo Scientific
Dionex Chromeleon®7 Chromatography Data System (release 7.0 or later) or
Chromeleon 6.8 Chromatography Data System (release 6.80 SR6a or later). The
autosampler connects to the Chromeleon PC with a USB cable.
The Dionex AS-DVcan also be operated under relay control from a device
capable of executing timed events, such as a previous generation IC system
without USB connectivity.

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The Dionex AS-DVcan be ordered with the accessories needed for sampling from
either 0.5 mL vials or 5.0 mL vials:
•Order P/N 068908 to sample from 0.5 mL vials (Ship Kit P/N AAA-071115)
•Order P/N 068907 to sample from 5.0 mL vials (Ship Kit P/N 068887)
NOTE Vials must be ordered separately.
1.2 About This Manual
The electronic version (i.e., PDF file) of the Dionex AS-DVoperator’s manual
contains numerous links that you can click to take you to other locations within
the file. These links include:
•Table of contents entries
•Index entries
•Cross-references (underlined in blue) to sections, figures, tables, etc.
If you are not familiar with how to navigate PDF files, refer to the Help system for
Adobe®Acrobat® or Adobe Reader®for assistance.
Chapter 1,
Introduction
Introduces the Dionex AS-DV; explains the conventions
used in this manual, including safety-related information.
Chapter 2,
Description
Describes Dionex AS-DVoperating features and the
software required for autosampler control.
Chapter 3,
Operation and
Maintenance
Provides operating instructions for the Dionex AS-DV
and describes routine preventive maintenance procedures.
Chapter 4,
Troubleshooting
Lists problems and presents step-by-step procedures for
how to isolate and eliminate the cause of each problem.
Chapter 5,
Service
Provides step-by-step instructions for routine service and
parts replacement procedures that the user can perform.
Appendix A,
Specifications
Contains the Dionex AS-DVspecifications and facility
requirements.
Appendix B,
Installation
Provides specifications and installation site requirements
for the Dionex AS-DV.

1•IntroductiontotheDionexAS-DV
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1.3 Safety and Regulatory Information
The Dionex AS-DV was manufactured by Thermo Fisher Scientific at the
following location: 527 Lakeside Drive, Sunnyvale, CA 94088-3603 U.S.A. The
Dionex AS-DV is designed for use with ion chromatography (IC) systems and
should not be used for any other purpose. Thermo Scientific does not recommend
the use of flammable solvents in the Dionex AS-DV vials. Operation of a Dionex
AS-DV in a manner not specified by Thermo Scientific may result in personal
injury.
If there is a question regarding appropriate usage, contact Technical Support for
Dionex products. In the U.S. and Canada, call 1-800-346-6390. Outside the U.S.
and Canada, call the nearest Thermo Fisher Scientific office.
1.3.1 Safety Messages and Notes
This manual contains warnings and precautionary statements that, when
properly followed, can prevent personal injury to the operator and/or
damage to the Dionex AS-DV. Safety messages appear in bold type and
are accompanied by icons, as shown here.
Appendix C,
Relay Control
Provides details about setting up the Dionex AS-DVfor
relay control operation.
Appendix D,
Reordering
Information
Lists part numbers of sample vials and other supplies for
convenience when reordering.
Indicates an imminently hazardous situation which, if not avoided, will
result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, may
result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, may
result in minor or moderate injury. Also used to identify a situation or
practice that may seriously damage the instrument, but will not cause
injury.
Indicates that the function or process of the instrument may be
impaired. Operation does not constitute a hazard.

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Messages d’avertissement en français
Warnhinweise in Deutsch
Informational messages also appear throughout this manual. These are
labeled NOTE and are in bold type:
NOTE NOTES call attention to certain information. They alert
you to an unexpected result of an action, suggest how to
optimize instrument performance, etc.
Signale une situation de danger immédiat qui, si elle n'est pas évitée,
entraînera des blessures graves à mortelles.
Signale une situation de danger potentiel qui, si elle n'est pas évitée,
pourrait entraîner des blessures graves à mortelles.
Signale une situation de danger potentiel qui, si elle n'est pas évitée,
pourrait entraîner des blessures mineures à modérées. Également
utilisé pour signaler une situation ou une pratique qui pourrait
gravement endommager l'instrument mais qui n'entraînera pas de
blessures.
Bedeutet unmittelbare Gefahr. Mißachtung kann zum Tod oder
schwerwiegenden Verletzungen führen.
Bedeutet eine mögliche Gefährdung. Mißachtung kann zum Tod oder
schwerwiegenden Verletzungen führen.
Bedeutet eine mögliche Gefährdung. Mißachtung kann zu kleineren
oder mittelschweren Verletzungen führen. Wird auch verwendet, wenn
eine Situation zu schweren Schäden am Gerät führen kann, jedoch
keine Verletzungsgefahr besteht.

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1.3.2 Safety Symbols
The symbols below appear on the Dionex AS-DV or on Dionex AS-DV
labels.
1.4 Deionized Water Requirements for IC
For all procedures requiring deionized water, use ASTM Type I (18 megohm-cm)
filtered and deionized water that meets the specifications listed in Table 1-1.
Alternating current
Primary protective conductor terminal
Secondary protective conductor terminal
Power supply is on
Power supply is off
Indicates a potential hazard. Refer to this operator’s
manual for an explanation of the hazard and how to
proceed.
Contaminant Specification
Ions–Resistivity >18.0 (megohm-cm)
Organics–TOC <10 ppb
Iron/Transition Metals* <1 ppb
Pyrogens <0.03 (Eu/mL)
Particulates > 0.2 µm <1 (units/mL)
Colloids–Silica <10 ppb
Bacteria <1 (cfu/mL)
* Iron/transition metal content not specified for ASTM Type I Water
Table 1-1. ASTM Filtered, Type I Deionized Water Specifications

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1.4.1 Declaration of Conformity
The cETLus and CE marks on the Dionex AS-DV model/data label
indicate that the autosampler is in compliance with the following
standards.

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2•Description
2.1 Operating Features
2.1.1 Front View
Figure 2-1 illustrates the main operating features of the Dionex AS-DV.
Figure 2-1. Dionex AS-DV Front View
Sampling
Head Tower
Vial Carousel
LED Display Front Cover
Carousel Cover
Carousel
Release Button
(Not visible in
photo)

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LED Display
Four LEDs on the Dionex AS-DV front panel (see Figure 2-2) indicate
the status of the following autosampler functions.
Other status information and alarm messages are displayed in the audit
trail in Chromeleon. For a description of these messages, see Section 4.1.
Sampling Mechanism
The sampling mechanism consists of a sampling head tower, a vial
carousel, and a carousel cover (see Figure 2-1).
•The sampling head tower delivers sample from the sample vials to the
sample out line, which exits the front of the Dionex AS-DV (see
Section 2.1.2). For a description of how the sampling mechanism
operates, see Section 2.2.1.
•The carousel holds the PolyVials containing sample or rinse solution.
Vial numbers are molded into the top of the carousel to indicate the
sampling position. Vials can be placed in any order in the carousel.
The Chromeleon sequence controls the order in which sampling
occurs. For a description of how to create a sequence, see Section 3.6.
Sensors in the sampling mechanism detect the presence (and the size)
of the vial under the sampling head tower.
Figure 2-2. Status LEDs
CONNECTED This LED is on when the Dionex AS-DV is connected to
Chromeleon.
ALARM This LED flashes when a problem has occurred. Check
the Chromeleon audit trail for the cause.
CAROUSEL This LED is on when the carousel is engaged.
POWER This LED is on when the Dionex AS-DV power is on.
CONNECTED ALARM CAROUSEL POWER

2•Description
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•The carousel cover protects light-sensitive samples and the interior of
the Dionex AS-DV. To access the sampling head tower and carousel,
lift up the cover.
Carousel Release Button
The Carousel Release button on the inside of the chassis performs two
functions:
•Engages and disengages the carousel from the motor.
•Resets vial memory (clears presence, vial size, and volume remaining
information). Before starting a run, always press Carousel Release to
reset the vial information.
PolyVials
The vial carousel holds up to 50 0.5 mL or 5.0 mL disposable plastic
PolyVials or a combination of the two sizes. Vial adapters (P/N 071901,
package of 50) are required to load 0.5 mL vials into the carousel.
Adapters are included in the Dionex AS-DV Ship Kit for 0.5 mL vials
(P/N AAA-071115). PolyVials serve both rinse and sample functions.
NOTE Thermo Fisher Scientific does not recommend the
use of flammable solvents in the Dionex AS-DV
vials.
Vial Caps
Vial caps perform an important function in sample loading (see
Section 2.2.1). They also minimize evaporation, contamination, or spills
of sample while awaiting use. Caps with 20 m filters are available. The
filter traps particulates that might contaminate the analytical system.
PolyVials and caps can be used for loading sample to either a sample loop
or a concentrator column. An insertion tool (P/N 037987), included in the
To avoid trapping dust particles in the vial caps, always operate the
Dionex AS-DV with the carousel cover closed.
Before starting a run, always press the Carousel Release button to
disengage the carousel and reset the vial information. After loading
the vials in the carousel, press the Carousel Release button again to
engage the carousel.

Dionex AS-DV Operator’s Manual
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Dionex AS-DV Ship Kit, simplifies insertion of the caps. Appendix D
contains part numbers for PolyVials, vial caps, and other accessories.
Vial Adapters
Before loading a 0.5 mL vial into the carousel, insert a vial adapter
(P/N 071901, package of 50) onto the vial (see Figure 2-3). After you
load the vial into the carousel, twist the adapter slightly to the right to lock
the adapter in place.
Vial Tray
Vial trays (either for 0.5 mL or 5.0 mL vials) are included in the
respective Dionex AS-DV Ship Kit (P/N AAA-071115, Ship Kit for
0.5 mL vials; P/N 068887, Ship Kit for 5.0 mL vials). Place vials into the
tray and then fill them until the liquid in the vials reaches the top of the
tray.
Figure 2-3. Vial Adapter for 0.5 mL Vials
Adapter for 0.5 mL vial Adapter installed on vial

2•Description
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2.1.2 Front Interior Features
Figure 2-5 illustrates the front interior of the Dionex AS-DV. To access
the front interior, remove the front cover by gripping the indentations at
each side and pulling the cover straight off toward you.
Figure 2-4. Vial Tray (0.5 mL Version Shown)
Figure 2-5. Front Interior View with Optional High-Pressure Valve
Fill vials to
this level
Optional
Valve
Sample
Out line

Dionex AS-DV Operator’s Manual
12 Doc. 065259-05 10/12
Sample Out Line
The sample out line is routed from the sampling mechanism through an
aperture in the front interior. From there, it is connected either to the high-
pressure valve in the Dionex AS-DV (if installed) or to the injection valve
in the IC system.
High-Pressure Valve (Optional)
Either a 6-port or a 10-port high-pressure valve can be installed in the
Dionex AS-DV. The valve can be configured to operate as an injection
valve or an auxiliary valve in an application (for example, it can be used
as a bleed valve or to load a concentrator column).
For details about operation of the high-pressure valve, see Section 2.2.3.
For valve installation instructions, see Section B.3.2.