Waters 2707 Manuel
Waters 2707
Autosampler
Operator’s Guide
71500168202 / Revision A
Copyright © Waters Corporation 2008
All rights reserved
ii
Copyright notice
© 2008 WATERS CORPORATION. PRINTED IN THE UNITED STATES OF
AMERICA AND IRELAND. ALL RIGHTS RESERVED. THIS DOCUMENT
OR PARTS THEREOF MAY NOT BE REPRODUCED IN ANY FORM
WITHOUT THE WRITTEN PERMISSION OF THE PUBLISHER.
The information in this document is subject to change without notice and
should not be construed as a commitment by Waters Corporation. Waters
Corporation assumes no responsibility for any errors that may appear in this
document. This document is believed to be complete and accurate at the time
of publication. In no event shall Waters Corporation be liable for incidental or
consequential damages in connection with, or arising from, its use.
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Other registered trademarks or trademarks are the sole property of their
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Customer comments
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errors you encounter in this document or to suggest ideas for otherwise
improving it. Please help us better understand what you expect from our
documentation so that we can continuously improve its accuracy and
usability.
We seriously consider every customer comment we receive. You can reach us
at tech_comm@waters.com.
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Contacting Waters
Contact Waters®with enhancement requests or technical questions regarding
the use, transportation, removal, or disposal of any Waters product. You can
reach us via the Internet, telephone, or conventional mail.
Safety considerations
Some reagents and samples used with Waters instruments and devices can
pose chemical, biological, and radiological hazards. You must know the
potentially hazardous effects of all substances you work with. Always follow
Good Laboratory Practice, and consult your organization’s safety
representative for guidance.
When you develop methods, follow the “Protocol for the Adoption of Analytical
Methods in the Clinical Chemistry Laboratory,” American Journal of Medical
Technology, 44, 1, pages 30–37 (1978). This protocol addresses good operating
procedures and the techniques necessary to validate system and method
performance.
Decontamination information
For an explanation about how to decontaminate Waters liquid
chromatography/mass spectrometry (LC/MS) products, see the Waters
publication Controlling Contamination in LC/MS Systems (part number
715001307).
Waters contact information
Contacting medium Information
Internet The Waters Web site includes phone numbers
for Waters locations worldwide. Go to
www.waters.com, and click About Waters >
Worldwide Offices.
Telephone In the USA or Canada, phone 508-478-2000.
Conventional mail Waters Corporation
34 Maple Street
Milford, MA 01757
USA
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Safety advisories
Consult Appendix A for a comprehensive list of warning and caution
advisories.
Operating this instrument
When operating this instrument, follow standard quality control procedures
and the guidelines in this section.
Intended use
Waters designed the 2707 Autosampler as a sample handler with a reliable,
precise fluid path versatile enough foruse in varied methods and applications.
The optional heating/cooling module accommodates a wide range of samples,
from heat labile biological samples to viscous polymer samples.
Quality control
Routinely run three quality-control samples that represent subnormal,
normal, and above-normal levels of a compound. Ensure that quality-control
sample results fall within an acceptable range, and evaluate precision from
day to day and run to run. Data collected when quality control samples are out
of range can be invalid. Do not report these data until you are certain that the
instrument performs satisfactorily.
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Table of Contents vii
1 Understanding Operating Principles ................................................ 1-1
Describing the autosampler ........................................................................... 1-2
Listing component parts.................................................................................. 1-3
Identifying options ........................................................................................... 1-5
Exploring injection principles ....................................................................... 1-6
Defining pressure-assisted sample aspiration............................................... 1-6
Understanding syringe and buffer tubing...................................................... 1-7
Full loop injections........................................................................................... 1-8
Partial loop needle overfill injections ........................................................... 1-13
Partial loop injections.................................................................................... 1-18
Using well plates and vial trays .................................................................. 1-24
2 Preparing the Autosampler ................................................................. 2-1
Preparing for installation ............................................................................... 2-2
Setting up the instrument ............................................................................... 2-2
Plumbing the instrument ................................................................................ 2-3
Identifying instrument tubing ........................................................................ 2-7
Routing and connecting the tubing................................................................. 2-8
Working with waste tubing........................................................................... 2-10
Accommodating the wash solvent and syringe rinse................................... 2-10
Making Ethernet connections ...................................................................... 2-11
Controlling I/O connections ......................................................................... 2-12
Defining TTL inputs...................................................................................... 2-12
Explaining contact closure output ................................................................ 2-12
Table of Contents
viii Table of Contents
Connecting to the electricity source .......................................................... 2-13
Installing the prep kit .................................................................................... 2-14
Installing the biocompatibility kit .............................................................. 2-14
3 Maintaining the Autosampler ............................................................. 3-1
Outlining maintenance basics ....................................................................... 3-2
Contacting Waters Technical Service .......................................................... 3-2
Heeding maintenance considerations ......................................................... 3-3
Safety and handling......................................................................................... 3-3
Proper operating procedures........................................................................... 3-4
Cleaning the autosampler ............................................................................... 3-4
Removing or replacing the injection valve rotor seal .............................. 3-5
Installing a sample loop .................................................................................. 3-6
Replacing the sample needle .......................................................................... 3-6
Adjusting needle position ............................................................................... 3-8
Maintaining air needles .................................................................................. 3-8
Replacing air needles..................................................................................... 3-12
Table of Contents ix
Replacing a syringe ........................................................................................ 3-14
Replacing syringe plungers and plunger tips .......................................... 3-15
Replacing the syringe dispenser valve ...................................................... 3-16
Replacing fuses ................................................................................................ 3-19
4 Troubleshooting ..................................................................................... 4-1
Addressing instrument errors ....................................................................... 4-2
Running diagnostic tests ................................................................................. 4-2
Displaying the statuses of signal connections ........................................... 4-2
Changing the rear-panel interface connections ........................................ 4-3
Understanding power surges ......................................................................... 4-4
Understanding the status LED....................................................................... 4-4
Conducting analytical troubleshooting ....................................................... 4-4
A Safety Advisories .................................................................................. A-1
Warning symbols ............................................................................................... A-2
Task-specific hazard warnings........................................................................ A-2
Warnings that apply to particular instruments, instrument components, and
sample types A-3
Caution symbol .................................................................................................. A-5
Warnings that apply to all Waters instruments ......................................... A-5
Electrical and handling symbols ................................................................. A-13
Electrical symbols.......................................................................................... A-13
Handling symbols .......................................................................................... A-14
x Table of Contents
B Materials of Construction and Compliant Solvents ..................... B-1
Preventing contamination ............................................................................. B-2
Naming solvents for mobile phase preparation ....................................... B-2
C Specifications ........................................................................................ C-1
Outlining general specifications .................................................................. C-2
Outlining prep version specifications ........................................................ C-6
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