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Introduction 
 Model GFC7000TA Carbon Dioxide Analyzer 
 
 
Teledyne Analytical Instruments 
3 GETTING STARTED: 
Instructions for setting up, installing, and performing a functional check and initial calibration. 
4 FAQ 
Answers to the most frequently asked questions about operating the analyzer. 
5 OPTIONAL HARDWARE & SOFTWARE 
A description of optional equipment to add functionality to your analyzer. 
6 OPERATION INSTRUCTIONS 
This section includes step-by-step instructions for operating the analyzer and using its various features 
and functions.   
7 CALIBRATION PROCEDURES 
General information and step by step instructions for calibrating your analyzer.   
8 EPA PROTOCOL CALIBRATION 
Because CO
2
 is not declared a criteria air pollutant by the US EPA, EPA equivalency is not required for 
this type of analyzer.  Therefore no special calibration methods are needed to satisfy EPA requirements. 
9 INSTRUMENT MAINTENANCE 
Description of certain preventative maintenance procedures that should be regularly performed on you 
instrument to keep it in good operating condition.  This section also includes information on using the 
DAS to record diagnostic functions useful in predicting possible component failures before they happen. 
10 THEORY OF OPERATION 
An in-depth look at the various principals by which your analyzer operates as well as a description of how 
the various electronic, mechanical and pneumatic components of the instrument work and interact with 
each other.  A close reading of this section is invaluable for understanding the instrument’s operation. 
11 TROUBLESHOOTING 
This section includes pointers and instructions for diagnosing problems with the instrument, such as 
excessive noise or drift, as well as instructions on performing repairs of the instrument’s major 
subsystems. 
12. A PRIMER ON ELECTRO-STATIC DISCHARGE 
Very important information on how static electricity occurs, why it is so dangerous to electronic 
components and assemblies as well as how to prevent that damage from occurring. 
APPENDICES: 
These include: software menu trees, warning messages, definitions of DAS & serial I/O variables, spare 
parts list, repair questionnaire, interconnect listing and drawings, and electronic schematics. 
NOTE 
Throughout this manual, words printed in capital, bold letters, such as SETUP 
or ENTR represent messages as they appear on the analyzer’s front panel 
display. Also, flowcharts in this manual contain typical representations of the 
analyzer’s display during the various operations being described.  These 
representations are not intended to be exact and may differ slightly from the 
actual display of your instrument.