
Table of Contents
5.6.3 On-site System Checks ............................................................... 39
6. Infrared Gas Analyzer (IRGA) Zero and Span ......... 40
6.1 Automatic Zero and Span .................................................................. 40
6.2 Manual Zero and Span ....................................................................... 41
6.2.1 Check Zero and CO
2
Span .......................................................... 41
6.2.2 Do CO
2
and H
2
O Zero ................................................................ 42
6.2.3 Do CO
2
Span .............................................................................. 43
6.2.4 Do H
2
O Span .............................................................................. 44
6.2.5 Restart the Sequence .................................................................. 46
6.2.6 Check the System ....................................................................... 46
7. Maintenance and Troubleshooting .......................... 46
7.1 Plumbing Leaks ................................................................................. 46
7.2 Enclosure Desiccant .......................................................................... 47
7.3 Intake Filters ...................................................................................... 47
7.4 LI-840A (IRGA) ................................................................................ 50
7.4.1 Installing and Removing the IRGA ............................................ 50
7.4.2 Configuring the IRGA ................................................................ 51
7.5 Zero/Span Flow ................................................................................. 52
8. Repair ......................................................................... 53
Appendices
A.
Keyboard Display Menu ......................................... A-1
B. AP200 Diagnostics .................................................. B-1
C. Public Variables ...................................................... C-1
D. Output Tables .......................................................... D-1
E. Temperature Profile ................................................ E-1
F. Valve Sequence Timing .......................................... F-1
G. AC/DC Adapter Kit .................................................. G-1
H. Using Swagelok
®
Fittings ....................................... H-1
H.1 Assembly ......................................................................................... H-1
H.2 Common Replacement Parts ........................................................... H-2
I. Useful Equations ...................................................... I-1
ii
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