Instruction Manual
760000-C
November 2002
ii Contents Rosemount Analytical Inc. A Division of Emerson Process Management
Model NGA2000 CLD
3-6 Display
Controls ....................................................................................................................3-11
3-7
Analyzer And I/O, Expert Controls And Setup.......................................................................3-12
a. Range
Settings................................................................................................................3-12
b. Physical
Measurements..................................................................................................3-13
c. Concentration Alarms .....................................................................................................3-13
d. Linearization
Parameters ................................................................................................3-14
e. Linearization
Functions ...................................................................................................3-15
f. Response
Time ...............................................................................................................3-17
g. Automatic
Range Change...............................................................................................3-17
h. Display Units ...................................................................................................................3-18
i. Physical
Measurements & Pressure Limits ....................................................................3-18
j. Single Component Display Parameters..........................................................................3-19
3-8 Calibration
Procedure............................................................................................................3-21
a. Calibration Setup.............................................................................................................3-21
b. Basic
Controls
Calibration...............................................................................................3-22
c. Expert
Controls Calibration .............................................................................................3-23
d. Unable
to Calibrate .........................................................................................................3-25
3-9
System & Network I/O Module Controls (Setup) – System SIO...........................................3-26
a. Analog
Output Setup.......................................................................................................3-26
b. Serial
Interface Setup .....................................................................................................3-29
c. Relay
Outputs Setup.......................................................................................................3-29
3-10
System & Network I/O Module Controls (Setup) – System DIO ..........................................3-31
3-11 System
Configuration and Diagnostics .................................................................................3-32
a. Diagnostic
Menus............................................................................................................3-32
b. Load/Save
Module
Configuration....................................................................................3-34
c. Date and Time.................................................................................................................3-35
d. Security Codes................................................................................................................3-35
e. System
Reset..................................................................................................................3-36
3-12 Converter
Temperature Adjustment ......................................................................................3-37
3-13
Measurement of Converter Efficiency ...................................................................................3-38
a. Test Setup for Measurement of Conversion Efficiency...................................................3-38
b. Test
Procedure................................................................................................................3-38
c. Subnormal
Conversion Efficiency ...................................................................................3-39
d. Replacement
of Converter ..............................................................................................3-40
e. Capillaries .......................................................................................................................3-40
f. TEA
Scrubber..................................................................................................................3-40
4-0 MAINTENANCE
AND SERVICE ..........................................................................................4-1
4-1 Overview................................................................................................................................4-1
4-2 Fuses .....................................................................................................................................4-1
4-3 Fans.......................................................................................................................................4-1
4-4 Converter ...............................................................................................................................4-1
4-5 Ozonator ................................................................................................................................4-1
4-6 Printed
Circuit Boards............................................................................................................4-1
4-7 Detector
Disassembly............................................................................................................4-3
a. Reaction
Chamber Removal...........................................................................................4-3
b. Reaction
Chamber
Installation........................................................................................4-3
c. Photodiode
Removal.......................................................................................................4-4
d. Photodiode
Installation....................................................................................................4-4
5-0 TROUBLESHOOTING ..........................................................................................................5-1
5-1 Leaks .....................................................................................................................................5-1
