Model nga2000 hfid – Emerson Process Management ROSEMOUNT NGA2000 HFID User Manual
Page 4

Instruction Manual
748297-E
June 2003
ii Contents
Rosemount Analytical Inc. A Division of Emerson Process Management
Model NGA2000 HFID
4-0 MAINTENANCE
AND
TROUBLESHOOTING .....................................................................4-1
4-1
Overview................................................................................................................................4-1
4-2
Component Replacement......................................................................................................4-3
a.
Oven................................................................................................................................4-3
b.
Burner Sensor, Detectors and Ignitor .............................................................................4-4
c.
Burner Internal Components...........................................................................................4-7
d.
Thermal Block .................................................................................................................4-11
e.
Electronics Assembly ......................................................................................................4-13
f.
Fan Assembly .................................................................................................................4-18
g.
Flow Controller ................................................................................................................4-19
h.
DC Power Supply Module...............................................................................................4-21
i.
Front Panel Components ................................................................................................4-22
j.
Rear Panel Components.................................................................................................4-27
4-3
Troubleshooting Checklist .....................................................................................................4-29
a.
Safety System .................................................................................................................4-29
b.
Ignition.............................................................................................................................4-29
c.
Drift..................................................................................................................................4-30
d.
Noise ...............................................................................................................................4-30
5-0 REPLACEMENT PARTS ......................................................................................................5-1
5-1
Matrix .....................................................................................................................................5-1
5-2
Replacement Parts ................................................................................................................5-2
a.
General ...........................................................................................................................5-2
b.
Pneumatics .....................................................................................................................5-2
c.
Oven Components ..........................................................................................................5-3
6-0 RETURN
OF
MATERIAL ......................................................................................................6-1
6-1
Return Of Material .................................................................................................................6-1
6-2
Customer Service ..................................................................................................................6-1
6-3
Training..................................................................................................................................6-1