Instruction Manual

760004-A February 2002

Model NGA 2000 HFID

4-4

Burner Internal Components .................................................................................................

4-8

 

a.

Disassembly of Burner/Thermal Block............................................................................

4-8

 

b.

Replacing Burner Jets.....................................................................................................

4-9

 

c.

Burner Jet Installation .....................................................................................................

4-11

4-5

Thermal Block........................................................................................................................

4-12

 

a.

Sample RTD....................................................................................................................

4-12

 

b.

Cartridge Heater..............................................................................................................

4-13

 

c.

Thermostat ......................................................................................................................

4-13

 

d.

Sample Capillary.............................................................................................................

4-13

4-6

Electronics Assembly ............................................................................................................

4-14

 

a.

Printed Circuit Boards .....................................................................................................

4-15

 

b.

Case Temperature Sensor..............................................................................................

4-16

 

c.

Case Pressure Purge Switch ..........................................................................................

4-17

 

d.

Preamp Assembly...........................................................................................................

4-18

4-7

Fan Assembly........................................................................................................................

4-19

4-8

Flow Controller ......................................................................................................................

4-20

4-9

DC Power Supply Module .....................................................................................................

4-22

4-10

Front Panel Components.......................................................................................................

4-23

 

a.

LON/Power Module.........................................................................................................

4-25

 

b.

LED Indicator Assembly..................................................................................................

4-25

 

c.

Manual Ignite Toggle Switch...........................................................................................

4-25

 

d.

Burner Air Sensor............................................................................................................

4-25

 

e.

Fuel Sensor.....................................................................................................................

4-25

 

f.

Burner Air and Fuel Regulators ......................................................................................

4-25

 

g.

Purge Air Regulator ........................................................................................................

4-26

 

h.

Purge Air Flow Switch and Diffuser ................................................................................

4-26

 

i.

Burner Air Solenoid Valve...............................................................................................

4-26

 

j.

Air Ignite Restrictor..........................................................................................................

4-26

4-11

Rear Panel Components .......................................................................................................

4-27

 

a.

Fuel In 2-Way Solenoid Valve.........................................................................................

4-28

 

b.

Burner Air In Filter...........................................................................................................

4-28

 

c.

Heated Bypass Sample Out and Heated Sample In Restrictors ....................................

4-28

 

d.

Regulated Air In Check Valve .........................................................................................

4-28

5.0

TROUBLESHOOTING ..........................................................................................................

5-1

5-1

Troubleshooting Checklist .....................................................................................................

5-1

 

a.

Safety System .................................................................................................................

5-1

 

b.

Ignition.............................................................................................................................

5-1

 

c.

Drift..................................................................................................................................

5-2

 

d.

Noise ...............................................................................................................................

5-2

6.0

REPLACEMENT PARTS ......................................................................................................

6-1

6-1

Matrix .....................................................................................................................................

6-1

6-2

General ..................................................................................................................................

6-2

6-3

Pneumatics............................................................................................................................

6-2

6-4

Oven Components.................................................................................................................

6-3

7.0

RETURN OF MATERIAL ......................................................................................................

7-1

7-1

Return Of Material .................................................................................................................

7-1

7-2

Customer Service ..................................................................................................................

7-1

7-3

Training..................................................................................................................................

7-1

8.0

APPENDIX A - MENU DISPLAYS........................................................................................

8-1

ii Contents

Rosemount Analytical Inc. A Division of Emerson Process Management