Model NGA 2000 HFID

Instruction Manual

760004-A February 2002

LIST OF ILLUSTRATIONS

Figure 1-1. Flame Ionization Detection Technology ...........................................................................

1-2

Figure 1-2.

Heated Flame Ionization Detector Analyzer Module - Top View....................................

1-3

Figure 2-1. Back Panel Connections ..................................................................................................

2-2

Figure 2-2.

Flow Diagram....................................................................................................................

2-5

Figure 2-3. Front Panel Electrical Connections ..................................................................................

2-6

Figure 2-4. Front Panel Connections, Controls and Indicators...........................................................

2-6

Figure 2-5. HFID Outline and Mounting Dimensions ..........................................................................

2-7

Figure 2-6. HFID Wiring Diagram........................................................................................................

2-8

Figure 3-1.

Typical Curves of Module Response vs. Pressure Setting on Fuel Pressure Regulator ..

3-7

Figure 3-2.

Typical Curves of Module Response vs. Pressure Setting on Air Pressure Regulator.....

3-7

Figure 3-3. Front Panel Torque Sequence ..........................................................................................

3-8

Figure 4-1.

Removal of Cover and Insulation Shield ...........................................................................

4-1

Figure 4-2.

Locations of Major Assemblies of the HFID ......................................................................

4-2

Figure 4-3. Removal of Oven from Chassis.........................................................................................

4-3

Figure 4-4. Oven Assembly..................................................................................................................

4-5

Figure 4-5.

Burner - Sensor, Flameout Detector, RTD Detector and Ignitor .......................................

4-7

Figure 4-6.

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

4-8

Figure 4-7.

Burner Disassembly...........................................................................................................

4-9

Figure 4-8.

Burner Jets ........................................................................................................................

4-10

Figure 4-9. Thermal Block – Sample RTD, Cartridge Heater and Thermostat....................................

4-12

Figure 4-10. Thermal Block Assembly .................................................................................................

4-13

Figure 4-11.

Removing Electronics Assembly from Chassis ...............................................................

4-14

Figure 4-12.

Electronics Assembly – Exploded View...........................................................................

4-15

Figure 4-13.

Case Sensor Installation..................................................................................................

4-16

Figure 4-14.

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

4-17

Figure 4-15.

Preamp Assembly Installation .........................................................................................

4-18

Figure 4-16.

Fan Assembly Installation................................................................................................

4-19

Figure 4-17.

Flow Controller Replacement ..........................................................................................

4-20

Figure 4-18.

Flow Controller Assembly................................................................................................

4-21

Figure 4-19. DC Power Supply Module Replacement .........................................................................

4-22

Figure 4-20.

Front Panel – Exploded View ..........................................................................................

4-23

Figure 4-21. Accessing Front Panel Components ...............................................................................

4-24

Figure 4-22. Rear Panel Components .................................................................................................

4-27

LIST OF TABLES

Table 3-1. HFID Analyzer Module Alarms .....................................................................................

3-8

Rosemount Analytical Inc. A Division of Emerson Process Management

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