Emerson Process Management NGA2000 HFID 用户手册

Instruction Manual

748297-E

June 2003

Rosemount Analytical Inc. A Division of Emerson Process Management

Contents iii

Model NGA2000 HFID

LIST OF ILLUSTRATIONS

Figure 1-1.

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

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 Torquing 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 ........................... 4-6

Figure 4-6.

Burner/Thermal Block Disassembly....................................................................... 4-7

Figure 4-7.

Burner Disassembly............................................................................................... 4-8

Figure 4-8.

Burner Jets............................................................................................................. 4-9

Figure 4-9.

Thermal Block – Sample RTD, Cartridge Heater and Thermostat ...................... 4-11

Figure 4-10.

Thermal Block Assembly ..................................................................................... 4-12

Figure 4-11.

Removing Electronics Assembly from Chassis ................................................... 4-13

Figure 4-12.

Electronics Assembly – Exploded View............................................................... 4-14

Figure 4-13.

Case Sensor Installation...................................................................................... 4-15

Figure 4-14.

Case Pressure Purge Switch Installation ............................................................ 4-16

Figure 4-15.

Preamp Assembly Installation ............................................................................. 4-17

Figure 4-16.

Fan Assembly Installation.................................................................................... 4-18

Figure 4-17.

Flow Controller Replacement .............................................................................. 4-19

Figure 4-18.

Flow Controller Assembly – Exploded View ........................................................ 4-20

Figure 4-19.

DC Power Supply Module Replacement ............................................................. 4-21

Figure 4-20.

Front Panel – Exploded View .............................................................................. 4-22

Figure 4-21.

Accessing Front Panel Components ................................................................... 4-23

Figure 4-22.

Rear Panel Components ..................................................................................... 4-27

LIST OF TABLES

Table 3-1.

HFID Analyzer Module Alarms .............................................................................. 3-8