Emerson Process Management NGA2000 HFID LIST OF ILLUSTRATIONS, LIST OF TABLES

Model NGA2000 HFID

Instruction Manual

748297-E June 2003

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

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