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Instruction Manual
760004-A
February 2002
Model NGA 2000 HFID
Heated Flame Ionization Detector Module
http://www.processanalytic.com
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ESSENTIAL INSTRUCTIONS READ THIS PAGE BEFORE PROCEEDING! Rosemount Analytical designs, manufactures and tests its products to meet many national and international standards. Because these instruments are sophisticated technical products, you MUST properly install, use, and maintain them to ensure they continue to operate within their normal specifications. The following instructions MUST be adhered to and integrated into your safety program when installing, using, and maintaining Rosemount Analy
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID TABLE OF CONTENTS PREFACE...........................................................................................................................................1 Definitions...........................................................................................................................................1 Safety Summary .......................................................................................................
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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 ................................
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID 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...
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID iv Contents Rosemount Analytical Inc. A Division of Emerson Process Management
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID PREFACE The purpose of this manual is to provide information concerning the components, functions, installation and maintenance of the NGA 2000 HFID and the System Accessories of the NGA 2000 System. Some sections may describe equipment not used in your configuration. The user should become thoroughly familiar with the operation of this module before operating it. Read this instruction manual completely. DEFINITIONS The following defi
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID SAFETY SUMMARY If this equipment is used in a manner not specified in these instructions, protective systems may be impaired. AUTHORIZED PERSONNEL To avoid explosion, loss of life, personal injury and damage to this equipment and on-site property, all personnel authorized to install, operate and service the this equipment should be thoroughly familiar with and strictly follow the instructions in this manual. SAVE THESE IN- STRUCTIONS.
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID WARNING. HIGH TEMPERATURE This equipment is used in the analysis of sample gases at temperatures of up to 250 C. All compo- nents and material in contact with the sample, the oven and the burner can reach this temperature level. Operate this equipment only when covers are secured. Servicing requires access to "hot" parts which can cause serious injury. Refer servicing to qualified personnel. NOTE This Analyzer Module is completely le
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID WARNING. POSSIBLE EXPLOSION HAZARD Ensure that all gas connections are made as labeled and are leak free. Improper gas connections could result in explosion or death. CAUTION. OVER-VOLTAGE SPIKING If this analyzer module is used with a non-Rosemount Analytical power supply, adding Rosemount Analytical PN 903341 Current Protector in series with the 24V positive power line will prevent over- voltage spiking and resultant fuse blowing
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID GENERAL PRECAUTIONS FOR HANDLING AND STORING HIGH PRESSURE GAS CYLINDERS Edited from selected paragraphs of the Compressed Gas Association's "Handbook of Com- pressed Gases" published in 1981 Compressed Gas Association 1235 Jefferson Davis Highway Arlington, Virginia 22202 Used by Permission 1. Never drop cylinders or permit them to strike each other violently. 2. Cylinders may be stored in the open, but in such cases, should be prote
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID DOCUMENTATION The following NGA 2000 HFID instruction materials are available. Contact Customer Service Center or the local representative to order. 748414 Instruction Manual (this document) COMPLIANCES This product may carry approvals from several certifying agencies, including Factory Mutual and the Cana- dian Standards Association (which is also an OSHA accredited, Nationally Recognized Testing Labora- tory), for use in non-haz
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID GLOSSARY OF TERMS Analyzer Module The module that contains all sensor/detector components for development of a Primary Variable signal; in- cludes all signal conditioning and temperature control circuitry. Backplane The interconnect circuit board which the Controller Board, Power Supply, Analyzer Module power and net- work cables, I/O Modules and Expansion Modules plug into. Control Module The Operator Interface plus the Controller
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID Softkeys The five function softkeys located below the front panel display; they assume the function displayed directly above each on the display, a function dictated by software. System Any collection of Analyzer Module(s), Platform(s), I/O Module(s) and Expansion Module(s). P-8 Preface Rosemount Analytical Inc. A Division of Emerson Process Man
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID SECTION 1 DESCRIPTION AND SPECIFICATIONS 1-1 OVERVIEW All tubing ahead of the burner is rigid metal- lic tubing assembled with ferrule/nut type This manual describes the Heated Flame Ioni- compression fittings. However, should an internal fuel leak occur, a worst-case leak zation Detector (HFID) Analyzer Module of Rosemount Analytical's NGA 2000 Series of would be dissipated below 25% of the LEL of hydrogen through the combination of
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID concentration of hydrocarbons in the sample. network, where it can be shown on a data This measure of concentration is placed on the acquisition device. Negative Ion Collection Plate +90V Signal Conditioning Positive Carbon Ions Air Sample Fuel C Figure 1-1. Flame Ionization Detection Technology 1-2 Description and Specifications Rosemount Analytical Inc. A Division of Emerson Process M
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID Gas Lines (See Figure 2-2) Purge Air Outlet Fuel Shutoff Solenoid Valve Detector (Burner) Oven Preamp Board (In Shield) Case Pressure Switch Air Circulation Fan Computer Board Case Heater Sensor Board Sample Flow Controller Safety Board Purge Air Flow Switch DC-DC Module Power Supply Board Burner Air Solenoid Valve Purge Air Regulator Burner Air & Fuel Regulators (Stacked Vertically) Network & Power Module Figure 1-2. Heated Flame I
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID 1-5 SPECIFICATIONS a. General Measurement Species ....................Total hydrocarbons Ranges (H2/He Fuel) Low range.............................. 0 to 10 ppm, CH4, through 0 to 1%, CH4 at an oven setpoint be- tween 113 °C and 191 °C High range ............................. 0 to 50 ppm, CH , through 0 to <5%, CH at an oven setpoint be- 4 4 tween 113 °C and 191 °C o o o o Analysis Temperature .....................Adjustable from 200
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID c. Gas Requirements Sample .......................................... Non-flammable, below 100% of LEL Flow rate................................ 1.0 to 2.5 L/min. Supply pressure..................... 345 to 620 hPa-gauge (5 to 9 psig) o o o o o o Temperature .......................... 110 C to 230 C (230 F to 446 F), <20 C variance/24 hours, <10 C variance/hr. Particulates............................ filtered to <2 microns o Dewpoint.
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Instruction Manual 760004-A February 2002 Model NGA 2000 HFID d. Gas Connections Sample In ...................................... 1/4" O.D. tube fitting, stainless steel Regulated Air In ...............................1/4" O.D. tube fitting, brass Burner Air In .....................................1/4" O.D. tube fitting, brass Fuel In...............................................1/4" O.D. tube fitting, stainless steel Purge Air In ......................................3/8" O.D. tube fitting, br
