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Emerson Process Management 760004-A a.Printed Circuit Boards, Figure 4-12.Electronics Assembly – Exploded View

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Model NGA 2000 HFID

Instruction Manual

760004-A February 2002

Preamp Assembly 656945

Case Pressure Purge

Switch 903690

Computer Analysis Board 659149

Sensor Board

657060

Safety Board

657499

Power Supply Board

655764

Case Temperature Sensor 656026

Figure 4-12. Electronics Assembly – Exploded View

a.Printed Circuit Boards

When replacing a circuit board, the fol- lowing procedure is recommended:

Per Section 4-6, remove securing hard- ware from electronics assembly and lay on bench.

Remove securing hardware from printed circuit board to be replaced, do not disconnect cable(s).

One at a time, remove the wiring connectors and attach to replacement board.

Mount replacement board to electronics assembly.

Rosemount Analytical Inc. A Division of Emerson Process Management

Maintenance and Service

4-15

Contents

Instruction Manual 760004-AFebruary ESSENTIAL INSTRUCTIONS READ THIS PAGE BEFORE PROCEEDING MUST properly install, use, and maintain them MUST be adhered to Read all instructions TABLE OF CONTENTS Page LIST OF ILLUSTRATIONS LIST OF TABLES Page PREFACE DEFINITIONS SAFETY SUMMARY AUTHORIZED PERSONNEL HIGH TEMPERATURE NOTE PARTS INTEGRITY PURGE AIR REQUIREMENT PRESSURIZED GAS Page GENERAL PRECAUTIONS FOR HANDLING AND STORING HIGH PRESSURE GAS CYLINDERS DOCUMENTATION COMPLIANCES GLOSSARY OF TERMS Softkeys System SECTION DESCRIPTION AND SPECIFICATIONS Figure 1-1.Flame Ionization Detection Technology Figure 1-2.Heated Flame Ionization Detector Analyzer Module - Top View 1-5SPECIFICATIONS General Physical c. Gas Requirements Sample Supply pressure Temperature Particulates d. Gas Connections Burner Exhaust Out: PRESSURE RELIEF VALVE INSTALLATION Gas line connections are compression fittings. Do not use pipe thread tape Purge air and burner air should be supplied from separate sources !WARNING ATTENTION Figure 2-1.Back Panel Connections b.Pneumatic Connections HIGH TEMPERATURES POSSIBLE INSTRUMENT DAMAGE PURGE AIR REQUIREMENTS c.Specifications Zero Gas Span Gas Sample Gas Flow Rate Pressure/Filtration Figure 2-2.Flow Diagram 2-6ELECTRICAL CONNECTIONS Figure 2-3.Front Panel Electrical Connections BURNER AIR FUEL !WARNING FRONT VIEW SIDE VIEW REAR VIEW Figure 2-6.HFID Wiring Diagram 2-7INSTALLATION CONSIDERATIONS CHECKLIST Page OPERATION Power supply test Network test 20 bit ADC test 12 bit ADC test Power Supply PCB test ƒ Press switch down for 2 seconds ƒRepeat release switch and press down steps as necessary 3-4CALIBRATION 3-5ROUTINE OPERATION 3-6SAFETY SYSTEM Technical Startup Analyzer Do not over-torquerear panel screws RESPONSE (100 ppm CH4 fullscale) psig FUEL PRESSURE hPa psig AIR PRESSURE hPa DISPLAY MESSAGE DESCRIPTION TYPE AIR FET AIR PRESS MAINTENANCE AND SERVICE Figure 4-2.Locations of Major Assemblies of the HFID 4-2OVEN DO NOT remove the fittings from the gas lines on the detector a.Removal Figure 4-3.Removal of Oven from Chassis b.Disassembly PREAMP CONNECTORS Do not unsolder these connections For clarity, outer oven not shown in Figures B and C Figure 4-4.Oven Assembly 4-3BURNER a.Temperature Sensor b.RTD Detector c.Igniter Do not Figure 4-5.Burner - Sensor, Flameout Detector, RTD Detector and Igniter 4-4BURNER INTERNAL COMPONENTS 2. Remove burner/thermal block from oven per Section 4-2b BURNER CONTAMINATION a.Disassembly of Burner/Thermal Block b.Replacing Burner Jets 2.Remove burner/thermal block from oven per Section 4-2b 3.Remove thermal block from burner per Section 4-4a Holding burner base, lift burner cap off of assembly, set aside, remove gasket Figure 4-7.Burner Disassembly Figure 4-8.Burner Jets c.Burner Jet Installation Install new 2.Install new sample jet (with gasket) and tighten 3.Tighten jet nut 4-5THERMAL BLOCK a.Sample RTD Figure 4-9.Thermal Block – Sample RTD, Cartridge Heater and Thermostat b.Cartridge Heater c.Thermostat d. Sample Capillary Figure 4-10.Thermal Block Assembly 4-6ELECTRONICS ASSEMBLY Figure 4-11.Removing Electronics Assembly from Chassis Figure 4-12.Electronics Assembly – Exploded View a.Printed Circuit Boards b.Case Temperature Sensor Figure 4-13.Case Sensor Installation c.Case Pressure Purge Switch 2.Disconnect the two electrical termi- nals, note location 3.Disconnect tube at pressure switch 4.Remove mounting screws (2) and washers (2) 5.Reverse procedure for installation of replacement switch d.Preamp Assembly Figure 4-15.Preamp Assembly Installation 4-7FAN ASSEMBLY Figure 4-16.Fan Assembly Installation 4-8FLOW CONTROLLER Figure 4-17.Flow Controller Replacement Figure 4-18.Flow Controller Assembly 4-9DC POWER SUPPLY MODULE Figure 4-19.DC Power Supply Module Replacement 4-10FRONT PANEL COMPONENTS The following components are mounted to the front panel: •LON/Power Module •Manual Ignite Toggle Switch •LED Indicator Assembly Replacing Front Panel Components Figure 4-21.Accessing Front Panel Components a. LON/Power Module d. Burner Air Sensor b.LED Indicator Assembly c.Manual Ignite Toggle Switch e.Fuel Sensor g.Purge Air Regulator h.Purge Air Flow Switch and Diffuser i.Burner Air Solenoid Valve j.Air Ignite Restrictor 4-11REAR PANEL COMPONENTS The following components are mounted to the rear panel: •Regulated Air In Check Valve •Burner Air In Filter •Heated Sample Bypass Out Restric- tor a.Fuel In 2-WaySolenoid Valve b.Burner Air In Filter c.Heated Bypass Sample Out and Heated Sample In Restrictors d.Regulated Air In Check Valve TROUBLESHOOTING c. Drift d.Noise REPLACEMENT PARTS 6-2GENERAL 6-3PNEUMATICS 6-4OVEN COMPONENTS Page RETURN OF MATERIAL Page APPENDIX A - MENU DISPLAYS Menu: 0 ANALOP Menu: 1 ANALSET MENU: 2 FLOCHEK MENU: 3 FLOCHEKI1 MENU: 4 ACALSET MENU: 5 APARLST MENU: 6 ANALSETI1 MENU: 7 CALLIST MENU: 8 CALLISTI1 MENU: 9 ACALSETI1 MENU: 10 APARLSTI1 MENU: 11 AMMAN MENU: 12 AMMANI1 MENU: 13 AMSVC MENU: 14 AMSVCI1 MENU: 15 ADIAG MENU: 16 AMPWR MENU: 17 AM1V MENU: 18 AMTEMP MENU: 19 AMMISC MENU: 20 AMTREND MENU: 21 ADIAGI1 MENU: 22 RANGESETAM MENU: 23 RANGESSETI1 MENU: 24 LINRANGE1 MENU: 25 LINRANGE2 MENU: 26 LINRANGE3 MENU: 27 LINRANGE4 MENU: 28 LINRANGE0 MENU: 29 AMPWRI1 MENU: 30 FLOCHEK1I1 MENU: 31 FILTER MENU: 32 AM1VI1 MENU: 33 AMTEMPI1 MENU: 34 AM2VA MENU: 35 PLIMITSA MENU: 36 TLIMITSA MENU: 37 AMMISCI1 MENU: 38 ANALSIMPLE MENU: 39 FILTERI1 MENU: 40 LINRANGE0I1 MENU: 41 PLIMITSAI1 MENU: 42 CALFACTORS MENU: 43 R1FACTORS MENU: 44 RN2FACTORS MENU: 45 RN3FACTORS MENU: 46 RN4FACTORS MENU: 47 AMHELPINDEX MENU: 48 LINRANGE1I1 MENU: 49 CALFACTORSI1 MENU: 50 APARLST2 MENU: 51 APARLST4 MENU: 52 APARLST5 MENU: 53 APARLST6 MENU: 54 IGNITION MENU: 55 LISTNOTES MENU: 56 LIGHTFLAMEI1 MENU: 57 AUTOFLAMEI1 MENU: 58 DISPLAY MENU: 59 MPARMS MENU: 60 AMTOPINFO MENU: 61 ANALSET2 MENU: 62 MPARMSI1 MENU: 63 TLIMITSAI1 MENU: 64 IGNITIONI1 MENU: 65 SELFTEST MENU: 66 AMHELPINDEX2 MENU: 67 SOFT_DIAG MENU: 68 CALI1 MENU: 69 AM2VC MENU: 70 AM2VD MENU: 71 OVENTEMP MENU: 72 LINFUNCT MENU: 73 POLYSETUP MENU: 74 MIDPOINT1 MENU: 75 POLYGAS1 MENU: 76 POLYSETI1 MENU: 77 POLYGAS2 MENU: 78 POLYGAS3 MENU: 79 POLYGAS4 MENU: 80 POLYGAS5 MENU: 81 POLYGAS6 MENU: 82 POLYGAS7 MENU: 83 POLYGAS8 MENU: 84 POLYGAS9 MENU: 85 POLYGAS0 MENU: 86 MIDPOINT2 MENU: 87 MIDPOINT3 MENU: 88 MIDPOINT4 MENU: 89 LIGHTFLAME MENU: 90 EXP_CAL MENU: 91 ZEROI2 MENU: 92 EXP_CAL_DAT MENU: 93 EXP_CAL_DATI MENU: 94 UNITS MENU: 95 UNITSI1 MENU: 96 POLYSETI2 MENU: 97 POLYSETI3 MENU: 98 RESET MENU: 99 STORE MENU: 100 ANALOPI1A MENU: 101 RFHIST1A MENU: 102 RFACTORSIA MENU: 103 RFHIST2A MENU: 104 RFHIST3A MENU: 105 RFHIST4A MENU: 106 SW_DIAGI1 MENU: 107 TWEAKI1 MENU: 108 ANALSETI3 MENU: 109 STOREDPVA MENU: 110 ZEROI2A MENU: 111 ZEROI1A MENU: 112 ZERO_NOW2 MENU: 113 SPAN_NOW2 MENU: 114 AMMISC2 MENU: 115 MPARMS2 MENU: 116 AUTOFLAME MENU: 117 REBOOT MENU: 118 ABOUT MENU: 119 ABOUT1 MENU: 120 ALARM1 MENU: 121 MANDATA Page WARRANTY