Acoem Serinus 40 User manual

Serinus® 40

Oxides of Nitrogen

Analyser

User Manual

Version: 3.5

ACOEM Ecotech

1492 Ferntree Gully Road Knoxfield VIC 3180

Melbourne Australia +61 3 9730 7800 [email protected] ecotech.com

Manual subject to change without notice. Images used are for illustrative purposes only. Ecotech & Serinus are trademarks or registered trademarks

Serinus® 40 User Manual 3.5

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Foreword 
Page 3 
 
Table of Contents 
Manufacturer’s Statement ....................................................................................................................................13 
Notice ....................................................................................................................................................................13 
Safety Information.................................................................................................................................................14 
Important Safety Messages ...................................................................................................................................15 
Warranty................................................................................................................................................................16 
Service & Repairs...................................................................................................................................................17 
Product Compliance and Approvals.......................................................................................................................18 
Manual Revision History........................................................................................................................................19 
Introduction........................................................................................................................... 21 
1 Description................................................................................................................................................21 
2 Specifications ............................................................................................................................................21 
2.1 Measurement ............................................................................................................................21 
2.2 Precision/Accuracy ....................................................................................................................21 
2.3 Calibration .................................................................................................................................22 
2.4 Power ......................................................................................................................................22 
2.5 Operating Conditions.................................................................................................................22 
2.6 Communications........................................................................................................................22 
2.7 Physical Dimensions...................................................................................................................23 
2.8 Certifications..............................................................................................................................23 
3 Nomenclature ...........................................................................................................................................24 
4 Background/Theory...................................................................................................................................25 
4.1 Measurement Theory ................................................................................................................25 
4.2 Kalman Filter Theory..................................................................................................................27 
5 Instrument Description .............................................................................................................................27 
5.1 Calibration Valve Manifold ........................................................................................................28 
5.2 Auxiliary Valve Manifold............................................................................................................28 
5.3 Delay Loop .................................................................................................................................28 
5.4 Sample Filter Holder ..................................................................................................................28 
5.5 Dryer ......................................................................................................................................29 
5.6 Ozone Generator .......................................................................................................................30 
5.7 NO2to NO Converter .................................................................................................................30 
5.8 Measurement Cell .....................................................................................................................31 
5.9 Pneumatic Tubing......................................................................................................................33 
5.10 Main Controller PCA ..................................................................................................................33 
5.11 Rear Panel..................................................................................................................................34 
5.12 Communications........................................................................................................................35 
Installation............................................................................................................................. 37 
1 Initial Check...............................................................................................................................................37 
2 Installation Notes ......................................................................................................................................40 
3 Instrument Set-Up.....................................................................................................................................41 
3.1 Power Connections....................................................................................................................41 
3.2 Pneumatic Connections.............................................................................................................42 
3.3 Communications Connections ...................................................................................................45 
3.4 Instrument Set-Up .....................................................................................................................46 
4 U.S. EPA Reference Set-Up........................................................................................................................47 

Serinus® 40 User Manual 3.5 
 
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5 EN Type Approval Set-up.......................................................................................................................... 48 
6 Transporting/Storage................................................................................................................................ 48 
Operation............................................................................................................................... 51 
1 Warm-Up .................................................................................................................................................. 51 
2 Measurement ........................................................................................................................................... 51 
3 General Operation Information................................................................................................................ 52 
3.1 Keypad & Display....................................................................................................................... 52 
3.2 Home Screen............................................................................................................................. 54 
4 Menus & Screens...................................................................................................................................... 56 
4.1 Quick Menu............................................................................................................................... 57 
4.2 Main Menu................................................................................................................................ 58 
4.3 Analyser State Menu................................................................................................................. 59 
4.4 Status Menu.............................................................................................................................. 60 
4.5 Temperature Menu................................................................................................................... 62 
4.6 Pressure & Flow Menu.............................................................................................................. 63 
4.7 Voltage Menu............................................................................................................................ 63 
4.8 General Settings Menu.............................................................................................................. 64 
4.9 Measurement Settings Menu.................................................................................................... 65 
4.10 Calibration Menu ...................................................................................................................... 67 
4.11 Pressure Calibration Menu........................................................................................................ 70 
4.12 Service Menu............................................................................................................................. 71 
4.13 Diagnostics Menu...................................................................................................................... 72 
4.14 Digital Pots Menu...................................................................................................................... 73 
4.15 Internal Pump Menu (Option)................................................................................................... 74 
4.16 Valve Menu ............................................................................................................................... 75 
4.17 Tests Menu................................................................................................................................ 77 
4.18 Digital Input Test Menu............................................................................................................. 77 
4.19 Digital Output Test Menu.......................................................................................................... 78 
4.20 Calculation Factors Menu.......................................................................................................... 78 
4.21 Communications Menu............................................................................................................. 80 
4.22 Data Logging Menu ................................................................................................................... 81 
4.23 Serial Communication Menu..................................................................................................... 82 
4.24 Analog Input Menu ................................................................................................................... 83 
4.25 Analog Output Menu................................................................................................................. 84 
4.26 Digital Input Menu .................................................................................................................... 85 
4.27 Digital Output Menu ................................................................................................................. 86 
4.28 Network Menu (Optional)......................................................................................................... 88 
4.29 Bluetooth Menu........................................................................................................................ 89 
4.30 Trend Display Menu .................................................................................................................. 90 
4.31 Chart ...................................................................................................................................... 91 
4.32 Advanced Menu ........................................................................................................................ 93 
4.33 Hardware Menu ........................................................................................................................ 94 
4.34 Parameter Display Menu........................................................................................................... 95 
Communications.................................................................................................................... 97 
1 RS232 Communication.............................................................................................................................. 97 
2 USB Communication................................................................................................................................. 98 
3 TCP/IP Network Communication (Optional)............................................................................................. 99 
3.1 Reading Network Port Setup................................................................................................... 100 
3.2 Setting Network Port Setup .................................................................................................... 100 

 
 
Foreword 
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3.3 Port Forwarding on Remote Modem/Router Setup ................................................................101 
3.4 Setup Airodis to Communicate with Serinus ...........................................................................101 
4 Analog and Digital Communication.........................................................................................................102 
4.1 Analog Outputs........................................................................................................................102 
4.2 Analog Inputs...........................................................................................................................103 
4.3 Digital Status Inputs.................................................................................................................103 
4.4 Digital Status Outputs..............................................................................................................103 
5 Logging Data............................................................................................................................................105 
5.1 Configure Instrument Internal Logging....................................................................................105 
6 Using Airodis Software to Download Data ..............................................................................................105 
6.1 Connecting the Instrument to a PC..........................................................................................105 
6.2 Installing Airodis ......................................................................................................................108 
6.3 Configuring Airodis ..................................................................................................................109 
7 Serinus Remote App/Bluetooth ..............................................................................................................114 
7.1 Installation...............................................................................................................................115 
7.2 Connecting to the Instrument .................................................................................................115 
7.3 Instrument Control ..................................................................................................................116 
7.4 Real-Time Plot..........................................................................................................................117 
7.5 Download.................................................................................................................................118 
7.6 Get Parameters........................................................................................................................119 
7.7 Preferences..............................................................................................................................120 
Calibration ........................................................................................................................... 123 
1 Overview .................................................................................................................................................123 
2 Pressure Calibration ................................................................................................................................125 
2.1 Full Pressure Calibration (Two Point Calibration) ....................................................................125 
2.2 Pressure Calibration (Ambient Only) .......................................................................................127 
2.3 Pressure Calibration (Internal Pump Option Only) ..................................................................127 
3 Zero Calibration.......................................................................................................................................129 
3.1 Calibration Port........................................................................................................................129 
3.2 Sample Port .............................................................................................................................129 
3.3 Background Air Port.................................................................................................................130 
4 Span Calibration ......................................................................................................................................130 
4.1 Calibration Port with Multiple Gains Disabled.........................................................................131 
4.2 Sample Port with Multiple Gains Disabled ..............................................................................131 
4.4 Sample Port with Multiple Gains Enabled ...............................................................................132 
4.5 Manual Instrument Gain and Offset Adjustments...................................................................133 
5 Precision Check .......................................................................................................................................133 
6 Multipoint Precision Check .....................................................................................................................134 
7NO2to NO Converter Efficiency ..............................................................................................................135 
7.1 Single Point NO2to NO Converter Efficiency Check.................................................................136 
7.2 Multipoint NO2to NO Converter Efficiency Adjustment .........................................................137 
8 High Pressure Zero/Span Valve (Option).................................................................................................138 
8.1 Single Pressurised Calibration Option......................................................................................138 
8.2 Dual Pressurised Calibration Option........................................................................................140 
Service ................................................................................................................................. 143 
1 Additional Safety Requirements for Service Personnel...........................................................................143 
2 Maintenance Tools..................................................................................................................................143 
3 Maintenance Schedule............................................................................................................................144 

Serinus® 40 User Manual 3.5 
 
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4 Maintenance Procedures........................................................................................................................ 146 
4.1 Particulate Filter Replacement................................................................................................ 146 
4.2 Clean Chassis Fan Filter........................................................................................................... 148 
4.3 DFU Replacement.................................................................................................................... 149 
4.4 Leak Check............................................................................................................................... 149 
4.5 Clean Pneumatics.................................................................................................................... 154 
4.6 Replacing the PMT Desiccant Pack.......................................................................................... 154 
4.7 Cleaning the Reaction Cell....................................................................................................... 155 
4.8 Ozone Generator Maintenance............................................................................................... 158 
4.9 Pressure Sensor Check ............................................................................................................ 161 
5 Bootloader.............................................................................................................................................. 163 
5.1 Display Help Screen................................................................................................................. 163 
5.2 Communications Port Test...................................................................................................... 163 
5.3 Updating Firmware ................................................................................................................. 164 
5.4 Erase All Settings..................................................................................................................... 164 
5.5 Start Analyser.......................................................................................................................... 164 
Troubleshooting................................................................................................................... 165 
1 Flow Fault ............................................................................................................................................... 168 
2 Noisy/Unstable Readings........................................................................................................................ 169 
3 Converter Temperature Failure .............................................................................................................. 170 
4 Auxiliary Valve Manifold Temperature Failure ....................................................................................... 171 
5 Reaction Cell Temperature Failure ......................................................................................................... 172 
6 USB Memory Stick Failure....................................................................................................................... 173 
7 Ecotech Service Support Files ................................................................................................................. 174 
Optional Extras.....................................................................................................................177 
1 Dual Sample Filter (PN: E020100)........................................................................................................... 177 
2 Test Lamp (PN: E020103)........................................................................................................................ 178 
3 Network Port (PN: E020101)................................................................................................................... 178
3.1 Hardware Setup ...................................................................................................................... 179 
4 Sample Dryer (PN: E020118)................................................................................................................... 179 
5Rack Mount Kit (PN: E020116)................................................................................................................ 179 
6 Internal Pump (PN: E020104) ................................................................................................................. 183 
6.1 Hardware Setup ...................................................................................................................... 183 
6.2 Internal Pump Additional Components................................................................................... 183 
6.3 Pressure Calibration Internal Pump Option ............................................................................ 184 
6.4 Leak Check Internal Pump Option........................................................................................... 184 
6.5 Pump Control .......................................................................................................................... 184 
7 Metric Fittings Kit (PN: E020122)............................................................................................................ 184 
8 High Pressure Zero/Span Valves ............................................................................................................. 185 
9 High Level Instrument (PN: E020113)..................................................................................................... 185 
9.1 High Level Specifications......................................................................................................... 185 
10 Internal Zero and Span (PN: E020134).................................................................................................... 186 
10.1 IZS Specifications..................................................................................................................... 187 
10.2 IZS Setup.................................................................................................................................. 189 
10.3 IZS Transporting/Storage ........................................................................................................ 190 
10.4 IZS Calibration ......................................................................................................................... 191 
10.5 IZS Service and Maintenance .................................................................................................. 192 
11 Trace Level Instrument (PN: E020119) ................................................................................................... 194 

 
 
Foreword 
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11.1 Trace Specifications .................................................................................................................194 
11.2 Trace Setup..............................................................................................................................195 
11.3 Trace Operation.......................................................................................................................196 
11.4 Trace Default Values................................................................................................................196 
11.5 Trace Calibration Guidelines....................................................................................................197 
11.6 Trace Service and Maintenance...............................................................................................198 
Parts List and Schematics .................................................................................................... 199 
1 Serinus Accessories Kit ............................................................................................................................199 
2 Maintenance Kit ......................................................................................................................................199 
3 Consumables...........................................................................................................................................200 
4 Instrument Parts List ...............................................................................................................................201 
4.1 Optional Extras Spare Part List.................................................................................................205 
5 Plumbing Schematic –(PN: D020002).....................................................................................................208 
6 Internal Pump Plumbing Schematic –(PN: D020063) .............................................................................210 
7 High Level Plumbing Schematic –(PN: D020024)....................................................................................212 
8 Trace Level Plumbing Schematic –(PN: D020065)..................................................................................214 
9 Sample Dryer Plumbing Schematic –(PN: D020064) ..............................................................................216 
10 IZS Plumbing Schematic –(PN: D020052) ...............................................................................................218 
11 Block Wiring Schematic –(PN: D020103-01)...........................................................................................220 
12 IZS Block Wiring Schematic –(PN: D020122-01) .....................................................................................221 
13 Measurement Cell and Reaction Cell Exploded View –(PN: H011200)...................................................222 
14 Auxiliary Valve Manifold Assembly Exploded View –(PN: H011300)......................................................223 
15 Calibration Valve Manifold Assembly Exploded View –(PN: H010013-01).............................................224 
16 Ozone Generator Assembly Exploded View –(PN: H011107).................................................................225 
17 IZS Calibration Valve Manifold Assembly Exploded View –(PN: H010056) ............................................226 
18 Permeation Oven Assembly Exploded View –(PN: H012170) ................................................................227 
19 Valve Assembly Exploded View –(PN: H010042)....................................................................................228 
20 Sample Filter Holder Assembly –(PN: H010160) ....................................................................................229 
21 High Pressure Valve Exploded View –(PN: H050043).............................................................................230 
22 NOxConverter Assembly –(PN: H011105)..............................................................................................231 
23 Internal Pump Assembly –(PN: H011140) ..............................................................................................232 
24 Dryer Assembly –(PN: H011106) ............................................................................................................233 
25 Flow Block Assembly –(PN: H013165)....................................................................................................234 
 
 

Serinus® 40 User Manual 3.5 
 
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List of Figures 
Figure 1 –Simple Pneumatic Diagram..........................................................................................................................26 
Figure 2 –Major Components of Serinus 40 ................................................................................................................27 
Figure 3 –Calibration Valve Manifold ..........................................................................................................................28 
Figure 4 –Auxiliary Valve Manifold ..............................................................................................................................28 
Figure 5 –Sample Filter Holder ....................................................................................................................................29 
Figure 6 –Dryer ............................................................................................................................................................29 
Figure 7 –Ozone Generator .........................................................................................................................................30 
Figure 8 –NO2to NO Converter ...................................................................................................................................30 
Figure 9 –Measurement Cell........................................................................................................................................31 
Figure 10 –PMT Assembly............................................................................................................................................31 
Figure 11 –Reaction Cell ..............................................................................................................................................32 
Figure 12 –Optical Bandpass Filter ..............................................................................................................................32 
Figure 13 –Pressure Sensor PCA ..................................................................................................................................33 
Figure 14 –Ecotech Tubing...........................................................................................................................................33 
Figure 15 –Rear Panel..................................................................................................................................................34 
Figure 16 –Power ON/OFF Switch ...............................................................................................................................35 
Figure 17 –Communication Connections.....................................................................................................................35 
Figure 18 –Received Item ............................................................................................................................................38 
Figure 19 –Opening the Instrument –1.......................................................................................................................39 
Figure 20 –Opening the Instrument –2.......................................................................................................................39 
Figure 21 –Opening the Instrument –3.......................................................................................................................39 
Figure 22 –Opening the Instrument –4.......................................................................................................................40 
Figure 23 –Instrument Rear Panel ...............................................................................................................................41 
Figure 24 –Connect Power Cord ..................................................................................................................................42 
Figure 25 –Turn ON Power Switch...............................................................................................................................42 
Figure 26 –Dust Plugs ..................................................................................................................................................43 
Figure 27 –Remove Nut ...............................................................................................................................................43 
Figure 28 –Ferrules Correct Orientation......................................................................................................................43 
Figure 29 –Replace Nut Loosely...................................................................................................................................44 
Figure 30 –Insert Tube.................................................................................................................................................44 
Figure 31 –Tighten Nut ................................................................................................................................................44 
Figure 32 –Installation of USB Memory Stick...............................................................................................................46 
Figure 33 –Switching the Battery ON/OFF...................................................................................................................46 
Figure 34 –Dust Plugs ..................................................................................................................................................49 
Figure 35 –Packing Instruction ....................................................................................................................................50 
Figure 36 –Front Panel.................................................................................................................................................52 
Figure 37 –Home Screen..............................................................................................................................................54 
Figure 38 –Quick Menu Screen....................................................................................................................................57 
Figure 39 –Main Menu Screen.....................................................................................................................................58 
Figure 40 –Analyser State Menu Screen......................................................................................................................59 
Figure 41 –Status Menu Screen...................................................................................................................................60 
Figure 42 –Temperature Menu Screen........................................................................................................................62 
Figure 43 –Pressure & Flow Menu Screen...................................................................................................................63 
Figure 44 –Voltage Menu Screen.................................................................................................................................63 
Figure 45 –General Settings Menu Screen...................................................................................................................64 
Figure 46 –Measurement Settings Menu Screen.........................................................................................................65 
Figure 47 –Calibration Menu Screen ...........................................................................................................................67 
Figure 48 –Pressure Calibration Menu Screen.............................................................................................................70 
Figure 49 –Service Menu Screen .................................................................................................................................71 
Figure 50 –Diagnostics Menu Screen...........................................................................................................................72 

 
 
Foreword 
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Figure 51 –Digital Pots Menu Screen .......................................................................................................................... 73 
Figure 52 –Internal Pump Menu Screen...................................................................................................................... 74 
Figure 53 –Valve Menu Screen.................................................................................................................................... 75 
Figure 54 –Tests Menu Screen .................................................................................................................................... 77 
Figure 55 –Digital Input Test Menu Screen ................................................................................................................. 77 
Figure 56 –Digital Output Test Menu Screen .............................................................................................................. 78 
Figure 57 –Calculation Factors Menu Screen .............................................................................................................. 78 
Figure 58 –Communications Menu Screen ................................................................................................................. 80 
Figure 59 –Data Logging Menu Screen........................................................................................................................ 81 
Figure 60 –Serial Communication Menu Screen ......................................................................................................... 82 
Figure 61 –Analog Input Menu Screen........................................................................................................................ 83 
Figure 62 –Analog Output Menu Screen..................................................................................................................... 84 
Figure 63 –Digital Input Menu Screen......................................................................................................................... 85 
Figure 64 –Digital Output Menu Screen...................................................................................................................... 86 
Figure 65 –Network Menu Screen............................................................................................................................... 88 
Figure 66 –Bluetooth Menu Screen ............................................................................................................................ 89 
Figure 67 –Trend Display Menu Screen....................................................................................................................... 90 
Figure 68 –Chart Screen .............................................................................................................................................. 91 
Figure 69 –Advanced Menu Screen............................................................................................................................. 93 
Figure 70 –Hardware Menu Screen............................................................................................................................. 94 
Figure 71 –Parameter Display Menu Screen............................................................................................................... 95 
Figure 72 –Communication Ports................................................................................................................................ 97 
Figure 73 –Multidrop RS232 Cable Example ............................................................................................................... 98 
Figure 74 –Example of Typical Network Setups .......................................................................................................... 99 
Figure 75 –Example of Network Menu Setup ........................................................................................................... 100 
Figure 76 –Port Forwarding Example ........................................................................................................................ 101 
Figure 77 –LAN Network Set-Up (Airodis)................................................................................................................. 101 
Figure 78 –WAN Network Set-Up (Airodis) ............................................................................................................... 102 
Figure 79 –Rear Panel PCA (Default Jumpers Highlighted) ....................................................................................... 104 
Figure 80 –Analog & Digital I/O Individual Pin Descriptions...................................................................................... 104 
Figure 81 –Installing Driver Software (Device Manager)........................................................................................... 106 
Figure 82 –Update Driver Popup............................................................................................................................... 106 
Figure 83 –Update Driver Popup (Directory Location).............................................................................................. 107 
Figure 84 –Installing Driver Confirmation Prompt .................................................................................................... 107 
Figure 85 –Successful Driver Installation................................................................................................................... 108 
Figure 86 –Airodis Workspace Manager ................................................................................................................... 109 
Figure 87 –Adding a New Station.............................................................................................................................. 109 
Figure 88 –New Station Connection.......................................................................................................................... 110 
Figure 89 –Station Configuration (Channel List)........................................................................................................ 111 
Figure 90 –Error Status Notification.......................................................................................................................... 111 
Figure 91 –Downloading Data................................................................................................................................... 112 
Figure 92 –Download Data Status............................................................................................................................. 112 
Figure 93 –Data Visibility........................................................................................................................................... 113 
Figure 94 –Exporting Data......................................................................................................................................... 113 
Figure 95 –Data Download Complete ....................................................................................................................... 114 
Figure 96 –Downloading the App from Google Play Store........................................................................................ 115 
Figure 97 –Bluetooth Pairing Request....................................................................................................................... 115 
Figure 98 –Showing or Hiding the NumPad............................................................................................................... 116 
Figure 99 –Switching Analysers................................................................................................................................. 117 
Figure 100 –Real-Time Plot ....................................................................................................................................... 118 
Figure 101 –Plot of Downloaded Data ...................................................................................................................... 119 
Figure 102 –Directory Settings.................................................................................................................................. 120 

Serinus® 40 User Manual 3.5 
 
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Figure 103 –Logs Format ...........................................................................................................................................120 
Figure 104 –Colour Theme Settings...........................................................................................................................121 
Figure 105 –Example of a Calibration System............................................................................................................123 
Figure 106 –Full Pressure Calibration Set-up.............................................................................................................126 
Figure 107 –Full Pressure Calibration Set-up (Ambient)............................................................................................126 
Figure 108 –Ambient Pressure Calibration Set-up.....................................................................................................127 
Figure 109 –Pressure Calibration (Internal Pump Option Only) Set-up.....................................................................128 
Figure 110 –Multipoint Calibration Results Example.................................................................................................135 
Figure 111 –Single High Pressure Calibration Option ................................................................................................138 
Figure 112 –Dual High Pressure Calibration Option ..................................................................................................140 
Figure 113 –Minifit Extraction Tool –(PN: T030001).................................................................................................143 
Figure 114 –Orifice/Sintered Filter Removal Tool –(PN: H010046) ..........................................................................144 
Figure 115 –Leak Test Jig –(PN: H050069)................................................................................................................144 
Figure 116 –Air Monitoring Test Equipment Kit (AMTEK) –Customisable ................................................................144 
Figure 117 –Remove Compression Nut .....................................................................................................................146 
Figure 118 –Remove Retaining Ring ..........................................................................................................................146 
Figure 119 –Remove Filter Sealing Cap .....................................................................................................................147 
Figure 120 –Particulate Filter.....................................................................................................................................147 
Figure 121 –Avoid to Touching Particulate Filter Paper ............................................................................................148 
Figure 122 –Compression Fitting Elbow Direction.....................................................................................................148 
Figure 123 –Remove Filter Casing and Filter .............................................................................................................149 
Figure 124 –DFU Filter ...............................................................................................................................................149 
Figure 125 –Leak Test Jig on Exhaust Port.................................................................................................................150 
Figure 126 –Connect Vacuum Source........................................................................................................................150 
Figure 127 –Stop Valve (Bypass Pump)......................................................................................................................152 
Figure 128 –Stop Valve (Sample Pump).....................................................................................................................153 
Figure 129 –Removing the Desiccant Pack ................................................................................................................155 
Figure 130 –Electrical Tape........................................................................................................................................156 
Figure 131 –Remove Reaction Cell ............................................................................................................................156 
Figure 132 –Cover the PMT Window.........................................................................................................................157 
Figure 133 –Place the Black Electrical Tape...............................................................................................................157 
Figure 134 –Optical Bandpass Filter Removal and Cleaning......................................................................................157 
Figure 135 –Replace Reaction Cell.............................................................................................................................158 
Figure 136 –Remove Ozone Generator from Instrument..........................................................................................159 
Figure 137 –Remove the Screw .................................................................................................................................159 
Figure 138 –Remove the Screw .................................................................................................................................160 
Figure 139 –Remove White Tube Block Fastener ......................................................................................................160 
Figure 140 –Disassemble Glass Tube.........................................................................................................................161 
Figure 141 –Test Point Location ................................................................................................................................162 
Figure 142 –Typical Test Point Reading of Cell Pressure with Vacuum Connected to Exhaust Port..........................162 
Figure 143 –Typical Test Point Reading of Manifold Pressure Sensor .......................................................................163 
Figure 144 –Flow Fault Diagnostic Procedure ...........................................................................................................168 
Figure 145 –Noisy or Unstable Readings Troubleshooting Flow Chart......................................................................169 
Figure 146 –Converter Alarm Troubleshooting Flow Chart .......................................................................................170 
Figure 147 –Valve Manifold Temperature Alarm Troubleshooting Flow Chart .........................................................171 
Figure 148 –Reaction Cell Temperature Failure Troubleshooting Flow Chart ...........................................................172 
Figure 149 –USB Memory Stick Failure......................................................................................................................173 
Figure 150 –USB Memory Stick File Structure ...........................................................................................................174 
Figure 151 –Dual Filter Option Installed ....................................................................................................................177 
Figure 152 –Separate Rack Slides ..............................................................................................................................180 
Figure 153 –Assemble Inner Slide on Chassis ............................................................................................................180 
Figure 154 –Rack Mount Ears Fitted to Instrument...................................................................................................181 