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3.3.3 Electrical and signal ground .........................................................................................34
3.3.4 Electrical conduit .........................................................................................................35
3.3.5 Sample system requirements ......................................................................................36
3.4 Preparation ................................................................................................................................37
3.4.1 Site selection ...............................................................................................................37
3.4.2 Unpacking the unit ......................................................................................................37
3.4.3 Required tools and components ..................................................................................38
3.4.4 Supporting tools and components ..............................................................................39
3.5 Installation .................................................................................................................................39
3.5.1 DC power supply .........................................................................................................39
3.5.2 Optional AC/DC power converter ................................................................................41
3.5.3 Connect the sample and other gas lines ...................................................................... 42
3.5.4 Maximum effective distance by communication protocol type ................................... 45
3.5.5 RS-485 serial port terminals ........................................................................................ 45
3.5.6 Installing and connecting to an analog modem card ................................................... 45
3.5.7 Connecting to the GC via the analog modem ..............................................................46
3.5.8 Connecting directly to a PC using the GC’s Ethernet port ............................................ 47
3.5.9 Troubleshooting DHCP connectivity issues ................................................................. 50
3.5.10 Connecting directly to a PC using the GC’s serial port ..................................................51
3.5.11 Connecting directly to a PC using the GC’s wired Ethernet terminal ............................ 53
3.5.12 Assigning a static IP address to the GC .........................................................................55
3.5.13 Discrete digital I/O wiring ............................................................................................57
3.5.14 Analog input wiring .....................................................................................................63
3.5.15 Analog output wiring .................................................................................................. 67
3.6 Leak checking and purging for first calibration ...........................................................................72
3.6.1 Checking the GC for leaks ............................................................................................72
3.6.2 Purging carrier gas lines .............................................................................................. 73
3.6.3 Purging calibration gas lines ........................................................................................74
3.7 System startup .......................................................................................................................... 74
Chapter 4 Operation and maintenance .........................................................................................75
4.1 Warning and precautions ...........................................................................................................75
4.2 Start a two-point calibration ...................................................................................................... 75
4.3 Troubleshooting and repair concept ..........................................................................................76
4.4 Routine maintenance ................................................................................................................ 76
4.4.1 Maintenance checklist .................................................................................................76
4.4.2 Routine maintenance procedures ............................................................................... 78
4.4.3 Precautions for handling PC assemblies .......................................................................78
4.4.4 General troubleshooting .............................................................................................78
4.4.5 Checking the GC for leaks ............................................................................................89
4.4.6 Valves ......................................................................................................................... 90
4.4.7 Detector maintenance ................................................................................................ 93
4.4.8 Removing the FID ........................................................................................................95
4.4.9 LSIV maintenance ....................................................................................................... 97
4.4.10 Methanator maintenance ..........................................................................................103
4.4.11 Measure vent flow .....................................................................................................105
4.4.12 Electrical components ...............................................................................................105
4.4.13 Factory settings for jumpers and switches .................................................................110
4.4.14 Communications .......................................................................................................111
4.4.15 Installing or replacing a FOUNDATION fieldbus module ............................................ 119
4.4.16 Analog inputs and outputs ........................................................................................126
4.4.17 Discrete digital inputs and outputs ............................................................................126
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