x | Model 920 Multi-Gas Analyzer
Personnel and Equipment Safety Information
This section describes important safety information to avoid personal injury and damage to the
equipment while installing, operating, maintaining, or servicing the equipment. All safety regu-
lations, standards, and procedures at the analyzer location must be followed.
All personnel involved with the installation, start-up, operation, maintenance, service, or trou-
bleshooting of the analyzer must review and follow these Warnings and Cautions.
Warnings
Review and follow these Warnings to avoid personal injury or environmental contamination.
Always disconnect main AC power and/or external power sources to the analyzer before open-
ing any covers or doors on the analyzer to check or perform maintenance on any components
within the enclosures.
If it is necessary to open the analyzer’s covers or doors while the circuits are live, test the area
for flammable gases (and proceed only when the area is safe).
Purged Analyzer (Hazardous Location) Applications
To work on the analyzer with it powered up and its Electronics Enclosure door open, the Purge
Bypass Switch must be in the “
BYPASS
” position.
When the Electronics Enclosure door is open, take appropriate precautions to avoid electrical
shock. Hazardous voltages are present inside.
All electrical connections, adjustments, or servicing of the analyzer should be performed only
by properly trained and qualified personnel.
All electrical connections, materials, and methods (plus all safety policies and procedures) must
be made in compliance with local wiring regulations and electrical code for the hazardous area,
and be approved by the Owner Company.
Follow appropriate regulatory and/or company procedures to lock out the analyzer while work-
ing on its electronics.
Before working on the sample system, confirm that the system is purged with Zero gas and is
isolated (blocked in) from the sample stream.
!
WARNING
!
WARNING
!
WARNING
!
WARNING
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Страница 47: ...Specifications 2 19 Heater Plate ATEX and IECEx Certificates and Marking ...
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Страница 53: ...Specifications 2 25 ATEX and IECEx certified Model 920 Analyzers are marked with this label ...
Страница 54: ...2 26 Model 920 Multi Gas Analyzer Disconnect Enclosure Type 200 ATEX and IECEx Certificates and Marking ...
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Страница 60: ...2 32 Model 920 Multi Gas Analyzer ATEX and IECEx certified Model 920 Analyzers are marked with this label ...
Страница 71: ...Installation and Start Up 3 11 Figure 3 4 Optical Bench Measuring Cell assembly ...
Страница 99: ...Installation and Start Up 3 39 Figure 3 11 Over Temp alarm reset switch SW300 Termination board ...
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Страница 173: ...Controller User Interface 4 65 Figure 4 8 Customer signal connections ...
Страница 187: ...Maintenance and Troubleshooting 5 11 Figure 5 1 Measuring Cell assembly ...
Страница 211: ...Maintenance and Troubleshooting 5 35 Figure 5 5 Optical Bench Chopper Assembly Maintenance Diagram ...
Страница 226: ...5 50 Model 920 Multi Gas Analyzer Figure 5 8 Flameproof Heater Seal Assembly layout WX 14324 1A ...
Страница 227: ...Maintenance and Troubleshooting 5 51 Figure 5 9 Flameproof Heater Seal internal component layout 100 1622 1A ...
Страница 228: ...5 52 Model 920 Multi Gas Analyzer Figure 5 10 Oven Heater and Temperature Sensor wiring WX 14161 ...
Страница 243: ...Maintenance and Troubleshooting 5 67 Figure 5 13 Over temp alarm reset switch SW300 Termination board ...
Страница 262: ...A 2 Model 920 Multi Gas Analyzer Ribbon Cable Interconnect WX 102836 ...
Страница 263: ...Appendix A Drawings A 3 GP Lower Enclosure to Electronics Wiring CE Analyzers WX 102810 ...
Страница 264: ...A 4 Model 920 Multi Gas Analyzer Heater and Sensor Wiring GP Div 2 Analyzers WX 102851 ...
Страница 265: ...Appendix A Drawings A 5 Heater and Sensor Wiring CE Zone 1 Analyzers WX 102852 ...
Страница 266: ...A 6 Model 920 Multi Gas Analyzer Lower Cabinet Wiring CE GP Analyzers 120V 100 1341 3 ...
Страница 267: ...Appendix A Drawings A 7 Lower Cabinet Wiring CE GP Analyzers 240V 100 1342 3 ...
Страница 268: ...A 8 Model 920 Multi Gas Analyzer Signal Wiring PD GP Div 2 CE Zone 1 Analyzers WX 102815 ...
Страница 270: ...A 10 Model 920 Multi Gas Analyzer 15V and 5V Power Supply DC Wiring GP Div 2 CE Zone 1 Analyzers WX 102811 ...
Страница 271: ...Appendix A Drawings A 11 24V Power Supply DC Wiring CE Zone 1 Analyzers WX 102812 ...
Страница 272: ...A 12 Model 920 Multi Gas Analyzer RS 232 Communications Cable Wiring 300 9480 ...
Страница 273: ...Appendix A Drawings A 13 RS 232 RS 485 Module Wiring CE Zone 1 GP Div 2 Analyzers 100 2185 ...
Страница 274: ...A 14 Model 920 Multi Gas Analyzer Microcontroller Board 100 0117 ...
Страница 275: ...Appendix A Drawings A 15 Host Controller Board Display Interface 100 0138 ...
Страница 276: ...A 16 Model 920 Multi Gas Analyzer Model 9xx Series Analyzer Type 200 Disconnect Enclosure Details ...
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