MSA Chemgard - Section 5 Maintenance; WARNING on Replacement Parts; Troubleshooting Guidelines

Table of Contents
Chemgard Infrared Gas Monitor
TOC - 4
WARNING ..................................................................................................................................... 4-5
Figure 4-5. Unit Span Calibration .................................................................................................. 4-5
Figure 4-6. SPAN Calibration ........................................................................................................ 4-6
Figure 4-7. Unit Calibration Label .................................................................................................. 4-6
Section 5
Maintenance ................................................................................. 5-1
General Maintenance ................................................................................................................................. 5-1
Obtaining Replacement Parts .................................................................................................................... 5-1
WARNING ..................................................................................................................................... 5-1
Table 5-1. Replacement Parts ........................................................................................................... 5-1
Troubleshooting Guidelines ........................................................................................................................ 5-1
Table 5-2. Troubleshooting Guidelines ...................................................................................................5-3
Section 6
Data Logging ............................................................................... 6-1
Log Size ..................................................................................................................................................... 6-1
Last Values ................................................................................................................................................ 6-1
Number of Data Points Used ...................................................................................................................... 6-1
User Setup Options .................................................................................................................................... 6-1
Viewing Alarms/E
vents and Data ................................
............................................................................... 6-1
Appendix A
Check List .......................................................................................... A-1
Ap
pendix B
Relay Module ..................................................................................... B-1
General Description........................................................................................................................... B-1
Figure B-1. Relay Module .................................................................................................................... B-1
Specifications.................................................................................................................................................... B-2
Table B-1. Specifications ........................................................................................................................................................................................... B-2
Figure B-2. Mounting the Relay Module............................................................................................... B-2
Figure B-3. Relay Module Main Power Connector
and Communication Cable Connector Locations ................................................................................. B-2
Figure B-4. Chemgard Relay Module Power Wiring Diagrams for 120 Volts and 240 Volts AC .......... B-3
Figure B-5. Chemgard Infrared Gas Monitor Communication Cable Connections ............................... B-3
Unpacking the
Shi
pping Carton ........................................................................................................................ B-4
Identifying the Unit ............................................................................................................................................ B-4
Table B-2. Part Numbers and Supplied Relays ...................................................................................................................................... B-4
Figure B-6. Typical Interface Modules ....................................................................................... B-4