Table of Contents
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Tables
Table 1-1 Function of Keys ......................................................................................................................... 5
Table 1-2 Relative Thermal Conductivity of Common Gases..................................................................... 7
Table 3-1 Mounting Procedure ................................................................................................................... 25
Table 3-2 Permissible Wiring Bundling .................................................................................................... 27
cable..................................................................................................................................................... 31
Table 3-4 Terminals for connecting a UDC directly to a PC utilizing a straight-through cable................. 31
Table 4-1 Configuration Tips..................................................................................................................... 33
Table 4-2 Controller Unit Group Function Prompts.................................................................................. 34
Table 4-3 Indicator Unit Group Function Prompts.................................................................................... 35
Table 4-4 Alarms Group Function Prompts............................................................................................... 36
Table 4-5 Communications Group Function Prompts ............................................................................... 36
Parameter Definition .................................................................................................................................. 36
Table 4-6 Status Group Function Prompts................................................................................................. 39
Table 5-1 Input Calibration for Range 1.................................................................................................... 48
Table 5-2 Input Calibration for Range 2.................................................................................................... 49
Table 5-3 Input Calibration for Range 3.................................................................................................... 50
Table 5-4 PV Input Calibration.................................................................................................................. 51
Table 5-5 Restoring Analyzer's Factory-set Input Calibration Values...................................................... 52
Table 5-6 Restoring Indicator's Factory-set Input Calibration Values...................................................... 52
Table 5-7 Output Calibration Procedure.................................................................................................... 53
Table 5-8 Entering the Security Code........................................................................................................ 54
Table 5-9 Changing Security Level ........................................................................................................... 55
Table 5-10 Alarm Adjustment Procedure .................................................................................................. 57
Table 7-1 Sensing Unit Cell Assembly Cable Connections....................................................................... 63
Table 7-2 Recommended Spare Parts ........................................................................................................ 65
Table 8-1 Coarse Zero Adjustment............................................................................................................ 68
Table 8-2 Binary Count Sequence for Coarse Zero Jumper Pattern .......................................................... 68
Table 8-3 Coarse-Zero Jumper Pattern ...................................................................................................... 69
Table 8-4 Troubleshooting Procedures ...................................................................................................... 70
Table 9-1 Replaceable Parts for 7872 Gas Sampling Panel....................................................................... 78
9/06
7866 Triple Range Digital H
and CO
Analyzer/Indicator - Operation and Maintenance
ix
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Table of Contents
Troubleshooting
