Honeywell 7866 Operation And Maintenance Manual page 8

5.1 Overview ...................................................................................................................................... 47
5.2 Sensing Unit Calibration Warning ............................................................................................... 47
5.3 7866 Analyzer Input Calibration .................................................................................................. 48
5.4 7866 Remote Indicator Input Calibration..................................................................................... 51
5.5 Restoring Factory-set Input Calibration ....................................................................................... 52
5.6 Output Calibration ........................................................................................................................ 53
5.7 Security Lockout .......................................................................................................................... 54
5.8 Setting the Alarm Limits .............................................................................................................. 56
6. OPERATION ....................................................................................................... 59
6.1 Overview ...................................................................................................................................... 59
6.2 Operating Notes............................................................................................................................ 59
6.3 Operation ...................................................................................................................................... 59
7. MAINTENANCE .................................................................................................. 61
7.1 Routine Maintenance.................................................................................................................... 61
7.2 Parts Replacement ........................................................................................................................ 61
7.2.1 Sensing Unit ...................................................................................................................... 61
7.3 Repacking..................................................................................................................................... 64
7.4 Spare Parts.................................................................................................................................... 65
8. TROUBLESHOOTING ........................................................................................ 67
8.1 Overview ...................................................................................................................................... 67
8.2 Troubleshooting............................................................................................................................ 67
8.2.1 General .............................................................................................................................. 67
8.2.2 Recalibration...................................................................................................................... 67
8.2.3 Fault Isolation Tests........................................................................................................... 69
8.2.4 Additional Troubleshooting............................................................................................... 73
9. APPENDIX A - 7872 GAS SAMPLING PANEL ................................................. 75
9.1 Overview ...................................................................................................................................... 75
9.2 Model Selection Guide ................................................................................................................. 75
9.3 Installation .................................................................................................................................... 76
9.4 Maintenance ................................................................................................................................. 78
10. APPENDIX B - SECURITY BYPASS ................................................................. 79
10.1 Overview................................................................................................................................... 79
11. SALES AND SERVICE ....................................................................................... 81
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