Michell Instruments Condumax II User Manual page 5

Condumax II User's Manual
3.10 Adjusting and Viewing System Variables ................................................................. 32
3.10.1 Enter Password ........................................................................................... 32
3.10.2 Variable Pages ............................................................................................ 32
3.10.3 Variables Page 1 ......................................................................................... 33
3.10.4 Variables Page 2 ......................................................................................... 33
3.10.5 Variables Page 3 ......................................................................................... 33
3.10.6 Variables Page 4 ......................................................................................... 34
3.10.7 Variables Page 5 ......................................................................................... 34
3.11 Sensitivity Calibration ............................................................................................ 35
3.11.1 Executing the Sensitivity Calibration ............................................................. 35
3.11.2 Viewing the Calibration Data ........................................................................ 35
3.12 Water Dew-Point Sensor Information ...................................................................... 36
3.13 Contact/About Information .................................................................................... 36
4 MAINTENANCE ................................................................................................37
4.1 Calibration ............................................................................................................ 37
4.2 Enclosure Cover and User Interface ........................................................................ 38
4.3 Inspection/Cleaning of Hydrocarbon Sensor Cell Optical Surface ............................... 39
4.4 Replacement of the Hydrocarbon Sensor Cell Assembly ........................................... 40
4.5 Replacement of the Water Dew-Point Sensor ........................................................... 41
4.6 Troubleshooting .................................................................................................... 42
4.6.1 Error Messages ........................................................................................... 42
4.6.2 Logged Error Codes ..................................................................................... 43
4.6.3 mA1 Output Analyzer Fault Alarm ................................................................. 44
4.6.4 Heat-Pump Depression ................................................................................ 45
Figures
Figure 1 Power Connection Connector ........................................................................... 5
Figure 2 Earthing Stud And Nut Washer Assembly .......................................................... 6
Figure 3 Condumax Dimensions .................................................................................. 10
Figure 4 Flow Schematic ............................................................................................. 11
Figure 5 Typical Phase Envelope for Northern Europe Natural Gas .................................. 14
Figure 6 Wiring Hook-Up Diagram ............................................................................... 15
Figure 7 Minimum Requirements for Start-Up Purging ................................................... 18
Figure 8 Sensitivity Calibration Plot (Example) .............................................................. 23
Figure 9 User Interface ............................................................................................... 24
Figure 10 'UP/DOWN ARROW' Buttons........................................................................... 24
Figure 11 'SELECT' Button ............................................................................................ 25
Figure 12 'MENU/MAIN' Button ..................................................................................... 25
Figure 13 Menu Structure ............................................................................................. 26
Figure 14 MAIN Page With Wdp Sensor Fitted ................................................................ 27
Figure 15 MAIN Page Without Wdp Sensor Fitted ........................................................... 27
Figure 16 MENU Page ................................................................................................... 27
Figure 17 STATUS Page 1 ............................................................................................. 28
Figure 18 STATUS Page 2 ............................................................................................. 29
Figure 19 LOGGED DATA Page ...................................................................................... 30
Figure 20 STATISTICS Page .......................................................................................... 31
Figure 21 Logged Error Codes ....................................................................................... 31
Figure 22 Password Page .............................................................................................. 32
Figure 23 Variables Page .............................................................................................. 32
Figure 24 Sensitivity Calibration Page ............................................................................ 35
Figure 25 Sensitivity Calibration Data Page .................................................................... 35
Figure 26 Water Dew-Point Sensor Information Page ...................................................... 36
Figure 27 Contact/About Information Page .................................................................... 36
Figure 28 Logged Error Codes ....................................................................................... 43
Figure 29 Reading Holding Registers State Diagram ........................................................ 68
Figure 30 Write Single Register State Diagram ............................................................... 70
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