Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 14)

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IM 11M13A01-04E
10.1.13 Oxygen Concentration (with time constant) ......................................... 10-6
10.1.14 Maximum Oxygen Concentration ......................................................... 10-6
10.1.15 Minimum Oxygen Concentration .......................................................... 10-6
10.1.16 Average Oxygen Concentration ............................................................ 10-6
10.1.17 Span-gas and Zero-gas Correction Ratios ............................................. 10-6
10.1.18 History of Calibration Time .................................................................. 10-7
10.1.19 Time ....................................................................................................... 10-7
10.1.20 Software Revision ................................................................................. 10-7
10.2 Operational Data Initialization ...................................................................... 10-8
10.3 Initialization Procedure ................................................................................. 10-9
10.4 Reset ............................................................................................................ 10-10
10.5 Handling of the ZO21S Standard Gas Unit ................................................ 10-18
10.5.1 Standard Gas Unit Component Identification ..................................... 10-19
10.5.2 Installing Gas Cylinders ...................................................................... 10-19
10.5.3 Calibration Gas Flow ........................................................................... 10-20
10.6 Methods of Operating Valves in the ZA8F Flow Setting Unit .................. 10-22
10.6.1 Preparation Before Calibration ............................................................ 10-22
10.6.2 Operating the Span Gas Flow Setting Valve ...................................... 10-22
10.6.3 Operating the Zero Gas Flow Setting Valve ...................................... 10-22
10.6.4 Treatment After Calibration ................................................................ 10-23
11. Inspection and Maintenance ........................................................................... 11-1
11.1 Inspection and Maintenance of the Detector ................................................ 11-2
11.1.1 Cleaning the Calibration Gas Tube ....................................................... 11-2
11.1.2 Replacing the Sensor Assembly ............................................................ 11-3
11.1.3 Replacement of the Heater Unit ............................................................ 11-5
11.1.4 Replacement of flame arrester assembly .............................................. 11-7
11.1.5 Replacement of O-ring .......................................................................... 11-8
11.1.6 Stopping and Re-starting Operation ..................................................... 11-8
11.2 Inspection and Maintenance of the Converter .............................................. 11-9
11.2.1 Replacing Fuses ..................................................................................... 11-9
11.3 Replacement of Flowmeter for Autocalibration Unit ................................. 11-11
12. Troubleshooting ................................................................................................ 12-1
12.1 Displays and Measures to Take When Errors Occur ................................... 12-1
12.1.1 What is an Error? .................................................................................. 12-1
12.1.2 Measures to Take When an Error Occurs ............................................. 12-2
12.2 Displays and Measures to Take When Alarms are Generated ..................... 12-4
12.2.1 What is an Alarm? ................................................................................. 12-4
12.2.2 Measures Taken When Alarms are Generated ..................................... 12-5
12.3 Measures When Measured Value Shows an Error ....................................... 12-9
12.3.1 Measured Value Higher Than True Value ............................................ 12-9
12.3.2 Measured Value Lower Than True Value .......................................... 12-10
12.3.3 Measurements Sometimes Show Abnormal Values ........................... 12-10
Customer Maintenance Parts List ................................................ CMPL 11M13A01-04E
Customer Maintenance Parts List ................................................ CMPL 11M13A01-12E
Customer Maintenance Parts List .................................................... CMPL 11M3D1-01E
Revision Record .................................................................................................................... i