2
O&M Manual
Rev F (8/17)
Table of Contents
PART 1 - INTRODUCTION ................................. 4
1.1 General ...................................................... 4
1.2 Standard System ....................................... 5
1.3 Features ..................................................... 8
1.4 Q46/85 System Specifications .................. 9
1.5 Q46H Performance Specifications ...........10
PART 2 – ANALYZER MOUNTING .................11
2.1 General .....................................................11
2.2 Wall or Pipe Mount ..................................12
2.3 Panel Mounting ........................................14
PART 3 – SENSOR/FLOWCELL MOUNTING 15
3.1 General .....................................................15
3.2 Constant-Head Flowcell ...........................15
3.3 Sealed Flowcell ........................................16
3.4 Submersion Mounting ..............................18
PART 4 – ELECTRICAL INSTALLATION ......19
4.1 General .....................................................19
4.2 Power Connection ....................................19
4.4 Direct Sensor Connection ........................23
4.5 Sensor Wiring ......................................24
4.6 Junction Box Connection .........................25
PART 5 – SENSOR ASSEMBLY .........................26
5.1 PAA Sensor Preparation ..........................26
5.2 Optional pH Sensor ..................................28
PART 6 – CONFIGURATION .............................29
6.1 User Interface ...........................................29
6.11 Keys .........................................................30
6.12 Display .....................................................30
6.2 Software ...................................................32
6.21 Software Navigation ...............................32
6.22 Measure Menu [MEASURE] ...................35
6.23 Calibration Menu [CAL].............................36
6.24 Configuration Menu [CONFIG] ..............36
6.25 Control Menu [CONTROL] ....................41
6.26 Diagnostics Menu [DIAG] .........................45
PART 7 – CALIBRATION ...................................48
7.1 PAA Calibration ......................................48
7.11 PAA Zero Cal ..........................................48
7.12 PAA Span Cal ..........................................49
7.2 Temperature Calibration ..........................50
7.3 pH Calibration..........................................51
7.31 Two-Point pH Cal ....................................51
7.32 One-Point pH Cal .....................................52
PART 8 – PID CONTROLLER DETAILS .........53
8.1 PID Description .......................................53
8.2 PID Algorithm .........................................53
8.3 Classical PID Tuning ...............................55
8.4 Manual PID Override Control..................55
8.5 Common PID Pitfalls ...............................55
PART 9 – SYSTEM MAINTENANCE ................57
9.1 General .....................................................57
9.2 Analyzer Maintenance .............................57
9.3 PAA Sensor Maintenance ........................57
9.31 Sensor Acid Cleaning ..............................58
9.4 Flow Cell Maintenance ............................58
PART 10 – TROUBLESHOOTING ....................59
10.1 General .....................................................59
10.2 External Sources of Problems ..................59
10.3 Analyzer Tests .........................................60
10.4 Display Messages ....................................60
10.5 Sensor Tests .............................................63
SPARE PARTS ......................................................65
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