7.3 Relays ........................................................................................................................................ 38
7.3.1 Menu tree ....................................................................................................................38
7.3.2 Settings .......................................................................................................................39
7.4 Measurement ............................................................................................................................ 40
7.4.1 Menu tree ....................................................................................................................40
7.4.2 Settings .......................................................................................................................41
7.5 Temperature ..............................................................................................................................41
7.5.1 Menu tree ....................................................................................................................41
7.5.2 Settings .......................................................................................................................41
7.6 Security ......................................................................................................................................42
7.6.1 Menu tree ....................................................................................................................42
7.6.2 Settings .......................................................................................................................42
7.6.3 Restoring default settings ........................................................................................... 42
Chapter 8 Calibration ................................................................................................................... 43
8.1 Introduction ...............................................................................................................................43
8.2 Entering the Calibration menus ..................................................................................................43
8.3 Calibrating temperature ............................................................................................................ 44
8.4 Calibrating the free chlorine sensor ............................................................................................44
8.5 Calibrating the analog outputs ...................................................................................................45
8.6 Reset ..........................................................................................................................................45
8.6.1 Purpose .......................................................................................................................45
8.6.2 Procedure ....................................................................................................................46
Chapter 9 Data and event logging and retrieval ............................................................................47
9.1 Overview ................................................................................................................................... 47
9.2 Configuration ............................................................................................................................ 47
9.3 Downloading data and events ....................................................................................................48
9.4 Date and time ............................................................................................................................ 48
Chapter 10 Graphical display ..........................................................................................................49
10.1 Overview ................................................................................................................................... 49
10.2 Configuration ............................................................................................................................ 49
Chapter 11 Digital communications ............................................................................................... 51
Chapter 12 Maintenance ................................................................................................................ 53
12.1 Transmitter ................................................................................................................................53
12.2 Total chlorine sensor ..................................................................................................................54
12.2.1 General ....................................................................................................................... 54
12.2.2 Cleaning the membrane ..............................................................................................55
12.2.3 Replacing the membrane ............................................................................................ 55
12.2.4 Replacing the electrolyte solution and membrane .......................................................55
12.3 Sample conditioning system ......................................................................................................57
12.3.1 Reagent .......................................................................................................................57
12.3.2 Sample and reagent tubing ......................................................................................... 57
12.3.3 Replacing sample tubing ............................................................................................. 58
12.3.4 Peristaltic pump tubing ............................................................................................... 60
12.3.5 Replacing the air pump ............................................................................................... 63
12.3.6 Replacing the air pump diaphragm and check valves ...................................................65
Chapter 13 Troubleshooting .......................................................................................................... 69
13.1 Overview ................................................................................................................................... 69
13.2 Reading and troubleshooting Fault and Warning messages ....................................................... 69
13.3 Sensor diagnostics ..................................................................................................................... 70
Contents
ii Rosemount TCL