Electro-Chemical Devices (ECD) DCA-23 - Manual (Page 3)

DCA-23 Page iii
TABLE OF CONTENTS
PREFACE .................................................................................................................................................................................. ii
TABLE OF CONTENTS .............................................................................................................................................................. iii
WARRANTY.............................................................................................................................................................................. v
IMPORTANT SERVICE INFORMATION ..................................................................................................................................... v
UNPACKING THE INSTRUMENT .............................................................................................................................................. vi
1.0 GENERAL DESCRIPTION ..................................................................................................................................................... 1
1.1 Features ........................................................................................................................................................................ 2
1.2 Specifications ................................................................................................................................................................ 2
2.0 INSTALLATION ................................................................................................................................................................... 4
2.1 MOUNTING ................................................................................................................................................................... 4
2.2 WIRING .......................................................................................................................................................................... 5
2.2.1 Wiring, Sensor(s) .................................................................................................................................................... 5
2.2.2 Wiring, power ........................................................................................................................................................ 5
2.2.3 Wiring, 4-20 mA Outputs ....................................................................................................................................... 5
2.2.4 Wiring, Contact Relay Outputs ............................................................................................................................... 5
2.3 PLUMBING ..................................................................................................................................................................... 6
2.3.1 Sample Requirements ............................................................................................................................................ 6
2.3.2 Connecting the Inlet and Drain fittings .................................................................................................................. 6
2.4 INSTALLING the SENSORS ............................................................................................................................................. 6
3.0 OPERATION ....................................................................................................................................................................... 7
3.01 Measurement Overview ......................................................................................................................................... 7
Table #1 TRO/pH/Equivalent Chlorine ppm .................................................................................................................... 7
3.1 KEYS ............................................................................................................................................................................... 8
3.2 MENUS .......................................................................................................................................................................... 8
3.2.1 TRO Menus ............................................................................................................................................................. 8
3.2.2 pH Menus ............................................................................................................................................................... 9
3.3 CALIBRATION MENUS ................................................................................................................................................. 11
3.3.1 pH Calibration ...................................................................................................................................................... 11
3.3.2 TRO Calibration .................................................................................................................................................... 11
3.3.3 Temperature Trim ................................................................................................................................................ 11