Table Of Contents - Walchem WDP420 Instruction Manual

TABLE OF CONTENTS

1.0 INTRODUCTION........................................................................................................................ 1
2.0 SPECIFICATIONS ..................................................................................................................... 2
2.1 Measurement Performance ................................................................................................................... 2
2.2 Electrical: Input/Output .......................................................................................................................... 2
2.3 Mechanical............................................................................................................................................. 3
2.4 WPH/WDP Variables and their Limits.................................................................................................... 3
3.0 UNPACKING & INSTALLATION .............................................................................................. 4
3.1 Unpacking the unit ................................................................................................................................. 4
3.2 Mounting the electronic enclosure ......................................................................................................... 4
3.3 Installation.............................................................................................................................................. 4
3.4 Icon Definitions ...................................................................................................................................... 5
3.5 Electrical installation .............................................................................................................................. 7
4.0 FUNCTION OVERVIEW .......................................................................................................... 18
4.1 Front Panel .......................................................................................................................................... 18
4.2 Display ................................................................................................................................................. 18
4.3 Keypad................................................................................................................................................. 19
4.4 Access Code........................................................................................................................................ 19
4.5 Startup ................................................................................................................................................. 19
4.6 Shut Down ........................................................................................................................................... 20
5.0 OPERATION............................................................................................................................ 20
5.1 Main Menu ........................................................................................................................................... 20
5.2 Sensor Menu........................................................................................................................................ 22
5.3 Temperature Menu (this menu does not appear if an ORP sensor has been selected) ..................... 28
5.4 Control 1 - 4 Menus (FOR ON/OFF CONTROLLERS) ....................................................................... 29
5.5 Control 1-4 Menu (FOR PROPORTIONAL CONTROLLERS) ............................................................ 34
5.6 Interlock A Menu .................................................................................................................................. 36
5.7 4-20 mA 1 and 2 Menus (Optional)...................................................................................................... 37
5.8 Time Menu ........................................................................................................................................... 38
5.9 Access Code Menu.............................................................................................................................. 39
5.10 Datalog Menu....................................................................................................................................... 40
5.11 Config Menu......................................................................................................................................... 42
5.12 Upgrade Menu ..................................................................................................................................... 44
6.0 MAINTENANCE....................................................................................................................... 45
6.1 Electrode Maintenance ........................................................................................................................ 45
6.2 Replacing the Fuses ............................................................................................................................ 46
7.0 TROUBLESHOOTING............................................................................................................. 46
7.1 Error Messages.................................................................................................................................... 46
8.0 SERVICE POLICY ................................................................................................................... 48