Walchem WDT400 Series Instruction manual - page 3
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 .......................................................................................................................... 2
2.4
WDT 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.................................................................................................................... 6
3.5
Electrical installation............................................................................................................ 6
4.0
FUNCTION OVERVIEW ....................................................................................................... 10
4.1
Front Panel........................................................................................................................ 10
4.2
Display .............................................................................................................................. 10
4.3
Keypad .............................................................................................................................. 11
4.4
Access Code ..................................................................................................................... 11
4.5
Startup............................................................................................................................... 11
4.6
Shut Down......................................................................................................................... 11
5.0
OPERATION ......................................................................................................................... 12
5.1
Main Menu ........................................................................................................................ 12
5.2
Conductivity (A or B) Menu ............................................................................................... 14
5.3
Temperature (A or B) Menu .............................................................................................. 16
5.4
Bleed (A or B) Menu.......................................................................................................... 17
5.5
Feed (A or B) Menu........................................................................................................... 18
5.6
WM1 and WM2 Menu........................................................................................................ 20
5.7
Alarm (A or B) Menu.......................................................................................................... 21
5.8
Time Menu ........................................................................................................................ 22
5.9
4-20mA (A or B) Menu ...................................................................................................... 23
5.10
Access Code Menu ........................................................................................................... 24
5.11
Datalog Menu .................................................................................................................... 25
5.12
Config Menu ...................................................................................................................... 26
5.13
Upgrade Menu .................................................................................................................. 27
6.0
MAINTENANCE .................................................................................................................... 28
6.1
Electrode Cleaning ............................................................................................................ 28
6.2
Replacing the Fuses.......................................................................................................... 29
7.0
TROUBLESHOOTING .......................................................................................................... 29
7.1
Error Messages ................................................................................................................. 29
7.2
Conductivity Readout Does Not Change........................................................................... 31
7.3
Procedure for evaluation of the conductivity electrode ..................................................... 31
7.4
Procedure for checking relay outputs ................................................................................ 32
8.0
SERVICE POLICY ................................................................................................................ 32