DEIF DU-2/MKIII Paralleling And Protection Unit General information

About the Operator's manual

This AGC-4 Mk II Operator's Manual describes the DU-2 display unit buttons and LEDs, LCD display, alarm handling and the log list.

A TDU can be used instead of a DU-2. This touch screen display unit has its own operator's manual.

CAUTION

Read this manual Read this manual before you operate the system. Failure to do this may result in personal injury and damage to the equipment.

Warnings, safety and legal information

Warnings and notes

Throughout this document, a number of warnings and notes with helpful user information will be presented. To ensure that these are noticed, they will be highlighted as follows in order to separate them from the general text.

Factory settings

The controller is delivered pre-programmed from the factory with a set of default settings. These settings are based on typical values and may not be correct for your system. You must therefore check all parameters before using the controller.

Legal information and disclaimer

DEIF takes no responsibility for installation or operation of the generator set or switchgear. If there is any doubt about how to install or operate the engine/generator or switchgear controlled by the Multi-line 2 unit, the company responsible for the installation or the operation of the equipment must be contacted.

NOTE The Multi-line 2 unit is not to be opened by unauthorised personnel. If opened anyway, the warranty will be lost.

Disclaimer

DEIF A/S reserves the right to change any of the contents of this document without prior notice.

The English version of this document always contains the most recent and up-to-date information about the product. DEIF does not take responsibility for the accuracy of translations, and translations might not be updated at the same time as the English document. If there is a discrepancy, the English version prevails.

DEIF DU-2/MKIII Paralleling And Protection Unit General information

1. Shifts the first line displaying in the setup menus. If more than one DU-2 is connected to the controller, push for 2 seconds to make this DU-2 the master display.

2. Moves the cursor left.

3. Up button: Function depends on context.
   • V1: Scrolls the view lines.
   • Setup menu: Displays a different value in the second line.

   • A parameter: Increases the set point

  4. Selects the underscored entry in the fourth line of the display. 

  5. Moves the cursor right. 

  6. Down button: Function depends on context. • V1: Scrolls the view lines. • Setup menu: Displays a different value in the second line. • A parameter: Decreases the set point. 

  7. Changes the menu line (line four) in the display to mode selection. • Not present in group and plant controllers. 

  8. Jumps one step backwards in the menu (to previous display or to the entry window). 

  9. Displays the LOG SETUP window where you can choose between the Event, Alarm and Battery logs. The logs are not deleted when the auxiliary supply is switched off. 

  10. Manual activation of close/open breaker sequence if SEMI is selected. 

  11. Manual activation of close/open breaker sequence if SEMI is selected. 

  12. Stops the genset/plant if SEMI or MANUAL* is selected. 

  13. Starts the genset/plant if SEMI or MANUAL* is selected. 

  14. Enables the user to use the menu number to select and display any setting. 

  15. Shifts the display three lower lines to show the alarm list. By holding the button, all alarms will be acknowledged. 

  16. Group and plant controllers: Select AUTO and SEMI mode. 

  17. German AGC only: Test button.

Maintenance and disposal

Maintenance

The AGC-4 Mk II does not require maintenance. If the controller is damaged, you can send it to DEIF for replacement of the damaged parts.

Disposal of waste electrical and electronic equipment

All products that are marked with the crossed-out wheeled bin (the WEEE symbol) are electrical and electronic equipment (EEE). EEE contains materials, components and substances that can be dangerous and harmful to people's health and to the environment. Waste electrical and electronic equipment (WEEE) must therefore be disposed of properly. In Europe, the disposal of WEEE is governed by the WEEE directive issued by the European Parliament. DEIF complies with this directive.

You must not dispose of WEEE as unsorted municipal waste.