Buttons And Indicator Lights; Product Introduction - Grundfos Control DDD Montage- Und Betriebsanleitung

5.2 Buttons and indicator lights

The buttons (2 to 10 in fig. 2) on CU 354 are active when they are
lit.
5.2.1 Arrow to the right (2)
Press [Right] to go to the next menu in the menu structure. If you
press [Right] when menu "Settings" is highlighted, you will go to
menu "Status".
5.2.2 Help (3)
When [?] is lit, a help text applying to the display will appear if you
press the button.
Close the text by pressing [Back].
5.2.3 Up and down (4 and 5)
Move up and down in lists with the [Down] and [Up] buttons.
You can select a text with [OK] when it is in a box.
If a text is marked and you press [Up], the text above will be
marked. If you press [Down], the text below will be marked.
If you press [Down] in the last line in the list, the first line will be
marked.
If you press [Up] in the first line in the list, the last line will be
marked.
5.2.4 Plus and minus (6 and 7)
Increase and reduce a value with [+] and [-]. Save with [OK].
5.2.5 Back (8)
Press [Back] to go one display back in the menu.
If you have changed a value and press [Back], the new value will
not be saved. See also section
If you press [OK] before pressing [Back], the new value will be
saved. See also section 5.2.7 OK
5.2.6 Home (9)
Press [Home] to return to the menu "Status".
5.2.7 OK (10)
Use the button as an enter button.
The button is also used to start the setting of a value. If you have
changed a value, you must press [OK] to save the change.
5.2.8 Indicator lights (11 and 12)
The operating panel incorporates a green and red indicator light.
The green indicator light will be on when the system is in
operation and flash when the system has been set to stop.
The red indicator light will be on if there is an alarm or a warning.
The fault can be identified from the alarm list.
5.2.9 Brightness (13)
You can change the brightness in the display with this button:
1. Press [Brightness].
2. Adjust the brightness with [+] and [-].
5.2.10 Back light
If no button is touched for 15 minutes, the back light of the display
is dimmed, and the first display in the "Status" menu appears.
Press any button to re-activate the back light.
5.2.7 OK (10).
(10).

6. Product introduction

Fig. 4 Control DDD
Grundfos Control DDD is used for control and monitoring of
pressurised systems in water distribution networks.
Control DDD consists of a control cabinet with a built-in controller,
CU 354.
The control cabinet contains all necessary components such as
main switch, contactors, I/O modules, communication modules
and cabling.
In systems with external frequency converters, the frequency
converters can be installed in the cabinet if size permits.
By default, the control cabinet is for floor mounting.
The CIM Module in the CU 254 controller can be locked using a
GSM command. See section 8.8.3 CIM 250 safety.
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