En
gl
is
h
(G
B
)
3
Fig. 1
Example of CU 3X2
* Some help texts apply to the entire display, other
texts to the individual lines of the display.
25.1 Indicator lights
The CU 3X2 has one green and one red indicator
light.
The green indicator light is on when the power
supply has been switched on.
The red indicator light is on when the system is in
alarm mode.
2.2 Terminals
Fig. 2
Back of the CU 3X2
For further information, see section
9.12 Terminal
groups
.
25.3 Potentially explosive environments
The CU 3X2 must not be installed in explosive
environments, but may be used together with
Grundfos pumps approved for installation in
potentially explosive environments.
TM
05
30
44
09
12
Pos.
Description
1
LCD display
2
Changes to next column in menu
structure.
3
Changes to help text.*
4
Goes up in lists.
5
Goes down in lists.
6
Increases the value of a selected
parameter.
7
Reduces the value of a selected
parameter.
8
Goes one display back.
9
Goes back to menu "Status".
10
Saves a value.
11
Green indicator light (operation)
12
Red indicator light (alarm)
13
Changes the brightness of the
display.
1
11
10
9
8
7
6
4
5
3
2
12
13
CU 362
TM
05
31
81
091
2
Pos.
Description
1
Nameplate
2
Terminals for digital output relays
3
Terminals for analog inputs
4
Service connection
5
Ethernet (RJ45)
6
Voltage indicator
7
Terminals for digital inputs
8
Terminals for backup battery
9
Terminals for CIM module (optional)
10
Cable clamps for GENIbus connections
11
Internal GENIbus connection
12
Terminal for power supply
13
Label for backup battery
14
USB port
0V 12V
1
13
2
3
4
5
6 7 8 9 10
11 12
14
64
CU 35
2
2
5. CU 352 (3X2)
Installation and Operating Instructions
