En
gl
is
h
(G
B)
4
26. Identification
The CU 3X2 can be identified by means of the
nameplate on the back. See fig.
3
.
Fig. 3
Example of nameplate
The CU 3X2 has a label for the backup battery.
See fig.
4
.
Fig. 4
Label for backup battery
Fig. 5
Protective earth terminal
26.1 Type key
27. Installation
The CU 3X2 is only intended for use in control
panels.
Before installation, check the following:
• Does the CU 3X2 correspond to the one
ordered?
• Is it suitable for the power supply available at the
installation site?
• Has it been damaged during transportation?
TM
05
324
0
1012
Pos.
Description
1
Type designation
2
Product number and version number
3
Serial number
4
Production code (year and week)
5
Rated voltage, frequency and power
TM
04
23
67
24
08
TM
00
5
827
34
08
Code Example
CU
3
X
2
CU
Control unit
3X
Controller series
2
Model number
Type
Made in Thailand
96161750
Product No.
U
N
Serial No.
P.c.
!
OPEN TYPE PROCESS
CONTROL EQUIPMENT
100-240 VAC 50/60Hz - Max. 22W
CU 362
98146953 - VO1
1
2
4
5
3
0536
1228
30 XP
12V dc
Battery powered
0V
12V
96801950
Warning
Switch off the power supply before
making connections. Make sure that it
cannot be accidentally switched on.
Warning
The electrical installation should be
carried out by an authorised person in
accordance with local regulations.
Warning
Observe local regulations for safety,
health and environment.
Warning
The terminals L and N as well as 70 to
75 may be connected to dangerous
contact voltage. External control
voltage from other groups may occur.
Warning
All wires to units outside the control
panel must be of the type H05VV-F
according to CENELEC HD21 (to avoid
injury from touching wires).
USA and Canada:
Field wiring installation shall comply
with National Electrical Code (NEC)
and/or Canadian Electrical Code.
Warning
The installation must incorporate a
circuit breaker in order to switch off the
mains supply. It must be close to the
CU 3X2 and easily accessible for the
operator. It must be marked as circuit
breaker for the CU 3X2. The circuit
breaker must be according to
IEC 60947-1 and IEC 60947-3.
CU 35
2
65
