English (GB)
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3. 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
3.1 Type key
4. 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?
TM05 3240 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
TM04 2367 2408 TM00 5827 3408
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
12
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.
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