Automatic Operation; Terminals; Identification; Nameplate - Grundfos CU 241 Instrucciones De Instalación Y Funcionamiento

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Fill
Designation
Description
1
High level
2
Stop level
3
Start level P1: start level for pump 1
4
Not in use
5
Dry-running level
In the filling application, the pump is installed in a tank or well from
where it pumps the liquid. The liquid is pumped into a second tank
where the level sensors are installed.
The pump will start to fill the second tank when Start level P1 is
reached.
The pump stops when the liquid level reaches Stop level.
If the pump for some reason does not stop at Stop level and the
liquid level keeps rising, the High level sensor will eventually
register this. If set, the signal from the High level sensor can be
used to activate a relay output which can then be used to give a
visual or acoustic alarm or send a signal to a SCADA system via a
communication interface.
If the pump is running and the liquid level in the tank falls below the
dry-running level, the dry-running protection will stop the pump to
ensure that it is not damaged.
Related information
7.1.2 Automatic operation

4.5 Terminals

7
6
5
4
Pos.
1
2
3
4
5
6
7
1
2
3
4
5
1
2
3
Description
Terminal for a CIM module,
optional
Cable tie holders
Terminal for the power supply
GENIbus, for internal use
between modules
USB port
Service connection

Nameplate

4.6 Identification

4.6.1 Nameplate
1
2
3
Type
P.N.
P
U
max
N
FCC ID OG3-CU241 IC: 10447A-CU241
N2042
15
Assembled in Denmark
14
13
Pos.
Description
1
Product name
2
Supply voltage
3
Max. power consumption
4
Material number and version number
5
Max. ambient temperature
6
Enclosure type according to NEMA
7
Production code (year and week)
8
Serial number
9
Enclosure class according to IEC
10
Factory code
11
FCC text
12
IC
13
FCC ID
14
Production site
15
Markings and approvals
4.6.2 Type key for CU 241
Example
CU 241
Pos.
1
Pos.
1
2
4.7 Supported communication interface modules and
protocols
The following Grundfos communication interface modules can be
added to the product.
Communication interface module
CIM 050
CIM 150
CIM 200
CIM 260
*
CIM 270
*
CIM 280
4
5
6
7
P.C.
8
C
S.N.
T
amb max
ENV
IP
9
P1
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:
10
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received,
including interference that may cause undesired operation
DK - 8850 Bjerringbro Denmark
12
11
1
2
Description
Type
CU 241
Number of pumps supported
Protocol
GENIbus
PROFIBUS DP
Modbus RTU
3G/4G
GRM
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