Grundfos CUE User manual
GRUNDFOS
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2
Declaration of conformity
We, Grundfos, declare under our sole responsibility that the products
CUE, to which this declaration relates, are in conformity with these
Council directives on the approximation of the laws of the EC member
states:
— Low Voltage Directive (2006/95/EC).
Standard used: EN 61800-5-1: 2003.
— EMC Directive (2004/108/EC).
Standard used: EN 61800-3: 2005.
Bjerringbro, 15th December 2010
Jan Strandgaard
Technical Director
Grundfos Holding A/S
Poul Due Jensens Vej 7
8850 Bjerringbro, Denmark
Person authorised to compile technical file and
empowered to sign the EC declaration of conformity.
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Installation and operating instructions
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This manual introduces all aspects of your Grundfos CUE
frequency converter in the power range of 0.55 to 90 kW.
Always keep this manual close to the CUE.
> ? @ A B C B D E F G B H I D J K L J M C
CUE is a series of external frequency converters especially
designed for pumps.
Thanks to the start-up guide in the CUE, the installer can quickly
set central parameters and put the CUE into operation.
Connected to a sensor or an external control signal, the CUE will
quickly adapt the pump speed to the actual demand.
> ? > N K K F J I E L J M C H
The CUE series and Grundfos standard pumps are a supplement
to the Grundfos E-pumps range with integrated frequency
converter.
A CUE solution offers the same E-pump functionality
• in the mains voltage or power ranges not covered by the
E-pump range.
• in applications where an integrated frequency converter is not
desirable or permissible.
> ? O P B Q B D B C I B H
Technical documentation for Grundfos CUE:
• The manual contains all information required for putting the
CUE into operation.
• The data booklet contains all technical information about the
construction and applications of the CUE.
• Service instructions contain all required instructions for
dismantling and repairing the frequency converter.
Technical documentation is available on www.grundfos.com >
International website > WebCAPS.
If you have any questions, please contact the nearest Grundfos
company or service workshop.
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2.1 General description 3
2.2 Applications 3
2.3 References 3
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3.1 Warning 4
3.2 Safety regulations 4
3.3 Installation requirements 4
3.4 Reduced performance under certain conditions 4
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4.1 Nameplate 4
4.2 Packaging label 4
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5.1 Reception and storage 5
5.2 Transportation and unpacking 5
5.3 Space requirements and air circulation 5
5.4 Mounting 5
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6.1 Electrical protection 6
6.2 Mains and motor connection 6
6.3 Connecting the signal terminals 10
6.4 Connecting the signal relays 12
6.5 Connecting the MCB 114 sensor input module 14
6.6 EMC-correct installation 14
6.7 RFI filters 15
6.8 Output filters 15
6.9 Motor cable 15
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8.1 Uncontrolled operation (open loop) 16
8.2 Controlled operation (closed loop) 16
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10.1 Control panel 19
10.2 Back to factory setting 19
10.3 CUE settings 19
10.4 Start-up guide 20
10.5 Menu GENERAL 23
10.6 Menu OPERATION 24
10.7 Menu STATUS 25
10.8 Menu INSTALLATION 26
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12.1 Control without bus signal, local operating mode 33
12.2 Control with bus signal, remote-controlled operating
mode 33
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13.1 Digital inputs 33
13.2 External setpoint 33
13.3 GENIbus signal 34
13.4 Other bus standards 34
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14.1 Cleaning the CUE 34
14.2 Service parts and service kits 34
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15.1 Warning and alarm list 34
15.2 Resetting of alarms 35
15.3 Indicator lights 35
15.4 Signal relays 35
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16.1 Enclosure 36
16.2 Cable entry 36
16.3 Main dimensions and weight 37
16.4 Surroundings 37
16.5 Terminal tightening torques 37
16.6 Cable length 38
16.7 Fuses and cable cross-section 38
16.8 Inputs and outputs 40
16.9 Sound pressure level 40
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Wait only for shorter time if stated so on the nameplate of the
CUE in question.
O ? > E Q B L D B F E L J M C H
• The on/off button of the control panel does not disconnect the
CUE from the power supply and must therefore not be used as
a safety switch.
• The CUE must be earthed correctly and protected against
indirect contact according to national regulations.
• The leakage current to earth exceeds 3.5 mA.
• Enclosure class IP20/21 must not be installed freely
accessible, but only in a panel.
• Enclosure class IP54/55 must not be installed outdoors
without additional protection against water and the sun.
• Always observe national and local regulations as to cable
cross-section, short-circuit protection and overcurrent
protection.
O ? O C H L E F F E L J M C D B J D B B C L H
The general safety necessitates special considerations as to
these aspects:
• fuses and switches for overcurrent and short-circuit protection
• selection of cables (mains current, motor, load distribution and
relay)
• net configuration (IT, TN, earthing)
• safety on connecting inputs and outputs (PELV).
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In connection with IT mains and earthed delta mains, the mains
voltage may exceed 440 V between phase and earth.
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The CUE contains a large number of mechanical and electronic
components. They are all vulnerable to environmental effects.
O ? P B G I B G K B D Q M D E C I B C G B D I B D L E J C I M C G J L J M C H
The CUE will reduce its performance under these conditions:
• low air pressure (at high altitude)
• long motor cables.
The required measures are described in the next two sections.
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PELV = Protective Extra Low Voltage.
At low air pressure, the cooling capacity of air is reduced, and the
CUE automatically reduces the performance to prevent overload.
It may be necessary to select a CUE with a higher performance.
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The maximum cable length for the CUE is 300 m for unscreened
and 150 m for screened cables. In case of longer cables, contact
Grundfos.
The CUE is designed for a motor cable with a maximum cross-
section as stated in section
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The CUE can be identified by means of the nameplate.
An example is shown below.
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Example of nameplate
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The CUE can also be identified by means of the label on the
packaging.
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4 minutes 15 minutes 20 minutes
200-240 V 0.75 - 3.7 kW 5.5 - 45 kW
380-500 V 0.55 - 7.5 kW 11 - 90 kW
525-600 V 0.75 - 7.5 kW
525-690 V 11 - 90 kW
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T/C: CUE (product name)
202P1M2... (internal code)
Prod.no: Product number: 12345678
S/N:
Serial number: 123456G234
The last three digits indicate the production date:
23 is the week, and 4 is the year 2004.
1.5 kW Typical shaft power on the motor
IN: Supply voltage, frequency and maximum input
current
OUT:
Motor voltage, frequency and maximum output
current. The maximum output frequency usually
depends on the pump type.
CHASSIS/
IP20 Enclosure class
Tamb. Maximum ambient temperature
T/C: CUE202P1M2T5E20H1BXCXXXSXXXXAXBXCXXXXDX
Prod. no: 12345678 S
/
N: 123456G234
IN: 3x380-500 V 50/60Hz 3.7A
OUT: 3x0-Vin 0-100Hz 4.1 A 2.8 kV
A
CHASSIS/IP20 Tamb. 45C/122F
IIIIIIIIIIIBAR CODEIIIIIIIIIII MADE IN DENMARK
Listed 76X1 E134261 Ind. Contr. Eq.
See manual for prefuse
CAUTION:
SEE MANUAL
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WARNING:
STORED CHARGE DO NOT TOUCH UNTIL
4 MIN AFTER DISCONNECTION
CHARGE RESIDUELLE, ATTENDRE
4 MIN APRES DECONNEXION
1.5 kW (400V)
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The individual CUE cabinet sizes are characterised by their
enclosures. The table in section
shows the relationship of
enclosure class and enclosure type.
Ç? @ P B I B K L J M C E C G H L M D E B
Check on receipt that the packaging is intact, and the unit is
complete. In case of damage during transport, contact the
transport company to complain.
Note that the CUE is delivered in a packaging which is not
suitable for outdoor storage.
Ç? > È D E C H K M D L E L J M C E C G C K E I ² J C
The CUE must only be unpacked at the installation site to prevent
damage during the transport to the site.
The packaging contains accessory bag(s), documentation and
the unit itself. See fig 2.
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CUE packaging
Ç? O K E I B D B J D B B C L H E C G E J D I J D I F E L J M C
CUE units can be mounted side by side, but as a sufficient air
circulation is required for cooling these requirements must be
met:
• Sufficient free space above and below the CUE.
See table below.
• Ambient temperature up to 50 °C.
• Hang the CUE directly on the wall, or fit it with a back plate.
See fig. 3.
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CUE hung directly on the wall or fitted with a back
plate
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For information about enclosure, see table in section
.
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1. Mark and drill holes. See the dimensions in section
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2. Fit the screws, but leave loose. Mount the CUE, and tighten
the four screws.
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Drilling of holes
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Accessory
bag(s)
Documentation
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B1, B2, B3, B4, C1, C3 200
C2, C4 225
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Example of three-phase mains connection of the CUE
with mains switch, back-up fuses and additional
protection
Ð ? @ Ñ F B I L D J I E F K D M L B I L J M C
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Protective conductors must always have a yellow/green (PE) or
yellow/green/blue (PEN) colour marking.
Instructions according to EN IEC 61800-5-1:
• The CUE must be stationary, installed permanently and
connected permanently to the mains supply.
• The earth connection must be carried out with duplicate
protective conductors or with a single reinforced protective
conductor with a cross-section of minimum 10 mm2.
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The CUE and the supply system must be protected against short-
circuit.
Grundfos demands that the back-up fuses mentioned in section
are used for protection against short-circuit.
The CUE offers complete short-circuit protection in case of a
short-circuit on the motor output.
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If the CUE is connected to an electrical installation where an
earth leakage circuit breaker (ELCB) is used as additional
protection, the circuit breaker must be of a type marked with the
following symbols:
The circuit breaker is
" T % & Ô
.
The total leakage current of all the electrical equipment in the
installation must be taken into account.
The leakage current of the CUE in normal operation can be seen
in section
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.
During start and in asymmetrical supply systems, the leakage
current can be higher than normal and may cause the ELCB to
trip.
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The motor requires no external motor protection. The CUE
protects the motor against thermal overloading and blocking.
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The CUE has an internal overcurrent protection for overload
protection on the motor output.
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The CUE is protected against mains voltage transients according
to EN 61800-3, second environment.
Ð ? > Ë E J C H E C G M L M D I M C C B I L J M C
The supply voltage and frequency are marked on the CUE
nameplate. Make sure that the CUE is suitable for the power
supply of the installation site.
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A mains switch can be installed before the CUE according to local
regulations. See fig. 5.
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The wires in the terminal box must be as short as possible.
Excepted from this is the protective conductor which must be so
long that it is the last one to be disconnected in case the cable is
inadvertently pulled out of the cable entry.
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Wiring diagram, three-phase mains connection
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91 (L1)
Three-phase supply92 (L2)
93 (L3)
95/99 (PE) Earth connection
96 (U) Three-phase motor connection, 0-100 % of
mains voltage
97 (V)
98 (W)
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For information about enclosure, see table in section
.
1. Fit the mounting plate with two screws.
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Fitting the mounting plate
2. Connect the earth conductor to terminal 95 (PE) and the mains
conductors to the terminals 91 (L1), 92 (L2), 93 (L3) of the
mains plug. Put the mains plug into the socket marked MAINS.
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Connecting the earth conductor and mains conductors
3. Fix the mains cable to the mounting plate.
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Fixing the mains cable
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For information about enclosure, see table in section
.
1. Connect the earth conductor to terminal 99 (PE) on the
mounting plate. Connect the motor conductors to the terminals
96 (U), 97 (V), 98 (W) of the motor plug.
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Connecting the earth conductor and motor conductors
2. Put the motor plug into the socket marked MOTOR. Fix the
screened cable to the mounting plate with a cable clamp.
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Connecting the motor plug and fixing the screened
cable
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1. Connect the earth conductor to terminal 95 (PE). See fig. 12.
2. Connect the mains conductors to the terminals 91 (L1),
92 (L2), 93 (L3) of the mains plug.
3. Put the mains plug into the socket marked MAINS.
4. Fix the mains cable with a cable clamp.
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Mains connection, A4 and A5
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1. Connect the earth conductor to terminal 99 (PE). See fig. 13.
2. Connect the motor conductors to the terminals 96 (U), 97 (V),
98 (W) of the motor plug.
3. Put the motor plug into the socket marked MOTOR.
4. Fix the screened cable with a cable clamp.
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Motor connection, A5
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For information about enclosure, see table in section
.
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1. Connect the earth conductor to terminal 95 (PE). See fig. 14.
2. Connect the mains conductors to the terminals 91 (L1),
92 (L2), 93 (L3).
3. Fix the mains cable with a cable clamp.
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Mains connection, B1 and B2
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1. Connect the earth conductor to terminal 99 (PE). See fig. 15.
2. Connect the motor conductors to the terminals 96 (U), 97 (V),
98 (W).
3. Fix the screened cable with a cable clamp.
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Motor connection, B1 and B2
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For information about enclosure, see table in section
.
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1. Connect the earth conductor to terminal 95 (PE).
See figs 16 and 17.
2. Connect the mains conductors to the terminals 91 (L1),
92 (L2), 93 (L3).
3. Fix the mains cable with a cable clamp.
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1. Connect the earth conductor to terminal 99 (PE).
See figs 16 and 17.
2. Connect the motor conductors to the terminals 96 (U), 97 (V),
98 (W).
3. Fix the screened cable with a cable clamp.
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Mains and motor connection, B3
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Mains and motor connection, B4
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For information about enclosure, see table in section
.
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1. Connect the earth conductor to terminal 95 (PE). See fig. 18.
2. Connect the mains conductors to the terminals 91 (L1),
92 (L2), 93 (L3).
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1. Connect the earth conductor to terminal 99 (PE). See fig. 18.
2. Connect the motor conductors to the terminals 96 (U), 97 (V),
98 (W).
3. Fix the screened cable with a cable clamp.
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For information about enclosure, see table in section
.
_ ! ( # & ( " #
1. Connect the earth conductor to terminal 95 (PE).
See figs 19 and 20.
2. Connect the mains conductors to the terminals 91 (L1),
92 (L2), 93 (L3).
_ # " # ( # & ( " #
1. Connect the earth conductor to terminal 99 (PE).
See figs 19 and 20.
2. Connect the motor conductors to the terminals 96 (U), 97 (V),
98 (W).
3. Fix the screened cable with a cable clamp.
k ) R e
Mains and motor connection, C3
k ) Y g
Mains and motor connection, C4
Ð ? O ã M C C B I L J C L ä B H J C E F L B D J C E F H
Connect the signal cables according to the guidelines for good
practice to ensure EMC-correct installation. See section
å Ö æ ¬ § « ª ª £ § ® ¥ ¢ ¤ © © ¤ ® « ¥
.
• Use screened signal cables with a conductor cross-section of
min. 0.5 mm2and max. 1.5 mm2.
• Use a 3-conductor screened bus cable in new systems.
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k ) Y R
Wiring diagram, signal terminals
Terminals 27, 29 and 37 are not used.
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} v u y v y | n o n u y z
o t
t u { y o r o t } | v o y q p t o ~ y z q p v } w n u q t p q p
u { y q o y p u q o y w y p r u { v
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p t y u y o p n w t p ç t v q u ~ { q v ~ t p p y ~ u y z x v { t o u ¿
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TM03 8800 2507
h & U h T % & k ' ( " #
12 +24 V out Supply to sensor
13 +24 V out Additional supply
18 DI 1 Digital input, start/stop
19 DI 2 Digital input, programmable
20 GND Common frame for digital inputs
32 DI 3 Digital input, programmable
33 DI 4 Digital input, programmable
39 GND Frame for analog output
42 AO 1 Analog output, 0-20 mA
50 +10 V out Supply to potentiometer
53 AI 1 External setpoint, 0-10 V/0/4-20 mA
54 AI 2 Sensor input, sensor 1, 0/4-20 mA
55 GND Common frame for analog inputs
61 RS-485 GND Y GENIbus, GND
68 RS-485 A GENIbus, signal A (+)
69 RS-485 B GENIbus, signal B (-)
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y
+24 V out
+24 V out
DI 2
DI 3
DI 4
GND
GND
AO 1
+10 V out
Ext. setpoint
Sensor 1
GND
RS-485 GND Y
RS-485 A
RS-485 B
0/4-20 mA
1 K
0-20 mA
0/4-20 mA
0-10 V0-10 V
Start/stop
Terminals
53 and 54:
See section
Ì
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11
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Operation is only possible when the terminals 18 and 20 are
connected, for instance by means of an external on/off switch or
a short wire.
k ) Y Y
Required minimum connection, signal terminal
`)
X
)
X
d # & ( " # # [ " W & U ! " # é /h d ê " # " W & d Ê a
The connection of a thermistor (PTC) in a motor to the CUE
requires an external PTC relay.
The requirement is based on the fact that the thermistor in the
motor only has one layer of insulation to the windings.
The terminals in the CUE require two layers of insulation since
they are part of a PELV circuit.
A PELV circuit provides protection against electric shock.
Special connection requirements apply to this type of circuit.
The requirements are described in EN 61800-5-1.
In order to maintain PELV, all connections made to the control
terminals must be PELV. For example the thermistor must have
reinforced or double insulation.
`)
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)
]
( ( & ! ! " # ! " & U !
All signal terminals are behind the terminal cover of the CUE
front. Remove the terminal cover as shown in figs 23 and 24.
k ) Y
X
Access to signal terminals, A2 and A3
k ) Y
]
Access to signal terminals, A4, A5, B1, B2, B3, B4, C1,
C2, C3 and C4
k ) Y^
Signal terminals (all enclosures)
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^
k " " " W & ( # $ ' ( " #
1. Remove the insulation at a length of 9 to 10 mm.
2. Insert a screwdriver with a tip of maximum 0.4 x 2.5 mm into
the square hole.
3. Insert the conductor into the corresponding round hole.
Remove the screwdriver. The conductor is now fixed in the
terminal.
k ) Y `
Fitting the conductor into the signal terminal
TM03 9057 3207
TM03 9003 2807
Start/stop
GND
TM03 9004 2807
TM03 9025 2807TM03 9026 2807
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12
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^
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The contacts A53 and A54 are positioned behind the control
panel and used for setting the signal type of the two analog
inputs.
The factory setting of the inputs is voltage signal "U".
Remove the control panel to set the contact. See fig. 27.
k ) Yb
Setting contact A54 to current signal "I"
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c^ ë
a ì Z V ' ! & " \ # Ò ( # & ( " #
One or more CUE units can be connected to a control unit via
GENIbus. See the example in fig. 28.
k ) Y c
Example of an RS-485 GENIbus network
The reference potential, GND, for RS-485 (Y) communication
must be connected to terminal 61.
If more than one CUE unit is connected to a GENIbus network,
the termination contact of the last CUE must be set to "ON"
(termination of the RS-485 port).
The factory setting of the termination contact is "OFF"
(not terminated).
Remove the control panel to set the contact. See fig. 29.
k ) Y e
Setting the termination contact to "ON"
Ð ? ã M C C B I L J C L ä B H J C E F D B F E H
k )
X
g
Terminals for signal relays in normal state
(not activated)
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u { y q p | } u
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ß q u ~ { t u { y | t y o v } | | w y t o y v y u u q p r u { y
´ À Â
TM03 9104 3407TM03 9005 2807TM03 9006 2807
U I
A53
U I
A54
Bus Ter = ON
OFF ON
BUS TER
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TM03 8801 2507
h & U k ' ( " #
C 1 C 2 Common
NO 1 NO 2 Normally open contact
NC 1 NC 2 Normally closed contact
C 1
NC 1
NO 1
NC 2
NO 2
C2
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( ( & ! ! " # ! & T !
The relay outputs are positioned as shown in figs 31 to 36.
k )
X
R
Terminals for relay connection, A2 and A3
k )
X
Y
Terminals for relay connection, A4, A5, B1 and B2
k )
X X
Terminals for relay connection, C1 and C2
k )
X ]
Terminals for relay connection, B3
k )
X
^
Terminals for relay connection, B4
k )
X
`
Terminals for relay connection, C3 and C4, in the
upper right corner of the CUE
TM03 9007 2807TM03 9008 2807TM03 9009 2807
TM03 9442 4007TM03 9441 4007TM03 9440 4007
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14
Ð ? Çã M C C B I L J C L ä B Ë ã î @ @ H B C H M D J C K L M G F B
The MCB 114 is an option offering additional analog inputs for the
CUE.
`)
^
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]
The MCB 114 is equipped with three analog inputs for these
sensors:
• One additional sensor 0/4-20 mA.
See section
ï Õ Ì ð £ ¥ ¢ « ª Ü Ù Ì Ý
.
• Two Pt100/Pt1000 temperature sensors for measurement of
motor bearing temperature or an alternative temperature, such
as liquid temperature. See sections
ï Õ Õ ñ £ ò × £ ª ¤ ¡ ª £
¢ £ ¥ ¢ « ª Ù Ì Ü Ý
and
ï Õ ó ñ £ ò × £ ª ¤ ¡ ª £ ¢ £ ¥ ¢ « ª Ü Ù Ì Ü Ü Ý
.
When the MCB 114 has been installed, the CUE will automatically
detect if the sensor is Pt100 or Pt1000 when it is switched on.
`)
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]
k )
X
b
Wiring diagram, MCB 114
Terminals 10, 11 and 12 are not used.
Ð ? Ð Ñ Ë ã ô I M D D B I L J C H L E F F E L J M C
This section gives guidelines for good practice when installing the
CUE. Follow these guidelines to meet EN 61800-3, first
environment.
• Use only motor and signal cables with a braided metal screen
in applications without output filter.
• There are no special requirements to supply cables, apart
from local requirements.
• Leave the screen as close to the connecting terminals as
possible. See fig. 38.
• Avoid terminating the screen by twisting the ends. See fig. 39.
Use cable clamps or EMC screwed cable entries instead.
• Connect the screen to frame at both ends for both motor and
signal cables. See fig. 40. If the controller has no cable
clamps, connect only the screen to the CUE. See fig. 41.
• Avoid unscreened motor and signal cables in electrical
cabinets with frequency converters.
• Make the motor cable as short as possible in applications
without output filter to limit the noise level and minimise
leakage currents.
• Screws for frame connections must always be tightened
whether a cable is connected or not.
• Keep main cables, motor cables and signal cables separated
in the installation, if possible.
Other installation methods may give similar EMC results if the
above guidelines for good practice are followed.
k )
X
c
Example of stripped cable with screen
k )
X
e
Do not twist the screen ends
k )
]
g
Example of connection of a 3-conductor bus cable with
screen connected at both ends
k )
]
R
Example of connection of a 3-conductor bus cable with
screen connected at the CUE (controller with no cable
clamps)
TM04 3273 3908
h & U h T % & k ' ( " #
1 (VDO) +24 V out Supply to sensor
2 (I IN) AI 3 Sensor 2, 0/4-20 mA
3 (GND) GND Common frame for analog input
4 (TEMP)
5 (WIRE) AI 4 Temperature sensor 1, Pt100/Pt1000
6 (GND) GND Common frame for temperature sensor 1
7 (TEMP)
8 (WIRE) AI 5 Temperature sensor 2, Pt100/Pt1000
9 (GND) GND Common frame for temperature sensor 2
1 98765432 1
2
1
1
1
0
VDO
I IN
GND
TEMP
WIRE
GND
TEMP
WIRE
GND
+
-
+
TM02 1325 0901TM03 8812 2507TM03 8732 2407TM03 8731 2407
CUEController
CUEController
(QJOLVK*%
15
Ð ? õ P ö Q J F L B D H
To meet the EMC requirements, the CUE comes with the
following types of built-in radio frequency interference filter (RFI).
* Single-phase input - three-phase output.
l & ! ( % " # # [ k Z [ " & " T % & !
RFI filter types are according to EN 61800-3.
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b
)Ra É ' % U & " # [ ( " & # T d
X
• This type of power drive system (PDS) is not intended to be
used on a low-voltage public network which supplies domestic
premises.
• Radio frequency interference is expected if used on such a
network.
Ð ? ÷ ø L K L Q J F L B D H
Output filters are used for reducing the voltage stress on the
motor windings and the stress on the motor insulation system as
well as for decreasing acoustic noise from the frequency
converter-driven motor.
Two types of output filter are available as accessories for the
CUE:
• dU/dt filters
• sine-wave filters.
Ê ! & # [ # ' " % ' " [ " & !
The lengths stated apply to the motor cable.
Ð ? ù Ë M L M D I E ³ F B
k )
]
Y
Example of installation without filter
k )
] X
Example of installation with filter. The cable between
the CUE and filter must be short.
k )
] ]
Submersible pump without connection box. Frequency
converter and filter installed close to the well
k )
]
^
Submersible pump with connection box and screened
cable. Frequency converter and filter installed far away
from the well and connection box installed close to the
well
º# " & h T % ( ! W [ " % # \ & / Y k Z [ " & " T % &
1 x 200-240 V * 1.1 - 7.5 kW C1
3 x 200-240 V 0.75 - 45 kW C1
3 x 380-500 V 0.55 - 90 kW C1
3 x 525-600 V 0.75 - 7.5 kW C3
3 x 525-690 V 11 - 90 kW C3
C1: For use in domestic areas.
C3: For use in industrial areas with own low-voltage
transformer.
/' U % " T % &
h T % ( ! W [ "
% # \ & / Y
$ Ê ú $ "
[ " &
S & i \ f &
[ " &
SP, BM, BMB with
380 V motor and up
Up to 7.5 kW - 0-300 m
11 kW and up 0-150 m 150-300 m
Other pumps, noise
reduction
Up to 7.5 kW - 0-300 m
11 kW and up 0-150 m 150-300 m
Other pumps, higher
noise reduction
Up to 7.5 kW - 0-300 m
11 kW and up - 0-300 m
Pumps with 690 V
motor All 0-150 m 150-300 m
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µ t } w q w ¸
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á ½ ¾ ¾ ¿ ¼ x u { y
t u t o ~ n w y
} v u n w n v
y n v ~ o y y p y z ~ n w y x { y u { y o n p t } u | } u q w u y o q v
q p v u n w w y z t o p t u
µ { y
n q p v ~ n w y p y y z p t u y n v ~ o y y p y z ~ n w y
ß y y q r v  à x ¼ x  n p z  À
TM04 4289 1109TM04 4290 1109TM04 4291 1109TM04 4292 1109
S T U V # l & ! " #
1 CUE
2 Filter
3 Connection box
4 Standard motor
5 Submersible motor
One line Unscreened cable
Double line Screened cable
14
1 2 4
1 2 5
1 32 5
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ü1+ ý 7 = 9 3 5 8 7
The following operating modes are set on the control panel in
menu OPERATION, display 1.2. See section
ï Ü
.
a j U % & þ
Max. curve operation can for instance be used in
connection with venting the pump during installation.
a j U % & þ
Min. curve operation can for instance be used in
periods with a very small flow requirement.
ÿ 1 * 5 9 = 53 5 8 7
The control mode is set on the control panel in menu
INSTALLATION, display 3.1. See section
ï Õ
.
There are two basic control modes:
• Uncontrolled operation (open loop).
• Controlled operation (closed loop) with a sensor connected.
See sections
Õ
and
Õ Ü
.
÷ ? @
C I M C L D M F F B G M K B D E L J M C
M K B C F M M K
a j U % & þ
Operation on constant curve can for instance be used
for pumps with no sensor connected.
a j U % & þ
Typically used in connection with an overall control
system such as the MPC or another external controller.
÷ ? > ã M C L D M F F B G M K B D E L J M C
I F M H B G F M M K
% & " U # $ & l & ! ( % " #
« ª ò ¤ ©
The pump is running in the control mode
selected
ð « ×
The pump has been stopped (green indicator
light is flashing)
Ö ® ¥
The pump is running at minimum speed
Ö ¤
The pump is running at maximum speed
TM03 8813 2507
Min. and max. curves.
The pump speed is kept at a given
set value for minimum and maximum
speed, respectively.
TM03 8479 1607
Constant curve.
The speed is kept at a set value in
the range between the min. and max.
curve.
The setpoint is set in %
corresponding to the required speed.
Min.
Max.
TM03 8475 1607
TM03 8804 2507
Proportional
differential
pressure.
The differential
pressure is reduced
at falling flow rate
and increased at
rising flow rate.
TM03 8476 1607
TM03 8804 2507
Constant
differential
pressure, pump.
The differential
pressure is kept
constant,
independently of
the flow rate.
TM03 8476 1607
TM03 8806 2507
Constant
differential
pressure, system.
The differential
pressure is kept
constant,
independently of
the flow rate.
TM03 8476 1607
TM03 8805 2507
Constant pressure.
The pressure is
kept constant,
independently of
the flow rate.
TM03 8477 1607
TM03 8807 2507
Constant pressure
with stop function.
The outlet pressure
is kept constant at
high flow rate. On/
off operation at low
flow rate.
TM03 8482 1607
TM03 8808 2607
Constant level.
The liquid level is
kept constant,
independently of
the flow rate.
TM03 8482 1607
TM03 8809 2607
Constant level with
stop function.
The liquid level is
kept constant at
high flow rate.
On/off operation at
low flow rate.
TM03 8478 1607
TM03 8810 2507
Constant flow rate.
The flow rate is
kept constant,
independently of
the head.
TM03 8482 1607
TM03 8811 2507
Constant
temperature.
The liquid
temperature is kept
constant,
independently of
the flow rate.
CUE
˂p
CUE
˂p
CUE
˂p
CUE
p
CUE
p
CUE
L
CUE
L
CUE
Q
CUE
t
(QJOLVK*%
17
1 Æ 7 6 5
7 =
7
k )
]
`
Menu overview
_ & ' ! " ' ( " ' &
The CUE has a start-up guide, which is started at the first start-
up. After the start-up guide, the CUE has a menu structure
divided into four main menus:
1.
ë
aì a
gives access to the start-up guide for the general
setting of the CUE.
2.
/a h Z ì
enables the setting of setpoint, selection of
operating mode and resetting of alarms. It is also possible to
see the latest five warnings and alarms.
3.
S h h Ê S
shows the status of the CUE and the pump. It is not
possible to change or set values.
4.
Z ì S h
h Z ì
gives access to all parameters. Here a
detailed setting of the CUE can be made.
S h h i Ê /ë
Ê Z l a g)
ë
a ì a
R) /a h Z ì
0.1 1.1
1/16 0.2 1.2
2/16 0.24 1.3
3/16 8/16 1.4
4/16 9/16 1.5 - 1.9
5/16 10/16 - 14/16
6/16 15/16 1.10 - 1.14
7/16 16/16
Automatic or manual
setting of the direction
of rotation
(QJOLVK*%
18
Y) S h h Ê S
X
) Z ì S h
h Z ì
2.1 2.10 3.1 3.12
2.2 2.11 3.2 3.13
2.3 2.12 3.3 3.15
2.4 2.13 3.3A 3.16
2.5 2.14 3.4 3.17
2.6 2.15 3.5 3.18
2.7 2.16 3.6 3.19
2.8 2.17 3.7 3.20
2.9 3.8 3.21
3.9 3.22
3.10 3.23
3.11 3.24
(QJOLVK*%
19
0
1.7 9 9 4 2 3 7 5 9 7 : 5 9 = 5ý 7
@
? @ ã M C L D M F K E C B F
The control panel is used for local setting of the CUE. The
functions available depend on the pump family connected to the
CUE.
k )
]
b
Control panel of the CUE
a $ " V ' " " # !
ì f " V ' " " # !
The editing buttons of the control panel can be set to these
values:
§ ®
£
•
« ¤ § ®
£
.
When set to
« ¤ § ®
£
(locked), the editing buttons do not
function. It is only possible to navigate in the menus and read
values.
Activate or deactivate the buttons by pressing the arrow up and
arrow down buttons simultaneously for 3 seconds.
$
' ! " " W & $ ! % T ( # " ! "
Press OK and + for darker display.
Press OK and - for brighter display.
Z $ ( " # W " !
The operating condition of the pump is indicated by the indicator
lights on the front of the control panel. See fig. 47.
The table shows the function of the indicator lights.
l ! % T ! Ó & & " & U !
Figures 48 and 49 show the general terms of the display.
k )
]
c
Example of display in the start-up guide
k )
]
e
Example of display in the user menu
@
? > î E I ² L M Q E I L M D H B L L J C
Follow this procedure to get back to the factory setting:
1. Switch off the power supply to the CUE.
2. Press On/Off, OK and + while switching on the power supply.
The CUE will reset all parameters to factory settings. The display
will turn on when the reset is completed.
@
? O ã
Ñ H B L L J C H
The start-up guide includes all parameters that can be set on the
control panel of the CUE.
The document includes a special table for additional PC Tool
settings and a page where special PC Tool programming details
should be entered.
If you want to download the document, please contact your local
Grundfos company.
m n o p q p r
µ { y t p ç t } u u t p t p u { y ~ t p u o t w | n p y w z t y v p t u
z q v ~ t p p y ~ u u { y ¶ · ¸ o t
u { y | t y o v } | | w n p z
} v u u { y o y t o y p t u y } v y z n v n v n y u v q u ~ {
µ { y t p ç t } u u t p { n v u { y { q r { y v u | o q t o q u p í t í
~ t p z q u q t p x | }
| t | y o n u q t p q v p t u | t v v q w y
TM03 8719 2507
Ô ' " " # k ' ( " #
Makes the pump ready for operation/starts and
stops the pump.
Saves changed values, resets alarms and expands
the value field.
Changes values in the value field.
Ô ' " " # k ' ( " #
Navigates from one menu to another. When the
menu is changed, the display shown will always be
the top display of the new menu.
Navigates up and down in the individual menu.
On/
Of f
+
-
CUE
>
>
>
>
OK
On/
Off
On
Of f
Alarm
On/
Of f
OK
+
-
>
>
>
>
Z $ ( " #
W "
k ' ( " #
(green)
The pump is running or has been stopped by
a stop function.
If flashing, the pump has been stopped by the
user (CUE menu), external start/stop or bus.
[ [
(orange) The pump has been stopped with the on/off
button.
U
(red) Indicates an alarm or a warning.
TM04 7313 1810
Display name
Current display / total number
Value field
Display name
Display number, menu name
Value field
(QJOLVK*%
20
@
? L E D L ô K J G B
Use the start-up guide for the general setting of the CUE
including the setting of the correct direction of rotation.
The start-up guide is started the first time when the CUE is
connected to the power supply. It can be restarted in menu
GENERAL. Please note that in this case all previous settings will
be erased.
Bulleted lists show possible settings. Factory settings are shown
V # $
.
Rg)
]
)R Þ & ( # U $ ! % T
• Press OK. You will now be guided through the start-up guide.
Rg)
]
)Y
' & é RúR`ê
Select the language to be used in the display:
Rg)
]
)
X
Ê " ! é YúR`ê
Select the units to be used in the display:
ß
x m x n o
ð
Û
Û × ¢ ®
Rg)
]
)
]
/' U % [ U T é
X
úR`ê
Select pump family according to the pump nameplate:
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x ¶ è µ
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å
Select "Other" if the pump family is not on the list.
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úR`ê
Set the rated motor power, P2, according to the motor nameplate:
• 0.55 - 90 kW
The setting range is size-related, and the factory setting
corresponds to the rated power of the CUE.
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úR`ê
Select supply voltage according to the rated supply voltage of the
installation site.
* Single-phase input - three-phase output.
The setting range depends on the CUE type, and the factory
setting corresponds to the rated supply voltage of the CUE.
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Set the maximum motor current according to the motor
nameplate:
• 0-999 A
The setting range depends on the CUE type, and the factory
setting corresponds to a typical motor current at the motor power
selected.
Max. current will be limited to the value on the CUE nameplate,
even if it is set to a higher value during setup.
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úR`ê
Set the rated speed according to the pump nameplate:
• 0-9999 min-1
The factory setting depends on previous selections. Based on the
set rated speed, the CUE will automatically set the motor
frequency to 50 or 60 Hz.
1RWH
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Unit 1 x 200-240 V: *
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Unit 3 x 200-240 V:
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Unit 3 x 380-500 V:
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Unit 3 x 525-600 V:
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Unit 3 x 525-690 V:
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