Grundfos NBE Installation And Operating Instructions Manual
With integrated cue
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- Page 1 GRUNDFOS INSTRUCTIONS NBE, NKE, NBSE with integrated CUE Installation and operating instructions NBE, NKE, NBSE with integrated Installation and operating instructions (all available languages) http://net.grundfos.com/qr/i/93238783...
- Page 3 NBE, NKE, NBSE with integrated CUE English (US) Installation and operating instructions ............4 Limited consumer warranty .
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Page 4: Table Of Contents
Handling ....... . 6 these instructions the frequency converter part of the NBE, NKE, NBSE CUE. -
Page 5: References
Technical documentation is available on Grundfos Product Center 99929257 at www.grundfos.com. T/C: CUE203N315T5E21H2XGCXXXSXXXXAXBXCXXXXDX If you have any questions, please contact the nearest Grundfos P/N: 132H2972 S/N: 123456H123 company or service workshop. 315 kW / 450 HP... -
Page 6: Receiving The Product
3. Receiving the product WARNING Crushing of feet Death or serious personal injury ‐ Use safety shoes during transport and avoid stacking the boxes. CAUTION Heavy lifting Minor or moderate personal injury ‐ Use proper lifting equipment when handling the product. -
Page 7: Installation Requirements
The OFF button of the operating panel does not disconnect installation and operation instruction of the motor for motor CUE from the power supply and must therefore not be used as safety information, if the motor is not a Grundfos motor. a safety switch. WARNING •... -
Page 8: Mechanical Installation
4 minutes 15 minutes 20 minutes CUE and the supply system must be protected against short circuit. Grundfos requires that the backup fuses mentioned in section 0.75 - 3.7 kW 5.5 - 45 kW 200-240 V Cable cross-section to signal terminals are used for protection (1 - 5 hp) (7.5 - 60 hp) -
Page 9: Emc-Correct Installation
Related information 6.2 EMC-correct installation 11.4 Electrical data The motor cable must be screened for CUE to meet EMC 6.1.4 Motor protection requirements. The motor requires no external motor protection. CUE protects the motor against thermal overloading and blocking. This section provides guidelines for good practice when installing 6.1.5 Protection against overcurrent CUE. -
Page 10: Rfi Filters
Related information 6.7.2 Fitting MCB 114 in CUE 6.4 Mains and motor connection Check that the mains voltage and frequency correspond to the values on the nameplate of CUE and the motor. Example of connection of a 3-conductor bus cable with screen The motor cable must be screened for CUE to meet EMC connected at both ends requirements. - Page 11 6.4.3 Mains connection, enclosures A4 and A5 Torque Nm [ft-lb] Enclosure Mains Motor Protective earth Relay 1.8 (1.3) 1.8 (1.3) 3 (2.2) 0.6 (0.4) 1.8 (1.3) 1.8 (1.3) 3 (2.2) 0.6 (0.4) 1. Connect the earth conductor to terminal 95 (PE). See the figure below.
- Page 12 3. Fix the screened cable with a cable clamp. 6.4.8 Motor connection, enclosures C1 and C2 1. Connect the earth conductor to terminal 99 (PE). See the figure below. 2. Connect the motor conductors to terminals 96 (U), 97 (V) and 98 (W). 3.
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Page 13: Sto Installation, Optional
6.5 STO installation, optional Pos. Description Reset button DANGER Safety relay (category 3, PL d or SIL2) Exposure to high pressure or toxic liquids Death or serious personal injury Emergency stop button ‐ Failure to remove the jumper will disable the STO Short-circuit protected cable if the product is not installed function and the motor might not stop as intended and inside an IP54 cabinet. -
Page 14: Connecting The Signal Terminals
6.5.1 Restart behaviour after STO activation By default the STO function is set to unintended-restart prevention behaviour. To terminate STO and resume normal operation with manual reset, do the following: • Reapply 24 V DC supply to terminal 37. • Send a reset signal via bus, Digital I/O or the reset button. - Page 15 RS-485 B GENIbus, signal B (-) Default connections made in NBE, NKE, NBSE: • DI1 connected to GND. Default connections made in NBE, NKE, NBSE Series 2000: • DI1 connected to GND External setpoint, current input • A three-wire sensor is connected to terminal 12, 54 and 55.
- Page 16 6.6.2 Access to signal terminals 6.6.4 Setting the analog inputs, terminals 53 and 54 All signal terminals are behind the terminal cover of the CUE front. Contacts A53 and A54 are positioned behind the operating panel Remove the terminal cover as shown in the figure below. and used for setting the signal type of the two analog inputs.
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Page 17: Connecting The Signal Relays
6.7 Connecting the signal relays 6.7.1 Access to signal relays The relay outputs are positioned as shown in below figures. As a precaution, signal cables must be separated from other groups by reinforced insulation in their entire lengths. 03 02 Terminals for signal relays in normal state (not activated) Pos. -
Page 18: Bacnet Ms/Tp Connection
STO terminal 37 must be deactivated to start the motor. A successful commissioning test of the STO function is 6.8 BACnet MS/TP connection required after the initial installation and after each Grundfos CUE has integrated BACnet MS/TP. For detailed subsequent change to the installation. configuration, go to https://www.grundfos-eica.com or scan the QR code. -
Page 19: Control Functions
8. Control functions Pos. Buttons Description [HAND ON]: starts the frequency converter The display contrast can be adjusted by pressing [Status] in local control. and then pressing [Up] or [Down]. HAND • An external stop signal by control input or serial communication overrides the local [Hand On] function. -
Page 20: Operating Mode Description
See sections Uncontrolled operation (open loop) and Controlled operation (closed loop). Default control mode made in NBE, NKE, NBSE: • Open loop. Default control mode made in NBE, NKE, NBSE Series 2000: • Proportional differential pressure. Related information 8.4.1 Uncontrolled operation (open loop) 8.4.2 Controlled operation (closed loop) - Page 21 Related information Constant level with stop function. 8.4 Control modes The liquid level is 8.4.2 Controlled operation (closed loop) kept constant at high flow rate. Proportional On/off operation at differential low flow rate. pressure. The differential Constant flow rate. pressure is The flow rate is reduced at falling kept constant,...
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Page 22: Servicing The Product
9. Servicing the product Conduct a functional test every 12 months to detect any failure or malfunction of the STO functionality. To conduct the functional test, perform the following steps: Never stand on the CUE, motor and the pump. • Remove the 24 V DC voltage supply at terminal 37. -
Page 23: Fault Finding The Product
10. Fault finding the product 10.1 Overview of warnings and alarms Type LED indicator Warning Yellow Alarm Flashing red Trip lock Yellow and red Number Description Warning Alarm Alarm, trip lock 10 V low ● Live zero error (●) (●) No motor (●) Mains phase loss... - Page 24 Number Description Warning Alarm Alarm, trip lock Speed limit ● AMA calibration failed ● AMA check U and I ● AMA low I ● AMA motor too large ● AMA motor too small ● AMA parameter out of range ● AMA interrupted by user ●...
- Page 25 Number Description Warning Alarm Alarm, trip lock Illegal power section configuration ● ● Temperature of the rectifier heat sink ● New spare part ● New type code ● ● The flow is not confirmed ● Flow switch failure ● 2004 External fault ●...
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Page 26: Technical Data
11. Technical data 11.1 Enclosure The individual CUE cabinet sizes are characterised by their enclosures. The table shows the relationship of enclosure class and enclosure type. The enclosure can be identified on the basis of typical shaft power, voltage and IP class. Example: Read from the nameplate: •... -
Page 27: Operating Conditions
11.2 Operating conditions 11.3.4 Non-UL fuses and conductor cross-sections to mains and motor, for installations outside North America Relative humidity 5-95 % RH Maximum Typical shaft Maximum fuse Max. 50 °C Fuse type conductor Ambient temperature power P2 size (122 °F) cross-section Minimum ambient temperature -10 °C (14 °F) - Page 28 Maximum Maximum Typical shaft Maximum fuse Typical shaft Maximum fuse conductor conductor Fuse type Fuse type power P2 size power P2 size cross-section cross-section 132 (200) 2 × 70 90 (125) 160 (250) 2 × 185 3 x 525-690 V 200 (300) 2 ×...
- Page 29 Fuse type Maximum Typical shaft conductor Bussmann SIBA Littel Fuse Ferraz-Shawmut power P2 cross-section RK1/ RK1/SIBA RK1/E1958/ J/E4273 T/ T/E4274 H/ Bussmann CC/Littel Fuse RK1/E60314 E180276 RKI/ JFHR2 JDDZ JDDZ E125085 E71611 JFHR2 JFHR2 [kW (hp)] [AWG] JDDZ JFHR2 11 (15) KTN-R60 JKS-60 JJN-60...
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Page 30: Electrical Data
Fuse type Maximum Typical shaft conductor Bussmann SIBA Littel Fuse Ferraz-Shawmut power P2 cross-section RK1/ RK1/SIBA RK1/E1958/ J/E4273 T/ T/E4274 H/ Bussmann CC/Littel Fuse RK1/E60314 E180276 RKI/ JFHR2 JDDZ JDDZ E125085 E71611 JFHR2 JFHR2 [kW (hp)] [AWG] JDDZ JFHR2 15 (20) KTS-R-35 JKS-35 JJS-35... -
Page 31: Analog Inputs
MCB 114 sensor input module Voltage level, closed contact < 14 VDC Analog input 3, terminal number Maximum voltage on input 28 VDC Current range 0/4-20 mA Input resistance, R Approx. 4 kΩ Input resistance < 200 Ω All digital inputs are galvanically separated from the supply voltage Analog inputs 4 and 5, terminal number 4, 5 and 7, 8 (PELV) and other high-voltage terminals. -
Page 32: Miscellaneous Data
EN 50178 1. Use the public or private waste collection service. Low Voltage Directive (2006/95/EC) EN 61800-5-1 2. If this is not possible, contact the nearest Grundfos company or service workshop. EN ISO 13849-1, Safety of machinery IEC 62061, IEC... -
Page 33: Limited Consumer Warranty
For New Jersey there is no prohibition on returning a defective product at a purchaser’s cost. If Grundfos is required by applicable State law to pay for the cost of shipment under applicable State law, then a purchaser should contact a Grundfos Authorized Service Partner to arrange for shipment. - Page 34 Para el caso de productos que no sean de consumo, consulte los términos de la garantía de Grundfos definidos en la cláusula 10 de los términos y condiciones de venta de productos y servicios de Grundfos para los EE. UU., disponibles en https://www.grundfos.com/legal/grundfos-customer-terms/usa-grundfos-general-terms-for-sales-of-products-and-services.
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Page 35: Limited Manufacturer's Warranty
(excluding the application of any Grundfos original spare parts); • accidental or intentional damage or misuse of the Products or services by the Purchaser or a third party (not acting on Grundfos’ behalf); or •... -
Page 36: Garantie Limitée Du Fabricant
Produit (« Période de garantie »). Lors de l'achat d'un Produit Grundfos en ligne, il est important de vérifier la date de fabrication et la durée de la garantie auprès du vendeur, car le Produit pourrait ne plus être couvert par cette garantie limitée du fabricant. - Page 37 2941 Brighton Road Oakville, Ontario L6H 6C9 Tel.: +1-905 829 9533 Fax: +1-905 829 9512 Mexico Bombas GRUNDFOS de México S.A. de C.V. Boulevard TLC No. 15 Parque industrial Stiva Aeropuerto Apodaca, N.L. 66600 Tel.: +52-81-8144 4000 Fax: +52-81-8144 4010...
- Page 38 93238783 01.2025 ECM: 1404445 www.grundfos.com...
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