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CUE E-SOLUTIONS
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GRUNDFOS CUE E-solutions with Grundfos CUE The versatile, wall-mounted frequency converter with E-pump functionality

THE WALL-MOUNTED E-SOLUTION Easy. Flexible. Ultimate control. Taking E-solutions even further are fairly obvious. Speed control in variable-demand appli- Grundfos CUE is the latest addition to our E-solution cations saves an enormous amount of energy and money, programme of speed-controlled pump systems for indus- and increases everyday comfort and convenience for both try, building services, municipal water supply, municipal installers and end users. With a CUE solution everything is wastewater, and irrigation applications. This new com- under automatic control. This means that you are in...

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THE POWER OF BEING IN CONTROL Simple. Easy. Great control. Performance, reliability, and convenience are unmatched ables. You get the familiar Grundfos R100 user interface, in the CUE series. It offers plug-and-pump installation and so it is a simple and easy task which can be done in just operation coupled with extensive control and monitor- a few minutes. CUE also offers extensive possibilities of ing possibilities. All the well-known E-pump functionality, monitoring of pump, motor, frequency converter, and sur- including the unique user interface, has been transferred to roundings, as...

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CUE in reverse osmosis application GREAT VALUE FOR MONEY Everybody in the value chain has something to gain from a CUE E-solution. If you are: The wholesaler/dealer Your business can derive extensive benefits from systems sales. Rather than selling individual parts, you can now offer a complete speed-controlled pump solution from one supplier. The installer You will experience the comfort and convenience of a plug-andpump concept compared to a standard frequency converter. Also, ordering everything you need from the same supplier makes selection, order handling, and installation...

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GRUNDFOS CUE Comprehensive range. Superior features. With over 100 different configuration possibilities, covering a power range from 0.55 kW to 250 kW, CUE represents one of the most comprehensive and versatile ranges of frequency converters for pump applications currently on the market. The CUE range is available with 5 different power supplies, 2 enclosure classes IP20/21 (Nema 1) / IP55 (Nema 12), and no less than 24 different output powers. So whatever you need, there is a suitable CUE solution for the job at hand. What’s more, CUE is packed with splendid features that provide maximum...

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Constant – whatever you want well as at high-flow demands. The differential pressure is When we say constant, we mean constant! CUE has a automatically raised with increased flow. built-in PI controller that provides closed-loop control of Stop function whatever value you want to control: In most water supply applications the required flow can be Constant pressure with or without stop function very low, sometimes even equal to zero. In those situa- With stop function: The head is kept constant at high flow. tions on/off operation of the pump according to demand is On/off operation at low...

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smart user interface CUE offers quick and easy set-up and commissioning compared to a standard frequency converter, because it only requires very few settings at start-up. Simply key in application-specific variables such as motor data, pump family, control function (e.g. constant pressure), sensor type, and setpoint, and CUE will automatically set all necessary parameters; i.e. ramp times, min. speed, controller constants, available functions, and so on. After completing the start-up guide, CUE’s menu structure is equivalent to the R100 menu structure used in connection with Grundfos...

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THE COMPREHENSIVE CUE RANGE When opting for a CUE solution you get the choice of the · 3-phase, 3x525-600 V, 50/60 Hz (0.75– 7.5 kW), C3 following versions of CUE; all available in two enclosure · 3-phase, 3x525-690 V, 50/60 Hz (11 - 250 kW), C3 classes IP20/21 (Nema1) or IP55 (Nema12): C1: units with built-in EMC filter for normal household · 1-phase, 1x200-240 V, 50/60 Hz (1.1-7.5 kW), C1 applications. C2: units with built-in EMC filters for indus- · 3-phase, 3x200-240 V, 50/60 Hz (0.75 - 45 kW), C1 trial applications. C3: units without EMC filter (only applica- · -phase, 3x380-500 V,...

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INPUT/OUTPUT POSSIBILITIES Four digital inputs Two digital relay outputs One dedicated input for external start/stop. Can be set to report different operation modes such as running, warning, alarm, etc. Remaining inputs can be set to: RS485 GENIbus interface · Min. (min. curve) CUE is equipped with a standard RS485 interface that can · Max. (max. curve) communicate with Grundfos control systems, and via a · Ext. fault (external fault) Grundfos gateway be connected to other bus systems such · Flow switch as LONWorks, Profibus, Modbus, etc. · Alarm reset · Dry running (from external sensor) ·...

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ACCESSORIES Add-on card Sensors Analogue IO module offering: The following sensors can be used in connection with Two inputs for Pt100/1000 temperature sensors (the CUE. All sensors are with 4-20 mA output signal. card will automatically detect if the sensor is a Pt100 or a Pt1000 sensor). One analogue 0/4-20 mA input for an · Pressure sensors - up to 25 bar additional sensor. · Temperature sensors · Differential pressure sensors Motor filters · Differential temperature sensors All CUE frequency converters deliver a non-sinusoidal · Flow meters voltage to the motor. In some cases it is...

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Grundfos Management A/S Poul Due Jensens Vej 7 DK-8850 Bjerringbro Tel: +45 87 50 14 00 www.grundfos.com 96 76 38 68 02 08 \ 8004 \ Being responsible is our foundation Thinking ahead makes it possible Innovation is the essence

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