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GRUNDFOS INSTRUCTIONS
CUE 100
Installation and operating instructions
CUE 100
Installation and operating instructions
(all available languages)
http://net.grundfos.com/qr/i/93148292

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Summary of Contents for Grundfos CUE 100

  • Page 1 GRUNDFOS INSTRUCTIONS CUE 100 Installation and operating instructions CUE 100 Installation and operating instructions (all available languages) http://net.grundfos.com/qr/i/93148292...
  • Page 3 CUE 100 English (US) Installation and operating instructions ......4 Limited consumer warranty ........52...
  • Page 4 The symbols and hazard statements below may Constant pressure operation..33 appear in Grundfos installation and operating Introduction ....33 instructions, safety instructions and service Pressure vessel .
  • Page 5 Also operate with low supply voltages, 2.1 Product description keeping the absorbed current of the motor CUE 100 is a device for the control and protection within its nominal value to the advantage of of pumping systems based on the variation of the the efficiency and reliability of the motor itself.
  • Page 6 (check motor make phase submersible and model). motors are of this type with the exception of some manufacturers such as Grundfos, Franklin Electric, Flint & Walling. The single-phase 2-wire split-phase motor is equipped with an internal circuit which interrupts the...
  • Page 7 Motor type Description How to recognize it The PSC (Permanent Split Capacitor) 3-wire single- phase motor must use a The motor cable has 3 wires (and control box having a Ground), and it requires only one capacitor which remains Single-phase 3-wire PSC capacitor in the control box to permanently inserted during operate.
  • Page 8 During operation the output filter can reach very The manufacturer declines all high temperatures (>150 °C / 300 °F) which can responsibility for damage to the cause burns. product due to transport. Wait for the device to cool before opening the device and be extremely careful when touching 3.3 Handling the product the filter surfaces.
  • Page 9 In the case of installation inside electric cabinet, it In size 2 devices, the ground connection between is necessary to guarantee the appropriate air flow the base and the power is made by means of four for the heat dissipation of all the components. The metal pins on the power side that engage into four heat released by the device may be calculated special holes on the base with spring contacts.
  • Page 10 2. Position the device and apply the lower plate 2. Store the power head in a protected and as shown. dry place during the subsequent wiring operations, preventing it from being subjected to knocks, contact with liquids and the penetration of foreign bodies. 5.2.2 Wiring WARNING Electric shock...
  • Page 11 6.1 Grounding Use the following minimum cross-sections for ground cables: DANGER • cross-section equal to the mains power cable cross-section up 16 mm (6 AWG) Electric shock Death or serious personal injury • 16 mm (6 AWG) for mains power cable ‐...
  • Page 12 6.3 Protection devices • Type B, marked with the symbols. DANGER Electric shock Death or serious personal injury ‐ It is recommended to install the • type F, marked with the symbols capable of appropriate protection devices detecting high-frequency currents up to 1 kHz. upstream of the device, such as a circuit breaker, fuses and a residual current device (RCD).
  • Page 13 6.5 Electromagnetic Compatibility (EMC) Install the protector when the keyboard The device meets the requirements of is not used. electromagnetic compatibility according to the EN61800-3 standard. However, to ensure the electromagnetic 6.4 Connecting cables compatibility of the system in which it is installed, it is necessary: 6.4.1 Power cables •...
  • Page 14 6.6 Power connections CUE 100 20 U V W L1 L2 MOTOR LINE CUE 100 30 CUE 100 50 U V W L1 L2 V W P.E. MOTOR LINE V W P.E. Pre-insulated Stripping cable lug diagram L1/N 180 mm (7") L2/L 180 mm (7")
  • Page 15 ‐ Connecting the motor output When connecting the DC power phases to earth causes damage to supply, it is not necessary to respect the device. the polarity. 6.7 Control connections for size 2 devices Type Description Functionality Comments 4-20 mA Sensor 1 Sensor 2 4-20 mA...
  • Page 16 Type Description Functionality Comments Motor start and Programmable as stop Active low Normally Open or Switching of Normally Closed. sensors 1 and 2 Alarms reset Motor start and Programmable as stop Active low Normally Open or Switch between Normally Closed. main and auxiliary control modes STATUS relay...
  • Page 17 11. Check that the device is completely closed 8. Control functions and that live parts are not accessible. 8.1 Operating panel 7.2 Powering At the end, it shall be possible to: 1. power up the device. 2. verify the correct switching on and the absence of alarm messages.
  • Page 18 In case the smartphone is not available, it is base and the heatsink possible to program and start the device through an initial configuration in reduced form using the CUE 100 4.5 Nm - 3.3 ftlbs keyboard and the display. Size 2...
  • Page 19 Parameter Default Description Confirm upon completion of initial setup Setup Button or to confirm ended? Button to cancel and redo the initial setup Confirmation at start of motor tuning (with motor stopped) based on rated motor current. ATTENTION: to start the motor tuning, the motor must be correctly connected to the device.
  • Page 20 Once the pump is stopped, the device returns to The calibration process can take up to its original control mode. To return to the JOG 1 minute. Wait until it is completed. mode it is necessary to repeat the procedure. The calibration process must be performed in the final electrical 8.4 FOC motor control...
  • Page 21 The FOC dynamics is set by default to a value 8.5 Menu overview sufficient to guarantee accurate and oscillation- Access to the menus is password-protected at free control in most applications. two levels: In some cases, however, it may be necessary •...
  • Page 22 8.6 Control parameters Parameter Default Description 1 2 3 4 5 6 The following control modes can be selected: 1. Constant value: the device varies the speed of the pump in such a way as to keep the set value constant regardless of water consumption.
  • Page 23 Parameter Default Description 1 2 3 4 5 6 P096 MPPT: frequency gap Frequency range used in the MPPT control algorithm. df = XXX.X [Hz] Ramp time to follow after a start if the measured value is lower than the minimum alarm value. The piping filling P115 Pipe fill ramp ramp expires after the set time or if the measured value P009...
  • Page 24 Parameter Default Description 1 2 3 4 5 6 Delay during which an attempt is made to stop the pump P060 Stop delay 10 s below the minimum control frequency (P021 Frequency t = XX [s] min control). Time in which the device decreases the motor power frequency from the minimum control frequency (P021 Frequency min control) to the minimum motor frequency P085 Control ramp...
  • Page 25 Parameter Default Description 1 2 3 4 5 6 Through this parameter it is possible to activate the P055 COMBO synchronous operation of the pumps in COMBO. Read synchrony the dedicated chapter. ON/OFF However, it is necessary to lower parameter P021 Frequency min control accordingly.
  • Page 26 8.7 Motor parameters Parameter Default Description Type of motor connected, and control used: Three phase asynchronous: control for three-phase asynchronous motors. Synchronous PM: control for permanent magnet synchronous motors Single-phase 2 wire PSC: control for single-phase 2-wire PSC motors P102 Motor type Three phase Single-phase 2 wire split: control for single-phase 2-wire split XXXXXXXX...
  • Page 27 Parameter Default Description Motor start ramp from minimum frequency (P022 Min motor frequency) to maximum frequency (P039 Max motor frequency). P009 Ramp up time Slower ramps cause less strain on the motor and pump and therefore promote longer life. On the other hand, response t = XX [sec] times are longer.
  • Page 28 Parameter Default Description This parameter allows changing the V/f characteristic with which the device supplies the motor. The linear characteristic corresponds to a constant torque characteristic with varying revolutions. The quadratic characteristic corresponds to a P086 V/f linear quadratic variable torque characteristic and is generally suitable for use XXX % with centrifugal pumps.
  • Page 29 Parameter Default Description P081 Offset AN3 Zero correction for analog input 3. XX.X [%] 0-10 V : 10V x 0% = 0 V P082 Offset AN4 Zero correction for analog input 4. XX.X [%] 0-10 V : 10V x 0% = 0 V Operating logic of analog inputs AN1, AN2: •...
  • Page 30 Parameter Default Description P074 Man reset In Enabling or disabling the manual reset of the digital input. Dig 4 Delay of digital inputs 2 and 3. P079 Dig. input 2/3 Digital inputs 1 and 4 have a fixed delay of 1 second. delay By setting a value greater than 30 seconds, digital input 2 serves t = XX [s]...
  • Page 31 Parameter Default Description If the measured irradiation remains below parameter P111 Min P111 Min stop stop irradiation for more than 60 seconds, the pump will be irradiation stopped. The device will attempt to restart the pump every XX minutes based on the value specified in parameter P088 Restarts XXXX [W/m2] delay.
  • Page 32 • Cosphi:motor cosphi value When the warning W26 No water • Current: percentage of the parameter P017 appears, the device will automatically Rated motor current restart the load after a time equal to the value set in the parameter P088 •...
  • Page 33 9. Constant pressure operation 9.1 Introduction The CUE 100 can manage the running speed of the pump in such a way as to keep the pressure constant as the water demand changes. A pressure sensor placed as close as possible to...
  • Page 34 The device supports the installation of a second Pos. Description pressure sensor for: Inverter • Operating at constant differential pressure (read the dedicated chapter). Pump • Automatic replacement of the main pressure Check valve sensor in case of failure. Pressure vessel •...
  • Page 35 the number of hours of continuous operation Pos. Description after which the pumps in the unit are forced to Gate valve alternate. Gate valve 10.2.3 Electrical connections Pressure sensor MASTER: 0 SLAVE: 1 SLAVE: N 10.2 Variable speed pumping unit with COMBO COMBO COMBO...
  • Page 36 10.2.5 Programming the slave units If the master reappears in the unit, the latter will stop again for about 30 seconds, generating the A12 Address error alarm in the master and in the Menu Parameter Value slave 1. Control After the waiting time has elapsed, the master will P049 COMBO ON to activate.
  • Page 37 When the irradiation decreases, the pumps Pos. Description are progressively slowed down and stopped in Pressure vessel sequence. Gate valve 11.2.2 Electrical connections Gate valve MASTER: 0 SLAVE: 1 SLAVE: N Pressure sensor COMBO COMBO COMBO S1+ S1- S1+ S1- G S1+ S1- G 11.2 Solar pumping unit with two or more pumps in COMBO solar...
  • Page 38 11.2.4 Programming the slave units Menu Parameter Value Control parameters P049 COMBO ON to activate. Control parameters P062 Address COMBO from 01 to 07. ON to activate / OFF to deactivate. It is possible to determine which devices are included in the alternation and Control parameters P050 Alternance which are not.
  • Page 39 12.2 Spare parts Failure to follow the instructions may result in damage to the product, the The manufacturer provides spare parts for the system in which it is installed and, in device. Contact your dealer for more information. the worst cases, damage to property or It is recommended to use only original persons with even fatal consequences.
  • Page 40 14. Fault finding 14.1 Alarms Alarm Description Possible solutions • Verify that the value set for the parameter P017 Rated motor current corresponds at least to the rated current of the motor according to its rating plate data. • Check that all the motor phases are correctly connected, and that the connection is suitably...
  • Page 41 Alarm Description Possible solutions • Check that the ambient temperature is within the allowed limits. • Make sure the device is protected from direct exposure to sunlight or heat sources. • Check that both the external and internal cooling fans (if present) are working properly.
  • Page 42 Alarm Description Possible solutions • Check the value set for the The value read by the analog parameter. input is higher than the value set • Check the hydraulic causes for the parameter P061 Max A07 Max value alarm that lead to the alarm alarm value.
  • Page 43 Alarm Description Possible solutions • Check the possible solutions The current absorbed by the load for alarms A01 Overcurrent instantaneously exceeds the motor and A09 Overload maximum current protection of inverter. the device's power module. • Check for short circuits Reset mode: between the output phases A10 IGBT trip alarm...
  • Page 44 Alarm Description Possible solutions • Check the value set for the The value read by the analog parameter. input is lower than the value set • Check the hydraulic causes for the parameter P016 Min A14 Min value alarm that lead to the alarm alarm value.
  • Page 45 Alarm Description Possible solutions Absence of a power supply • Check that all three power phase. phases are present. A20 Input phase loss Reset mode: • Check the balance of the • Automatic reset if parameter power supply phases. P043 Autostart = ON The temperature measured by the PT100 or PT1000 probe has reached the value set in the...
  • Page 46 Warning Description Possible solutions In control mode MPPT, when parameter P110 full scale • Check that the parameters solarimeter is greater than 0, the P110 full scale solarimeter W05 Minimum irradiation irradiation reading has fallen and P111 min stop irradiation below the value set for parameter are set correctly.
  • Page 47 Warning Description Possible solutions In control mode P049 COMBO, • Check the status of the XX W25 Alarm slave X the master has detected an slave unit indicated by the alarm in the X slave. master. • Check that the pump is properly primed.
  • Page 48 The input and output of the power cables takes 3. remove the rubber inside the cable gland and place through the two M40 cable glands which, replace it with the concentric gasket. if required, can house 1/2" (external diameter 4. screw the ring nut of the cable gland. 21.33 mm - 0.84") or 3/4"...
  • Page 49 Minimum input voltage to supply the rated motor voltage at the output. Above 265 VAC the device continues to control the motor at reduced performance up to a maximum of 280 VAC. All models CUE 100 are made in mechanical size 2. 1. Minimum input voltage to supply the rated General electrical specifications motor voltage at the output.
  • Page 50 • This device may not cause harmful WARNING interference. Electric shock • this device must accept any interference Death or serious personal injury received, including interference that may If the device is powered by a generator cause undesired operation. set, make sure that: ‐...
  • Page 51 1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop. The crossed-out wheelie bin symbol on a product means that it must be disposed of separately from household waste.
  • Page 52 When a product is subject to this Limited Warranty a purchaser should contact the seller from which it purchased the product to make a claim. If the seller of a product is no longer in business, the purchaser should contact a Grundfos Authorized Service Partner, which can be found at www.grundfos.com/us...
  • Page 53 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/...
  • Page 54 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 55 93148292 10.2024 ECM: 1391559 www.grundfos.com...