Grundfos CRE-DP Installation And Operating Instructions Manual

Grundfos CRE-DP Installation And Operating Instructions Manual

Permanent magnet mle motor

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GRUNDFOS INSTRUCTIONS
CRE-DP
Permanent Magnet MLE motor
Installation and operating instructions

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Summary of Contents for Grundfos CRE-DP

  • Page 1 GRUNDFOS INSTRUCTIONS CRE-DP Permanent Magnet MLE motor Installation and operating instructions...
  • Page 2: Table Of Contents

    If these safety instructions are not observed, it Grundfos GO Remote Caution 10.1 Communication may result in malfunction or damage to the 10.2 Menu overview for Grundfos GO Remote equipment. Description of selected functions Notes or instructions that make the job easier Note Note Setpoint 11.1...
  • Page 3: Limited Warranty

    3. Abbreviations and definitions Products manufactured by GRUNDFOS PUMPS CORPORATION Analog input. (Grundfos) are warranted to the original user only to be free of Alarm, out of range at lower limit. defects in material and workmanship for a period of 24 months from date of installation, but not more than 30 months from date Analog output.
  • Page 4: General Information

    All other settings can only be made by means of the R100 or Grundfos GO Remote. Important parameters, such as actual value of control parameter, power consumption, etc. can be read via the R100 or Grundfos GO Remote. If special or customized settings are required, use Grundfos PC Tool E-products.
  • Page 5: Outdoor Installation

    The cover must be sufficiently large to ensure that the motor is unless the power supply has been switched off not exposed to direct sunlight, rain or snow. Grundfos does not for at least 5 minutes. supply covers. We therefore recommend that you have a cover Make sure that the power supply cannot be built for the specific application.
  • Page 6: Power Supply

    7.2 Power supply 7.2.2 Three-phase supply voltage • 3 x 440-480 V - 10 %/+ 10 %, 50/60 Hz, PE. 7.2.1 Single-phase supply voltage • 1 x 200-240 V - 10 %/+ 10 %, 50/60 Hz, PE. In order to avoid loose connections, ensure that Check that the supply voltage and frequency correspond to the the terminal block for L1, L2 and L3 is pressed Caution...
  • Page 7: Additional Protection

    Note Note leakage current of all the electrical equipment in • Grundfos Digital Sensor input and output the installation must be taken into account. • two Pt100/1000 inputs The leakage current of the motor can be found in section •...
  • Page 8 +24 V Supply Supply to potentiometer and +5 V sensor Ground Grundfos Digital Sensor GDS TX output GDS RX Grundfos Digital Sensor input Analog input: 0-20 mA / 4-20 mA 0.5 - 3.5 V / 0-5 V / 0-10 V...
  • Page 9: Signal Cables

    If the motor is to operate at ambient temperatures between 122 and 140 °F (50 °C and 7.6 Bus connection cable 60 °C), an oversized motor must be selected. Contact Grundfos for further information. 7.6.1 New installations For the bus connection, use a screened 3-core cable with a conductor cross-section 28-16 AWG.
  • Page 10: Installation Altitude

    • The temperature of the cooling air must not exceed 122 °F Enables radio communication with the (50 °C). Grundfos GO Remote and other products of • Keep cooling fins and fan blades clean. the same type. Makes the pump ready for operation/starts and stops the pump.
  • Page 11 , it can only be restarted by pressing Fig. 15 Pump in constant-curve control mode The pump can also be stopped with the R100, Grundfos GO Setting to max. curve: Remote or via a digital input set to "External stop".
  • Page 12: Grundfos Go Remote

    Android or iOS-based Smartphone with Bluetooth connection. 10.1 Communication When the Grundfos GO Remote communicates with the pump, the indicator light in the middle of the Grundfos Eye will flash green. See section 17. Grundfos Eye. Communication must be established using one of these communication types: •...
  • Page 13: Menu Overview For Grundfos Go Remote

    10.2 Menu overview for Grundfos GO Remote 10.2.1 Main menus Dashboard Status Resulting setpoint Actual controlled value Motor speed (rpm, %) Power consumption Energy consumption Operating hours Pt100/1000 input 1 Pt100/1000 input 2 Analog output Analog input 1 Analog input 2...
  • Page 14 Settings Section Page Setpoint 11.1 Setpoint Operating mode 11.2 Operating mode Control mode 11.4 Control mode Operating range 11.11 Operating range Pump number 11.13.1 Pump number Radio communication Analog input 1 Analog input 2 11.5 Analog inputs Analog input 3 Pt100/1000 input 1 11.6 Pt100/1000 inputs Pt100/1000 input 2...
  • Page 15: Description Of Selected Functions

    11. Description of selected functions 11.4.1 Proportional pressure The pump head is reduced at decreasing water demand and 11.1 Setpoint increased at rising water demand. See fig. 20. The setpoint for all control modes can be set in this submenu This control mode is especially suitable in systems with relatively when the desired control mode has been selected.
  • Page 16: Analog Inputs

    11.5 Analog inputs This control mode requires either a factory-fitted or external differential-pressure sensor or two external pressure sensors as Available inputs depending on the functional module fitted in the shown in the examples below: pump: Examples FM 300 Function (terminal) •...
  • Page 17: Digital Inputs/Outputs

    11.7 Digital inputs 11.8 Digital inputs/outputs Available inputs depending on the functional module fitted in the Available inputs/outputs depending on the functional module pump: fitted in the pump: FM 300 FM 300 Function (terminal) Function (terminal) (advanced) (advanced) Digital input 1, setup (2 and 6) Digital input/output 3, setup (10 and 16) ●...
  • Page 18: Relay Outputs

    11.9 Relay outputs 11.11 Operating range Set the operating range as follows: FM 300 • Set the min. speed within the range from fixed min. speed to Function (terminal) (advanced) user-set max. speed. Relay output 1 (NC, C1, NO) ● •...
  • Page 19: Communication

    Types of setpoint influence 11.12.2 Predefined setpoints Not active • Seven predefined setpoints can be set and activated by Linear function combining the input signals to digital inputs 2, 3 and 4 as shown • in the table below. Linear with Min. •...
  • Page 20: Selection Of Control Mode

    13. Selection of control mode System application Select this control mode In systems with relatively large pressure losses in the distribution pipes and in air-conditioning and cooling systems. • Two-pipe heating systems with thermostatic valves and Proportional pressure – very long distribution pipes –...
  • Page 21: Changing The Position Of The Control Panel

    4. Turn the plastic cover 180 °. 14. Changing the position of the control panel It is possible to turn the control panel 180 °. Follow the Note Note Do not twist the cable more than 90 °. instructions below. 1.
  • Page 22: Bus Signal

    Example: If, via the digital input, the motor has been set to max. speed, the motor control panel or the Grundfos GO Remote can only set the motor to "Manual" or "Stop".
  • Page 23: Grundfos Eye

    17. Grundfos Eye The operating condition of the pump is indicated by the Grundfos Eye on the control panel. See fig. 35, pos. A. Fig. 35 Grundfos Eye Grundfos Eye Indication Description Power off. No lights on. Motor not running.
  • Page 24: Signal Relays

    The signal outputs can be set to "Operation", "Pump running", "Ready", "Alarm" and "Warning". The functions of the two signal relays appear from the table below: Contact position for signal relays when activated Operating mode Description Grundfos Eye Pump Operation Ready Alarm Warning running Power off.
  • Page 25: Megging

    19. Megging 22. Inputs/outputs Ground reference (GND) Megging of an installation incorporating MGE All voltages refer to GND. Caution motors is not allowed, as the built-in electronics All currents return to GND. may be damaged. Absolute maximum voltage and current limits 20.
  • Page 26: Other Technical Data

    1. Use the public or private waste collection service. Maximum cable length: 1640 ft. (500 m). 2. If this is not possible, contact the nearest Grundfos company or service workshop. The waste battery should be disposed of through the national collective schemes.
  • Page 27 Fuses For USA When the motor is protected by fuses, they must be rated for Grundfos Holding A/S 480 V. Maximum sizes are stated in the table above. Contains FCC ID: OG3-RADIOM01-2G4. Motors up to and including 3 Hp require class K5 UR fuses.
  • Page 29 GRUNDFOS Kansas City GRUNDFOS Canada GRUNDFOS México 17100 West 118th Terrace 2941 Brighton Road Boulevard TLC No. 15 Olathe, Kansas 66061 Oakville, Ontario L6H 6C9 Canada Parque Industrial Stiva Aeropuerto Phone: (913) 227-3400 Phone: +1-905 829 9533 C.P. 66600 Apodaca, N.L. México...
  • Page 30 98864411 0615 ECM: 1153149 www.grundfos.com www.grundfos.us...

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