Related Manuals for Grundfos CRE-DP
Summary of Contents for Grundfos CRE-DP
- Page 1 GRUNDFOS INSTRUCTIONS CRE-DP Permanent Magnet MLE motor Installation and operating instructions...
- Page 3 CRE-DP English (US) Installation and operating instructions............4...
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Page 4: Table Of Contents
1. Limited warranty Products manufactured by Grundfos Pumps Corporation CONTENTS (Grundfos) are warranted to the original user only to be free of defects in material and workmanship for a period of 24 months Page from date of installation, but not more than 30 months from date Limited warranty of manufacture. -
Page 5: General Information
Consequence of ignoring the warning. Protective earth (ground). - Action to avoid the hazard. Protective extra-low voltage. The symbols and notes below may appear in Grundfos A voltage that cannot exceed ELV under installation and operating instructions, safety instructions and PELV normal conditions and under single-fault service instructions. -
Page 6: Receiving The Product
1. Check that the product is as ordered. a wall or other fixed objects. See fig. 1. 2. Check that no visible parts have been damaged. 3. If parts are damaged or missing, contact your local Grundfos sales company. 4. Installing the product 4.1 Mechanical installation... -
Page 7: Electrical Installation
The cover must be sufficiently large to ensure that the motor is 4.2.1 Protection against electric shock, indirect contact not exposed to direct sunlight, rain or snow. Grundfos does not WARNING supply covers. We therefore recommend that you have a cover built for the specific application. - Page 8 If you want to supply the motor through an IT variant. If you are in doubt, contact Grundfos. network, make sure that you have a suitable motor variant. If you are in doubt, contact Grundfos.
- Page 9 The residual-current circuit breaker must be marked with the • two dedicated digital inputs following symbol: • two configurable digital inputs or open-collector outputs • Grundfos Digital Sensor input and output • two Pt100/1000 inputs • two LiqTec sensor inputs • two signal relay outputs The total leakage current of all the electrical equipment in the •...
- Page 10 Supply to potentiometer and +5 V connection to GND. sensor Connection terminals, CRE, CRIE, CRNE, CRKE, Ground Fig. 8 SPKE, MTRE and CME pumps Grundfos Digital Sensor GDS TX output Grundfos Digital Sensor Terminal Type Function GDS RX input Normally closed...
- Page 11 * If you use an external supply source, there must be a Supply to potentiometer and connection to GND. +5 V sensor Connection terminals, optional for CREDP pumps. Fig. 9 Ground Grundfos Digital Sensor GDS TX output Grundfos Digital Sensor GDS RX input Analog input: 0-20 mA / 4-20 mA...
- Page 12 4.2.6 Signal cables 4.2.7 Bus connection cable • Use screened cables with a cross-sectional area of minimum New installations 28 AWG and maximum 16 AWG for the external on/off switch, For the bus connection, use a screened 3-core cable with a digital inputs, setpoint and sensor signals.
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Page 13: Installing A Communication Interface Module
3. Remove the securing screw (fig. 16, A). 4.3 Installing a communication interface module DANGER Electric shock Death or serious personal injury - Switch off the power supply to the motor and to the signal relays. Wait at least 5 minutes before starting any work on the motor. -
Page 14: Changing The Position Of The Control Panel
8. Route the wires for the CIM module. See the example in fig. 4.4 Changing the position of the control panel DANGER Electric shock Death or serious personal injury - Switch off the power supply to the motor and to the signal relays. -
Page 15: Product Introduction
The pumps have been factory-set to constant-curve control mode. You can change the control mode with R100 or Grundfos 5.1.2 Pumps with factory-fitted pressure sensor The pumps have a built-in PI controller and are set for a pressure sensor enabling the control of the outlet pressure. -
Page 16: Identification
Korea have no radio module. For pumps fitted with the advanced control panel, you can identify This product can communicate with Grundfos GO and other the control panel in the "Module type" menu under "Status". products of the same type via the built-in radio module. -
Page 17: Grundfos Eye
5.4 Grundfos Eye The operating condition of the pump is indicated by the Grundfos Eye on the control panel. See fig. 29, pos. A. Fig. 29 Grundfos Eye Grundfos Eye Indication Description The power is off. No lights are on. -
Page 18: 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 The power is off. -
Page 19: User Interfaces
When you try to establish radio communication between the pump and Grundfos GO or another pump, the green indicator light in Grundfos Eye flashes. A note also appears in the pump display stating that a wireless device wants to connect to the pump. Press... -
Page 20: Setting The Product
This symbol indicates that the pump is When the Grundfos GO Remote communicates with the pump, functioning as a slave pump in a multipump the indicator light in the middle of the Grundfos Eye will flash system. green. See section . -
Page 21: Menu Overview For Grundfos Go Remote
7.2 Menu overview for Grundfos GO Remote 7.2.1 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 22 Alarms and warnings Alarm log Warning log "Reset alarm" button Assist Assisted pump setup Assisted fault advice Multi-pump setup Product information Product information...
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Page 23: Control Functions
8. Control functions Proportional pressure The pump head is reduced at decreasing water demand and 8.1 Description of selected functions increased at rising water demand. See fig. 34. 8.1.1 Setpoint This control mode is especially suitable in systems with relatively large pressure losses in the distribution pipes. - Page 24 8.1.6 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 25 8.1.8 Digital inputs 8.1.9 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 26 8.1.10 Relay outputs 100 % (110 %) Max. speed (fixed) FM 300 Function (terminal) (advanced) 67 % User-set max. speed Relay output 1 (NC, C1, NO) ● Relay output 2 (NC, C2, NO) ● Operating range The pump incorporates two signal relays for potential-free signalling.
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Page 27: Assist
Types of setpoint influence Digital inputs Not active • Setpoint Linear function • Linear with Min. • Normal setpoint These functions can be selected: Predefined setpoint 1 Not active • Predefined setpoint 2 When set to "Not active", the setpoint will not be influenced Predefined setpoint 3 from any external function. -
Page 28: Selection Of Control Mode
8.3 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 29: Changing The Position Of The Control Panel
8.4 Changing the position of the control panel It is possible to turn the control panel 180 °. Follow the instructions below. 1. Loosen the four screws (TX25) holding the terminal box cover. Fig. 46 Turning the plastic cover 5. Re-position the plastic cover correctly on the four rubber pins (pos. -
Page 30: 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 31: Servicing The Product
Service documentation is available in Grundfos Product Center consequent low cooling effect of the air. See fig. 49. (http://product-selection.grundfos.com/). If you have any questions, please contact the nearest Grundfos company or service workshop. 0.99 9.3 Cleaning the product 0.98... -
Page 32: Megging
3 x 440-480 V - 10 %/+ 10 %, 50/60 Hz, PE. holes in the drive-end flange. See Fig. 2 Examples of covers (not Check that the supply voltage and frequency correspond to the supplied by Grundfos). values stated on the nameplate. 10.1.5 Motor cooling... -
Page 33: Inputs/Outputs
Screened cable: 0.5 - 1.5 mm , 28-16 AWG. Overcurrent protection: Yes. Screened cable: 0.5 - 1.5 mm , 28-16 AWG. Grundfos Digital Sensor input and output, GDS Maximum cable length: 1640 ft (500 m). Use Grundfos Digital Sensor only. Analog inputs, AI Power supplies... -
Page 34: Other Technical Data
15 (11) C3/C1* NC, C1, C2, NO M2.5 0.4 (0.5) C1, if equipped with an external Grundfos EMC filter. 1-26 and A, Y, B 0.4 (0.5) Immunity: Fulfills the requirements for industrial areas. Contact Grundfos for further information. Enclosure class Standard: IP55 (IEC 34-5). -
Page 35: Disposing Of The Product
ISO 3743 speed 1. Use the public or private waste collection service. Motor Speed [dB(A)] stated on 2. If this is not possible, contact the nearest Grundfos company [Hp (kW)] [min nameplate 1-phase 3-phase or service workshop. [min... - Page 36 This device must accept any interference, including Fig. 2 interference that may cause undesired operation of the device. Users are cautioned that changes or modifications not expressly approved by Grundfos could void the user's authority to operate the equipment. Pour le Canada Communication radio Ce dispositif est conforme à...
- Page 37 1.4 Electrical connection 1.4.1 Conductors See section 7.2 Cable requirements, page 11. 1.4.2 Torques Maximum tightening torques for the terminals can be found in section Torques, page 65. 1.4.3 Line reactors The maximum line reactor sizes are listed below. Motor Maximum line reactor size [Hp] [mH]...
- Page 39 GRUNDFOS Kansas City GRUNDFOS Canada GRUNDFOS México 9300 Loiret Blvd. 2941 Brighton Road Boulevard TLC No. 15 Lenexa, Kansas 66219 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 40 98864411 1018 ECM: 1240291 www.grundfos.com www.grundfos.us...
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