Grundfos MGE 71 Installation And Operating Instructions Manual
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Grundfos MGE 71 Installation And Operating Instructions Manual

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GRUNDFOS INSTRUCTIONS
MGE 71, MGE 80, MGE 90
Installation and operating instructions

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Summary of Contents for Grundfos MGE 71

  • Page 1 GRUNDFOS INSTRUCTIONS MGE 71, MGE 80, MGE 90 Installation and operating instructions...
  • Page 2 We, Grundfos, declare under our sole responsibility that the products 我们格兰富在我们的全权责任下声明，产品 MGE 71, MGE 80 和 MGE 71, MGE 80 and MGE 90, to which this declaration relates, are in MGE 90。即该合格证所指之产品，符合欧共体使其成员国法律趋于一致的 conformity with these Council directives on the approximation of the laws 以下欧共理事会指令：...

  • Page 3: Table Of Contents

    Earth leakage circuit breaker. R100 remote control Grundfos GO Remote Functional module. External setpoint signal Grundfos Digital Sensor. Closed-loop operation (controlled) Factory-fitted sensor in some Grundfos Open-loop operation (uncontrolled) pumps. Bus signal GENIbus Proprietary Grundfos fieldbus standard. Priority of settings GFCI Ground fault circuit interrupter.

  • Page 4: General Description

    6.5 Functional modules information. As an accessory option, the motors can be fitted with a Grundfos CIM module. A CIM module is an add-on communication interface module. The CIM module enables data transmission between the motor and an external system, for example a BMS or SCADA system.

  • Page 5: Identification

    Wgt : DK - 8850 Bjerringbro, Denmark Nameplate, MGE motors Fig. 2 Pos. Description Pos. Description Type designation Grundfos company address Product number Country of manufacture Drive-end bearing Human Machine Interface type Version number CIM module type Environmental type Motor efficiency...

  • Page 6: Type Key

    The motor has four M20 screwed cable entries fitted with blind Observe local regulations setting limits for plugs from factory. Various cable glands can be ordered from manual lifting or handling. Grundfos as accessory kits. Warning Before lifting the motor, pay attention to the motor weight stated on the nameplate.

  • Page 7: Ensuring Motor Cooling

    (PE) or yellow/green/blue (PEN) colour marking. The cover must be sufficiently large to ensure that the motor is not exposed to direct sunlight, rain or snow. Grundfos does not 6.1.1 Protection against mains voltage transients supply covers. We therefore recommend that you have a cover The motor is protected against mains voltage transients in built for the specific application.

  • Page 8: Mains Supply

    15.1 Supply voltage. be so long that it is the last one to be disconnected in case the cable is inadvertently pulled out of the cable entry. MGE 71 and MGE 80 For maximum backup fuse, see section 16.1 Supply voltage.

  • Page 9: Additional Protection 9 Ai

    6.4 Additional protection Protection against phase unbalance The motor must be connected to a power supply with a quality 6.4.1 Single-phase motors corresponding to IEC 60146-1-1, class C, to ensure correct motor If the motor is connected to an electric installation where an earth operation at phase unbalance.
  • Page 10 • two analog inputs • two digital inputs or one digital input and one open-collector output • Grundfos Digital Sensor input and output • two signal relay outputs • GENIbus connection. See fig. 11. Digital input 1 is factory-set to be start/stop input where open circuit will result in stop.
  • Page 11 * If an external supply source is used, there must be a output connection to GND. GDS RX Grundfos Digital Sensor input Fig. 11 Connection terminals, FM 200 Analog input: 0-20 mA / 4-20 mA 0.5 - 3.5 V / 0-5 V / 0-10 V...
  • Page 12 • one analog output • two dedicated digital inputs • two configurable digital inputs or open-collector outputs • Grundfos Digital Sensor input and output • two Pt100/1000 inputs • LiqTec sensor inputs • two signal relay outputs •...
  • Page 13 +24 V Supply +24 V Supply Supply to potentiometer +5 V and sensor Ground Grundfos Digital Sensor GDS TX output Grundfos Digital Sensor GDS RX input Analog input: 0-20 mA / 4-20 mA 0.5 - 3.5 V / 0-5 V / 0-10 V...

  • Page 14: Signal Cables

    The wires in the motor terminal box must be as short as expected product life. If the motor is to operate at ambient possible. temperatures between 50 and 60 °C, an oversized motor must be selected. Contact Grundfos for further information. 6.8 Bus connection cable 7.3 Installation altitude 6.8.1 New installations...

  • Page 15: User Interfaces

    Grundfos GO Remote and other MGE motors of the same type. 8.1.1 Settings All settings are to be made with the Grundfos R100 or Grundfos GO Remote. 8.1.2 Resetting of alarms and warnings A fault indication can be reset in one of the following ways: •...
  • Page 16 If the motor has been stopped by pressing , it can only be restarted by pressing The motor can also be stopped with the R100, Grundfos GO Remote or via a digital input set to "External stop". See section Fig. 20 Motor in uncontrolled-operation mode 11.

  • Page 17: Changing The Position Of The Control Panel

    4. Turn the plastic cover 180 °. 8.3 Changing the position of the control panel It is possible to turn the control panel 180 °. Follow the Note Do not twist the cable more than 90 °. instructions below. 1. Loosen the four screws (TX25) holding the terminal box cover. Fig.

  • Page 18: R100 Remote Control 18 Elcb

    8.4 R100 remote control panel. When the R100 communicates with the motor, the The motor is designed for wireless communication with the indicator light in the middle of the Grundfos Eye will flash green. Grundfos R100 remote control. See page 30.
  • Page 19 8.4.2 OPERATION menu Operating mode When communication between the R100 and the motor has been established, the first display in this menu will appear. Setpoint Select one of the following operating modes: • Stop • Min. (min. speed) • Normal (duty) Set the desired setpoint in this display.
  • Page 20 Warning 8.4.3 STATUS menu The displays appearing in this menu are status displays only. It is not possible to change or set values. The displayed values are the values that applied when the last communication between the motor and the R100 took place. If a status value is to be updated, point the R100 at the control panel and press [OK].
  • Page 21 Analog input 1, 2 and 3 Speed Tolerance: ± 5 %. This display shows the actual speed. Power input and power consumption Tolerance: ± 10 % • "Power input" indicates the actual power consumption. • "Power consumption" indicates an accumulated value which cannot be reset.
  • Page 22 8.4.4 INSTALLATION menu Signal relay 1 and 2 Control mode Select one of the following control modes: • Closed loop • Open loop. If the motor is connected to a bus (see section Note 10. Bus signal), it is not possible to select the control mode via the R100.
  • Page 23 The priority of the selected functions in relation to each other Radio communication appears from section 11. Priority of settings. A stop command will always have the highest priority. The number of available displays depends on the functional module fitted in the motor. See below. Function (terminal) FM 100 FM 200...
  • Page 24 Digital input/output 3 and 4, Function Analog input 1, 2 and 3, Function The digital input/output 3 and 4 can be set to these functions: Possible functions, digital input/output 3 Set to digital input Set to digital output • Not active •...
  • Page 25 Analog input 1, 2 and 3, Measured parameter Analog input 1, 2 and 3 The analog inputs can be set to these measured parameters: Select the following: • Inlet pressure • Signal type (0.5 - 3.5 V, 0-5 V, 0-10 V, 0-20 mA or 4-20 mA). The FM 100 analog input only supports voltage signals.
  • Page 26 Pt100/1000 input 1 and 2, Function Operating range Set the operating range as follows: • Set the min. speed within the range from fixed min. speed to user-set max. speed. • Set the max. speed within the range from user-set min. speed to fixed max.
  • Page 27 Direction of rotation Motor bearings Select the desired direction of rotation of the motor when seen This function can be set to these values: from the drive end: • Replaced • Clockwise • Nothing done. • Anti-clockwise. When the bearing monitoring function is active, the controller will The displayed direction of rotation will apply when the digital input give a warning indication when the motor bearings are due to be for reversing is not active.

  • Page 28: Grundfos Go Remote 28 Fm

    8.5.1 Communication Product name communicating with the Grundfos When the Grundfos GO Remote communicates with the motor, GO Remote. the indicator light in the middle of the Grundfos Eye will flash green. See section Alarms and 12. Grundfos Eye. Shows alarms and warnings.

  • Page 29: External Setpoint Signal

    The actual external signal (0.5 - 3.5 V, 0-5 V, 0-10 V, 0-20 mA, management system or another external control system. 4-20 mA) must be selected with the R100 or Grundfos GO Remote. Via a bus signal, it is possible to remote-set motor operating parameters, such as setpoint and operating mode.

  • Page 30: Grundfos Eye 30 Gnd

    12. Grundfos Eye The operating condition of the motor is indicated by the Grundfos Eye on the motor control panel. See fig. 35, pos. A. Fig. 35 Grundfos Eye Grundfos Eye Indication Description Power off. No lights on. Motor not running.

  • Page 31: Signal Relays

    The signal outputs can be set to "Operation", "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 Description Grundfos Eye mode Operation Running Ready...

  • Page 32: Megging

    14. Megging 17. 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 15.

  • Page 33: Other Technical Data

    Use Grundfos LiqTec sensor only. 1-phase 3-phase [min Screened cable: 0.5 - 1.5 mm / 28-16 AWG. motors motors Grundfos Digital Sensor input and output (GDS) 1500 2000 Use Grundfos Digital Sensor only. 2000 Power supplies (+5 V, +24 V) 3000 0.25 to...

  • Page 34: Disposal

    This product or parts of it must be disposed of in an environmentally sound way: 1. Use the public or private waste collection service. 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 35 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 2.2 kW require class K5 UR fuses.
  • Page 37 GRUNDFOS Hellas A.E.B.E. Минске Turkey 20th km. Athinon-Markopoulou Av. 220125, Минск New Zealand GRUNDFOS POMPA San. ve Tic. Ltd. Sti. P.O. Box 71 ул. Шафарнянская, 11, оф. 56 GRUNDFOS Pumps NZ Ltd. Gebze Organize Sanayi Bölgesi GR-19002 Peania Тел.: +7 (375 17) 286 39 72, 286 39 73...
  • Page 38 98418360 0813 ECM: 1119838 www.grundfos.com...

This manual is also suitable for:

Mge 90Mge 80

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