Grundfos MS Series Installation And Operating Instructions Manual
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Grundfos MS Series Installation And Operating Instructions Manual

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  • Page 1 GRUNDFOS INSTRUCTIONS MS, MMS Installation and operating instructions Other languages http://net.grundfos.com/qr/i/98599768...

  • Page 2: Table Of Contents

    Symbols used in this document practice. Delivery and storage These instructions apply to Grundfos MS and MMS 2.1 Delivery submersible motors for submersible pumps. 2.2 Unpacking These motors must not be put into service until the 2.3 Storage and handling...

  • Page 3: Delivery And Storage

    All Grundfos 4", 6" and 8" MS and MMS motors are designed to fit pump ends manufactured according 2.2 Unpacking to NEMA standards.

  • Page 4: Preparation

    (fig. 4) until the liquid runs back out of the filling If frost protection is required, a special hole. Grundfos liquid must be used to refill the Caution motor. Otherwise, tap water may be used 4. Replace the screw in the filling hole and tighten for refilling.

  • Page 5: Positional Requirements

    4.1.3 Grundfos MMS6, MMS 8000, MMS 10000 and 4.2 Positional requirements MMS 12000 submersible motors The motor can be installed either vertically or Filling procedure: horizontally. Place the motor at a 45 ° angle with the top of the 4.2.1 Motors suitable for horizontal installation motor upwards.

  • Page 6: Liquid Temperatures/Cooling

    Grundfos recommends installing the motor above the If there is a risk of sediment build-up, such as sand, well screen in order to achieve proper motor cooling around the motor, a flow sleeve should be used in via liquid passing the motor.

  • Page 7: Electrical Connection

    φ appear from the separate nameplate that must be fitted close to the installation site. The required voltage quality for Grundfos MS and MMS submersible motors, measured at the motor terminals, is - 10 %/+ 6 % of the nominal voltage...

  • Page 8: Motor Protection

    Motors with a built-in and operational temperature transmitter must be protected by: Grundfos recommends installing a sinus filter when a frequency converter is used. • a motor-protective circuit breaker with thermal...

  • Page 9: Lightning Protection

    For motors with an MP 204 motor protection unit, Connect the overvoltage protection device to the Grundfos recommends using a special trip curve with installation as close as possible to the motor and P-characteristics at a setting of Un times 5 for 1 always in accordance with local regulations.

  • Page 10: Control Of Single-Phase Ms 402

    The voltage drop can be calculated both for direct- 5.5 Control of single-phase MS 402 on-line and star-delta starting. Warning In order to minimise operating losses, the cable cross-section may be increased. This is only cost- Single-phase MS 402 submersible motors efficient if the borehole provides the necessary less than 1.1 kW incorporate motor space, and if the operating time of the pump is long.
  • Page 11 PSC motors are connected to the mains via a run MS 402 3-wire motors incorporate motor protection capacitor which must be sized for continuous and must be connected to the mains via a Grundfos operation. SA-SPM 5, 7 or 8 control box without motor protection.

  • Page 12: Connection Of Three-Phase Motors

    Connection Grundfos 6" motors 2. Start the motor and check the direction of rotation Yellow and green by watching the motor shaft. For Grundfos SP pumps, the direction of rotation must be counter- Brown clockwise. Black 3. Compare the result from item 1 with the demand Grey of the pump.

  • Page 13: Motor Installation

    5.6.4 Checking the direction of rotation. borehole. See fig. 17. 5.7.4 Soft starter Grundfos only recommends the use of soft starters which control the voltage on all three phases and which are provided with a bypass contact. Ramp times: Maximum 3 seconds.

  • Page 14: Fitting Of Submersible Drop Cable And Motor Cable

    MMS 10000: 18 Nm MMS 12000: 15 Nm. Connect the motor cable to the drop cable by use of original Grundfos cable termination kits, such as shrink tube type KM or cable termination kit type M0 to M4. If necessary, shorten the motor cable to ensure that it is always covered with pump medium prior to making the cable jointing as described above.

  • Page 15: Frequency Of Starts And Stops

    • Maximum 30 per hour. • Maximum 300 per day. If you want Grundfos to service the motor, you must contact Grundfos with details about the possible • We recommend minimum 1 per contamination, etc. before you dispatch the motor.

  • Page 16: Fault Finding

    9. Fault finding Fault Cause Remedy The motor does The fuses are blown. Replace the blown fuses. If the new ones not run. blow too, check the electrical installation and the submersible drop cable. The ELCB or the voltage- Cut in the circuit breaker. operated ELCB has tripped.
  • Page 17 2. Current On three-phase motors, the difference between the consumption current in the phase with the highest consumption and the current in the phase with the lowest consumption must not exceed 5 %. If so, or if the current exceeds the rated current, the following faults are possible: •...

  • Page 18: Disposal

    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 19 Appendix U = 3 x 400 V Example: I = 40 A = 3 x 400 V U = 2 % = 40 A L = 140 m = 140 m U = 2 %  --------- - 70 m 25 mm ------- - U...
  • Page 20 U = 3 x 380 V Example: I = 10 A U = 2 % = 3 x 380 V = 10 A L = 120 m = 120 m U = 2 %  ------- - --------- - 60 m 6 mm U...
  • Page 21 U = 3 x 220 V Example: I = 5 A = 3 x 220 V U = 3 % = 5 A = 105 m L = 105 m U = 3 %  ------- - --------- - 35 m 2,5 mm U...
  • Page 22 U = 3 x 415 V Example: I = 100 A U = 3 % = 3 x 415 V = 100 A L = 150 m = 150 m U = 3 %  ------- - --------- - 50 m 50 mm U...
  • Page 24 Argentina China Hong Kong Bombas GRUNDFOS de Argentina S.A. GRUNDFOS Pumps (Shanghai) Co. Ltd. GRUNDFOS Pumps (Hong Kong) Ltd. Ruta Panamericana km. 37.500 Centro 10F The Hub, No. 33 Suhong Road Unit 1, Ground floor Industrial Garin Minhang District Siu Wai Industrial Centre 1619 Garín Pcia.
  • Page 25 Malaysia Serbia Turkey GRUNDFOS Pumps Sdn. Bhd. Grundfos Srbija d.o.o. GRUNDFOS POMPA San. ve Tic. Ltd. 7 Jalan Peguam U1/25 Omladinskih brigada 90b Sti. Glenmarie Industrial Park 11070 Novi Beograd Gebze Organize Sanayi Bölgesi 40150 Shah Alam Phone: +381 11 2258 740...
  • Page 26 98599768 0519 ECM: 1261497 www.grundfos.com...

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Mms seriesMms 8000MsMms6Mms 10000Mms 12000 ... Show all

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