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

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Summary of Contents for Grundfos MS Series

  • Page 1 GRUNDFOS INSTRUCTIONS MS, MMS Installation and operating instructions Other languages http://net.grundfos.com/qr/i/98599768...
  • Page 2: Table Of Contents

    CONTENTS comply with local regulations and accepted Page codes of good practice. General information These instructions apply to Grundfos MS and MMS submersible motors for submersible pumps. Hazard statements These motors must not be put into service until the Notes...
  • Page 3: Notes

    - Use lifting equipment approved for the 2.1 Delivery weight of the product. - Wear personal protective equipment. Grundfos submersible motors are supplied from the factory in proper packing in which they should remain until they are to be installed. 2.2 Unpacking...
  • Page 4: General Description

    Death or serious personal injury - Switch off the power supply before All Grundfos 4", 6" and 8" MS and MMS motors are starting any work on the product. designed to fit pump ends manufactured according - Make sure that the power supply cannot to NEMA standards.
  • Page 5 4.1.1 Grundfos MS402 and MS4000 submersible 4.1.2 Grundfos MS6000 and MS6000P motors submersible motors The filling hole for motor liquid can be found in the • If the motor is delivered from stock, the liquid following positions: level must be checked before the motor is installed.
  • Page 6: Positional Requirements

    4.1.3 Grundfos MMS6, MMS8000, MMS10000 and 4.2 Positional requirements MMS12000 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 7: Liquid Temperatures/Cooling

    If there is a risk of sediment, such as sand, build-up Grundfos recommends that the motor be installed around the motor, a flow sleeve should be used in above the well screen in order to achieve proper order to ensure proper cooling of the motor.
  • Page 8: Electrical Connection

    Direct-on-line starting is therefore normally must be fitted close to the installation site. approved by the power supply company. The required voltage quality for Grundfos MS and MMS asynchronous submersible motors, measured If an MS motor with temperature at the motor terminals, is - 10 % / + 6 % of the...
  • Page 9: Motor Protection

    To avoid damage to the pump part, make sure that Single-phase MS4000 / MS6000 submersible motors the motor stops when the pump flow falls below 10 % are protected from overcurrent by a Grundfos starter of the rated flow. box.
  • Page 10: Cable Sizing

    Submersible motor cables are For motors with an MP 204 motor protection unit, dimensioned for submersion in the liquid, Grundfos recommends that a special trip curve with and will not necessarily have sufficient P-characteristics be used at a setting of Un times 5 cross-section to be in air.
  • Page 11: Control Of Single-Phase Ms402

    As an alternative to the cable sizing tool, select the 5.4 Control of single-phase MS402 cross-section based on the current values of the given cables. Single-phase MS402 submersible motors below 1.1 kW incorporate motor protection The cross-section of the submersible drop cable that cuts out the motor in case of must be large enough to meet the voltage quality excessive winding temperatures while the...
  • Page 12 Select the correct capacitor size from the table below: MS4000, MS6000 3-wire motors must be connected to the mains via a Grundfos SA-SPM 5, 7 or 8 control box incorporating motor protection. Motor [kW] Capacitor When a conventional motor-protective circuit breaker 12.5 μF / 400 V / 50 Hz...
  • Page 13: Connection Of Three-Phase Motors

    12. starting. 2. Start the motor and check the direction of rotation Cable/connection by watching the motor shaft. For Grundfos SP Mains pumps, the direction of rotation must be counter- Grundfos 4" and 6" motors clockwise.
  • Page 14 5.5.4 Checking the direction of rotation of the motor. W2 U2 PE U1 Fig. 15 Grundfos MS6000P 37 kW and 45 kW Fig. 13 Motors wound for star-delta starting If star-delta starting is not required, but direct-on-line starting is, the submersible motors must be connected as shown in fig.
  • Page 15 55-120 Hz. 5.6.5 Soft starter Ramp time: Maximum 3 seconds from standstill to Grundfos only recommends the use of soft starters minimum frequency and vice versa that control the voltage on all three phases and are Depending on the type, the frequency converter may provided with a bypass contact.
  • Page 16: Setting Up The Cue Frequency Converter In An Spe System

    Connect the motor cable to the drop cable by original starting any work on the product. Grundfos cable termination kits, such as shrink tube - Make sure that the power supply cannot type KM or cable termination kit type M0 to M4.
  • Page 17: Assembly Of Pump Set On Site

    - Stay clear of the wire and cable while Grundfos recommends that a maximum 30 placing the motor in the borehole. cm long facilitating pipe be fitted to the 1. Use pipe clamps when handling the motor.
  • Page 18: Maximum Installation Pressure [Mwc]

    2. Place the pump part on top of the motor. 3. Fit and cross-tighten the nuts to the torques Grundfos recommends that the borehole be checked stated below. by an inside calliper before lowering the pump so as to ensure unobstructed passage.
  • Page 19: Frequency Of Starts And Stops

    Service kits and service tools are available from • We recommend minimum 1 per Grundfos. year. MS402 • Maximum 100 per hour. The motors can also be serviced at a Grundfos service centre. • Maximum 300 per day. • We recommend minimum 1 per DANGER year.
  • Page 20: Ms6000P

    - Keep the surroundings of the considered as live until proven otherwise. dismantled rotor free of magnetic If Grundfos is requested to service a pump, Grundfos objects and be careful when placing the must be contacted with details about the pumped rotor on a magnetic surface.
  • Page 21 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 22: Checking The Motor And Cable

    11. Checking the motor and cable DANGER Electric shock Death or serious personal injury - Switch off the power supply before starting any work on the product. - Make sure that the power supply cannot be accidentally switched on. 11.1 MS6000P The following warning is only valid for MS6000P/SPE pump sets.
  • Page 23 2. Current On three-phase motors, the difference between the consumption current in the phase with the highest consumption and that with the lowest consumption must not exceed 5 %. Otherwise, or if the current exceeds the rated current, the following faults may occur: •...
  • Page 24: 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 25 Appendix U = 3 × 400 V Example: I = 40 A = 3 × 400 V U = 2 % = 40 A L = 140 m = 140 m U = 2 %  --------- - 70 m 25 mm ------- - U...
  • Page 26 U = 3 × 380 V Example: I = 10 A U = 2 % = 3 × 380 V = 10 A L = 120 m = 120 m U = 2 %  ------- - --------- - 60 m 6 mm U...
  • Page 27 U = 3 × 220 V Example: I = 5 A = 3 × 220 V U = 3 % = 5 A = 105 m L = 105 m U = 3 %  ------- - --------- - 35 m 2,5 mm U...
  • Page 28 U = 3 × 415 V Example: I = 100 A U = 3 % = 3 × 415 V = 100 A L = 150 m = 150 m U = 3 %  ------- - --------- - 50 m 50 mm U...
  • Page 30 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 31 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 32 98599768 01.2021 ECM: 1304406 www.grundfos.com...

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