Grundfos MMS Series Installation And Operating Instructions Manual
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Grundfos MMS Series Installation And Operating Instructions Manual

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www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10
MS, MMS
Installation and operating instructions
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http://net.grundfos.com/qr/i/96163721
GRUNDFOS INSTRUCTIONS

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  • Page 1 / service-commercial@motralec.com / 01.39.97.65.10 GRUNDFOS INSTRUCTIONS MS, MMS Installation and operating instructions Other languages http://net.grundfos.com/qr/i/96163721...

  • Page 2: Table Of Contents

    These instructions apply to Grundfos MS and MMS submersible motors for submersible pumps. These motors must not be put into service until the machine into which they are to be incorporated has been declared in conformity with the relevant directives.

  • 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

    If frost protection is required, a special 2. Remove the screw from the filling hole. Grundfos liquid must be used to refill the Caution motor. Otherwise, tap water may be used 3. Inject liquid into the motor with the filling syringe for refilling.

  • Page 5: Positional Requirements

    / service-commercial@motralec.com / 01.39.97.65.10 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...

  • Page 6: Liquid Temperatures/Cooling

    The maximum liquid temperature and the minimum flow velocity past the motor appear from the following table. Grundfos recommends installing the motor above the well screen in order to achieve proper motor cooling via liquid passing the motor. If the stated flow velocity cannot be...

  • 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 during continuous operation (including variation in the mains voltage and losses in cables).

  • Page 8: Motor Protection

    Single-phase MS 402 submersible motors converter and the motor. incorporate a thermal switch and require no Grundfos recommends installing a sinus filter when a additional motor protection. As a exception, the frequency converter is used. 1.1 kW (1.5 hp) MS 402 requires external current protection.

  • Page 9: Lightning Protection

    5.2.3 Required settings of the motor-protective 825045 825017 circuit breaker For motors with an MP 204 motor protection unit, Grundfos recommends using a special trip curve with Three-phase Single-phase P-characteristics at a setting of U times 5 for 1 second.

  • Page 10: Cable Sizing

    For correct cable sizing, length of drop cable Lx = Grundfos offers a cable sizing tool on the USB stick permissible voltage drop in % supplied with the motor. q = Cross-section of submersible drop cable.

  • Page 11: Control Of Single-Phase Ms 402

    www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 5.5 Control of single-phase MS 402 5.6.2 PSC motors PSC motors are connected to the mains via a run Warning capacitor which must be sized for continuous operation. Single-phase MS 402 submersible motors < 1.1 kW incorporate motor protection Select the correct capacitor size from the table which cuts out the motor in case of below:...
  • Page 12 11. protection. MS 4000 3-wire motors must be connected to the Cable/connection mains via a Grundfos SA-SPM 5, 7 or 8 control box Mains incorporating motor protection. Grundfos 4" and 6" motors When a conventional motor-protective circuit breaker...
  • Page 13 5.6.8 Soft starter connected as shown in fig. 13. Grundfos only recommends the use of soft starters which control the voltage on all three phases and which are provided with a bypass contact.

  • Page 14: Motor Installation

    This can be compensated by installing an LC filter or even better a sinus filter between the frequency converter and the motor. For further details, please contact your frequency converter supplier or Grundfos. 6. Motor installation Warning Before starting work on the product, switch off the power supply.

  • Page 15: Fitting Of Submersible Drop Cable And Motor Cable

    • Maximum 3 per hour. Connect the motor cable to the drop cable by use of • Maximum 40 per day. original Grundfos cable termination kits, such as shrink tube type KM or cable termination kit type M0 • Minimum 1 per year is to M4.

  • Page 16: Maintenance And Service

    Be aware that the motor liquid may also be contaminated. If you want Grundfos to service the motor, you must contact Grundfos with details about the possible contamination, etc. before you dispatch the motor. Otherwise, Grundfos may refuse to accept the motor for service.

  • Page 17: Checking Of Motor And Cable

    www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 10. Checking of motor and cable 1. Supply voltage Measure the voltage between the phases by means of a voltmeter. On single-phase When the motor is loaded, the voltage should be motors, measure between within the range specified in section General.

  • Page 18: 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. Subject to alterations.
  • Page 19 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 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 % ...
  • Page 20 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 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...
  • Page 21 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 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...
  • Page 22 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 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...
  • Page 23 GB: EU declaration of conformity BG: Декларация за съответствие на EO We, Grundfos, declare under our sole responsibility that the products Ние, фирма Grundfos, заявяваме с пълна отговорност, че MS, MMS, to which the declaration below relates, are in conformity продуктите...
  • Page 24 Standards used: EN 60034-1: 2010. (Applies only to motors with Tempcon sensors) This EC declaration of conformity is only valid when published as part of the Grundfos installation and operating instructions (publication number: 96163721 0416). Bjerringbro, 21st March 2016 Zoltán Lajtos...
  • Page 25 Выдан: Органом по сертификации продукции «ИВАНОВО-СЕРТИФИКАТ» ООО «Ивановский Фонд Сертификации». Адрес: 153032, Российская Федерация, г. Иваново, ул. Станкостроителей, д.1. Сертификат соответствия и Руководство по эксплуатации в электронном виде доступно на сайте компании www.grundfos.ru. Истра, 1 ноября 2015 г. Касаткина В. В. Руководитель отдела качества, экологии...
  • Page 26 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10...
  • Page 27 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Declaration of conformity RU...
  • Page 28 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10...

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