Grundfos ML Installation And Operating Instructions Manual
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Grundfos ML Installation And Operating Instructions Manual

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GRUNDFOS INSTRUCTIONS
ML Motors
Installation and operating instructions

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Summary of Contents for Grundfos ML

  • Page 1 GRUNDFOS INSTRUCTIONS ML Motors Installation and operating instructions...

  • Page 3: Table Of Contents

    ML Motors English (US) Installation and operating instructions ............4 Français (CA)

  • Page 4: General Information

    Balancing ....... 7 Cable entry/screwed connection ....7 The symbols and notes below may appear in Grundfos installation and operating instructions, safety instructions and service Operating conditions .

  • Page 5: Limited Warranty

    Grundfos' warranty. Grundfos will not be liable for damage or wear to products caused by abnormal operating conditions, accident, abuse, misuse, unauthorized alteration or repair, or if the product was not installed in accordance with Grundfos' printed installation and operating instructions and accepted codes of good practice.

  • Page 6: Product Introduction

    (shaft ends and flanges) with a corrosion inhibitor. Frame number If ML motors are stored, the shaft must be turned by hand Frame letter: at least once a month to prevent it from getting stuck and T: Standard flange size for frame dimension to distribute the bearing grease.

  • Page 7: Construction

    2 x M20 out cable entries. ° ML 90 (CB and FA), ML 100 and ML 112 flanges can be turned 180° Flange 213 TC - 286 TSC The motor has three plugged drain holes. ML 132-180 flanges can be turned 180°...

  • Page 8: Operating Conditions

    ML, from 1/3 to 1 1/2 hp subject to a shorter bearing life. See the section about motor ML motors, from 1/3 to 1 1/2 hp, do not have phase insulation as bearings. standard. The motors are not suitable for frequency converter...
  • Page 9 Fit a cable that meets the specifications laid down by the frequency converter supplier. 7.2.4 Speed Basically, ML motors are not suitable for oversynchronous operation. Contact Grundfos if oversynchronous operation is required. Oversynchronous operation means that the motor runs at a frequency higher than 60 Hz.

  • Page 10: Mechanical Installation

    If it is installed outdoors, protect the motor against rain, snow and sunshine. 8.4 Foundation Grundfos recommends installing motor and pump on a foundation which is heavy enough to provide permanent and rigid support. The foundation must be capable of absorbing any vibration, normal strain or shock.

  • Page 11: Electrical Installation

    Standard MG 2, must be followed. The wiring diagram is located in the terminal box cover. ML motors can be connected in star (Y), parallel star (YY), delta (D) or parallel delta (DD). See the wiring diagram in the terminal box cover.

  • Page 12: Starting Up The Product

    The direction of rotation can be changed by switching two random power conductors. Some ML motors have a properly directed fan. The direc- tion of rotation must be as stated on the motor.

  • Page 13: Service

    12. Service 12.2 Motor bearings Take care when replacing the motor bearings. Maintenance must be carried out by qualified persons. WARNING WARNING Electric shock Electric shock Death or serious personal injury Death or serious personal injury ‐ ‐ Do not remove nor move the insulation material, if any, Before starting any work on the product, switch off the present inside the motor.

  • Page 14: Fault Finding

    Motor-protective circuit breaker set- 1. Use the public or private waste collection service. ting is too low. 2. If this is not possible, contact the nearest Grundfos company or Motor-protective circuit breaker set- service workshop. ting is too low.
  • Page 15 Appendix A A.1. Appendix ML NEMA dimensions, three-phase, 2-pole, 1/3 - 3/4 hp Motor with tapped-hole flange, C-frame BFxZ ML NEMA 71 and 80 Three-phase, 2-pole, I1/3 - 3/4 hp Stator housing Shaft end IEC: Short type DIN: [hp] designation...
  • Page 16 ML NEMA dimensions, three-phase, 2-pole, 1/3 - 3/4 hp (continued) Motor with tapped-hole flange, C-frame BFxZ ML NEMA 71 and 80 Three-phase, 2-pole, 1/3 - 3/4 hp Flange Cable entry IEC: Short type DIN: [hp] designation NEMA: [mm] [mm] [mm]...
  • Page 17 ML NEMA dimensions, three-phase, 2-pole, 1 - 30 hp Motor with tapped-hole flange, C-frame ML NEMA 71 and 80 BFxZ ML NEMA 90-132 ML NEMA 160-180 Three-phase, 2-pole, 1 - 30 hp Stator housing Shaft end IEC: Short type DIN:...
  • Page 18 ML NEMA dimensions, three-phase, 2-pole, 1 - 30 hp (continued) Motor with tapped-hole flange, C-frame ML NEMA 71 and 80 BFxZ ML NEMA 90-132 ML NEMA 160-180 Three-phase, 2-pole, IE3 (Premium) range Flange Cable entry IEC: Short type DIN: [hp]...

  • Page 19: Declaration Of Conformity

    Mi, Grundfos, izjavljujemo s punom odgovornošću da su proizvodi Mi, a Grundfos vállalat, teljes felelősséggel kijelentjük, hogy a(z) MG/ML, na koja se izjava odnosi u nastavku, u skladu s dolje MG/ML termékek, amelyekre az alábbi nyilatkozat vonatkozik, navedenim direktivama Vijeća o usklađivanju zakona država megfelelnek az Európai Unió...
  • Page 20 เราในนามของบริ ษ ั ท Grundfos ขอประกาศภายใต ค วามรั บ ผิ ด ชอบของเรา 葛蘭富根據我們唯一的責任，茲聲明與以下聲明相關之 MG/ML 產 แต เ พี ย งผู  เ ดี ย วว า ผลิ ต ภั ณ ฑ MG/ML ซึ ่ ง เกี ่ ย วข อ งกั บ คำประกาศนี ้ มี ค วาม 品，符合下列近似 EU 會員國法律之議會指令。...
  • Page 21 These motors must not be put into service until the machinery into which they are to be incorporated has been declared in conformity with the relevant directives. This EU declaration of conformity is only valid when published as part of the Grundfos installation and operating instructions (publication numbers 98079951 (MG) and 99381720 (ML)) or safety instructions (publication number 98079934).

  • Page 22: Declaration Of Conformity

    Declaration of conformity GB: Moroccan declaration of conformity FR: Déclaration de conformité marocaine We, Grundfos, declare under our sole responsibility that the Nous, Grundfos, déclarons sous notre seule responsabilité que les products to which the declaration below relates, are in conformity produits auxquels se réfère cette déclaration, sont conformes aux...

  • Page 23: Declaration Of Conformity

    Declaration of conformity UK declaration of conformity We, Grundfos, declare under our sole responsibility that the products to which the declaration below relates, are in conformity with UK regulations, standards and specifications to which conformity is declared, as listed below:...

  • Page 24: Declaration Of Conformity

    Declaration of conformity GB: Ukrainian declaration of conformity We, Grundfos, declare under our sole responsibility that the products to which the declaration below relates, are in conformity with Ukrainian resolutions, standards and specifications to which conformity is declared, as listed below:...
  • Page 25 Grundfos Holding A/S Poul Due Jensens Vej 7 8850 Bjerringbro, Denmark GB: Manufacturer and person empowered to sign the Ukrainian declaration of conformity UA: Виробник та особа, уповноважена підписати українську декларацію відповідності [10000438708]...
  • Page 26 U.S.A. GRUNDFOS Water Utility Headquarters 856 Koomey Road Brookshire, Texas 77423 USA GRUNDFOS CBS Inc. 902 Koomey Road Brookshire, TX 77423 USA Phone: 281-994-2700 Toll Free: 1-800-955-5847 Fax: 1-800-945-4777 GRUNDFOS Pumps Corporation 9300 Loiret Boulevard Lenexa, Kansas 66219 USA Tel.: +1 913 227 3400...
  • Page 27 99381720 03.2022 ECM: 1331006...

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