Grundfos MMG-W IE3 Instructions Manual Download | Manualshive

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MMG-W IE3

Low voltage 3-phase induction motor

Installation and operating instructions

GRUNDFOS

INSTRUCTIONS

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Summary of Contents for MMG-W IE3

Page 1: ...MMG W IE3 Low voltage 3 phase induction motor Installation and operating instructions GRUNDFOS INSTRUCTIONS ...

Page 2: ......

Page 3: ...MMG W IE3 English GB Installation and operating instructions 4 3 Table of contents ...

Page 4: ...below may appear in Grundfos installation and operating instructions safety instructions and service instructions DANGER Indicates a hazardous situation which if not avoided will result in death or serious personal injury WARNING Indicates a hazardous situation which if not avoided could result in death or serious personal injury CAUTION Indicates a hazardous situation which if not avoided could r...

Page 5: ...or make sure that all shaft keys are fitted securely WARNING High noise level Death or serious personal injury In environments with high noise levels ear protection must be worn For more information about noise lev els contact your local Grundfos company or refer to the relevant product specification of Grundfos In order to prevent the motor from overloading we recom mend installing a winding temp...

Page 6: ... the motor and the driven machine must be adjusted The surface of the shims must be bigger than that of the motor feet A maximum of two shims are allowed The installation location must be spacious enough for daily operation and maintenance Motors can be connected by couplings When couplings are used the centre lines of coupled shafts must coincide When couplings are used there must be enough clear...

Page 7: ...hese problems must be solved before running the motor with load 6 2 Running with load After the no load test running with load can be carried out Start the motor with load If the motor does not start immediately or run smoothly switch off the power supply and check the installation and the wiring Coupling misalignment loose fixing bolts insufficient rigidity of the foundation or vibration transfer...

Page 8: ... motor performance If yes discharge it Check the bearings and replace them immediately if worn Check the paint on the motor If needed repaint the motor to prevent excessive corrosion 7 1 4 Motor maintenance Motors must be maintained periodically and faults must be eliminated immediately In general a minor maintenance per month and a major maintenance per year is needed 7 1 4 1 Minor maintenance Cl...

Page 9: ...rotating parts and live parts must be protected against accidental contact 8 Storage The motor must be stored in a clean dry and corro sion free environment The storage location must not be subject to drastic changes in the surrounding environment The storage period must not be too long The motors must not be stacked too high to avoid damage to the motors If the motor is stored in a humid environm...

Page 10: ...s any debris on the inner surface of the stator 9 5 Abnormal vibration Cause Remedy Motor or load assembly loose Check and tighten the foot bolt Coupling or belt pulley eccentric or out of balance Calibrate eccentricity or rebalance Shaft extension bent after impact Replace the stator or shaft Rotor out of balance Rebalance the rotor 9 6 Bearing overheat Cause Remedy Bearing damaged Replace the be...

Page 11: ...nments For more information see IEC 60034 1 Outdoor anticorrosion motors are suitable for operating outdoors or in corrosive and high humidity environments Adequate ventilation of the motor must be ensured under all working conditions If there are other ventilators make sure that they do not affect the effective ventilation of the motor If motor ventilation is affected the air volume of the ventil...

Page 12: ...oor Aju Building 679 5 Yeoksam dong Kangnam ku 135 916 Seoul Korea Tel 82 2 5317 600 Fax 82 2 5633 725 Latvia SIA GRUNDFOS Pumps Latvia Deglava biznesa centrs Augusta Deglava ielā 60 LV 1035 Rīga Tel 371 714 9640 7 149 641 Fax 371 914 9646 Lithuania GRUNDFOS Pumps UAB Smolensko g 6 LT 03201 Vilnius Tel 370 52 395 430 Fax 370 52 395 431 Malaysia GRUNDFOS Pumps Sdn Bhd 7 Jalan Peguam U1 25 Glenmarie...

Page 13: ...1346622 www grundfos com Trademarks displayed in this material including but not limited to Grundfos and the Grundfos logo are registered trademarks owned by The Grundfos Group 2022 Grundfos Holding A S all rights reserved ...

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