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Summary of Contents for Grundfos MMG-H IE4
- Page 1 GRUNDFOS INSTRUCTIONS MMG-H IE4 50 Hz Installation and operating instructions...
- Page 3 MMG-H IE4 English (GB) Installation and operating instructions ........4...
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Page 4: Table Of Contents
Receiving the product... . 7 The symbols and hazard statements below may appear in Grundfos installation and operating Mechanical installation ... 8 instructions, safety instructions and service Lifting the product . -
Page 5: Product Introduction
This manual applies to all the standard series of A red or grey circle with a diagonal bar, MMG-H and various series of motors derived from it. possibly with a black graphical symbol, Frame size: 56-355. (For some special designed indicates that an action must not be taken types of motors or those for special applications, it or must be stopped. - Page 6 Internationa Title CENELEC CEI-EN DIN/VDE Terminal markings and direction of IEC 60034-8 EN 60034-8 CEI 2-8 BS 4999-3 NFC 51-118 VDE 0530-8 rotation for electrical machines CEI-EN Noise emission, limit IEC 60034-9 EN 60034-9 50034-9 (CEI BS 4999-51 NFC 51-119 VDE 0530-9 values 2-24)
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Page 7: General Safety Warnings
Grundfos knowledge of general safety regulations as within three days. well as national, local and installation... -
Page 8: Mechanical Installation
5. Mechanical installation Excessive tension of the belts causes harmful radial loads on the motor shaft and bearings, reducing their Work on the electric machine must be life. carried out when the machine has stopped and been disconnected from the power Excessive tension of the belts causes supply (including auxiliary parts, such as harmful radial loads on the motor shaft and... -
Page 9: Fixing To The Base
Do not apply a tension over 6 V during the thermistor continuity test. Anticondensation If the motor is fitted with anticondensation heaters, their power supply must be separated from that of the motor, using the terminals housed in the terminal box. The supply of the heater is always mono- phase and the voltage is different from that of the motor. -
Page 10: Electrical Connection
6. Electrical connection Number of poles: 2/6, 2/8, 4/6, 6/8, etc. Synchronous speed at 50 Hz: 3000/1000, 3000/750, 1500/1000, 1000/750, etc. 6.1 Wiring diagrams Dahlander system for two-speed motors, constant Connection for single-speed motors torque Y-connection High speed D-connection Low speed Number of poles: 2, 4, 6, 8. -
Page 11: Startup
7. Startup Number of poles: 2/4, 4/8. Synchronous speed at 50 Hz: 3000/1500, 1500/750. It is the responsibility of the installer to determine Connection for single-phase and special motors whether the motor is suitable to be used in a certain plant, after analysing the characteristics of danger For single-phase motors and motors with special existing in the installation area with respect to current... -
Page 12: Starting
• Load type: carefully evaluate the high moments of If you intend to start the motor by means of static inertia and the relative starting time of the motor. starters, rheostats or the star-delta system, they must be chosen and set properly to avoid incorrect •... -
Page 13: Service
8. Service 8.1.7 Thermal protection Make sure that thermal protections have not cut out Any operation on the motor must be carried out with and have been set properly. the machine stopped and disconnected from the power supply (including auxiliary circuits, especially 8.1.8 Unauthorised modifications the anticondensation heaters). -
Page 14: Dismantling And Reassembling
Lubrication intervals in hours for unshielded bearings Ball bearings Lubrication intervals in duty hours Amount of Frame size grease 3600 rpm 3000 rpm 1800 rpm 1500 rpm 1200 rpm 1000 rpm 500-900 rpm 112, 132 4200 4800 7000 7800 8500 10000 10500 160, 180... -
Page 15: Repairs And Overhauls
In this case, it is necessary to specify these authorised service workshop. For further information, particular storage conditions during the ordering contact your local Grundfos sales company. stage so that proper precautions can be taken during building and packaging. -
Page 16: Fault Finding The Product
10. Fault finding the product 10.1 The motor does not start Cause Remedy Fuses damaged due to start overloading • Replace the fuses with similar ones of the correct size. Opening of the overload switch • Check and reset the switches. Insufficient power available •... -
Page 17: Incorrect Rotation
Cause Remedy Cooling fins and/or fan cover blocked by dirt • Clean the ventilation slots to ensure a continuous flow of air over the motor. One phase on the motor is down • Check that all the cables are connected tightly and correctly. -
Page 18: Irregular Noise
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 Argentina China Greece Bombas GRUNDFOS de Argentina S.A. GRUNDFOS Pumps (Shanghai) Co. Ltd. GRUNDFOS Hellas A.E.B.E. Ruta Panamericana km. 37.500industin 10F The Hub, No. 33 Suhong Road 20th km. Athinon-Markopoulou Av. 1619 - Garín Pcia. de B.A. Minhang District P.O. Box 71 Tel.: +54-3327 414 444...
- Page 20 Fax: +66-2-725 8998 Fax: + 370 52 395 431 Москва, RU-109544, Russia Turkey Тел. (+7) 495 564-88-00 (495) 737-30-00 Malaysia GRUNDFOS POMPA San. ve Tic. Ltd. Факс (+7) 495 564 8811 GRUNDFOS Pumps Sdn. Bhd. Sti. E-mail grundfos.moscow@grundfos.com 7 Jalan Peguam U1/25 Gebze Organize Sanayi Bölgesi...
- Page 21 92596692 05.2021 ECM: 1315520...
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