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Grundfos MG 90LB2 User Manual

Grundfos MG 90LB2
24 pages
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MG
Installation and operating instructions
GRUNDFOS INSTRUCTIONS
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Grundfos MG 90LB2 Specifications

General IconGeneral
BrandGrundfos
ModelMG 90LB2
CategoryEngine
LanguageEnglish

Summary

General Information

Hazard Statements

Explains hazard symbols, signal words, consequences, and actions to avoid risks.

Safety

Stresses adherence to safety instructions for correct installation, operation, and maintenance of the motor.

Product Introduction

Product Description

Details the installation and operating instructions for Grundfos MG motors and their specifications.

Identification

Explains nameplate details and the type key for identifying MG motors and their components.

Construction

Operating Conditions

Ambient Temperature and Installation Altitude

Outlines maximum ambient temperatures and installation altitudes for different efficiency classes, impacting motor life.

Frequency Converter Operation

Discusses connecting MG motors to frequency converters, phase insulation requirements, and precautions.

Mechanical Installation

Electrical Installation

General Information

Covers operating voltage, frequency, and voltage quality requirements for MG motors.

Electrical Connection

Details electrical connection procedures for single-phase and three-phase motors, including wiring diagrams and safety.

Starting Up the Product

Measuring the Insulation Resistance

Details the procedure for measuring insulation resistance before start-up and safety precautions.

Operation

Service

Motor Bearings

Covers bearing replacement, greasing for life, lubrication nipples, and grease types.

Fault Finding

Fault Finding Guide

Provides a guide to common motor faults, their causes, and potential solutions.

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