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Grundfos MGE 90 Series User Manual

Grundfos MGE 90 Series
66 pages
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MGE motors
Installation and operating instructions
GRUNDFOS INSTRUCTIONS

Table of Contents

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Grundfos MGE 90 Series Specifications

General IconGeneral
BrandGrundfos
ModelMGE 90 Series
CategoryEngine
LanguageEnglish

Summary

Motor Identification and Nameplate

Electrical Installation and Protection

Shock Protection and Earthing

Connect motor to protective earth; follow local regulations for protection.

Mains Supply Voltage

Details single-phase and three-phase supply voltages and fuse recommendations.

Additional Electrical Protection

Guidance on RCD type B, overvoltage, and undervoltage protection.

Functional Modules and Connections

FM 100 Terminal Connections

Module has essential inputs for closed/open-loop, enables GENIbus communication.

FM 200 Terminal Connections

Module has more I/O than FM 100; lists analog inputs, digital inputs, signal relays.

FM 300 Terminal Connections

Module has numerous inputs/outputs for advanced applications; lists connections.

User Interfaces Overview

Standard Control Panel Operation

Details standard control panel layout, setpoint setting, and start/stop motor functions.

Advanced Control Panel Features

Motor Functions Description

Setpoint and Operating Mode

Setting the setpoint and selecting operating modes: Normal, Stop, Min., Max., Manual.

Control Modes: Constant Value and Curve

Explains 'Constant other value' and 'Constant curve' control modes for motor operation.

Digital Inputs and Outputs Configuration

Digital Input Functions

Configuring digital inputs for functions like Alarm resetting, Reverse rotation.

Configurable Digital Inputs/Outputs

Setting digital input/output 3 and 4 for various input or output functions.

Signal Relays and Analog Output

Controller and Setpoint Settings

Controller Settings (Gain and Integral Time)

Adjusting controller gain (Kp) and integral time (Ti), including inverse control.

Operating Range Configuration

Setting the minimum and maximum speed within the defined operating range.

External Setpoint Function

Influencing motor setpoint via external signals through analog or temperature inputs.

Setpoint Influence and Predefined Setpoints

Predefined Setpoints Configuration

Setting and activating up to seven predefined setpoints using digital input combinations.

Limit Exceeded Function

Configuring Limit Exceeded Monitoring

Setting measured parameter, limit, hysteresis, detection delay, and action.

Startup, Alarms, and Assisted Setup

Assisted Pump Setup

Guides through setting motor control mode, sensors, setpoint, and controller settings.

System Setup and Management

Multi-Pump System Setup

Enables control of two motors in parallel; describes multimotor functions.

Multimotor System Configuration

Setting Up a Multimotor System

Step-by-step setup for multimotor systems via GO or advanced control panel.

Control Mode Description and Fault Advice

Assisted Fault Advice

Offers guidance and corrective actions for common motor failures.

Bus Signal Communication

Priority of Settings

Setting Priority Levels

Explains how motor operates based on function priority when multiple are enabled.

Grundfos Eye Indicator

Installing Communication Interface Module

Safety Precautions for Installation

Safety warnings for electric shock and handling electronic components.

Control Panel Positioning

Product Servicing and Cleaning

Product Servicing Safety Warnings

DANGER warnings for electric shock and magnetic field; link to service instructions.

Technical Data: Motors

Inputs, Outputs, and Technical Details

Input/Output Specifications

Details on digital, analog inputs/outputs, relays, bus interface, and their limits.

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