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Grundfos MQ User Manual

Grundfos MQ
21 pages
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GRUNDFOS INSTRUCTIONS
MQ
Installation and operating instructions

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Grundfos MQ Specifications

General IconGeneral
Max Head45 m
Built-in Pressure TankYes
Dry-running ProtectionYes
Max Liquid Temperature35°C
Inlet/Outlet Size1"
Pumped LiquidClean water
Weight13 kg
Power Supply220-240 V, 50/60 Hz
Power Consumption1000 W
Pump TypeCentrifugal
ApprovalsCE
Protection ClassI
Operating Temperature Range0°C to 35°C

Summary

Symbols and Safety Information

Safety Symbols and Warnings

Explains safety symbols and their implications for personal injury or equipment damage.

MQ Pump Overview

General Description

Describes the MQ as a compact water supply system with integrated components.

Typical Applications

Details typical uses of the MQ pump, including domestic and garden water supply.

MQ Pump Model Identification

Type Key Explanation

Explains the nomenclature used to identify different MQ pump models.

Technical Data

Operating Conditions

Lists specifications such as pressure, temperature, and suction lift for MQ pumps.

Electrical and Dimensional Data

Electrical Data

Provides specifications for enclosure class, insulation, voltage, and power consumption.

Dimensions and Approvals

Covers physical dimensions and certifications like WRAS for drinking water use.

Control Panel Layout

Control Panel Buttons and Indicators

Illustrates the MQ pump's control panel with buttons and indicator lights.

Control Panel Operation Details

Indicator Lights and Button Functions

Explains the function of each indicator light and button on the control panel.

Alarm and Auto-Reset Functions

Details the alarm conditions and the auto-reset functionality of the pump.

Pump Stop and Protective Features

Electronic Protective Functions

Details electronic protective functions that stop the pump in case of faults like dry running or overtemperature.

Mounting and Connection

Pump Mounting Guidelines

Provides instructions on how to securely mount the pump horizontally on a solid foundation.

Electrical Connection Safety

Outlines safety precautions and requirements for connecting the pump's electrical supply.

Generator and Start-up Procedures

Generator or Inverter Powering

Specifies conditions for powering the MQ pump with a generator or inverter.

Pump Start-up Process

Details steps for filling and starting the pump, including self-priming and auto-restart.

Maintenance and Service

Routine Maintenance

Recommends keeping the pump clean and outlines precautions for handling components.

Service Kits and Parts

Lists available service kits and replaceable parts for the MQ pump.

Start-up After Inactivity

Explains how to free a seized rotor and refill the pump after a period of inactivity.

Product Disposal Guidelines

Provides guidance on environmentally sound disposal of the product or its parts.

Troubleshooting and Fault Finding

Common Pump Faults and Remedies

Lists common pump faults, their causes, and recommended remedies.

Appendix: Technical Information

Pump Dimensions and Suction Lift Chart

Presents physical dimensions and a chart relating suction lift to pipe length.

Component Identification Diagram

Illustrates the pump with a detailed exploded view and numbered parts.

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