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Grundfos MAGNA3 25-40 (N) User Manual

Grundfos MAGNA3 25-40 (N)
62 pages
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MAGNA3
Installation and operating instructions
GRUNDFOS INSTRUCTIONS
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Grundfos MAGNA3 25-40 (N) Specifications

General IconGeneral
ModelMAGNA3 25-40 (N)
MaterialCast iron
Maximum Operating Pressure10 bar
Installation Length180 mm
Insulation ClassF
Frequency50 / 60 Hz
Head4 m
ApprovalsCE
Supply Voltage230 V

Summary

General Information

Safety Symbols on the Pump

Details safety symbols found on the pump itself and their meanings.

Receiving the Product

Lifting the Pump

Provides guidance on correct and safe methods for lifting the pump.

Installing the Product

Mechanical Installation

Covers the mechanical aspects of installing the pump, including pipe connections.

Positioning the Pump

Guides on the correct orientation and positioning of the pump shaft.

Pump Head Position

Details the correct procedure for fitting the pump head to the housing.

Electrical Installation

Covers the electrical connection procedures and safety precautions.

Supply Voltage

Details the required supply voltage and frequency for the pump.

Connecting the Power Supply

Step-by-step instructions for connecting the power supply cable.

Starting Up the Product

Single-Head Pump

Guides on starting up a single-head MAGNA3 pump.

Twin-Head Pump

Guides on starting up a twin-head MAGNA3 pump.

Product Introduction

Pumped Liquids

Specifies the types of liquids suitable for pumping with the MAGNA3.

Control Functions

External Connections

Details the wiring diagrams for external connections.

Input and Output Communication

Explains the pump's digital and analog input/output capabilities.

Analog Input

Explains the use of analog inputs for sensors and external signals.

Setting the Product

Operating the Product

Instructions on how to operate the pump and its control panel.

"Settings" Menu

Access point for all pump settings and configurations.

"Setpoint"

How to set the desired setpoint for the pump's operation.

"Operating mode"

Options for setting the pump's basic operating mode (Normal, Stop, Min, Max).

"Control mode"

Guide to selecting and enabling various control modes.

"Controller settings"

Adjusting gain (Kp) and integral time (Ti) for PI control.

"FLOWLIMIT"

How to enable and set the FLOWLIMIT function.

Setting values for control modes

Table of recommended values for various control modes.

"Assisted pump setup"

A step-by-step guide for setting up the pump's parameters.

"Multi-pump setup"

Setting up the pump for multi-pump operation.

"Assisted fault advice"

Guidance and corrective actions for pump failures.

Servicing the Product

Differential-pressure and temperature sensor

Details the integrated sensor and its benefits.

Fault Finding the Product

Fault Finding

Procedures for resetting and diagnosing faults.

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