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Grundfos Magna 40-120 User Manual

Grundfos Magna 40-120
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GRUNDFOS MAGNA
Series 2000
MAGNA 32-120, 40-120, 50-120, 65-120, 50-60, 65-60
GRUNDFOS INSTRUCTIONS
Installation and operating instructions

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Grundfos Magna 40-120 Specifications

General IconGeneral
Head12 m
Frequency50 / 60 Hz
Max Operating Pressure10 bar
Connection SizeDN 40
Pump TypeCirculator pump
Voltage230 V
Liquid Temperature Range-10°C to +110°C

Summary

GRUNDFOS MAGNA Series 2000 Installation and Operating Instructions

Declarations of Conformity

GB Declaration of Conformity

Confirms product compliance with EU directives.

General Information and Applications

Symbols Used in this Document

Explains document symbols like Warning, Caution, and Note.

General Description

Overview of the GRUNDFOS MAGNA Series 2000 circulator pumps.

Applications and Pumped Liquids

Details pump applications and suitable liquid types.

Installation

Changing Control Box Position

Step-by-step guide to repositioning the pump's control box.

Twin-Head Pumps and Non-Return Valve

Notes on twin-head pump installation and non-return valve considerations.

Electrical Connection

Frost Protection Measures

Measures to prevent frost damage when the pump is not in use.

Electrical Connection Guidelines

Guidelines for safe electrical connection according to regulations.

Connection Diagram

Wiring schematic for supply, signal, and start/stop terminals.

Start-up

Pump Start-up Procedure

Steps for filling, venting, and initial pump start-up.

Pump Functions

Control Modes and Features

Details available pump control modes and further functions.

Expansion Modules and Communication

Information on GENI and LON modules for extended functionality.

Detailed Control Modes

AUTOADAPT Function Explained

Explanation of the automatic adaptation of pump performance.

Pressure Control Modes

Describes proportional and constant pressure control methods.

Control Mode Selection Guide

Recommends control modes based on system types.

Advanced Control Functions

Covers night-time duty, constant curve, and temp influence.

External Control and Signals

External Start/Stop and Signal Relay

Controlling pump via external contacts and using the signal relay.

Indicator Lights and Fault Status

Understanding pump status and fault indications.

Expansion Module Installation and Wiring

Installing Expansion Modules

Guide to fitting GENI and LON expansion modules.

Module Wiring Diagrams

Wiring schematics for GENI and LON expansion modules.

GENI Module Functions and Twin-Head Pumps

GENI Module Functions

Lists functions offered by the GENI module.

Twin-Head Pump Operation Modes

Details on operating modes and settings for twin-head pumps.

Pump Settings - Control Panel

Control Panel Overview

Identifies components and functions of the pump's control panel.

Factory Setting

Describes the default AUTOADAPT setting.

Pump Settings - Control Modes and Setpoints

Setting Control Modes

How to cycle through and select pump control modes.

Setting Pump Setpoints and Curves

Adjusting setpoints and selecting max/min curves.

Pump Operation and Fault Reset

Starting and Stopping the Pump

Procedures for starting and stopping the pump.

Resetting Fault Indications

Methods to clear fault indications from the pump.

R100 Remote Control Menus

R100 General and Operation Menus

Overview of R100's general and operation menu structures.

R100 Setpoint and Operating Mode

Setting pump setpoint and selecting operating mode via R100.

R100 Status Displays

Monitoring actual setpoint, operating mode, and performance data.

INSTALLATION Menu Settings

Control Mode and Night-time Duty Settings

Configuring control modes and automatic night-time duty.

Temperature Influence and Other Settings

Setting temperature influence, buttons, and pump number.

Priority of Settings

Setting Priority Rules

Explains priority when multiple control functions are active.

Troubleshooting

Fault Finding Chart

Guide to identifying and resolving common pump faults.

System Noise and Megging

Addressing noise issues and megging procedure.

Technical Data and Disposal

Key Technical Specifications

Important data on voltage, temperature, pressure, and EMC.

Product Disposal Guidelines

Instructions for environmentally sound disposal of the product.

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