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Grundfos MAGNA3 Series User Manual

Grundfos MAGNA3 Series
153 pages
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Date: January 8, 2015.
Project: Jackson Home Office Expansion.
Phase: 3 Office Building / Connector.
Product: Snow Melt System.
Document: Warranty.
Notes: No Notes.

Table of Contents

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Grundfos MAGNA3 Series Specifications

General IconGeneral
Temperature Range-10 °C to +110 °C
Insulation ClassF
SeriesMAGNA3
Max. Liquid Temperature110 °C
Power Supply1x230V, 3x400V
ApprovalsCE
Pump HousingCast iron
InstallationInline
CommunicationModbus RTU, BACnet MS/TP
Ambient Temperature0 °C to 40 °C
MaterialCast iron

Summary

Limited Warranty

Symbols Used in this Document

Warning Symbols

Safety instructions not observed may result in personal injury or damage.

Caution Symbols

Safety instructions not observed may result in malfunction or damage.

Notes

Instructions to make job easier and ensure safe operation.

General Information

3.1 Applications

Details the systems for which the MAGNA3 pump is designed.

3.2 Pumped Liquids

Specifies suitable liquids, water quality, and temperature limits.

3.3 Operating Conditions

Specifies operating temperature, pressure, ambient, and sound levels.

3.4 Frost Protection

Notes necessary steps to prevent frost bursts when pump is not used.

3.5 Insulating Shells

Describes availability and fitting of insulating shells for pumps.

3.6 Non-return Valve

Explains ensuring pump discharge pressure is higher than valve closing pressure.

3.7 Nameplate

Details information provided on the pump nameplate.

3.8 Radio Communication

Discusses wireless radio communication for remote control.

3.9 Tools

Lists recommended tools for installation.

Mechanical Installation

4.1 Installing the Pump

Provides guidelines for indoor pump installation and cooling.

4.2 Positioning

Explains correct pump installation orientation in vertical and horizontal pipes.

4.3 Control Box Positions

Details positioning requirements for the control box for adequate cooling.

4.4 Pump Head Position

Guides on fitting the pump head to the pump housing correctly.

4.5 Changing the Control Box Position

Provides steps to change the control box orientation.

Electrical Installation

5.1 Supply Voltage

Lists available supply voltages and tolerances.

5.2 Connection to the Power Supply (models 40-XX, 50-XX, 65-XX, 80-XX, 100-XX)

Step-by-step guide for connecting power to specific pump models.

5.3 Connection to the Power Supply (models 32-XX)

Step-by-step guide for connecting power to model 32-XX pumps.

5.4 Connection Diagram

Illustrates typical electrical connections for the pump.

5.5 Input/Output Communication

Details communication capabilities including relay outputs and digital inputs.

5.6 Analog Input for External Sensor

Explains connecting external sensors or signals for control.

5.7 Electrical Connection for External Sensor

Shows example electrical connections for external sensors.

5.8 Priority of Settings

Explains the priority of external control signals over panel settings.

"Status" Menu

"Settings" Menu

13.1 Setpoint

Guides on setting the pump's setpoint for system matching.

13.2 Operating Mode

Explains how to set the pump's operating mode (Normal, Stop, Min, Max).

13.3 Control Mode

Details various control modes like AUTOADAPT, FLOWADAPT, and constant modes.

13.4 FLOWLIMIT

Guides on enabling and setting the flow limit function.

13.5 Automatic Night Setback

Explains the automatic reduction of pump performance during night setback.

13.6 Relay Outputs

Details how relay outputs can be set for alarm, ready, or operation signals.

13.7 Setpoint Influence

Explains how external setpoints and temperature influence the pump.

13.8 Bus Communication

Details communication via bus systems and allocating pump numbers.

13.9 General Settings

Covers general settings like language, date/time, units, and display.

"Assist" Menu

14.1 Assisted Pump Setup

Provides a step-by-step guide for completing pump setup.

14.2 Setting of Date and Time

Guides on setting the date and time, referencing section 13.9.2.

14.3 Multi-pump Setup

Assists in setting up a multi-pump system, referencing section 14.8.

14.4 Setup, Analog Input

Assists in setting up the analog input for external sensors.

14.5 Description of Control Mode

Gives a short description of each control mode.

14.6 Assisted Fault Advice

Provides information about faults and corrective actions.

14.8 Multi-pump Function

Explains the multi-pump function for controlling multiple pumps.

Selection of Control Mode

Fault Finding

16.1 Grundfos Eye Operating Indications

Explains the meaning of indicator lights on the Grundfos Eye.

16.2 Signalling Communication with Remote Control

Describes center indicator light signals for Grundfos GO Remote communication.

16.3 Fault Finding

Lists common faults, their causes, and corrective actions.

Sensor

17.1 Sensor Specifications

Provides detailed specifications for pressure and temperature sensors.

Accessories

18.1 Grundfos GO Remote

Details the features and usage of the Grundfos GO Remote app.

18.2 Communication

Explains pump communication via GENIair or CIM modules.

18.3 Fitting the CIM Module

Provides instructions for installing a CIM module.

Technical Data

Disposal

Environmental Compliance

Unpacking

Details procedures for unpacking materials.

Scrapping

Provides guidelines for environmentally sound disposal of equipment.

Description

Main Components

Details the primary parts of the equipment.

Function

Explains the working principle of the equipment.

Semi-welded PHE

Describes the semi-welded plate heat exchanger.

Installation

Requirements

Outlines necessary requirements before starting installation.

Lifting

Provides instructions and warnings for lifting equipment.

Raising

Details the steps for raising the equipment.

Operation

Start-up

Guides on the initial start-up procedure for the equipment.

Unit in Operation

Checks and considerations during normal equipment operation.

Shut-down

Provides instructions for safely shutting down the equipment.

Maintenance

Cleaning-In-Place (CIP)

Details the Cleaning-In-Place procedure for the equipment.

Manual cleaning

Provides instructions for manual cleaning of the equipment.

Closing

Instructions for reassembling the equipment after maintenance.

Pressure Test After Maintenance

Guides on performing a pressure test after maintenance.

Regasketing

Provides instructions for replacing gaskets on the equipment.

Sequence of Operation

Section A: General Operation

Provides general operational overview for the system.

Section B: Snow Melting

Details the operation of the snow melting system.

Section C: Boiler Operation

Explains boiler operation and related settings.

Section D: Melting Enable / Disable

Describes how to enable or disable the melting function.

Section E: Melting Operation

Details the general melting operation of the system.

Section F: Idling Operation

Explains the idling operation modes for the system.

Installation

Powered Input Connections

Details the connections for the system's power supply.

Melt / Idle Demand

Explains how to generate melt or idle demand signals.

Output Connections

Describes connections for system outputs like boilers and pumps.

Sensor and Unpowered Input Connections

Details connections for unpowered sensors and inputs.

Testing the Control

TEST SEQUENCE

Describes the sequence of tests for control functions.

MAX HEAT

Explains how to enable and use the Max Heat function.

Troubleshooting

Establish the Problem

Guides on gathering information to define the issue.

Understanding the Sequence of Operation

Explains how to understand system operation for diagnosis.

Use the Test Routine

Instructs on using the control's built-in test sequence.

Sketch the Piping in the System

Recommends sketching the system piping for troubleshooting.

Document the Control

Advises documenting control settings for future reference.

Isolate the Problem

Guides on isolating the problem between control and system.

Test the Contacts, Voltages and Sensors

Details testing electrical contacts, voltages, and sensors.

Monitor the System

Recommends monitoring system operation over time for diagnosis.

664 Error Messages (1 of 3)

Technical Data

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