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Grundfos MAGNA 2000 Series User Manual

Grundfos MAGNA 2000 Series
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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 2000 Series Specifications

General IconGeneral
TypeCirculator pump
SeriesMAGNA 2000
Protection ClassIP44
Insulation ClassF
ApplicationHeating, Ventilation, and Air Conditioning (HVAC) systems
Max. flow60 m³/h
Max. head15 m
Max. temperature120°C
Max. pressure16 bar
ControlElectronic
Control Modesproportional pressure, constant pressure, constant curve
Power supply1x230V, 3x400V
MaterialCast iron

Summary

Symbols Used in this Document

General Description

Applications

Installation

Changing the Control Box Position

Procedure for repositioning the pump's control box.

Twin-Head Pumps

Specific installation notes for twin-head pump configurations.

Non-Return Valve

Considerations for non-return valve compatibility with pump pressure.

Frost Protection

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

Electrical Connection

Supply Voltage

Details on the required electrical supply voltage and frequency.

Connection Diagram

Illustrates wiring connections for power, signals, and start/stop.

Start-up

Functions

Control Modes

Overview of available pump operating modes and their characteristics.

Selection of Control Mode

Guidance on choosing the optimal control mode for different system types.

Automatic Night-time Duty

Functionality for automatic reduction of pump performance during off-peak hours.

Constant-Curve Duty

Operating the pump at a fixed speed or curve.

Max. or Min. Curve Duty

Selecting maximum or minimum performance curves for operation.

Temperature Influence

Adjusting pump setpoint based on liquid temperature.

External Start/Stop

How to control the pump's operation via external signals.

Signal Relay

Configuration of the pump's signal relay for fault or operating status.

Indicator Lights

Explanation of the pump's status indicator lights.

Expansion Modules

Description of available modules for enhanced pump functionality.

Wiring Diagrams for Expansion Modules

Schematics for connecting GENI and LON expansion modules.

GENI Module

Functions and configurations for the GENI module.

Control of Twin-Head Pumps

Specifics on controlling twin-head pump configurations.

Selection of Operating Mode

Methods for selecting the operating mode for twin-head pumps.

LON Module

Information on connecting the pump to a LonWorks network.

Setting the Pump

Factory Setting

Default pump configuration and settings.

Control Panel Operation

Using the integrated control panel for pump settings and functions.

R100 Remote Control

Using the R100 remote control for pump settings and monitoring.

R100 Operation Menu

Accessing and navigating the pump's operation menu via R100.

R100 Status Menu

Accessing and viewing current pump status information.

R100 Installation Menu

Settings relevant for pump installation and initial setup.

Priority of Settings

Defines priority rules for conflicting control signals.

Fault Finding Chart

Megging

Technical Data

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