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Grundfos CU 3 2 Series

Grundfos CU 3 2 Series
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CU 3X2, CU 3X4
Installation and operating instructions
GRUNDFOS INSTRUCTIONS
Other languages
http://net.grundfos.com/qr/i/96842987

Table of Contents

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Grundfos CU 3 2 Series Specifications

General IconGeneral
TypeControl Unit
ManufacturerGrundfos
Frequency50/60 Hz
Max Current16 A
CategoryControl Unit
Housing MaterialPlastic

Summary

Symbols Used in this Document

Product Description

Indicator Lights

Explains function of green and red indicator lights.

Terminals

Lists and describes the terminals on the back of the unit.

Potentially Explosive Environments

Specifies conditions for use in potentially explosive environments.

Identification

Type Key

Explains the coding system for unit identification.

Installation

Location

Specifies suitable locations for unit installation.

Enclosure Class

Defines the required enclosure class for protection.

Terminals

Details conductor sizes for the unit's terminals.

Cables

Specifies the minimum cable rating required.

Security

Outlines cybersecurity measures and network connection guidelines.

Mechanical Installation

EMC-Correct Installation

Internal GENIbus Connection

Describes internal communication via the GENIbus system.

Fieldbus Communication Interface Modules

Information on connecting to external networks via CIM modules.

Fitting the CIM Module

Step-by-step guide for installing a CIM module.

Startup

Technical Data

Electrical Data

Supply Voltage

Specifies the required supply voltage and frequency.

Power Consumption

Indicates the maximum power consumption of the unit.

Circuit Breaker

Requirements for installing circuit breakers according to regulations.

Backup Fuse

Specifies the maximum rating for backup fuses.

Short-Circuit Protection

Details fuse requirements for short-circuit protection.

Digital Inputs

Electrical characteristics of digital inputs.

Analog Inputs

Electrical characteristics of analog inputs.

Digital Outputs (Relay Outputs)

Specifications for digital outputs and relay contacts.

Conductors

Defines suitable conductor types and sizes for connections.

USB Port

Specifies the type of USB port available on the unit.

Battery Backup (UPS)

Information on connecting and using a battery for backup power.

Terminal Groups

Identifies and describes terminal groups and their insulation.

Overview of Inputs and Outputs

Maintenance

Service

Replacing the CU 3 X2

Replacing the CIM Module

Instructions for replacing the CIM module.

Dimensions

Disposal

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