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Grundfos CU 323 Series User Manual

Grundfos CU 323 Series
26 pages
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CU 323
Installation and operating instructions
GRUNDFOS INSTRUCTIONS
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Grundfos CU 323 Series Specifications

General IconGeneral
BrandGrundfos
ModelCU 323 Series
CategoryControl Panel
LanguageEnglish

Summary

General Information

Target Group

Information for professional installers of the CU 323.

Symbols and Safety Notes

Explanation of hazard symbols, safety notes, and other important symbols for safe operation.

Installing the Product

Location and Environmental Considerations

Guidance on suitable installation locations, environments, and potentially explosive areas.

Mechanical Installation Details

Instructions for physically mounting the CU 323 unit, including dimensions and frame.

Electrical Installation and Connections

Ensuring EMC-correct installation, GENIbus, and CIM module connections.

Product Introduction

Product Description

Overview of the CU 323 control unit's purpose and capabilities.

User Interface Navigation

Explanation of the CU 323's buttons, display elements, and their basic functions.

User Interface Display Meanings

Detailed explanation of various display messages shown on the CU 323 and their interpretation.

Control Functions

Indicator Lights and Relay Status

Describes the meaning of indicator lights and relay states for system status and operation.

Operating the Product

Local Operating Modes

Operating the CU 323 in local mode with or without external stop input.

Remote Operating Modes

Operating the CU 323 remotely with or without external stop input.

Proportional Pressure Setpoint Adjustment

How to adjust the proportional pressure setpoint for optimal system performance.

Servicing the Product

Maintenance and Replacement

Guidelines for routine maintenance, cleaning, and instructions for replacing the CU 323 unit.

Product Repair Information

Information regarding the repairability of the CU 323 unit.

Fault Finding the Product

Troubleshooting Common Issues

Comprehensive guide to identifying and resolving common faults and issues with the CU 323.

Technical Data

Operating Conditions

Details on operating conditions, ambient temperature, humidity, and pollution degree.

Mechanical Data and Enclosure

Physical specifications including enclosure class, dimensions, and US/Canada ratings.

Electrical Supply and Power

Specifications for supply voltage, circuit breaker requirements, and power consumption.

Digital and Analog Input/Output Data

Detailed data for digital inputs, analog inputs, digital outputs, and PTC/thermal switch inputs.

Conductors and Terminals

Information on conductor types, sizes, and terminal specifications.

Terminal Group Assignments

Overview of terminal groups and their corresponding functions and connections.

Input/Output Overview and Diagrams

Detailed list and diagrams of all CU 323 inputs and outputs with their designations.

Disposing of the Product

Environmental Disposal Guidelines

Instructions for environmentally sound disposal of the CU 323 unit and its components.