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Grundfos CUE User Manual

Grundfos CUE
46 pages
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GRUNDFOS INSTRUCTIONS
CUE, 0.75 - 125 Hp
Installation and operating instructions

Table of Contents

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Grundfos CUE Specifications

General IconGeneral
BrandGrundfos
ModelCUE
CategoryMedia Converter
LanguageEnglish

Summary

Limited Warranty

Safety and Warnings

General Safety Warnings and Regulations

Critical safety instructions for installation, maintenance, and operation.

Mechanical Installation

Electrical Connection

Electrical Protection

Essential protection measures including grounding and short-circuit protection.

Mains and Motor Connection

Instructions for connecting the main power supply and motor.

Signal, Relay, EMC and Filter Connections

Covers signal terminals, relays, EMC, RFI filters, output filters, and motor cables.

MCB 114 Module and EMC Installation

RFI Filters, Output Filters and Motor Cables

Operating Modes

Control Modes

Uncontrolled and Controlled Operation

Explanation of open-loop and closed-loop control modes.

Setting by Control Panel

Control Panel Interface

Overview of the control panel, buttons, and indicator lights for operation.

Factory Settings and Start-up Guide

Back to Factory Settings

Procedure to reset all CUE parameters to factory defaults.

Start-up Guide Configuration

Step-by-step guide for initial CUE setup, language, units, and pump family.

Motor Settings

Control Mode and Flow Rate

Setting the pump's control mode and rated flow rate.

Head, Sensor, Priming and Rotation Settings

Setpoint and Rotation Settings

Manual Rotation and General Options

OPERATION Menu

Fault Indications and Fault Log

Understanding fault indications and accessing the alarm/warning log.

INSTALLATION Menu

PI Controller Tuning

External Setpoint, Signal Relays and Buttons

Constant Pressure Stop Function

Constant Level Stop Function

Duty/Standby Function

Operating Range Settings

Ramps and Priority of Settings

External Control Signals

External Setpoint and GENIbus Signal

Troubleshooting

Warning/Alarm List and Resetting Alarms

Guide to understanding and resetting warnings and alarms.

Technical Data

Dimensions, Weights and Surroundings

Terminal Torques, Cable Length and Fuses

Fuses and Cable Gauge Size

Guidance on selecting fuses and cable gauge sizes.

UL Fuses and Conductor Gauge Size

Inputs and Outputs

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