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GE EntelliGuard TU User Manual

GE EntelliGuard TU
44 pages
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Installation, Operation,
and Maintenance Manual for the UL
Versions of the EntelliGuard TU Trip Unit
Used in the following GE Circuit Breakers:
EntelliGuard G
WavePro
AKR
Power Break I
Power Break II
Retain for Future Use.
EntelliGuard® TU Trip Unit

Table of Contents

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GE EntelliGuard TU Specifications

General IconGeneral
Frequency50/60 Hz
Communication ProtocolsModbus
Protection FeaturesOvercurrent, short circuit, ground fault
DisplayLCD
Mounting TypePanel mount
Number of Poles3 or 4
Operating Temperature-20 to 60 °C
CertificationsUL, CE, IEC

Summary

EntelliGuard TU Trip Unit Introduction

Supported Circuit Breakers

Lists GE Circuit Breakers compatible with the EntelliGuard TU Trip Unit.

Safety and Warranty Information

Hazard Categories

Explains the meaning of DANGER, WARNING, CAUTION, and NOTICE symbols used in the manual.

Section 1 - General Information

Introduction and Product Description

Overviews the trip unit, its appearance, and key features.

Section 1 - General Information

Equipment Interfaces and Communications

Covers breaker interfaces and Modbus/Profibus communication protocols.

Section 1 - General Information

Over Current Protection Functions

Lists and details Long Time, Short Time, and Instantaneous protection.

Section 1 - General Information

Ground Fault Protection

Details ground fault protection types, pickup, and time delay bands.

Section 1 - General Information

Protective Relay Functions

Describes voltage unbalance, current unbalance, under/over voltage, and power reversal relays.

Section 1 - General Information

Input/Output and Alarm Configuration

Explains input assignments, output configuration, and bell alarm setup.

Section 1 - General Information

Zone Select Interlock (ZSI) and HSIOC

Details ZSI function and High Set Instantaneous Protection.

Section 1 - General Information

Power Requirements and Metering Functions

Covers power sources and available metering data.

Section 2 - Lifting, Mounting and Installation

Safety Precautions

Critical warnings for electrocution, improper installation, falling objects, and product damage.

Section 2 - Lifting, Mounting and Installation

Trip Unit Removal and Replacement Procedures

Details procedures for removing and installing trip units in various breaker types.

Section 3 - Operation

Safety and Operation Warnings

Covers warnings for installation, operation, and personal injury.

Circuit Breaker Operation and Waveform Capture

Explains breaker opening sequence and waveform capture features.

Section 3 - Operation

LED Status Indicator and Operating Modes

Describes the trip unit's LED status and four operating modes.

Section 3 - Operation

Setup Mode Programming

Details how to navigate and program the trip unit in SETUP mode.

Section 4 - Battery

Battery Information and Replacement

Details the trip unit's internal battery, its function, and replacement procedures.

Section 5 - Maintenance and Troubleshooting

Safety Warnings and Rating Plug

Covers safety warnings and procedures for rating plug removal/replacement.

Section 5 - Maintenance and Troubleshooting

Troubleshooting Guide

Provides solutions for common issues like blank display, communication errors, and incorrect readings.

Appendix 1 - Communications Parameters

Modbus Function 2 and 3 Parameters

Lists Modbus registers for Functions 2 and 3, covering status and protection settings.

Appendix 1 - Communications Parameters

Modbus Function 3 and 4 Parameters

Lists Modbus registers for Functions 3 and 4, covering protection and measurement parameters.

Appendix 1 - Communications Parameters

Modbus Function 5 Parameters

Lists Modbus registers for Function 5, related to saving data, clock, and event management.

Appendix 2 - Operating Modes and Functions Specifics

SETUP Mode Navigation

Illustrates the setup mode navigation for programming trip unit functions.

Appendix 2 - Operating Modes and Functions Specifics

Protection and Voltage Setting Navigation

Details configuration steps for GF, ZSI, voltage unbalance, and under voltage settings.

Appendix 2 - Operating Modes and Functions Specifics

METER Mode Display (Wye and Delta)

Displays metering data for Wye and Delta system configurations.

Appendix 2 - Operating Modes and Functions Specifics

STATUS and EVENTS Mode Navigation

Illustrates navigation through STATUS and EVENTS modes for system information.

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