15 kV and 25 kV class EZ™ II splice installation instructions(For A, B, and C cable ranges only)COOPER P O W ER SERIESSplicesMN650007EN Effective January 2016Supersedes April 2015

safety information

product information

Eaton EZ II Series Installation Instructions Manual

PRODUCT INFORMATION

Control power

Control operation-LOCAL Mode

Wiring schematic

Instructions for LOCAL Mode operation

Extended control accessory

Outline diagram

SCADA Terminal block connection procedures

MAINTENANCE INFORMATION

COOPER POWER SERIES

installation procedures

INTRODUCTION

INSTALLATION

Nameplates

Placing regulator into service

REMOVAL FROM SERVICE

CONSTRUCTION AND OPERATION

Position indicator and ADD-AMP capability

Internal construction and wiring

Quik-Drive tap-changers

MAINTENANCE

Operational check

Insulating fluid maintenance

Untanking the regulator

Retanking the regulator

SPARE PARTS

InstallatIon, operatIon, and MaIntenance InstructIons MN225008EN February

test

VR-32 voltage regulator current test

Insulation resistance test

Freeing a stalled tap-changer

APPENDIX

ADD-AMP capabilities

Wiring diagrams

Introduction

Description

Door latch

Programming panel

Operating Panel

Control features

Automatic mode

Alarming

Metering

Ethernet SelectComm module

Radio modems

Initial programming prior to installation

Power transformer recommendation

Installing the control

DIN connector options

Wiring harness options

Socket mount installation

Pole mount installation

Panel mount installation

Installing the cable security sleeve

Storm trapper installation

Eaton's Cooper Power series junction box installation

SelectComm module installation

Radio modem installation

Before placing the control into service

Testing an installed control

Removing a pole mount control from service

Line post sensor

Replacement kits

VFI Tester Front Panel

Description and Functionality of VFI Tester Front Panel

Instrumentation

Testing In-Service VFI Units

Control Tests

External Flux-Shift Tripper Tests

Battery Test

LCD Message Screens

Electronic control

Cabinet construction

Weight

OPERATION

Application

Internal inspection and repair

Frequency of maintenance

Fuid fill guidelines

Replacement parts

TESTING

SECTION 1: CONTROL FRONT PANEL

Upper panel (black)

SECTION 2: CONTROL INSTALLATION

Field calibration check

Removal from service

Removal of control

SECTION 3: INITIAL CONTROL PROGRAMMING

Multi-phase programming

Programming and reconfiguring for different voltage systems

Allowable system voltages and calculation of overall PT ratio

Determination of leading or lagging in delta-connected regulators

SECTION 4: CONTROL OPERATION

Security system

Basic control operations

Quik-Start setup

Function menu

Function codes

Special functions

Sequence of events (SOE)

Power-up/reset conditions

Calendar/clock

Tap position indication (TPI)

Reverse power operation

Reactive bi-directional mode

Reverse Co-generation mode

Multi-phase voltage regulation

DeltaCalc feature

Voltage limiter

Voltage reduction

Metering-PLUS feature

Communications

Protocols

Configurable logic

Alarms

TIME-ON-TAP™ feature

Preventive maintenance tapping

Voltage sag monitoring

Fault detection

Heater

Defining the problem

Tap-changer operation troubleshooting

Metering troubleshooting

SECTION 9: APPENDIX

Wiring diagrams and schematics

CRA Kit Components

Replacement Procedure

CONTROL SETUP

Ratio Correction

Powering the Control Using Line Power

Powering the Control Using External Power

Shop Operations Check

CL-7 CONTROL IN EATON CONTROL BOX, DEAD FRONT

CL-7 CONTROL IN EATON CONTROL BOX, NOT DEAD FRONT

CL-7 CONTROL IN SIEMENS CORPORATION CONTROL BOX

CL-7 CONTROL IN GENERAL ELECTRIC CONTROL BOX WITH FORK-TYPE TERMINAL

CL-7 CONTROL IN GENERAL ELECTRIC CONTROL BOX WITH PIN-TYPE TERMINAL

CL-7 CONTROL IN HOWARD INDUSTRIES CONTROL BOX

RATINGS AND SPECIFICATIONS

INSTALLATION PROCEDURE

Three-wire control

THREE-WIRE CONTROL WITH HOLDING SWITCH

DIMENSIONS AND WEIGHTS

FUSE REPLACEMENT PROCEDURES

Probe and Elbow Housing Disassembly

Fuse Disassembly

Replacement Fuse Installation

Probe Adapter Reassembly

Elbow Housing and Probe Reassembly

Handling and storage

INSTALLING A FUSE LINK IN FUSE LINK HOLDER

OPERATION AND REFUSING

Refusing the backup current-limiting fuse

ASSEMBLY AND INSTALLATION

Pocket brackets

Adjustable foot bracket option

EMF FUSE REPLACEMENT

WELL-ADAPTER REPLACEMENT

DIMENSIONAL DRAWINGS

PRODuCT INFORMATION

ACCESSORIES

Pressure-vacuum gauge

Winding temperature gauge

High voltage bushings

De-energized tap-changer

Vacuum fault interrupter (VFI)

Removing and replacing fixed stud or spade type bushings

Cover removal

Insulating liquid maintenance

PEAK™ AND ENvIROTEMP™ FR3™ FLuID-FILLED TRANSFORMERS

PREvENTATIvE MAINTENANCE INSTRuCTIONS

operating instructions

SHIPMENT AND ACCEPTANCE

DESCRIPTION AND USE OF OPERATING CONTROLS

OPERATING PROCEDURES

Control tests

Recloser tests

APPENDIX A

Theory of operation

Control front panel

Duty cycle monitor

Grounding the control

Customer connections for DC power and AC

voltage sensing

into service

Using removable inserts

OPERATION AND INSTALLATION INSTRUCTIONS MN280075EN July

Recloser interface junction box cable

Discrete interface board (DIF) option accessory

Communication board accessories

Remove the control from service

Closing the recloser during testing

Return the control to service

ADDITIONAL INFORMATION

Control/Recloser compatibility

Mounting the control


Contents safety information product information	15 kV and 25 kV class EZ™ II splice installation instructions(For A, B, and C cable ranges only)COOPER P O W ER SERIESSplicesMN650007EN Effective January 2016Supersedes April 2015 Next / 12