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Eaton CL-7 User Manual

Eaton CL-7
188 pages
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ALARM
WARNING
DIAG ERROR
COM 1
TX RX
COM 2
TX RX
CL-7 Regulator Control
ESC
EDIT
FUNC SYM
1 2
ABC
3
DEF
4
GHI
5
JKL
6
MNO
7
PQRS
8
TUV
9
WXYZ
0
VOLT LIMITER HIGH
OUT-OF-BAND HIGH
OUT-OF-BAND LOW
VOLT LIMITER LOW
AUTO TAP BLOCKED
REVERSE POWER
VOLT REDUCTION
1 2 3
DATA PORTS
USB
DRIVE
PC
CONTROL FUNCTION
OFF
LOCAL MANUAL LOWER
NEUTRAL VOLTMETER
EXTERNAL
SOURCE
INTERNAL
MOTOR
6A
SUPER-
VISORY
OFF
DRAG
HAND
RESET
OFF
EXTERNAL
POWER
AUTO/REMOTE RAISE
OFF
LOCAL MANUAL LOWER
NEUTRAL VOLTMETER
INTERNAL
MOTOR
6A
OFF
VR2
EXTERNAL
POWER
AUTO/REMOTE RAISE
VR3
OFF
LOCAL MANUAL LOWER
NEUTRAL VOLTMETER
INTERNAL
MOTOR
6A
OFF
EXTERNAL
POWER
AUTO/REMOTE RAISE
ENTER
CL-7 Voltage Regulator Control; Installation, Operation, and
Maintenance Instructions
COOPER POWER
SERIES
Voltage Regulators
MN225003EN
Effective April 2018
Supersedes July 2017

Table of Contents

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Eaton CL-7 Specifications

General IconGeneral
BrandEaton
ModelCL-7
CategoryControl Unit
LanguageEnglish

Summary

Safety for Life

Safety Instructions

General caution and warning statements for equipment operation and safety.

Section 1: Control Front Panel

Lower Panel (Grey)

Describes the components and features of the lower section of the front panel.

Upper Panel (Black)

Details the upper front panel, including its display and interface.

Connecting Power to External Source Terminals

120 Vac Applications

Details wiring options for 120 Vac external power applications.

240 Vac Applications

Details wiring options for 240 Vac external power applications.

Upper Panel (Black)

Keypad

Parameter Access and Editing

How to use function codes to read and edit control parameters.

Section 2: Control Installation

Placing the Control into Service

Steps for initial setup and service of the control.

Setting the Control for Service

Section 3: Initial Control Programming

Operational Check

Pre-installation Check

Performing an operational check before installing the control on the regulator.

In-service Check

Performing an operational check after the control is programmed and installed.

Field Calibration Check

Removal from Service

Determining Neutral Position

Guidance on determining the neutral position for safe removal from service.

Return the Regulator to Neutral

Removal of Control

Replacement of Control

Procedure for installing a new control into the enclosure.

Basic Programming

Multi-phase Programming

Programming and Reconfiguring for Different Voltage Systems

Section 4: Control Operation

Automatic Operation

Describes the sequence of operations in automatic mode.

Manual Operation

Explains manual operation using the front panel switches.

Security System

Basic Control Operations

Set Voltage

Defines the target voltage level for regulation.

Bandwidth

Defines the voltage range considered within acceptable limits.

Time Delay

Time before a tap change occurs after voltage goes out-of-band.

Line Drop Compensation, Resistance and Reactance Settings

Settings to compensate for voltage drop on the line.

Regulator Configuration

Settings for wye or delta connected regulators.

Section 5: Control Programming

Quik-Start Setup

Quick start setup for basic regulation.

Section 7: Advanced Control Features

Metering-PLUS Feature

Immediate access to basic control information via Hot Key.

Section 6: Control Features

Tap Position Indication (TPI)

Source-Side Voltage

Reverse Power Operation

Locked Forward Mode

For applications where reverse power flow is not possible.

Locked Reverse Mode

Reverse Idle Mode

Bi-Directional Mode

Neutral Idle Mode

Co-generation Mode

Reactive Bi-directional Mode

Bias Bi-directional Mode

Bias Co-generation Mode

Bias Co-generation Metering

Bias Co-generation Operation

Reverse Co-generation Mode

Multi-Phase Voltage Regulation

Multi-phase Parameters

Parameters for multi-phase operation including mode, number, and lead regulator.

Multi-phase Mode

Designates how the control operates regulators relative to each other.

Multi-phase Regulation Settings

DeltaCalc Feature

Open Delta Voltage Regulation

Open Delta Load Amps

Close Delta Voltage Regulation

DeltaCalc Settings for Closed Delta

Voltage Limiter

Voltage Reduction

Soft ADD-AMP Feature

Adaptive ADD-AMP

Supervisory Control and Data Acquisition (SCADA)

Local Operator Security

Tap-to-Neutral

Tap-To-Target

Remote Motor Control and Auto-Tap Blocking

Alternate Configuration

Configurable Logic

Communications

Preventive Maintenance Tapping

Duty Cycle Monitor

Leader/Follower Scheme

Voltage Sag Monitoring

Fault Detection

Section 8: Troubleshooting

Control Panel Troubleshooting

Tap-Changer Operation Troubleshooting

The Regulator Operates Manually but Operates Incorrectly When Set on Automatic

Metering Troubleshooting

Control Calibration

Voltage Calibration

Procedure to check and calibrate voltage readings.

Current Calibration

Wiring Diagrams and Schematics

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