CL-7 regulator control installation, operation, and ...

1 ALARMWARNINGDIAG ERRORCOM 1TX RXCOM 2TX RXCL-7 regulator ControlESCEDITFUNCSYM1 2 ABC3 DEF4 GHI5 JKL6 MNO7 PQRS8 TUV9 WXYZ0 VOLT LIMITER HIGHOUT-OF-BAND HIGHOUT-OF-BAND LOWVOLT LIMITER LOWAUTO TAP BLOCKEDREVERSE POWERVOLT REDUCTION1 2 3 DATA PORTSUSBDRIVEPCCONTROL FUNCTIONOFFLOCAL MANUALLOWERNEUTRALVOLTMETEREXTERNAL SOURCEINTERNALMOTOR6 ASUPER-VISORYOFFDRAGHANDRESETOFFEXTERNAL POWERAUTO/REMOTE RAISEOFFLOCAL MANUALLOWERNEUTRALVOLTMETERINTERNALMOTOR 6 AOFFVR2 EXTERNALPOWERAUTO/REMOTE RAISEVR3 OFFLOCAL MANUALLOWERNEUTRALVOLTMETERINTERNALMOTOR 6 AOFFEXTERNALPOWERAUTO/REMOTE RAISEENTERCL-7 Voltage regulator control ; installation , Operation, and Maintenance InstructionsCOOPER POWERSERIESV oltage Regulators MN225003 ENEffective May 2021 Supersedes April 2020iiINSTALLATION, OPERATION, AND MAINTENANCE INSTRUCTIONS MN225003EN May 2021 DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITYThe information, recommendations, descriptions and safety notations in this document are based on Eaton Corporation s ( Eaton ) experience and judgment and may not cover all contingencies.

2 If further information is required, an Eaton sales office should be consulted. Sale of the product shown in this literature is subject to the terms and conditions outlined in appropriate Eaton selling policies or other contractual agreement between Eaton and the ARE NO UNDERSTANDINGS, AGREEMENTS, WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY, OTHER THAN THOSE SPECIFICALLY SET OUT IN ANY EXISTING CONTRACT BETWEEN THE PARTIES. ANY SUCH CONTRACT STATES THE ENTIRE OBLIGATION OF EATON. THE CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES. In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or otherwise for any special, indirect, incidental or consequential damage or loss whatsoever, including but not limited to damage or loss of use of equipment, plant or power system, cost of capital, loss of power, additional expenses in the use of existing power facilities, or claims against the purchaser or user by its customers resulting from the use of the information, recommendations, and descriptions contained herein.

3 The information contained in this manual is subject to change without notice. iiiINSTALLATION, OPERATION, AND MAINTENANCE INSTRUCTIONS MN225003EN May 2021 ContentsDISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY ..IISAFETY FOR LIFE ..VISAFETY INFORMATION ..VISafety instructions ..viPRODUCT INFORMATION ..1 Introduction ..1 Read this manual first ..1 Additional information ..1 Acceptance and initial inspection ..1 Handling and storage ..1 Standards ..1 Quality standards..1 Description ..1 SECTION 1: control FRONT PANEL ..3 Lower panel (grey) ..3 Upper panel (black) ..10 SECTION 2: control installation ..15 Mounting the control ..15 Placing the control into service ..15 Operational check ..16 Field calibration check ..17 Removal from service ..18 Determining neutral position ..18 Removal of control ..19 Replacement of control ..19 SECTION 3: INITIAL control PROGRAMMING ..21 Basic programming.

4 21 Multi-phase programming ..22 Programming and reconfiguring for different voltage systems ..23 Steps for changing system voltage ..23 Allowable system voltages and calculation of overall PT ratio ..24 Determination of leading or lagging in delta-connected regulators ..26 SECTION 4: control OPERATION ..27 Automatic operation ..27 Manual operation ..27 Self-test ..27 Passwords and cybersecurity ..28 Basic control operations ..29ivINSTALLATION, OPERATION, AND MAINTENANCE INSTRUCTIONS MN225003EN May 2021 SECTION 5: control PROGRAMMING ..33 Quick-Start setup ..33 Function menu ..35 Function codes ..51 Special functions ..133 Alarms ..134 Sequence of events (SOE) ..134 Power-up/reset conditions ..135 Indication messages ..135 SECTION 6: control FEATURES ..137 Calendar/clock ..137 Metering ..137 Metering convention ..138 Tap position indication (TPI) ..138 Source-side voltage ..138 Reverse power operation.

5 139 Multi-phase voltage regulation ..151 DeltaCalc feature ..152 Voltage limiter ..154 Voltage reduction ..154 Soft ADD-AMP feature ..155 Adaptive ADD-AMP ..155 Supervisory control and data acquisition (SCADA) ..156 SECTION 7: ADVANCED control FEATURES ..161 Metering-PLUS feature ..161 Communications ..167 Protocols ..167 Configurable logic ..168 Alarms ..171 Sequence of events (SOE) ..171 Data profiler ..171 TIME-ON-TAP feature ..172 Preventive maintenance tapping ..173 Duty cycle monitor ..173 Leader/follower scheme ..173 Voltage sag monitoring ..174 Fault detection ..175 Heater ..176 Battery options ..176DC power supply ( Vdc) ..176 Auxiliary Analog Input Module (AAI) ..177vINSTALLATION, OPERATION, AND MAINTENANCE INSTRUCTIONS MN225003EN May 2021 SECTION 8: TROUBLESHOOTING ..179 External check ..179 Defining the problem ..179 control panel troubleshooting ..179 Tap-changer operation troubleshooting.

6 181 Metering troubleshooting ..184 control calibration ..184 SECTION 9: APPENDIX ..187 Wiring diagrams and schematics ..190 Safety for lifeEaton meets or exceeds all applicable industry standards relating to product safety in its Cooper Power series products. We actively promote safe practices in the use and maintenance of our products through our service literature, instructional training programs, and the continuous efforts of all Eaton employees involved in product design, manufacture, marketing, and strongly urge that you always follow all locally-approved safety procedures and safety instructions when working around high-voltage lines and equipment, and support our Safety For Life informationThe instructions in this manual are not intended as a substitute for proper training or adequate experience in the safe operation of the equipment described. Only competent technicians who are familiar with this equipment should install, operate, and service competent technician has these qualifications: Is thoroughly familiar with these instructions.

7 Is trained in industry-accepted high- and low-voltage safe operating practices and procedures . Is trained and authorized to energize, de-energize, clear, and ground power distribution equipment. Is trained in the care and use of protective equipment such as arc flash clothing, safety glasses, face shield, hard hat, rubber gloves, clampstick, hotstick, is important safety information. For safe installation and operation of this equipment, be sure to read and understand all cautions and Statement DefinitionsThis manual may contain four types of hazard statements: DANGERI ndicates an imminently hazardous situation which, if not avoided, will result in death or serious injury . WARNINGI ndicates a potentially hazardous situation which, if not avoided, could result in death or serious injury . CAUTIONI ndicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

8 NOTICEI ndicates a potentially hazardous situation which, if not avoided, may result in equipment damage only .Safety instructionsFollowing are general caution and warning statements that apply to this equipment. Additional statements, related to specific tasks and procedures , are located throughout the manual. DANGERH azardous voltage . Contact with hazardous voltage will cause death or severe personal injury . Follow all locally-approved safety procedures when working around high- and low-voltage lines and equipment . G103 .3 WARNINGB efore installing, operating, maintaining, or testing this equipment, carefully read and understand the contents of this manual . Improper operation, handling, or maintenance can result in death, severe personal injury, and equipment damage . G101 .0 WARNINGThis equipment is not intended to protect human life . Follow all locally-approved procedures and safety practices when installing or operating this equipment.

9 Failure to comply can result in death, severe personal injury, and equipment damage . G102 .1 WARNINGP ower distribution and transmission equipment must be properly selected for the intended application . It must be installed and serviced by competent personnel who have been trained and understand proper safety procedures . These instructions are written for such personnel and are not a substitute for adequate training and experience in safety procedures . Failure to properly select, install, or maintain power distribution and transmission equipment can result in death, severe personal injury, and equipment damage . G122 .2!SAFETYFOR LIFE!SAFETYFOR LIFEviINSTALLATION, OPERATION, AND MAINTENANCE INSTRUCTIONS MN225003EN May 2021CL-7 Voltage regulator ControlProduct informationIntroductionThis document describes the operation and maintenance instructions for the CL-7 Voltage regulator control for Eaton's Cooper Power series voltage regulators.

10 Refer to document MN225008EN VR-32 and EVER-Tap Voltage regulator installation , Operation, and Maintenance Instructions for installation and operation information on Eaton's Cooper Power series Voltage this manual firstRead and understand the contents of this manual and follow all locally approved procedures and safety practices before installing or operating this equipment. Read and understand the manual detailing the installation and operation of the regulator used with this informationThese instructions cannot cover all details or vari ations in the equipment, procedures , or processes described nor provide directions for meeting every possible contin gency during installation , operation, or maintenance. For additional information, please contact your Eaton and initial inspectionThis product is completely assembled, tested, and inspected at the factory. It is carefully calibrated, adjusted, and in good condition when accepted by the carrier for receipt, inspect the carton for signs of damage.