Eaton NOVA STS-15 Installation And Operation Instructions Manual

Also see for COOPER POWER SERIES: Installation and operation instructions Installation instructions Installation instructions Installation and operation instructions Operation instructions

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Eaton NOVA STS-15 Installation And Operation Instructions Manual Manual pdf 14 page image

9NOVA™ STS Single-Tank,Triple-Single,Electronically ControlledRecloserINSTALLATION AND OPERATION INSTRUCTIONS MN280046EN May 2016Electronic controlRefer to Service Information S280-70-7 Form 6 Triple-Single, Microprocessor-Based Pole Mount Recloser ControlInstallation and Operation Instructions for control operationinformation.Manual operation of energized recloserWARNINGHazardous voltage Do not rely on the open positionof the yellow operating handle or the contact positionindicator; it does not ensure that the line has beende-energized Always establish a visible disconnectFailure to follow proper safety practices can result incontact with high voltage, which will cause death orsevere personal injury G114 1The yellow manual operating handles on each single-phaseunit in the NOVA STS recloser are used to open and lock outeach unit and disable the electrical and supervisory closing.The recloser mode of operation determines which phasesopen and close. The Form 6 Triple-Single control initiates theclose signal. Refer to Service Information S280-70-7 Form6 Triple-Single, Microprocessor-Based Pole Mount RecloserControl Installation and Operation Instructions for controloperation information.WARNINGHazardous voltage Always use a hotstick when workingwith this equipment Failure to do so could result incontact with high voltage, which will cause death orsevere personal injury G108 1The manual operating handle is designed to be operatedwith a hotstick. See Figure 10. Pulling down the handle tripsand locks open the main contacts of the recloser. Contactposition is indicated by the OPEN flag of the contactposition indicator. The yellow operating handle will remaindown in the OPEN position and not return upward under thesleet hood.otee:N When the recloser electronically operates to lockout,the yellow operating handle will not drop down fromunder the sleet hood. The yellow operating handleremains in the OPEN position only after manualoperations are performed.The yellow operating handle must be returned up to theCLOSED position for the recloser to respond to a closesignal from the Form 6 Triple-Single control. All closeoperations are initiated by the control.IMPORTANTPushing the yellow operating handle to the CLOSED posi-tion will not close the recloser. All close operations are initi-ated by the Form 6 Triple-Single control.3-Phase trip/3-phase lockout or 1-phase trip/3-phaselockoutIf the control is in Three-Phase Trip/Three-Phase Lockoutor Single-Phase Trip/Three-Phase Lockout mode, all threephases will lock out when the yellow operating handle onone phase is pulled down to the OPEN position.1-Phase trip/1-phase lockoutWhen the control is in Single-Phase Trip/Single-PhaseLockout mode, only the phase with the yellow handlepulled down to the OPEN position will lock out. The othertwo phases will not be affected and their yellow operatinghandles will remain in the CLOSE position.Lockout indicationLockout is indicated by the Form 6 Triple-Single control.otee:N When the recloser is locked out, the yellow manualoperating handle will not drop down from under thesleet hood.Automatic operationThe NOVA STS recloser, in the CLOSED position, operatesautomatically per the control-programmed settings.Figure 10 NOVA STS recloser operating handles andindicatorsContact position indicatorLocated on the outboard side of the sleet hood, thisindicator displays the word OPEN (Green) when the reclosercontacts are open and CLOSED (Red) when the reclosercontacts are closed. See Figure 10.Operations counterA four-digit mechanical counter, located under the sleethood shown in Figure 10, cumulatively records each timethe recloser operates.