S&C Vista User Manual

Remote Supervisory Vista
®
Underground
Distribution Switchgear
Outdoor Distribution (15.5 kV through 38 kV)
Pad-Mounted, Dry-Vault-Mounted, Wet-
Vault-Mounted, and Undercover™ Styles
September 25, 2023
© S&C Electric Company 1999-2023, all rights reserved
Instruction Sheet 682-510
Operation
This green leaf icon designates information specically for Vista Green Underground Distribution Switchgear
that uses an eco-friendly insulating gas. Unless otherwise designated, instructions provided apply to all manual
Vista switchgear products.
Table of Contents
Introduction � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 2
Qualified Persons � � � � � � � � � � � � � � � � � � � � � � � � � � � �2
Read this Instruction Sheet � � � � � � � � � � � � � � � � � � � �2
Retain this Instruction Sheet� � � � � � � � � � � � � � � � � � � �2
Proper Application � � � � � � � � � � � � � � � � � � � � � � � � � � �2
Warranty � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3
Safety Information � � � � � � � � � � � � � � � � � � � � � � � � 4
Understanding Safety-Alert Messages � � � � � � � � � � � �4
Following Safety Instructions � � � � � � � � � � � � � � � � � � �4
Replacement Instructions andLabels � � � � � � � � � � � �4
Location of Safety Labels � � � � � � � � � � � � � � � � � � � � � �5
Safety Precautions � � � � � � � � � � � � � � � � � � � � � � � 6
Components � � � � � � � � � � � � � � � � � � � � � � � � � � � � 7
Overview of Components � � � � � � � � � � � � � � � � � � � � � �7
Operation � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 12
Manually Opening, Closing, or
Grounding a Way � � � � � � � � � � � � � � � � � � � � � � � � �12
Locking Out Grounded Position � � � � � � � � � � � � � � � �16
Locking In Closed, Open, or Grounded Position � � �17
Electrically Opening, Closing, or Grounding aWay �18
Motor Operator Decoupling � � � � � � � � � � � � � � � � � � �22
Checking for Voltage Using Optional VOLTAGE
Indicator � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �24
Low-Voltage Phasing Using Optional VOLTAGE
Indicator with Phasing � � � � � � � � � � � � � � � � � � � � �27
Maintenance � � � � � � � � � � � � � � � � � � � � � � � � � � � � 29
Components � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 29
Returning Equipment to Service � � � � � � � � � � � � � � � 30
Enclosure Finish � � � � � � � � � � � � � � � � � � � � � � � � � � � �31
Maintenance Recommendations in Extremely
Corrosive Environments � � � � � � � � � � � � � � � � � � � �31
Dielectric Testing� � � � � � � � � � � � � � � � � � � � � � � � 32
Routine Switchgear Testing � � � � � � � � � � � � � � � � � � 32
Cable Testing and Fault Locating � � � � � � � � � � � � � � 33
Fault-Interrupter Testing � � � � � � � � � � � � � � � � � � � � � 34
Resistance Measurement � � � � � � � � � � � � � � � � � � � � 35

S&C Vista Specifications

General

Brand	S&C
Model	Vista
Category	Industrial Equipment
Language	English