Page 1: Table Of Contents
Vista Underground Pad-Mounted, Vault-Mounted, and UnderCover™ Styles ® Distribution Switchgear Installation and Operation of Portable Motor Operator Table of Contents Section Page Section Page Introduction Components Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 General .
Page 2: Introduction
Introduction Qualified Persons WARNING The equipment and components covered by this publication must be installed, operated, and maintained by qualified persons who are knowledgeable in the installation, operation, and maintenance of underground electric power distribution equipment along with the associated hazards . A qualified person is one who is trained and competent in: •...
Page 3: Safety Information
Safety Information Understanding Several types of safety-alert messages may appear throughout this instruction sheet and on labels and tags attached to the Vista Underground Distribution Switchgear and Safety-Alert portable motor operator. Familiarize yourself with these types of messages and the Messages importance of these various signal words: DANGER...
Page 4: Location Of Safety Labels
Safety Information Location of Safety Labels Reorder Information for Safety Information Location Safety Alert Message Description Part Number CAUTION Never Drill Into Housing G-10043 CAUTION Not Designed for Permanent Installation G-10047 S&C Instruction Sheet 681-525...
Page 5: Safety Precautions
Safety Precautions DANGER portable motor operator used with Vista Underground Distribution System contains high voltage. Failure to observe the precautions below will result in serious personal injury or death. Some of these precautions may differ from company operating procedures and rules .
Page 6: Components
Components General The portable motor operator has been carefully designed to allow users to power operate, from a remote location, load-interrupter switches and single-pole or three-pole fault interrupters in Vista Underground Distribution Switchgear. The portable motor operator is a lightweight operator that can quickly and easily be attached without tools to UnderCover, vault-mounted, and pad-mounted styles of Vista switchgear.
Page 7: Installation
Installation Installing the Portable Motor Operator Follow these steps to install the portable motor operator: STEP 1. Observe the position of the operating disk and selector lever on the load-interrupter switch way or single-pole or three-pole fault-inter- rupter way to which the portable motor opera- tor is to be installed.
Page 8 Installation Before operating to the Grounded position, always make sure the cables connected to the load-interrupter switch or fault interrupter are de-energized. Check for voltage using the POTEN- TIAL indicator (option suffix “-L1” or “-L2”), if furnished, as instructed under the “Checking for Voltage Using Optional Voltage Indication”...
Page 9 Installation NOTICE The position lever of the portable motor operator may need to be manually rotated slightly from side to side to allow the output shaft to line up with the operating shaft on the gear . STEP 4. When the portable motor operator is seated on Stop ring the operating shaft of the gear, release the latching lever.
Page 10 Installation STEP 6. Connect the control power cable to the porta ble motor operator and to the control power source. See Figures 7 through 9. Control power cable Control power source (user- furnished 24-Volt battery shown) Figure 7. Connecting the control power cable to user-furnished 24-Volt battery.
Page 11 Installation STEP 7. If the power source is an S&C-furnished ac-input power supply, insert its three-prong plug into a grounded 120-Vac power receptacle. Be sure to check that the LEDs labeled “DC 24V” and “LOAD 2L+” are lit on the power supply, as shown in Figure 10.
Page 12: Operation
Operation Opening, Closing, or Grounding WARNING Do not operate this switchgear if the SF -gas pressure gauge is in the red zone . Fail ure to follow this precaution can result in a flashover and equipment damage. STEP 9. Make sure the SF -gas pressure gauge is in the green zone (or the green and yellow striped zone) by lifting the viewing window cover under...
Page 13 Operation STEP 11. WARNING ALWAYS make sure the cables con- nected to the load-interrupter switch or fault interrupter are de-energized before grounding the switchgear . Failure to fol low this precaution can result in a flashover and equipment damage. To operate the portable motor operator, press and hold the ENABLE button on the remote control and press the appropriate CLOSE, OPEN, or GROUND pushbutton.
Page 14: Removal
Removal Removing the Portable Motor Operator Follow these steps to remove the portable motor operator: To remove the portable motor operator, hold the STEP 13. latching lever in the Open position and lift the portable motor operator up, off the operat ing shaft of the gear.
Page 15: Troubleshooting
Troubleshooting If the Remote Control READY Light Does Not Table 1. LED Display on the S&C-Furnished Ac-Input Power Supply Light Follow these steps if the READY light does not light: LED ON LED OFF LABELLED FLASHES STEP 16. Check to make sure the control cable is properly connected to both the portable motor operator No output 24 Vdc across...

This manual is also suitable for:

Vault-mounted series Undercover series