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Type VFI, Fluid-insulated Switchgear 

INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS

   MN285006EN   March 2018

Safety for life

Eaton 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 

service.
We 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” mission.

Safety information

The 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 it.
A competent technician has these qualifications:

 

Is thoroughly familiar with these instructions.

 

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, etc.

Following is important safety information. For safe 

installation and operation of this equipment, be sure to read 

and understand all cautions and warnings.

Hazard Statement Definitions

This manual may contain four types of hazard statements:

 DANGER

Indicates an imminently hazardous situation which, if 

not avoided, will result in death or serious injury .

 WARNING

Indicates a potentially hazardous situation which, if not 

avoided, could result in death or serious injury .

 CAUTION

Indicates a potentially hazardous situation which, if not 

avoided, may result in minor or moderate injury .

NOTICE

Indicates a potentially hazardous situation which, if not 

avoided, may result in equipment damage only .

Safety instructions

Following are general caution and warning statements that 

apply to this equipment. Additional statements, related to 

specific tasks and procedures, are located throughout the 

manual.

 DANGER

Hazardous 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

 WARNING

Before installing, operating, maintaining, or testing this 

equipment, carefully read and understand the contents 

of this manual . Improper operation, handling, or main-

tenance can result in death, severe personal injury, and 

equipment damage . 

G101 .0

 WARNING

This equipment is not intended to protect human 

life . Follow all locally-approved procedures and safety 

practices when installing or operating this equipment . 

Failure to comply can result in death, severe personal 

injury, and equipment damage . 

G102 .1

 WARNING

Power 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 per-

sonnel and are not a substitute for adequate training 

and experience in safety procedures . Failure to properly 

select, install, or maintain power distribution and trans-

mission equipment can result in death, severe personal 

injury, and equipment damage . 

G122 .2

!

SAFETY

FOR LIFE

!

SAFETY

FOR LIFE

Summary of Contents for VFI

Page 1: ...Type VFI Fluid insulated Switchgear Installation Operation and Maintenance Instructions COOPER POWER SERIES Underground Distribution Switchgear MN285006EN Effective March 2018 Supersedes December 2015...

Page 2: ...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 D...

Page 3: ...binet construction 3 Standard features 3 Interrupter duty cycle 3 Switch test sequence 3 Finish 3 Nameplate 3 Operating handles 3 Weight 4 Special certifications 4 INSTALLATION PROCEDURE 4 OPERATION 5...

Page 4: ...hazardous situation which if not avoided will result in death or serious injury WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTION...

Page 5: ...e pallet Improper handling can cause damage to the switchgear If the switchgear is to be stored for any appreciable time before installation provide a clean dry storage area Be careful during handling...

Page 6: ...llation Operation and Maintenance Instructions for operation information for the RVAC switch Vacuum fault interrupters Load and fault interruption takes place within sealed vacuum interrupters Figure...

Page 7: ...37 74TM 2003 standard Padlocking provisions Provisions are included for padlocking the cabinet in order to prevent unauthorized door opening The cabinet must be locked at all times to prevent accident...

Page 8: ...tances where a UL listing is required Figure 3 VFI switchgear operating handle three phase ganged operation Figure 4 VFI switchgear operating handles single phase operation Installation procedure WARN...

Page 9: ...T223 2 5 Ground switchgear Switchgear must be adequately grounded Install a permanent low resistance ground connection to the switchgear tank Grounding provisions are provided near the bottom of the t...

Page 10: ...aintenance Instructions for operation information for the RVAC switch Loadbreak switch In most configurations a Type RVAC loadbreak switch is integrated within the VFI switchgear The switch s push to...

Page 11: ...ith sampler at the bottom of the tank If moisture is found in the tank refill with clean dry insulating fluid WARNING Hazardous voltage This equipment must be de energized and grounded prior to conduc...

Page 12: ...ry T239 2 Use the following fluid sampling guidelines to prevent contamination and to safely extract fluid samples 1 De energize and ground the switchgear prior to sampling fluid 2 Where local governi...

Page 13: ...from altering the moisture content of the sample Leave about one inch of air space in the container to account for thermal expansion 15 Retighten sampling valve to finger tight plus a 1 4 turn Reinsta...

Page 14: ...e if moisture levels are rising Refer to the Fluid sampling guidelines section in this manual If moisture levels increase determine leak point and repair Process or replace the fluid if water conent h...

Page 15: ...arts the switchgear and high voltage transformer must be placed in a suitable test cage and all proper grounding procedures must be observed With the vacuum interrupters open manual operating handle s...

Page 16: ...es Eaton com cooperpowerseries 2018 Eaton All Rights Reserved Printed in USA Publication No MN285006EN March 2018 KA20480375 Rev 09 Eaton is a registered trademark All trademarks are property of their...

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