Toshiba HV6AS Bedienungsanleitung

Document: GF07Z301 Rev. 1

INSTRUCTION MANUAL

INSTALLATION - OPERATION - MAINTENANCE

HV6AS Vacuum Circuit Breakers – Fixed Type

4.8 & 7.2kV Voltage Classes

APPLICABLE MODEL NUMBERS:

(Manual Operation Types)

HV6AS-U

HV6AS-L

(Motor Operation Types)

HV6AS-MU

HV6AS-ML

Issued: 2/2000

Supercedes First Issue Dated 2/99.

INSTRUCTION MANUAL

For the Installation, Operation and Maintenance of

HV6AS Vacuum Circuit Breakers – Fixed Type

4.8 & 7.2kV Voltage Classes

Never attempt to install, operate, maintain or dispose of this equipment until

you have first read and understood all of the relevent product warnings and

user directions that are contained in this Instruction Manual.

To contact Toshiba, address all correspondence to:

Field Service Department

Toshiba International Corporation

13131 West Little York Road

Houston, Texas 77041 USA

or call:

(713) 466-0277

(800) 231-1412

(800) 527-1204 (Canada)

Fax: (713) 466-8773

Please complete the following information for your records and retain with this manual:

Model: ___________________________________

Serial Number:_____________________________

Date of Installation: _________________________

Inspected by: ______________________________

Reference Number: _________________________

WARNING

SAFETY Page 1

IMPORTANT MESSAGES

Read this manual and follow its instructions. Signal words such as

DANGER, WARNING and CAUTION will be followed by important safety

information that must be carefully reviewed.

Indicates a situation which will result in death, serious injury, and severe

property damage if you do not follow instructions.

Means that you might be seriously injured or killed if you do not follow

instructions. Severe property damage might also occur.

Means that you might be injured if you do not follow instructions. Equipment

damage might also occur.

NOTE Gives you helpful information

READ SAFETY SIGNS

To avoid injury, you must read and follow all safety signs.

Keep the safety signs visible and in good shape. Never remove or cover any safety

signs.

DANGER

WARNING

CAUTION

Page 2 SAFETY

QUALIFIED OPERATORS ONLY

Only qualified persons are to install, operate, or service this equipment according to all

applicable codes and established safety practices.

A qualified person must:

1) Carefully read the entire instruction manual.

2) Be skilled in the installation, construction or operation of the equipment and

aware of the hazards involved.

3) Be trained and authorized to safely energize, deenergize, clear, ground,

lockout and tag circuits in accordance with established safety practices.

4) Be trained and authorized to perform the service, maintenance or repair of

this equipment.

5) Be trained in the proper care and use of protective equipment such as rubber

gloves, hard hat, safety glasses, face shield, flash clothing, etc. in

accordance with established practices.

6) Be trained in rendering first aid.

SAFETY CODES

Toshiba HV6AS vacuum circuit breakers are designed and built in accordance with JIS

C 4603-1990 and JEC-2300-1985. Installations must comply with all applicable state

and local codes, adhere to all applicable National Electric Code (NFPA 70) standards

and instructions provided in this manual.

SAFETY Page 3

HAZARDOUS VOLTAGE will cause severe injury, death, fire, explosion and

property damage.

• Turn off and lock out Primary and Control Circuit Power before servicing.

• Keep all panels and covers securely in place.

• Never Defeat, Modify, or Bypass any Safety Interlocks

• Qualified Operators only

SAFETY....................................................................................................................................................1

DANGER

Page 4 TABLE OF CONTENTS

INTRODUCTION ......................................................................................................................................6

GENERAL DESCRIPTION.......................................................................................................................7

Components..................................................................................................................................7

Indicators and Controls .................................................................................................................8

RECEIVING, INSPECTION AND HANDLING..........................................................................................9

Receiving and Unpacking .............................................................................................................9

Acceptance Inspection..................................................................................................................9

Handling and Moving ..................................................................................................................10

INSTALLATION......................................................................................................................................11

Rating Verification.......................................................................................................................11

Mounting the Circuit Breaker to a Panel .....................................................................................12

Mounting Directly to a Shelf ........................................................................................................14

Main Circuit Cable Connections..................................................................................................15

Ground Connections ...................................................................................................................16

Control Circuit Connections ........................................................................................................17

Additional Auxiliary Switch ..........................................................................................................17

PRE-ENERGIZATION CHECK ..............................................................................................................18

General .......................................................................................................................................18

Electrical Checks ........................................................................................................................18

OPERATION...........................................................................................................................................19

Manual Operation........................................................................................................................19

Electrical Operation.....................................................................................................................19

Undervoltage Trip........................................................................................................................24

MAINTENANCE .....................................................................................................................................25

Maintenance Program.................................................................................................................25

Maintenance Record...................................................................................................................25

Servicing Equipment ...................................................................................................................25

Inspection and Maintenance Types ............................................................................................26

Table 1. Tightening Torques ......................................................................................................26

Table 2. Check Points for Periodic Inspection ...........................................................................27

Vacuum Check............................................................................................................................29

DISPOSAL..............................................................................................................................................31

STORAGE ..............................................................................................................................................32

Storage........................................................................................................................................32

TABLE OF CONTENTS Page 5

Inspection During Storage...........................................................................................................32

SPECIFICATIONS..................................................................................................................................33

Table 3. Ratings – Manual Operation HV6AS-U and HV6AS-L Types ......................................33

Table 4. Ratings – Motor Operation HV6AS-MU and HV6AS-MU Types ..................................33

WARRANTY AND LIMITATION OF LIABILITY.....................................................................................34

Page 6 INTRODUCTION

It is the intent of this manual to provide a guide for safely installing, operating and maintaining Toshiba

vacuum circuit breakers. This manual consists of a section of general safety instructions and is marked

throughout with warning symbols. Read this manual thoroughly before installation, operation and

maintenance of this equipment.

This manual and all accompanying drawings should be considered a permanent part of the equipment.

They should be readily available for review and reference at all times. This manual is not intended to

cover all details, combinations, or variations of the equipment. Always refer to drawings accompanying

the equipment for additional details.

All safety warnings must be followed to ensure personal safety. General safety instructions are

found on pages 1 through 3. Read and save these instructions for future reference.

Follow all precautions to attain proper equipment performance and longevity.

Dimensions shown in the manual are in metric and/or their English equivalent.

This manual is divided into major sections of interest, as follows:

GENERAL DESCRIPTION – Provides a description of the equipment, information on major

components and how they function, plus rating information.

RECEIVING, INSPECTION AND HANDLING – Describes procedures for receiving, unpacking,

inspecting, handling, lifting and moving the circuit breaker.

INSTALLATION – Provides information on installing the circuit breaker in the switchgear cell along with

breaker racking procedures.

PRE-ENERGIZATION CHECK – Provides a checklist for preparing the equipment for energization.

OPERATION – Provides information on manual and electrical operation of the circuit breaker, circuit

diagrams, operating sequence description and operation of circuit breaker optional accessories.

MAINTENANCE – Lists the basic maintenance procedures for this equipment necessary for safe and

reliable operation.

DISPOSAL – Lists procedures for the safe disposal of the equipment when the service life has expired.

STORAGE – Provides guidelines for storing new equipment for an extended period of time.

SPECIFICATIONS – Covers ratings and other specifications of the circuit breaker.

WARRANTY AND LIMITATION OF LIABILITY – Details Toshiba International Corporation’s standard

warranty terms.

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