Toshiba HCV-6KAU User Manual
Document: VF010H08A
INSTRUCTION MANUAL
INSTALLATION - OPERATION - MAINTENANCE
HCV-6KAU Vacuum Contactor, 7.2kV – 720A – 7.2kA
HCV-6KALU Vacuum Contactor, 7.2kV – 720A – 7.2kA
Issued: 12/05
Manufactured in the USA
TOSHIBA
INSTRUCTION MANUAL
For the Installation, Operation and Maintenance of
HCV-6KAU Vacuum Contactor, 7.2kV – 720A – 7.2kA
HCV-6KALU Vacuum Contactor, 7.2kV – 720A – 7.2kA
Never attempt to install, operate, maintain or dispose of this equipment until
WARNING
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: _________________________
© TOSHIBA INTERNATIONAL CORPORATION, 2004
you have first read and understood all of the relevant product warnings and
user directions that are contained in this Instruction Manual.
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.
DANGER
WARNING
CAUTION
NOTE Gives you helpful information
Note: The contents of this manual will not become apart of or modify the warranty policy. The
terms of which are set forth at the end of this manual.
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.
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.
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, de-energize, 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 HCV-6KAU and HCV-6KALU vacuum contactors are designed and built in
accordance with NEMA ICS 3-2, UL 508, CSA 22.2-14 and IEC 60470. 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
DANGER
• 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
property damage.
Page 4 TABLE OF CONTENTS
SAFETY...................................................................................................................................................... 1
INTRODUCTION ........................................................................................................................................6
GENERAL DESCRIPTION.........................................................................................................................7
Components....................................................................................................................................7
Indicators and Controls ...................................................................................................................7
Figure 1 – Contactor Structure........................................................................................................7
RECEIVING, INSPECTION AND HANDLING ...........................................................................................8
Receiving and Unpacking ...............................................................................................................8
Acceptance Inspection ....................................................................................................................8
Handling and Moving ......................................................................................................................8
Figure 2 – Location of the Wear Gauge ..........................................................................................8
INSTALLATION..........................................................................................................................................9
Ambient Conditions ......................................................................................................................... 9
Mounting the Contactor...................................................................................................................9
Main Circuit Cable Connections......................................................................................................9
Ground Connections ....................................................................................................................... 10
Control Circuit Connections ............................................................................................................10
Figure 3 – Ground Connection Location .........................................................................................10
Figure 4 – Drive Unit Location.........................................................................................................10
PRE-ENERGIZATION CHECK ..................................................................................................................11
General ...........................................................................................................................................11
Electrical Checks.............................................................................................................................11
OPERATION...............................................................................................................................................12
Moving Contactor from the OFF to ON Position ............................................................................. 12
Moving Contactor from the ON to OFF Position ............................................................................. 12
Figure 5 – Internal Configuration of Drive Unit................................................................................13
Figure 6 – Internal Connection of the Normally Energized Type ....................................................13
Figure 7 – Internal Connection of the Latched Type....................................................................... 14
Figure 8 – Standard Operation Circuit of the Normally Energized Type ......................................... 14
Figure 9 – Standard Operation Circuit of the Latched Type (Shunt Trip)........................................15
Figure 10 – Standard Operation Circuit of the Latched Type (Capacitor Trip)................................15
MAINTENANCE .........................................................................................................................................16
Maintenance Program.....................................................................................................................16
Maintenance Record ....................................................................................................................... 16
Servicing Equipment ....................................................................................................................... 16
Inspection and Maintenance Types ................................................................................................17
Table 1 – Tightening Torque ...........................................................................................................17
TABLE OF CONTENTS Page 5
Table 2 – Check Points for Periodic Inspection ..............................................................................18
Table 3 – Gap/Wipe Standard Values (contactor in new condition)................................................20
Vacuum Check................................................................................................................................21
Figure 11 – Toshiba Portable Vacuum Checker ............................................................................. 21
Figure 12 – Application of Test Voltage for Vacuum Check............................................................22
Electrical Service Life...................................................................................................................... 23
Mechanical Service Life ..................................................................................................................23
Figure 13 – Wipe Measurement......................................................................................................23
Service Life – Capacitor Switching..................................................................................................23
Table 4 – Recommended Part Replacement Intervals ................................................................... 23
Figure 14 – Capacitor Switching Life ..............................................................................................23
STORAGE AND DISPOSAL ...................................................................................................................... 24
Storage............................................................................................................................................24
Inspection during Storage ...............................................................................................................24
Disposal
SPECIFICATIONS...................................................................................................................................... 25
Table 5 – Ratings............................................................................................................................ 25
WARRANTY AND LIMITATION OF LIABILITY ........................................................................................26
Page 6 INTRODUCTION
It is the intent of this manual to provide a guide for safely installing, operating and maintaining Toshiba
vacuum contactors. 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 contactors.
INSTALLATION – Provides information on installing the contactor.
PRE-ENERGIZATION CHECK – Provides a checklist for preparing the equipment for energization.
OPERATION – Provides information on operation of the contactor, circuit diagrams, operating
sequence description.
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 contactor.
WARRANTY AND LIMITATION OF LIABILITY – Details Toshiba International Corporation’s standard
warranty terms.
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