Toshiba JK Series Instruction Manual
720 ampere medium voltage controllers
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- Page 1 Document: VF010H02 Rev. 3 INSTRUCTION MANUAL INSTALLATION – OPERATION – MAINTENANCE JK Series 720 Ampere Medium Voltage Controllers Issued: 2/15 Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com...
- Page 2 Basic Installation and Operation Guide JK Series 720 Series Controllers Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com...
- Page 3 The sales contract contains the entire obligation of Toshiba International Corporation. The warranty contained in the contract between the parties is the sole warranty of Toshiba International Corporation and any statements contained herein do not create new warranties or modify the existing warranty.
- Page 4 Toshiba International Corporation. © Copyright 2015 Toshiba International Corporation. TOSHIBA® is a registered trademark of Toshiba Corporation. All other product or trade references appearing in this manual are registered trademarks of their respective owners.
- Page 5 JK 720 Series Controllers Contacting TIC’s Customer Support Center Toshiba International Corporation’s Customer Support Center can be contacted to obtain help in resolving any system problem that you may experience or to provide application information. The Support Center is open from 8 a.m. to 5 p.m. (CST), Monday through Friday. The Center’s toll free number is US (800) 231-1412/Fax (713) 937-9349 CAN (800) 872-2192 MEX 01 (800) 527-1204.
- Page 6 Basic Installation and Operation Guide JK 720 Series Controllers General Safety Information DO NOT attempt to install, operate, maintain, or dispose of this equipment until you have read and understood all of the product safety information and directions that are contained in this manual. Safety Alert Symbol The Safety Alert Symbol is comprised of an equilateral triangle enclosing an exclamation mark.
- Page 7 DO NOT remove or cover any of these labels. If the labels are damaged or if additional labels are required, contact the Toshiba Customer Support Center. Labels attached to the equipment are there to provide useful information or to indicate an imminently hazardous situation that may result in serious injury, severe property and equipment damage, or loss of life if safe procedures or methods are not followed as outlined in this manual.
- Page 8 Toshiba Customer Support Center. • Inspections may be required after moving the equipment. • Contact your Toshiba Customer Support Center to report discrepancies or for assistance, if required. Handling and Storage • Use proper lifting techniques when moving the equipment, including properly sizing up the load, getting assistance, and using a forklift, if required.
- Page 9 Basic Installation and Operation Guide JK 720 Series Controllers Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com...
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Page 10: Table Of Contents
Basic Installation and Operation Guide JK 720 Series Controllers Table of Contents PAGE RECEIVING, HANDLING/MOVING, AND UNPACKING ................. 1 Receiving and Unpacking ......................1 Handling and Moving ........................1 Using a Forklift ..........................1 Overhead Lifting ..........................2 Initial Inspection ..........................2 LOCATION ............................... - Page 11 Basic Installation and Operation Guide JK 720 Series Controllers OPERATION ............................26 Initial Energization ........................26 MAINTENANCE ..........................27 Maintenance Record ........................27 General Inspection ........................28 Electrical Joints ........................... 28 Power Fuses ..........................29 Vacuum Contactor ........................29 Isolation Switch ........................... 30 Switch Handle Mechanism ......................
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Page 12: Receiving, Handling/Moving, And Unpacking
Upright th e units as soon as po ossible and im mmediately no otify the neare est Toshiba re epresentative • Carefully u unpack the u nit and make e an immedia ate inspection... -
Page 13: Overhead Lifting
Equipment sh hould be store ed where it is not subject to o mechanical damage, esp pecially Fig. 4 Storag TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 14: Outdoor Equipment
A minimum of 48 inches working space should be allowed in front of the controller. This minimum should be increased if necessary to accommodate movement around open enclosure doors to comply with applicable codes. TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 15: Service Conditions
Fig. 5 Typical Space Heater Service Conditions Toshiba medium voltage controllers are intended for usual service conditions as defined by NEMA. The equipment should not be exposed to corrosive or explosive fumes, dusts, vapors, dripping or standing water, abnormal vibration, shock, tilting, or other abnormal operation conditions. The temperature of the ambient air surrounding the controller should be between the limits of 0°C (32°F) and +40°C (104°F). -
Page 16: Mounting
Each section contains a vertical ground bus extending from the main ground bus or ground pad to each controller compartment. Fig. 8 Main Ground Bus TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... - Page 17 NEC 250 and run with the main supply conductors or by bonding to the raceway enclosing the main supply conductors in accordance with NEC 250. TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com...
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Page 18: Medium Voltage Power Connections
8 - 16 Bus - Gla astic Ins. nstallation mu ust be replace Bus - Porc elain Ins. 6 - 18 M 12 Fig. 10b Torq que Specs fo r Bus Conne ections TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... - Page 19 Fig. 12 M Main Bus Spl lice Connect tions - 2000A (Consult t Factory For r 3000A Main n Bus Splice TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com...
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Page 20: Incoming Line
Fig. 14 Contr roller Load W Wiring - Botto om Entry TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 21: Pre-Energization Check
Fig. 16 Check Connections A supply of spare parts, fuses, etc. should be established. Instruction manuals and diagrams should be collected and filed. TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 22: Wiring Check
A circuit transformer must not be operated with its secondary windings open. Changes made to circuit diagrams during installation should be recorded. Fig. 18 Removing Current Transformer Shorting Jumpers TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 23: Device/Mechanism Checks
Power circuit fuses were selected and installed in accordance with the application requirements. Fuses must be completely inserted in their holders. Instructions on removing and installing the fuses can be found in this manual. Fig. 20 Overload Setting Check TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 24: Electrical Checks
High potential test should be performed only by WARNING qualified personnel. Refer to safety instructions provided with the test equipment. All devices must be set to their normal or OFF position before energizing incoming power. TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 25: General Description
Basic Ins stallation a and Operat tion Guide JK 72 20 Series C Controllers GENERAL DESCRIPT TION Toshiba JK 7 720 ampere medium volta age controlle ers are AC general-purpo ose NEMA C Class E2 co ontrollers des signed for... -
Page 26: Controller Compartment
The switch is also provided with lock-out provisions (Fig. 24). The isolation switch has a maximum interrupting capacity of 0.4 amperes. Do not connect additional load to the isolation WARNING switch. Fig. 24 Isolation Switch Lockout TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 27: Vacuum Contactor
Basic Installation and Operation Guide JK 720 Series Controllers B. Vacuum Contactor The Type HCV-6KAU vacuum contactor (Fig. 25) used in Toshiba JK 720 ampere controllers is a compact, fix-mounted device. It is mounted to the floor of the controller compartment, beneath the isolation switch. -
Page 28: Control Power Transformer
An electrical interlock is provided to ensure that all load is disconnected from the control power transformer secondary winding before the power isolation switch can be opened or closed. Fig. 28 Optional Transformer TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 29: Operating Handle
Door Interlock A mechanical interlock is provided to prevent opening or closing the medium voltage compartment door unless the switch operating handle is off (Fig. 30). Fig. 30 Door Interlock TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 30: Handle Interlock
If the switch handle is in an intermediate position, and a closing signal is given to the contactor, it is mechanically prevented from operating. Fig. 32 Handle Interlock to Vacuum Contactor TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 31: Interlocks - Electrical
120VAC power for performing control circuit operational tests while the medium voltage circuit is de- energized. The CPI(s) prevent the high voltage back feeding on the CPT (PT) primary. Fig. 34 Test Power Receptacle TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 32: Low Voltage Compartment
A horizontal low voltage wireway is provided at the lower front of the low voltage compartment. At each end of the horizontal wireway there is an opening for inter- cubicle control wiring. TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 33: Main Bus Compartment
Fig. 36b Ma ain Bus (300 00A) Compar rtment Fig. 37 Bus S Splice Links TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 34: Contactor Ratings
4.8A Peak @ 125Vdc A latched contactor is the same as magnetically-held type, except number of auxiliary contacts is reduced to 2 N.O. - 2 N.C. Standard operating voltage is 120Vac Close/125Vdc Trip. TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 35: Controller Ratings
60 kV BIL 10,800 A @2.3-6.6kV 4320 A 22 kVac 400A4.6kV (7.2kV Max) 570@6.6kV Table 3 Continuous Current Rating Enclosure Type Max. Continuous Amperes One-High Controller NEMA-1 Ventilated NEMA-1 Non-Ventilated NEMA-12, 3R TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 36: Horsepower Table
2500 2750 2500 4500 5000 4500 C.F. 6000 * - Motor FLA depends on manufacturer, speed, and other factors which must be considered. C.F. – Consult factory with your application requirements. TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 37: Operation
Fig. 39 Closing Isol lation Switch TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 38: Maintenance
The following g pages deta ail maintenan ce procedure es recommen nded for Toshiba JK 7 720 ampere medium vol ltage controll lers. In gene eral, the following item s should be in ncluded on th... -
Page 39: General Inspection
Thoroughly dry any insulation which shows signs of wetness and repeat the dielectric test procedure given in the PRE-ENERGIZATION CHECK. Replace insulators, if necessary. Check for any signs of rusted or corroded parts. Check for free movement of all moving parts and mechanisms. Lubricate, if necessary, with Toshiba B9 grease. WARNING Grease is conductive. -
Page 40: Power Fuses
JK 720 Series Controllers Power Fuses The power fuses supplied in Toshiba JK 720 ampere controllers are of the bolt-in or clamp-in type, therefore overheating due to loss of fuse clip pressure is not a problem. The tightness of the fuse clamping bolts (Fig. -
Page 41: Isolation Switch
Lubricate the moving parts of the handle mechanism and, if necessary, apply a light coat of Toshiba B9 grease to the inside contact surfaces of the switch blades. Contact the equipment supplier or the factory to obtain B9 grease if required. -
Page 42: Switch Handle Mechanism
The moving jo oints of all link kages should be occasiona ally lubricated d with a light c coat of Toshib ba B9 grease TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 43: Interlocks
(Fig. 49). Check the con ndition of the primary fuses s and fuse cli ps. Check all screws for tightness. Fig. 49 Inspe ect Control Power Trans former TOSHIBA Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com... -
Page 44: Maintenance After A Fault Condition
Operate the vacuum contactor electrically from test power and observe that it opens and closes freely. If the vacuum bottles show any sign of binding, they should be replaced. Contact your Toshiba representative. Check for any sign of arcing damage to the insulated housing.