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Toshiba H6A-HLS Vacuum Cleaner User Manual

1. 2 2 VTANSPOM 10 2B SLOLAQS wanes E EE 12 esta in Katot 13 3 1 Mounting the Drawout 13 3 2 Inserting the VCB into the Cell 14 4 OperatiOmn sila saita vba 16 44 Manual OMG ration 16 4 2 Electrical Operations sas ab ges 19 4 3 Control N TO ee tek aed 20 5 Main Circuit Connections and Disconnecting Removing the VCB 22 5 1 Connecting the Main Circuit 22 6 Maintenance INSpections ana nananana nananana a aa nananana 23 6 1 During Maintenance Inspections 24 6 2 Types of Maintenance and Inspection Work 24 6 3 Inspection Frequency isi sessa A STAT STA SAAS INA TNA ieee ia 24 6 4 Periodic Inspection Checkpoints 25 6 5 Vacuum Check ioc Sel VEM ee on ee ei 26 General Safety Information DO NOT attempt to install operate maintain or dispose of this equi
2. ACI 7kV Suitable vacuum Dielectric domain breakdown characteristics kV 0 13 13 101x107 Pa Vacuum level 19 35 10 760 Torr Figure 25 Dielectric Breakdown Characteristics 29 30 31 TOSHIBA Leading Innovation gt gt gt TOSHIBA TOSHIBA INTERNATIONAL CORPORATION INDUSTRIAL DIVISION 13131 W Little York Road Houston TX 77041 U S A Tel 713 466 0277 US 1 800 231 1412 Fax 713 466 8773 www toshiba com ind
3. VCB up to the connected position The interlock lever cannot be raised when the switching status of the VCB is set to ON Perform the open circuit operation and set the switching status to OFF 22 6 Maintenance Inspections A WARNING To prevent electric shock turn off the power before starting maintenance and inspections To prevent electric shock or other injury check to make sure that the unit status indicators read OFF and DISCHARGED before beginning maintenance and inspection work To prevent electric shock do not touch charged parts Keep fingers and other body parts objects etc away from the unit mechanism as you may become caught in the mechanism and injured To prevent electric shock or other injury do not attempt to modify the lock mechanism on the disconnecting switch mounted on the unit power side Hazardous voltage can cause serious injury or death Make sure maintenance and inspection work is performed only by authorized personnel The VCB should be maintained and inspected periodically to maintain performance and ensure a long service life Operating and environmental conditions will usually dictate the frequency of inspection required NFPA Publication 70B Electrical Equipment Maintenance may be used as a guide for setting up the maintenance program Contact with energized components can cause severe injury death and A property damage Turn off and lock out prim
4. to Storage 2 1 Receipt and Unpacking Each VCB unit is carefully tested and inspected prior to shipment so it can be used as soon as it has been unpacked However just in case something should be amiss you should check the following 1 When the box is delivered check to make sure it is not damaged or warped 2 Remove the unit from the box carefully to avoid damaging it A CAUTION To prevent injury or damage to the equipment make sure the unit is standing straight up NEVER lay it on its side or place it upside down 3 Make sure the accessories see Tables 4 amp 5 are present and no parts are missing or damaged A WARNING To prevent electric shock or other injury do not use the unit if it has been damaged 4 Contact your dealer in the event of missing parts damage etc Table 4 List of Accessories VCB Part Appearance Quantity B9 grease Handle with mounting screw shipped together with the VCB unit Table 5 List of Accessories Drawout Cell Part Control cable Appearance Quantity 2m 2 2 Transport Use the proper procedures when moving or transporting the unit A CAUTION Failure to use the proper authorized methods may damage the unit or cause it to fall resulting in injury 2 2 1 Transporting U Type VCBs main circuit terminals on top left and right Figure 2 Hois
5. 10 M10 24 5 to 30 9 N m 30 to 40 kgf cm 250 to 315 kgf cm 6 4 90 to 6 37 N m M12 44 1 to 55 4 N m 50 to 65 kgf cm 450 to 565 kgf cm Table 5 Tightening Torque 3 2 Inserting the VCB into the Cell Outside the cell disconnected position Perform the steps shown in Figures 6 through 10 in that order Figure 6 Open the B9 grease provided with the Figure 7 Place the VCB on the lifter unit and apply it to the ends of the six contacts Figure 8 Align the hole on the lifter with the Figure 9 Hold the handle with both lifter pin on the cubicle and remove the VCB hands and with the interlock lever in holding pin on the draw out unit side the raised position insert the VCB into the panel 14 Figure 10 Align the positioning arrow on the VCB with the disconnect position and release the interlock lever Check to make sure the interlock lever has returned to its former position Insert the VCB holding pin 15 Location of VCB holding pin with chain 4 Operation Failure to take the opportunity to discover abnormalities can result in injuries and equipment damage Always check to make sure that the ON and OFF indicators are correct before operating the equipment A CAUTION 4 1 Manual Operation To avoid damaging the equipment do not close the circuit when A CAUTION the unit switching indicator is ON 4 1 1 Closing the Circuit Check to make sure that t
6. 120VAC control power is present at the terminals of the UV TC4 trip coil When the circuit breakers are shipped the Undervoltage trip device is defeated by a factory installed plug Figure 18 If this plug is left in place the circuit breaker will operate normally without power applied to the UV coil Removing this plug Figure 19 activates the undervoltage trip function Figure 18 Plug Installed in UV Trip Device Figure 19 Remove Plug From UV Trip Device 21 5 Main Circuit Connections and Disconnecting Removing the Circuit Breaker from the Cell 5 1 Connecting the Main Circuit disconnected position to connected position Perform the steps shown in Figures 20 through 21 in that order To avoid damaging the equipment do not connect or disconnect the A WARNING main circuit when the unit switching status is ON To prevent electric shock or other injury do not bend or modify the in out interlock attached the unit To avoid injury and damage to the equipment do not remove the holding pin unless you are moving the VCB outside the panel A CAUTION To prevent electric shock or other injury follow the instructions given in the instruction manual when moving the equipment in or out of the panel Figure 20 Insert the control circuit Figure 21 Grasp the handle with both hands connector into the port on the VCB and with the interlock lever in the raised position insert the
7. Places subject to frequent and or strong rainstorms or snowstorms When there is a cooling tower or other large water source nearby Where there is condensation which forms when the humidity in the cubicle drops dramatically Reduce the size of the ventilation duct Make sure the wind does not blow directly at the location where the ventilation duct is installed Install a filter Use a cubicle construction that will prevent condensation from forming Use a cubicle construction that will prevent the wind from blowing directly into the cubicle Install a space heater Corrosive gases When corrosive gases are produced at plants handling raw materials at water treatment plants in hot springs regions etc hydrogen chloride sulfurous acid nitrogen oxide ammonia chlorine ozone etc or other gases Use a cubicle construction that enables the cubicle to be blocked off from the outside air to the greatest extent possible Install a filter Applicable standards pertaining to switching surges Consult Table 2 for the standards applicable to VCB switching surges Table 2 Applicable Standards Pertaining to Switching Surges Circuit Load type breaker Rotating Dry type Oil immersed When there is Phase advance type machine 1 transformer transformer electronic capacitor a 5 insulation insulation equipment on resistance resistance transformer belo
8. TOSHIBA Leading Innovation gt gt gt Document GF07Z313 INSTALLATION amp OPERATION MANUAL HV6CS Vacuum Circuit Breakers Drawout Type 7 2kV Voltage Class APPLICABLE MODEL NUMBER Motor Operation Type HV6CS MLD Drawout Cell H6A HLS Issued December 2012 Important Notice The instructions contained in this manual are not intended to cover all details or variations in equipment types nor may it provide for every possible contingency concerning the installation operations or maintenance of this equipment Should additional information be required contact your Toshiba Customer Support Center The contents of this manual shall not become a part of or modify any prior or existing agreement commitment or relationship 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 Any electrical or mechanical modifications to this equipment without the prior written consent of Toshiba International Corporation may void all warranties or other safety certifications Unauthorized modifications may also result in safety hazard or equipment damage Misuse of this equipment could result in injury and equipment damage In no event will Toshiba International Corporation be responsible
9. ary and control circuit power before servicing Improper maintenance can cause severe injury death and property damage A WARNING only qualified and authorized persons are to install operate or service this equipment Grease is conductive Do not allow grease or any other substances to A WARNING contaminate insulating materials Contaminated insulators can allow a short circuit or ground fault to occur MAINTENANCE RECORD Keep a permanent record of all maintenance work At a minimum this record should include 1 Items inspected 2 Reports of any testing 3 Equipment condition 4 Corrective actions or adjustments 5 Date of work 6 1 During Maintenance Inspections Before inspecting the electrical circuits take the following measures to prevent electric shock 1 After opening circuit for the VCB open the disconnect switch on the power source side to place the main circuit and control circuits of the VCB in no voltage status 2 Lock the disconnect switch to prevent operation and label it with an INSPECTION IN PROGRESS tag 3 Using a voltage detector check to make sure that the circuits are in no voltage status and ground the necessary circuits Discharge the residual charge from capacitors and cables before grounding Space heaters resistors and other units will remain hot even after they have been turned off Install a protective cover temporarily or wait until after the units ha
10. ay from the circuit breaker during the vacuum check test Hazardous voltages are present during dielectric testing which A WARNING result in severe injury or death Only qualified personnel should conduct this testing See Figure 23 for sample withstand voltage test circuit 0 3kVA 100V 3OKV Pow 0 150V ap V Power Voltage A regulator J N VCB Figure 23 Sample Withstand Voltage Test Circuit 27 TEST PROCEDURE 1 The circuit breaker should be disconnected from the main circuit and be in the OFF position 2 Connect all the line side primary terminals together and to the output of the vacuum checker or AC hi pot machine Connect all the load side primary terminals together and to the ground terminal of the vacuum checker or AC hi pot machine 3 Increase the voltage from zero to 22kV AC at a rate of approximately 2kV per second Hold the voltage at this value for 1 minute and observe the current drawn by the interrupter Note If the ammeter fluctuates violently as the voltage increases to AC22 kV repeat the voltage increase procedure two or three times If the current still rises when the voltage is increased the vacuum level may be insufficient replace the vacuum interrupter 1 minute 22kV AC 31kV DC 4 Decrease the voltage back to zero CRITERIA 1 If a current flow above 5 milliamperes is observed or if breakdown occurs one or more of the interrupters has ins
11. d 6 4 Periodic Inspection Checkpoints Table 8 Periodic Inspection Checkpoints No Location Item Inspection Criteria Disposition Remarks method 1 Operating Loose bolts Tighten using Make sure all Tighten if See Table mechanism nuts or screws screwdriver or bolts nuts and loose 6 for wrench screws are tight tightening torque Dust or foreign Visual Make sure there is Wipe with a dry matter inside inspection no dust or foreign cloth matter Indicator Visual Make sure Check the operation inspection switching statusis cause and properly displayed repair Part warping Visual Make sure no Check the inspection parts are warped cause and or missing repair Smooth action Manual Make sure action If action is not operation is smooth and smooth apply Visual shafts turn a small amount inspection smoothly of lubricant or touch See Lubrication Manual 2 Main circuit Discoloration Visual Make sure there is Check the due to heat from inspection no discoloration cause and conducting parts repair Loose bolts Tighten using Make sure all Tighten if See Table nuts or screws a wrench bolts nuts and loose 6 for screws are tight tightening torque Dust on surface Visual Make sure there is Wipe with a of interrupter inspection no surface dust clean dry cloth 25 No Locatio
12. he switching status is set to OFF 4 1 1 1 For Motorized Spring operated VCBs Attach the handle using the steps shown in Figures 11 and 12 in that order The manual charging handle shall be applied for emergency case and maintenance purpose only remove not install the handle at normal service condition Figure 11 Attach the handle provided with Figure 12 Using the small screw M5 the unit to the handle shaft Check to make provided fasten the handle in position sure that the handle has been securely The tightening torque should be 2 94 to connected to the shaft small screw M5 3 92 N m 30 to 40 kgf cm 1 When the spring is released Perform the steps shown in Figures 13 and 14 in that order CHARGING HANDLE I EN H 9 AA CLOSED Cs LEVER m NN a O O Figure 14 Press the closed lever green in the direction of the arrow to close the circuit When the switching status
13. ies Underrated equipment can fail during operation causing fire explosion severe injury death and property damage TOSHIBA VACUUM CIRCUIT BREAKER TYPE HV6CS MLD RATED VOLTAGE _7 2 kV RMS SHORT CKT AMPS 12 5 RMS FREQUENCY 50 60 Hz INTERRUPTING TIME 3_CYCLES CONTINUOUS AMPS 600A RMS CLOSE VOLTS 125 VDC IMPULSE LEVEL 60 kV CREST SHUNT TRIP VOLTS VDC 22 kV AC RMS UV TRIP VOLTS 120 VAC 38 kg 84 Ibs MFG STANDARD JIS 4603 1990 DIELECTRIC WEIGHT JEC 2300 1985 PARTS amp WIRING SEE INSTRUCTIONS GF072313 SER No MFG DATE TOSHIBA INTERNATIONAL CORPORATION HOUSTON TEXAS U S A Typical Circuit Breaker Nameplate 3 1 Mounting the Drawout Cell 3 1 1 Mounting in the panel To install the draw out unit perform the steps shown in Figures 4 and 5 in that order Figure 5 Crimp the crimp on terminal provided with the unit to the grounding wire Figure 4 Fasten the drawout cell to the panel with and use the hexagonal bolt M8 to fasten it the 4 hexagonal bolts M8 Tightening torque in place The tightening torque should be should be 11 8 to 14 7 N m 120 to 150 kgf cm 11 8 to 14 7 N m 120 to 150 kgf cm Screw Tightening Screw Tightening torque nominal dia torque Nominal dia M4 1 47 to 1 96 N m M8 11 8 to 14 7 N m 15 to 20 kgf cm 120 to 150 kgf cm M5 2 94 to 3 92 N m M
14. n Item Inspection Criteria Disposition Remarks method 3 Insulator Dust foreign Visual Make sure there Wipe witha If damaged matter or inspection is no dust clean dry cloth contact damage foreign matter or Toshiba breakage 4 Auxiliary Terminals Visual Make sure Repair if See Table 6 switch loose or inspection terminals are not disconnected for disconnected Tighten using loose or Tighten if tightening screwdriver disconnected loose torque Case contacts Visual Make sure there Replace if inspection is no damage or damaged or Warping warped 5 Control Smooth Supply Make sure circuit If circuit fails to circuits movement electricity operates operate check when to operate the smoothly the cause and electricity is circuit repair supplied Terminals Visual Make sure Repair if See Table 6 loose or inspection terminals are not disconnected for disconnected Tighten using a loose or Tighten if tightening screwdriver disconnected loose torques 6 Insulation If the insulation resistance Measurement Insulation Tester resistance measurement point resistance between the Main conductor to 500MQ 1000 V main circuit ground or greater terminals is Group of control 2MQ 500 V low wipe the circuits to ground or greater vacuum valve Between main 100M9 1000 V andrinsulator circuit or greater surface with a terminals clean dry cloth and repeat the test 6 5 Vacuum Check A sufficient level of vacuum i
15. nd voltage test for the control circuit to make sure there are no problems before installing or operating the unit The withstand voltage on control circuits The withstand voltage test for motor spring operation type circuit breaker shall be performed in charged condition The power frequency withstand voltage on control circuits except charging motor is 2000V AC since the withstand voltage for charging motor is 1500V AC The motor circuit shall be disconnected before withstand voltage test on control circuits Example The connector plug white on upper center of control board should be disconnected pull out after removing the front cover of circuit breaker This will make the motor circuit disconnect Note The connector plug and front cover must be returned to proper position after withstand voltage test CONNECTOR PLUG WHITE CONTROL BOARD UNIT 3 Installation Make sure the location satisfied the requirements listed under Storage and Installation Location page 3 and check the dimensions using the diagrams in other catalogs or external view diagrams and panel cut diagram Prior to installation the maximum fault current capacity of the power system at the point of installation should be verified This value must not exceed the symmetrical interrupting capability of the circuit breaker See typical circuit breaker nameplate below Do not exceed the ratings specified on the breaker nameplate or NDS system accessor
16. nt convey the typical topology of the HV6CS breaker Because of our commitment to continuous improvement Toshiba International Corporation reserves the right without prior notice to update information make product changes or to discontinue any product or service identified in this publication Toshiba International Corporation TIC shall not be liable for direct indirect special or consequential damages resulting from the use of the information contained within this manual This manual is copyrighted No part of this manual may be photocopied or reproduced in any form without the prior written consent of Toshiba International Corporation Copyright 2012 Toshiba International Corporation TOSHIBAG is a registered trademark of Toshiba Corporation All other product or trade references appearing in this manual are registered trademarks of their respective owners All rights reserved Printed in the U S A Contacting TIC s Customer Support Center Toshiba International Corporation s Customer Support Center can be contacted to obtain help in resolving any Adjustable Speed Drive 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 For after hours support follow the directions of the outgoing message when calling Yo
17. o yellow S Ch Motor stops PERIS ae e CLOSE operation standby CLOSE signal given CLOSE coil energized Circuit breaker CLOSED Spring changes to white and switching status changes to ON Motor begins operating Spring begins tightening D Spring taut Motor stops OPEN signal given N x Spring status changes to yellow OPEN TRIP coil energized Circuit breaker OPEN Switching status changes to OFF Auxiliary relay closes Anti pumping circuit completed Next CLOSE operation is NOT possible until the CLOSE signal is canceled 19 ircui 4 3 Control C 4 3 1 Motorized Operation JOJ IDUUOI AUopuoras 40 9 86 iy vossauddns abung j 24 14 20 oaf 60 10 a P81 DPS 244 TII ossaa qI U9HMS HUT EST ISI vadt CI ND4I03U0I Ajay Avonixny Q A CIN 4903409 Avonixny XA 99 10 COND 420340 Avonixny 0 10 1109 dja vol wadau 31 a 14 a oy as cu ET TTI Hen 04409 EA JOHDIN 3102 49 UNNDVA JA SIA JO NOI LAINIS3JA S TENAS ORNI J ircui Figure 17 Control C 20 4 3 2 Undervoltage Trip All HV6CS breakers are furnished with an undervoltage trip device The Undervoltage trip device operates to trip the circuit breaker OFF unless
18. or liable for direct indirect special or consequential damage or injury that may result from the misuse of this equipment TOSHIBA Leading Innovation gt gt gt About This Manual Every effort has been made to provide accurate and concise information to you our customer At Toshiba International Corporation we are continuously striving for better ways to meet the constantly changing needs of our customers E mail your comments questions or concerns about this publication to controls tic toshiba com Purpose and Scope of Manual This manual provides information on how to safely install operate maintain and dispose of your HV6CS breaker The information provided in this manual is applicable to the HV6CS breaker only This manual provides information on the various features and functions of this powerful device including Installation Operation e Mechanical and electrical specifications Included is a section on general safety instructions that describe the warning labels and symbols that are used on the device and throughout the manual Read the manual completely before installing operating performing maintenance or disposing of this equipment This manual and the accompanying drawings should be considered a permanent part of the equipment and should be readily available for reference and review Dimensions shown in the manual are in imperial units and or the metric equivalent Connection drawings within this docume
19. packaging in your area During Use Installation location To prevent damage to the VCB or performance degradation do not store or install it in the following locations Places whose ambient temperature is outside the range of 5 C to 40 C 23 F to 104 F This may result in damage or performance degradation Places exceeding 1000 m 3300 ft elevation This may result in damage or performance degradation Places where excessive dust is produced This may result in damage or performance degradation Places where corrosive gases are produced This may result in fire damage or performance degradation Places with very high or very low humidity This may result in damage or performance degradation Places subject to extreme variations in temperature This may cause condensation to form and result in damage or performance degradation Places subject to vibrations This may result in damage or performance degradation Inclined locations This may result in damage or performance degradation Special environmental conditions When using the VCB in special environments check the points in Table 1 below Table 1 Points to Check When Using the Circuit Breaker in Special Environments Special environmental condition Practical example Check points Contamination High humidity Large amounts of dust Salt corrosion locations near the seashore or where winds containing salts blow
20. pment and clear faults in accordance with established safety practices Be trained in the proper care and use of protective equipment such as safety shoes rubber gloves hard hats safety glasses face shields flash clothing etc in accordance with established safety practices For further information on workplace safety visit www osha gov Equipment Inspection Upon receipt of the equipment inspect the packaging and equipment for shipping damage Carefully unpack the equipment and check for parts that may have been damaged during shipping missing parts or concealed damage If any discrepancies are discovered it should be noted with the carrier prior to accepting the shipment if possible File a claim with the carrier if necessary and immediately notify your Toshiba Customer Support Center DO NOT install the ASD if it is damaged or if it is missing any component s Ensure that the rated capacity and the model number specified on the nameplate conform to the order specifications Modification of this equipment is dangerous and is to be performed by factory trained personnel ONLY When modifications are required contact your 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 breaker including prope
21. pment 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 This indicates that a potential personal injury hazard exists Signal Words Listed below are the signal words that are used throughout this manual followed by their descriptions and associated symbols When the words DANGER WARNING and CAUTION are used in this manual they will be followed by important safety information that must be carefully followed The word DANGER proceeded by the safety alert symbol indicates that an imminently hazardous situation exists that if not avoided or if instructions are not followed precisely will also occur The word WARNING preceded by the safety alert symbol indicates that a potentially hazardous situation exists that if not avoided or if instructions are not followed precisely could result in serious injury to personnel or loss of life A WARNING The word CAUTION proceeded by the safety alert symbol indicates that a potentially hazardous situation exists that if not avoided or if instructions are not followed precisely may result in minor or moderate injury A CAUTION The word NOTE provides helpful information NOTE Equipment Warning Labels DO NOT attempt to install operate perform maintenance or dispose of this equipment
22. rly sizing up the load getting assistance and using a forklift if required Store in a well ventilated location and preferably in the original packaging if the equipment will not be used upon receipt Store in a cool clean and dry location Avoid storage locations with extreme temperatures rapid temperature changes high humidity moisture dust corrosive gases or metal particles The storage temperature range of the breaker is 23 104 F 5 to 40 C DO NOT store the unit in places that are exposed to outside weather conditions e g wind rain snow etc Store in an upright position Z CAUTION Operating the VCB Failure to take the opportunity to discover abnormalities can result in injuries and equipment damage Always check to make sure that the ON and OFF indicators are correct before operating the equipment To avoid damaging the equipment do not close the circuit when the unit switching indicator is ON Connecting and disconnecting the main circuit To avoid injury and damage to the equipment do not remove the holding pin unless you are moving the VCB outside the panel To prevent electric shock or other injury follow the instructions given in the instruction manual when moving the equipment in or out of the panel Disposal Never dispose of electrical components via incineration Contact your state environmental agency for details on disposal of electrical components and
23. s necessary for proper performance of the vacuum interrupters Although vacuum leaks are rare the vacuum integrity should be checked periodically The relationship between dielectric breakdown voltage of the contact gap and internal vacuum interrupter pressure has been found to be generally predictable Therefore vacuum interrupter integrity is checked by performing a high potential test across the open gap of the interrupter TEST EQUIPMENT 26 Toshiba offers a compact vacuum checker Type 5 10 see Figure 22 which enables a quick and easy check on vacuum interrupter internal pressure Alternatively any commercially available AC high potential tester may be used which is capable of delivering at least 25 milliamperes at 22 kV for a period of one minute Figure 22 Toshiba Portable Vacuum Checker PRECAUTIONS Applying abnormally high voltage across a pair of contacts in vacuum may produce X rays The radiation may increase with the increase in voltage and or decrease in contact spacing X radiation produced during this test with recommended voltage and normal contact spacing is extremely low and well below the maximum permitted by standards As an additional safety measure it is recommended that all personnel keep at least 1 meter 3 3 ft away from the vacuum circuit breaker while this test is performed Radiation exposure hazard X rays may cause illness or injury A WARNING Stay at least 1 meter 3 3 ft aw
24. ting the Circuit Breaker 10 2 2 2 Drawout Cell When hoisting the drawout unit attach cable wire rope to the holes on the left and right of the rear of the unit as shown in Figure 3 Figure 3 Lifting the Drawout Cell 2 3 Storage Use the following procedures if the VCB will not be operated for a long period of time after it has been installed or if it must be stored for a long period of time prior to installation Be sure to observe the precautions for storage and installation locations see page 5 1 When storing the unit cover it with a dust cover 2 Avoid locations subject to high humidity or exposed to direct sunlight 3 Inspect the unit periodically and make sure there are no problems such as condensation moisture absorption rust corrosion or insects inside the equipment If such problems are discovered inspect the equipment carefully and repair it before it is operated To prevent electric shock or other injury do not use the unit when a A WARNING problem has been discovered during an inspection of that unit To prevent injury or damage to the equipment make sure the unit is A CAUTION standing straight up NEVER lay it on its side or place it upside down 4 When the equipment has been stored or has been idle for a long period of time do not install or begin operating the unit immediately Perform the procedures listed in sections 7 3 and 7 4 and the withsta
25. u may also contact Toshiba International Corporation by writing to Toshiba International Corporation 13131 West Little York Road Houston Texas 77041 9990 For further information on Toshiba International Corporation s products and services please visit our website at www toshiba com ind TOSHIBA INTERNATIONAL CORPORATION HV6CS Circuit Breaker Complete the following information and retain for your records Model Number Serial Number Project Number if applicable Date of Installation Inspected By Name of Application Table of Contents General Safety Information 1 Safety Alert Symbol asssamm kidassa 1 1 Equipment Warning Labels 2 Qualified Personnel 2 Equipment 2 2 adedaiie Vente AA EA VA KO 3 Handling and Storage 3 DISPOSAl kina saa 4 8 Stk 5 Part aare rea audeasnceedeessovewssdedetnctsntesasevestee 8 2 From Receipt to Storage 9 2 1 Recelpt and Unpacking 2 2 aa 9
26. ufficient vacuum and must be replaced Exception If the current exceeds 5 milliamperes the first time the voltage is brought up reduce the voltage to zero and increase it again It may be necessary to repeat this procedure a few times Figure 24 Application of Test 2 If the breaker fails to meet criteria 1 then repeat the Voltage for Vacuum Check test on each pole separately to identify the damaged interrupter or interrupters 3 If the voltage can be held for 1 minute and the current flow does not exceed 5 milliamperes the interrupter has a sufficient vacuum level After the test is complete discharge any residual static charge from the primary terminals of the circuit breaker If a vacuum checker or AC hi pot tester is not available a DC hi potential test may be conducted If a DC test is conducted the test voltage must be increased to 31kV DC The test duration for DC tests and the criteria for acceptance remain the same as for AC tests Do not use DC hi pot testers which employ unfiltered half wave rectifiers A WARNING The peak voltages produced by these testers may exceed the recommended value of 31kV This can result in the production of harmful X rays and may invalidate the test results 28 Figure 25 shows the relationship between the dielectric breakdown characteristics and the withstand voltage between electrodes for each vacuum interrupter in the withstand voltage test AC22kV
27. until you have read and understood all of the product labels and user directions that are contained in this manual Warning labels that are attached to the equipment will include the exclamation mark within a triangle 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 Qualified Personnel Installation operation and maintenance shall be performed by Qualified Personnel ONLY A Qualified Person is one that has the skills and knowledge relating to the construction installation operation and maintenance of the electrical equipment and has received safety training on the hazards involved Refer to the latest edition of NFPA 70E for additional safety requirements Qualified Personnel shall Have carefully read the entire manual Be familiar with the construction and function of the ASD the equipment being driven and the hazards involved Be able to recognize and properly address hazards associated with the application of motor driven equipment Be trained and authorized to safely energize de energize ground lock out tag out circuits and equi
28. ve cooled to perform the inspection To ensure safety remove the ground line after the inspection is complete and return the equipment to its previous status 6 2 Types of Maintenance and Inspection Work Receiving inspection A visual inspection for damage deformation missing parts and switching status manual to make sure that the product is in the same status as when it was shipped Patrol inspection An inspection performed during patrols to check for abnormal noise or odor and see if there is anything wrong with the equipment during operation Periodic inspection The equipment is shut off and a check made of the operation of the mechanism to make sure there is nothing wrong The lubrication status of sliding and rotating parts is also checked and the mechanism is lubricated if needed Unscheduled inspection Inspections that are implemented as required 6 3 Inspection Frequency The inspection frequency and points to be inspected will differ depending on the status of use frequency of switching the size of the breaking current and other factors In general inspections should be implemented at the intervals shown in the table below 24 Table 7 Inspection Frequency Type of inspection Inspection frequency Patrol Inspection Once every 6 months Periodic Inspection Normal Once every 1 to 3 years or every 3 000 operations Detailed Once every 6 years Unscheduled Inspection As neede
29. w class A low voltage class A side Ordinary Protected by CR Protected by No special Protected by CR 6 6 kV circuit suppressor 6 surge restrictions suppressor 6 No special suppressor restrictions to 300 k VA Low surge No special No special No special Protected by CR 6 6 kV circuit type restrictions 2 restrictions 3 restrictions suppressor 6 No special restrictions to 4000 k VA 1 Mainly induction motors but also includes synchronizing generators for private generator eguipment 2 Use a CR suppressor for surge protection when inching at 55 kW 75HP or below and on inductance regulators 3 Use an arrester for surge protection on circuits that reguire cutting off of excitation rush current 4 When the capacity of the group of capacitors exceeds 300 kVA insert a series reactor 6 5 For high freguencies included in the applicable circuit use 135 or below of the fifth harmonic Table 3 CR Suppressors Circuit voltage CR suppressor model 6 6 kV NV60K304T1 three phase as established in the standards for phase advance capacitors JIS C 4801 6 Table 3 shows the models of applicable CR suppressor 1 Part Names SHAFT FOR MANUAL CHARGING HANDLE SPRING INDICATOR DRAWOUT CELL ON OFF INDICATOR INTERLOCK LEVER CLOSE LEVER LEVER TRIP VC COUNTER SECONDARY DISCONNECTS Figure 1 Drawout Type Circuit Breaker DRAWOUT HANDLES 2 From Receipt
30. will change to ON the VCB is set in close state Figure 13 Turn the handle clockwise 3 to 5 times and make sure that the spring status is taut 2 When the spring is taut Perform the step shown in Figure 15 CLOSED LEVER Figure 15 Press the closed lever green in the direction of the arrow to close the circuit When the switching status will change to ON the VCB is set in close state 4 1 2 Opening the Circuit This operation is the same for both motorized and manual spring operated VCBs I i los TRIP O I LEVER G O A S Figure 16 Press the trip lever red in the direction of the arrow to open the circuit 18 4 2 Electrical Operation Electrical operations are performed as shown in the flow diagram below Circuit breaker OPEN Control power applied Motor begins operating Springs begin tightening Spring status changes t

Toshiba H6A-HLS Vacuum Cleaner User Manual

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