User manual TOSHIBA HCV-6KAU

[. . . ] 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 WARNING Never attempt to install, operate, maintain or dispose of this equipment until you have first read and understood all of the relevant 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: _________________________ © TOSHIBA INTERNATIONAL CORPORATION, 2004 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 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. [. . . ] MOVING THE CONTACTOR FROM THE ON TO THE OFF POSITION TO MOVE THE CONTACTOR TO THE OFF POSITION: 1. Turn OFF circuit control power to move the contactor to the OFF position 2. Verify that the position indicator reads OFF (Green). OPERATION PRE-ENERGIZATION CHECK Page 13 LEGEND 52 CC . . . . . Closing Supply AC/DC T1 A1 52 CC T2 A2 OSCILLATION SWITCHING POWER VOLTAGE DETECT TIMER Figure 5 - Internal configuration of Drive Unit LEGEND 52 CC . . . . . Closing Supply AC/DC R S T Vacuum Bottles U V W T4 16 T3 T2 T1 52 CC 52 CC 26 25 24 23 22 21 15 14 13 12 11 Auxiliary Switch 5 Drive Unit 6 2 A2 1 A1 Closing Supply AC/DC Figure 6 - Internal connection of the normally energized type Page 14 OPERATION LEGEND 52 CC . . . . . Closing Supply AC/DC R S T Vacuum Bottles U V W 16 T4 T3 T2 Diode T1 26 25 24 23 Auxiliary Switch 22 21 15 14 13 12 11 Tripping Supply DC 52 CC 52 CC 52 TC 5 Drive Unit 6 2 A2 1 A1 Closing Supply AC/DC Figure 7 ­ Internal connection of the latched type LEGEND Re mo t e Op e r a t i o n Swi t ch OF F OF F ON ON Local CR 52 CC . . . . Control Relay CR VCTT A1 16 R e mo t e St ar t I nt er l ock Dr i ve Un i t 15 14 13 12 11 AC/DC 100/110V 200/220V CR Auxi l i ar y Swi t c h T1 26 25 24 23 22 21 St op I nt erl ock Dr S ( Do o r Sw i t c h ) 2 E ( Over l oa d) A2 CR 52 CC 52 CC GL T2 RL Figure 8 ­ Standard operation circuit of the normally energized type PRE-ENERGIZATION CHECK Remo t e Op er at i o n Swi t c h Page 15 LEGEND 52 CC . . . . . Closing Supply AC/DC OFF CR 2E ON ON CR VCTT A1 L oca l 100/110V 200/220V 11 Remo t e St ar t I nt e r l o ck 15 14 13 12 T4 AC/DC Dr i ve Un i t T1 21 25 24 23 22 16 D 26 GL T2 CR A2 T3 RL 52 CC 52 CC 52 TC Figure 9 ­ Standard operation circuit of the latched type (shunt trip) Remot e Oper at i on Swi t c h LEGEND 52 CC . . . . . Vacuum Contactor OFF CR ON ON CR VCTT A1 Local 11 100/110V 200/220V Remot e 15 14 13 12 CTD P N Dr i ve Uni t T1 U V T4 2E AC/DC St ar t I nt er l ock 21 25 24 23 22 16 D 26 GL T2 CR A2 T3 RL 52 CC 52 CC 52 TC Figure 10 ­ Standard operation circuit of the latched type (capacitor trip) Page 16 MAINTENANCE PROGRAM MAINTENANCE MAINTENANCE RECORD In order to ensure continued reliable and safe operation of the equipment, a program of periodic maintenance must be established. 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. DANGER Contact with energized components can cause severe injury, death and property damage. Turn off and lock out primary and control circuit power before servicing. Improper maintenance can cause severe injury, death and property damage. Only qualified and authorized persons are to install, operate or service this equipment. Do not allow grease or any other substances to contaminate insulating materials. Contaminated insulators can allow a short circuit or ground fault to occur. Keep a permanent record of all maintenance work. Items inspected Reports of any testing Equipment condition Corrective actions or adjustments Date of work Comments The degree of detail of the record will depend somewhat on the operating conditions. SERVICING EQUIPMENT WARNING For your safety, turn off and lock out main and control circuit power before servicing the contactor. Never perform service on or next to exposed components energized with line voltage. WARNING Failure to adhere to these safety procedures can result in severe injury, death and property damage. WARNING NOTE: Refer to the SAFETY section of this manual for important information. MAINTENANCE RECOMMENDED INSPECTION AND MAINTENANCE TYPES NOTE: Table 1 - Tightening Torque Screw Nominal Diameter Page 17 Tightening Torque Refer to the SAFETY section of this manual for important information. 1. Acceptance Inspection This inspection confirms that the contactor is complete, correct as specified and undamaged from shipment. The procedure for this inspection is outlined in the RECEIVING, INSPECTION AND HANDLING section of this manual. Patrol Inspection Inspection is made of the condition of the contactor while it is energized. Inspect for signs of damage to the insulation frame, OPEN/CLOSE indicator and other components. [. . . ] To determine the electrode wear, measure dimension A between the lever and washer in the closed (ON) state, as shown in Figure 13. If the 1. 0mm contact wear gauge cannot be inserted, then the end of the service life has been reached. The drive unit and the closing coils also have an electrical service life of 200, 000 operations. As a result, these parts should be replaced around 200, 000 operations. MECHANICAL SERVICE LIFE Switching of capacitor loads produces severe conditions for contactors, such as high frequency inrush current and phase-to-phase recovery voltage more than twice the normal voltage. [. . . ]