metal-enclosed switchgear assemblies

Transcription

1 Instruction ooklet I022002N ffective pril 2018 Instructions for installation, operation, and maintenance of arc resistant type MVS rcgard metal-enclosed switchgear assemblies ontents escription Page Introduction Installation Switchgear assembly inspection before startup...11 Operation Maintenance uplex switchgear configuration Plenum installation MVS switchgear bolt tightness for bus connections rc resistant type MVS rcgard metal-enclosed switchgear field taping procedure (5/15 kv)

2 Instruction ooklet I022002N ffective pril 2018 Instructions for installation, operation, and 2 TON

3 Instructions for installation, operation, and Instruction ooklet I022002N ffective pril 2018 isclaimer of warranties and limitation of liability This instruction booklet is published solely for information purposes and should not be considered all-inclusive. If further information is required, you should consult an authorized aton sales representative. The sale of the product shown in this literature is subject to the terms and conditions outlined in appropriate aton selling policies or other contractual agreement between the parties. This literature is not intended to and does not enlarge or add to any such contract. The sole source governing the rights and remedies of any purchaser of this equipment is the contract between the purchaser and aton. NO WRRNTIS, XPRSS OR IMPLI, INLUING WRRNTIS OF FITNSS FOR PRTIULR PURPOS OR MRHNTILITY, OR WRRNTIS RISING FROM TH OURS OF LING OR USG OF TR, R M RGRING TH INFORMTION, ROMMNTIONS, N SRIPTIONS ONTIN HRIN. In no event will aton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or otherwise for any special, indirect,incidental or consequential damage or loss whatsoever, including but not limited to damage or loss of use of equipment, plant or power system, cost of capital, loss of power, additional expenses in the use of existing power facilities, or claims against the purchaser or user by its customers resulting from the use of the information, recommendations and description contained herein. TON 3

4 Instruction ooklet I022002N ffective pril 2018 Read and understand these instructions before attempting installation, operation, or maintenance of this equipment. This equipment must be installed and serviced only by qualified electrical personnel. Retain this document for future use. WRNING HZR OF LTRIL SHOK OR URN. OPRTING TH SWITHGR SSMLY OUTSI OF ITS RTINGS MY US FILUR RSULTING IN PROPRTY MG, SVR PRSONL INJURY, OR TH. TH SWITH- GR SSMLY MUST OPRT WITHIN ITS NMPLT RTINGS. WRNING HZRS OF R FLSH, R LST, N LTRI SHOK XIST WHN THIS QUIPMNT IS NRGIZ, WHIH MY L TO TH OR SVR INJURY. LL WORK SSOIT WITH THIS LTRIL QUIPMNT MUST PRFORM ONLY Y QULIFI PRSONNL S FIN IN NFP-70. ONSULT NFP-70, OSH, N NY OTHR PPLIL RGULTION PRTINING TO OPRTOR SFTY PRIOR TO SRVIING QUIPMNT. TH QULIFI PRSONNL MUST FOLLOW LL PPLIL PRSONL PROTTIV QUIPMNT RQUIRMNTS. O NOT TTMPT NY WORK ON THIS QUIPMNT SUH S INSTLLING OMPONNTS, PRFORMING NY XMINTIONS, PRFORMING NY JUSTMNTS, PRFORMING NY SRVIING, OR PRFORMING NY MINTNN WHIL IT IS NRGIZ. FOR PRFORMING NY WORK, FOLLOW LL PPROPRIT HZR SSSSMNT N NRGY ONTROL PRUTIONS N PROURS. VRIFY NO VOLTGS R PRSNT ON LL INOMING N OUTGOING ONUTORS, N NY NRGY SOURS ONTIN WITHIN TH QUIPMNT PRIOR TO SRVIING, THN GROUN (ONNT TO RTH) LL INOMING N OUTGOING ONUTORS TTH TO THIS QUIPMNT N TO NY INTRNL NRGY SOURS. NGR LL PPLIL SFTY OS, SFTY STNRS, N SFTY RGULTIONS MUST HR TO WHN INSTLLING, OPRTING, OR MINTINING THIS QUIPMNT. Instructions for installation, operation, and Section 1: Introduction 1.1 Purpose This instruction book is expressly intended to cover the installation, operation, and maintenance of arc resistant Medium Voltage type MVS rcgard metal-enclosed switchgear assemblies. It is not encompassing of all possible contingencies, variations, and details that may arise during installation, operation, or maintenance of this equipment. If further information is desired by the purchaser regarding this particular installation or application information, contact the local aton lectrical, Inc. sales office, see the appropriate section of aton lectrical, Inc. onsulting pplication Guide, and review the appropriate industry standards. 1.2 escription and application The arc resistant type MVS rcgard metal-enclosed switchgear assemblies consists of one or more vertical sections of metalenclosed switchgear as defined in industry standard merican National Standards Institute/Institute of lectrical and lectronic ngineers (NSI/I) Typically, each vertical section contains an air insulated, three-pole, gang-operated, quick-make, quickbreak, load interrupter switch. It can be applied in combination with power fuses to provide safe, economical switching and overcurrent protection where infrequent disconnecting means is required. 1.3 ocumentation references Refer to the customer drawing package for order specific information. For further information on installation and application, refer to the applicable descriptive bulletins, publications, and/or industry standards. ownload aton information from For receiving, handling, storing and installation instructions: I022014N. For arc plenum and duct installation: I For MVS/MVS2 switch: I aton contact information For additional information about aton products please call or log onto dditional medium voltage switchgear information regarding Pricing/ftermarket, ustomer Service, ngineering/technical Information, or Warranty, can be found by calling aton lectrical Services and Systems (SS) can be reached at If further information is desired regarding this particular installation or application information, contact the local aton sales office, reference aton s onsulting pplication Guide, or the appropriate industry standards. 1.5 Terminology Metal-enclosed load interrupter switchgear: This is an assembly of metal vertical sections as defined in NSI/ I Load interrupter switch: The basic switching and fault-closing device used in metal enclosed, load interrupter switchgear. Fuse: device used in conjunction with a load interrupter switch to provide overcurrent and short-circuit protection. 4 TON

5 Instructions for installation, operation, and 1.6 Safety precautions WRNING ONLY QULIFI LTRIL WORKRS WITH TRINING N XPRIN ON HIGH VOLTG IRUITS SHOUL PRMITT TO WORK ON THIS QUIPMNT. THY SHOUL FMILIR WITH TH WORK TO PRFORM, TH SFTY QUIPMNT RQUIR, N HZRS INVOLV. Instruction ooklet I022002N ffective pril 2018 Table 1. Power Frequency Withstand Test Voltages Rated Maximum Voltage (kv) Power Frequency Withstand (rms) (kv) Read and understand these instructions before attempting any assembly, operation, or maintenance of an arc resistant MVS switchgear assembly. 2. isconnect all low voltage and medium voltage power sources before working on the equipment per Occupational Safety and Health ct (OSH) and local lockout and tag out procedures. Verify voltages have been removed, both ground load and line side connections. Observe the National Fire Protection ssociation s (NFP) Publication #70 that is commonly known as the National lectrical ode (N), OSH, and local procedures and standards. This includes visual inspections while the vertical section door is open, making any adjustments inside or outside the switchgear vertical section, performing maintenance, or installing replacement parts. 1.7 Switchgear identification nameplate is located inside the small access door of each arc resistant type MVS switchgear vertical section (see Figure 1). ontained on this nameplate are the aton master parts list number and all the necessary switchgear ratings. This information should be given to the aton sales office if a question should arise concerning the switchgear or if renewal parts are required. This information is sufficient for aton to find the manufacturing information for the switchgear. 3. The front lower/upper doors cannot be opened with the switch in the LOS position. In addition, the switch cannot be closed with the vertical section doors open. This is prevented with the use of the key interlock system. 4. efore opening the lower door of the vertical section, look through the window on the upper door to ensure that all three main blades and flicker blades are OPN. If necessary, use an additional suitable light source. WRNING FTING OR ISNGGING SFTY INTRLOKS ON MVS2 SWITH THT IS PROPRLY INSTLL IN MVS SWITHGR SSMLY N ONNT TO POWR SOUR MY RSULT IN PROPRTY MG, OILY INJURY, OR TH. O NOT FT OR ISNGG NY SFTY INTRLOKS WHN TH SWITHGR IS IN SRVI. efore energizing the switchgear assembly: 5. Make sure the MVS switchgear assembly is securely fastened to a true and level surface according to the floor plan of the customer drawings. 6. lways be sure that all hardware is in place and secured by tightening or using safety fasteners before putting an MVS2 switch into operation (see Section 6). 7. onfirm that all arc chutes and barriers are installed. 8. onfirm that no tools or other objects are left inside the vertical section. 9. onfirm that all devices, doors, and covers are in place. 10. efore startup, perform a field power frequency withstand (Hi-Pot) test, using test voltages given in Table 1. Figure 1. Typical Nameplate. WRNING XING NMPLT RTINGS OF R RSISTNT MVS SWITHGR OUL US PROPRTY MG, SVR INJURY, OR TH. R RSISTNT MVS SWITHGR MUST OPRT WITHIN ITS NMPLT RTINGS. TON 5

6 Instruction ooklet I022002N ffective pril Safety features rc resistant type MVS load interrupter switchgear has several built-in features to reduce hazards and to provide proper operating sequences. 1. door key interlock prevents opening the enclosure s lower front door while the load interrupter switch is in the losed position. 2. switch key interlock prevents manual operation of the switch s operating mechanism with the door open. Instructions for installation, operation, and WRNING OPRTING MVS2 SWITH WITH KY INTRLOK OLT XTN WILL RSULT IN QUIPMNT MG N MY LSO XPOS PRSON TO OILY INJURY OR TH. TH KY MUST INSRT INTO TH INTRLOK N ROTT TO RTRT TH LOKING OLT FOR OPRTING MVS2 SWITH. 3. viewing window is provided in the upper front door to visually verify the switch contact position. 4. Facilities are provided for padlocking the switch in the Open or losed position (manually operated only). 5. Mechanical indicators show whether the switch mechanism is Open or losed. 1.9 Ratings and standards Table 2. rc-resistant MVS Metal-enclosed Load Interrupter Switchgear ssembly Ratings. Switchgear ssembly Ratings per I Rated Maximum Voltage Power Frequency Withstand Voltage, 60 Hz, 1 Minute Lightning Impulse Withstand Voltage (L/WV) (IL) Rated Main us ontinuous urrent Rated Momentary Short-ircuit urrent Withstand (10 cycle) (167 ms) Rated Shorttime Short- ircuit urrent Withstand (2 Second) Switchgear ssembly Internal rc Withstand ccessibility Type Rated Internal rc Short-circuit Withstand urrent kv rms kv rms kv Peak mperes k rms sym k Peak k rms sym k rms Sym k Peak Sec , , , , , , , Rated Internal rc Short- ircuit uration Table 3. rc Resistant MVS Switchgear Standards. Related apability Underwriters Laboratory (UL) or anadian Standards ssociation (S) Listing to: Standards ocument Rating NSI/I NSI/I NSI S (anada) Listing to: N/S 22.2 No 31 6 TON

7 Instructions for installation, operation, and Section 2: Installation For information regarding the receiving, handling, storing, and installation of the equipment, please reference I022014N: Instructions for receiving, handling, sotrying, and installation of medium voltage switchgear, in addition to the customer drawing package. Refer to shipping list for location of the bus, hardware, and all other joining and installation material. 2.1 Floor requirements The finished foundation surface shall be flat and level within 0.06 in. (1.6 mm) in 36 in. (914 mm) in any direction, left to right, front to back, and diagonally. lternatively a local flatness FF value of 50 or higher and an accompanying FL value of 37 to 40 as defined in industry standard STM and industry standard I may be used to establish the flatness and levelness of the finished foundation. 2.2 Joining type MVS enclosures ccess to MVS switchgear vertical sections containing switches ach MVS2 switch is shipped from the factory in the closed position to maintain alignment during shipping and handling. When handling MVS switchgear, be sure the switches are in the losed position. The safety key interlocking prevents opening of the door of the vertical section when the switch is closed. In order to gain access to the interior, be sure the switchgear assembly is on a true and level surface (according to the floor plan of the customer drawings). To open a manually operated MVS2 switch insert the operating handle and push down. When the switch opens the door may be opened. o not operate MVS2 switches unless the switchgear assembly is setting on a true and level surface Id entification of shipping splits Refer to the front view on the switchgear assembly drawing. eneath this view, shipping splits will be identified in relation to group numbers for each vertical section. Normally, shipping sections will not exceed 92 in. ( mm) in width Proced ures for joining rcgard MVS enclosures at shipping splits uring the following steps, please refer to Figure 2. Instruction ooklet I022002N ffective pril Supplied to connect the units where shipping split are necessary are in. bolts, flat washers, lock washers, and nuts from each connection point. 2. Position the shipping sections next to each other. The four holes will match holes in the adjacent side sheets. In some cases, it may be necessary to use of an aligning tool such as a punch to move the structures into alignment. 3. olt the side sheets together using the supplied hardware. 4. Make the main and ground bus connections using the links and hardware furnished. The bus bar is tin or silver-plated. To insure a proper electrical connection, care should be taken to protect the plating from damage. O NOT use joint compound. UTION LNING US JOINTS WITH RSIV OR HMIL LNSRS MY RMOV PLTING, WHIH MY US JOINT OVRHTING. TO LN TH SURFS, WIP THM WITH LN, RY LOTH. 5. olted connections should be tightened to the torque values given in Table 5 in Section onnection of customer power cables Figures 3 through 13 show the suggested means for connection of the incoming or exiting cables (maximum of two per phase, 500 kcmil) in MVS switchgear. The letters in each figure apply to the itemized subjects following. ll necessary materials to perform the cable installation are to be provided by others unless specifically noted otherwise in the detailed instructions below, or where specifically purchased with the switchgear assembly. To install the incoming and exiting cables, follow these instructions.. The switchgear terminals For incoming power, the terminals are usually located at the top of the switch in a vertical section. For outgoing circuits, the terminals are beneath the switch if unfused, or on the fuse mounting if fused. ach terminal pad has a 2-hole pattern suitable for either a single-hole terminal or a terminal with a 2-hole National lectrical Manufacturers ssociation (NM) drilling pattern. The terminal lugs for the cable, if purchased with the switchgear, will be bolted to the switchgear terminals. If the terminal lugs are not there, then they are to be provided by others. The terminals of the switchgear are not suitable to support the weight of the cable. It will be necessary to support the weight of the cable with the cable support angle discussed in below.. able electrical stress relief devices The design of rcgard MVS switchgear is based upon the use of pre-formed type electrical stress relief devices such as 3-M Quickterm-II, Raychem heat shrink termination systems, etc. The stress relief devices are to be provided by others.. able support channel(s). The cable support devices are supplied by the installer unless specifically purchased with the rcgard MVS switchgear. MVS cable supports, when supplied, are made of structural framing channel. The cable supports must be mounted to suit the geometry of the installation. The means to fasten the cable to the cable supporting devices are to be provided by others. There are a large number of commercially available cable support devices that can be fastened to the structural framing channel to support the cable so the cable weight is not hanging on the switchgear terminals. Figure 2. Joining the MVS nclosures. TON 7

8 Instruction ooklet I022002N ffective pril 2018 Instructions for installation, operation, and WRNING FILUR TO INSTLL TH L SUPPORT MY RSULT IN MG TO TH SWITHGR TRMINLS, WHIH IN TURN MY RSULT IN MJOR QUIPMNT MG N US SVR PRSONL INJURY OR TH. T ON US TH L SUPPORT MUST INSTLL S INSTRUT IN THIS OUMNT.. Lashing cord or other equivalent materials/means The cables must be lashed together to restrain the cables if a short circuit should occur. This material is to be provided by others. For large cables and/or cable reverse loops, it may also be necessary to lash the cable bundle(s) to the support channel. The views show this suggested fastening of the cable bundles. WRNING FILUR TO LSH TH LS TOGTHR MY RSULT IN MG TO TH SWITHGR, WHIH IN TURN MY RSULT IN MJOR QUIPMNT MG N US SVR PRSONL INJURY OR TH. TH L MUST LSH TOGTHR S INSTRUT IN THIS OUMNT.. urrent transformer(s) The current transformers are to be mounted on the side of the cable support that will physically support the current transformers so they will not slide down onto the stress relief devices. The high voltage cable is to be routed through the current transformer. SI STION VIW RR STION VIW Figure Top 4. Top able able ntrance ntrance (nergy (nergy Source) Source), Rear Rear ccess ccess. The H1 side of each current transformer is to be towards the normal source of electric power. ach current transformer secondary wiring is terminated at a plug. This plug is to be placed in the terminal block receptacle to match the phase on which the current transformer is mounted. The switchgear terminals will have phase labeling. The secondary wires are to be fastened to the support channel so they cannot fall into high voltage parts. WITH OR WITHOUT FUSS T ON US T ON US SI STION VIW RR STION VIW Figure 5. Unfused ottom ottom able able xit xit (to Load) (to Load), Rear Rear ccess ccess. SI STION VIW RR STION VIW Figure 3. ottom able ntrance (nergy Source), Rear ccess. 8 TON

9 Instructions for installation, operation, and Instruction ooklet I022002N ffective pril 2018 WITH OR WITHOUT FUSS T ON US SI STION VIW Figure 6. Top able xit (to Load), Rear ccess. RR STION VIW FRONT STION VIW SI STION VIW Figure 8. Top able ntrance (nergy Source), Front Front ccess ccess. T ON US T ON US FRONT STION VIW SI STION VIW FRONT STION VIW SI STION VIW Figure 7. ottom able ntrance (nergy Source), Front ccess Pull Section. Top Figure able 9. Top ntrance able ntrance (nergy Source) (nergy Source) Front ccess Front ccess Pull Section Pull Section. TON 9

10 Instruction ooklet I022002N ffective pril 2018 Instructions for installation, operation, and FRONT STION VIW SI STION VIW Figure 10. ottom able xit (to Load of Fuse), Front ccess or able in Front. FRONT STION VIW SI STION VIW Figure Top 12. able Top able xit xit (to Load (to Load of Switch) of Switch), Front Front ccess ccess. FRONT STION VIW SI STION VIW Figure Top 11. able Top able xit xit (to Load (to Load of Fuse) of Fuse), Front Front ccess ccess. FRONT STION VIW SI STION VIW Figure 13. ottom able xit (to Load of Switch), Front and Rear ccess. ottom able xit (to Load of Switch) Front and Rear ccess 10 TON

11 Instructions for installation, operation, and 2.4 Securing rcgard MVS switchgear ssemblies to foundations ll anchoring hardware and necessary devices are supplied by aton. If the switchgear assembly was purchased for seismic applications, follow the instructions on the specific drawings provided for the switchgear assembly that address the anchoring details. nother drawing addresses the load bearing requirements. Indoor or outdoor vertical sections are secured using clips and foundation bolts. nchors and lag screws may be used in place of J-bolts if desired. 2.5 onnection of space heaters to customers source Space heaters, when supplied, must be energized to prevent condensation. Heaters are supplied for 120- or 240-volt sources as shown on the drawings. For switchgear assemblies with or without heater control devices, heaters will be internally wired and brought to a terminal block. wiring diagram will be furnished with the drawings showing connection points for power. Instruction ooklet I022002N ffective pril 2018 Section 3: Switchgear assembly inspection before startup ach switch is properly adjusted at the factory before shipment. However, vibration and mechanical stresses imposed by transit and installation can adversely affect switch adjustment. Therefore, a final inspection is essential before energizing. If this inspection reveals any defects in adjustment, they should be corrected according to alignment procedures in I heck the bolted bus connections for proper tightness, referring to Section 8 for torque values. 2. If bolt-in type mounted fuses are supplied, check the hardware that hold the fuses in place is tightened to specified values. 3. For units fitted with expulsion-type, boric acid fuses, check the discharge filters on the lower end of the fuses are securely hand tight or ideally 62 in.-lbs (7.0 N m). 4. heck to see if the space heaters, if supplied, are energized. 5. Wipe away any dust or dirt that may have accumulated in compartment(s), paying particular attention to insulators and insulating material. WRNING US OF SOLVNTS, OILS, JOINT OMPOUNS, OR GRSS ON OR NR NORYL INSULTION WILL STROY IT. LN ONLY WITH WTR OR ISOPROPYL LOHOL. WRNING NORYL INSULT QUIPMNT: LTRIL JOINT OMPOUNS MUST NOT US ON ONNTIONS OR TRMINTIONS TO OR FROM THIS QUIPMNT. O NOT US SOLVNTS, OILS, OR GRSS ON OR NR THIS QUIPMNT. WTR N ISOPROPYL R TH ONLY PPROV LNRS FOR THIS QUIPMNT. UTION ISOPROPYL LOHOL IS FLMML. PROVI QUT VNTILTION N KP WY FROM FLMS N OTHR IGNITION SOURS. ONSULT YOUR SFTY PRTMNT FOR USING. 6. final thorough inspection should be made to ensure that no tools or other objects are accidentally left inside the enclosure. WRNING FTING OR ISNGGING SFTY INTRLOKS ON MVS2 SWITH THT IS ONNT TO POWR SOUR MY RSULT IN PROPRTY MG, OILY INJURY OR TH. O NOT FT OR ISNGG NY SFTY INTRLOKS. TON 11

12 Instruction ooklet I022002N ffective pril 2018 Section 4: Operation The MVS2 manually operated switch is equipped with switch interlocks and door interlocks as well as provisions for padlocking in either the open or closed position. See I for details of the interlocks and their functions. 4.1 Fuse replacement WRNING FILUR TO OMPLTLY ISONNT TH MVS SWITHGR SSMLY FROM LL POWR SOURS PRIOR TO INSPTION MY RSULT IN SVR INJURY OR TH. TH SWITHGR SSMLY MUST OMPLTLY ISONNT FROM LL POWR SOURS N GROUN FOR PRFORMING NY INSPTION. WRNING WHN SSING FUSS, FILUR TO SSUR THT TH FUSS R -NRGIZ MY RSULT IN QUIPMNT MG, OILY INJURY, OR TH. MK SUR THT LL POWR SOURS R -NRGIZ FOR TTMPTING TO SS TH FUSS. 1. ll devices that could energize the fuse should be opened, padlocked, and tagged so that inadvertent closure cannot create a hazard. 2. The MVS2 switch should be opened by rotating the handle downward. 3. efore opening the door, look through a window to visually verify that all blades are disengaged from their break jaws. 4. fter opening the door, an appropriate medium voltage sensing device should be used to determine if voltage is present. 5. If no voltage is present, a suitable grounding device should be attached to the fuse terminals to discharge any static charge and assure that the fuse terminals remain at ground potential. 6. Remove the two bolts at the top of the fuse along with the two bolts at the bottom of the fuse. Fuses are then free to be removed. Re-install the new fuse using the same hardware and torque to proper value listed in Section 8. Instructions for installation, operation, and Section 5: Maintenance WRNING FILUR TO OMPLTLY ISONNT TH MVS SWITHGR SSMLY FROM LL POWR SOURS PRIOR TO INSPTION MY RSULT IN SVR INJURY OR TH. TH SWITHGR SSMLY MUST OMPLTLY ISONNT FROM LL POWR SOURS N GROUN FOR PRFORMING NY INSPTION. 5.1 Inspection schedule The switchgear should be inspected on a regular periodic basis to ensure all components are functioning correctly and the insulation system integrity is being maintained. See the appropriate instruction documents for the component devices. 5.2 Inspection procedure Wipe away any dust or dirt that may have accumulated inside each switchgear vertical section, paying close attention to insulators and insulating material. 5.3 Insulation and conductor maintenance lectrical parts e-energize primary circuits before removing any enclosure parts. efore cleaning, take MGGR readings between live parts and to ground. Inspect for signs of overheating or weakened insulation. Remove dust from conductors, live parts, insulators, component insulation, and enclosure surfaces. n industrial grade vacuum cleaner would assist this procedure. Wipe clean with isopropyl alcohol or distilled water only, then wipe dry. UTION ISOPROPYL LOHOL IS FLMML. PROVI QUT VNTILTION N KP WY FROM FLMS N OTHR IGNITION SOURS. ONSULT YOUR SFTY PRTMNT FOR USING. fter the live parts and drive rod links have been dusted and wiped clean, take MGGR readings again between the live parts and between phases. Keep a record of these readings for future reference in determining when trends occur that would indicate a lowering of the insulation resistance. Periodic high potential tests are not required after initial start-up and are recommended only after repair of high voltage live parts or insulation, or when the trend of MGGR readings indicates it to be advisable. This field test should be made before the main cables are connected and should not exceed the values in the Table 4. Table 4. Field ielectric Test Values. kv LSS Test Voltage, 60 Hz, pplied for One (1) Minute TON

13 Instructions for installation, operation, and The intent of the cleaning procedure is to remove as much dirt, dust, and other foreign material as possible from the insulation with minimum exposure to any solvents. The recommended cleaning procedure is to use a lint-free cloth. In most cases this will be sufficient. For accumulations that cannot be removed by the above procedure, a lint-free cloth, slightly dampened with water, can be used. llow the apparatus to dry for at least four hours at room temperature before energizing or testing. If a lint-free, water dampened cloth does not produce satisfactory results, use a lint-free cloth dampened with isopropyl alcohol. ry the same as when using a water-dampened cloth. Instruction ooklet I022002N ffective pril 2018 Section 6: uplex switchgear configuration When supplied, the duplex configuration consists of two vertical sections containing MVS2 switches connected together by a common bus on the hinge terminals of each switch. This, in turn, is connected to one set of fuses located in one of the switch compartments. This arrangement allows the selection of either of two incoming lines. UTION ISOPROPYL LOHOL IS FLMML. PROVI QUT VNTILTION N KP WY FROM FLMS N OTHR IGNITION SOURS. ONSULT YOUR SFTY PRTMNT FOR USING. 5.4 Lubrication Lubrication should be done during routine maintenance. ll excess lubrication must be removed with a clean cloth to prevent any accumulation of dust or dirt. void any lubrication on insulation. are must be taken to prevent any non-conductive lubricant from reaching any current carrying contact surface. See I for the MVS2 switch lubrication requirements. For other components see the appropriate instruction documents for those components, for their lubrication requirements. Figure 14. uplex Selective Switch Operation. This arrangement is always supplied with key interlocking for safe operation. Key interlocking consists of a lock on each switch to lock the switch in the Open position and a lock on each lower door to lock each lower door closed. ach of the locks is keyed alike and only one key must be available to operating personnel. Since the key is retained in its lock when a switch is closed or when a door is opened, two things are assured: Only one switch may be closed at a time to prevent paralleling of incoming lines. oth switches must be locked in the open position to unlock either lower door, preventing access to energized load side bus or fuses. WRNING ONLY ON KY SHOUL VILL TO OPRTING PRSONNL FOR THIS INTRLOK SHM. WHN SHIPP FROM TH FTORY, H LOK WILL HV SPRT KY. LL XTR KYS MUST STROY OR OTHRWIS M INSSIL TO OPRTING PRSONNL. FILUR TO O SO OUL RSULT IN SVR INJURY OR TH. TON 13

14 Instruction ooklet I022002N ffective pril 2018 Section 7: Plenum installation Note: This section is for rcgard MVS style enclosures only. If you have a MVS section connected to V-W rc Resistant Switchgear or MPGR rc Resistant Motor ontrol enters please refer to I WRNING O NOT OVR-TIGHTN SLF-TPPING SRWS. IF NY SLF TP- PING SRWS STRIP URING INSTLLTION, THY MUST HV NUT INSTLL ON TH INSI TO SUR THM. TH NUT SHOUL INSTLL TO TH SM TIGHTNSS VLU S TH SLF TPPING SRW. FOR THIS RSON, IMPT TOOLS R NOT ROMMN. LL SRWS MUST INSTLL WITH FLT WSHR UNR TH H OF TH SRW. ONNTIONS USING STNR SRW N NUT MUST HV FLT WSHR UNR TH SRW H N OTH FLT WSHR N LOK WSHR UNR TH NUT. IF USING KPS NUTS, TH FLT WSHR N LOK WSHR SHOUL OMITT FROM TH NUT. Note: t least one section in every lineup will have an exhaust duct exiting from either the side or the front of the plenum. These sections can be identified because they have a square opening for the duct collar. Identify these sections and install them first, for ease of assembly. If possible, install the duct collar before moving the plenum into position. If this is not possible, first install the plenum sections which have duct cutouts, then lift the duct collar inside the plenum and install it before installing additional plenum sections. The duct collars can ONLY be installed from the INSI of the plenum, so it is critical that they are not left until the end. Instructions for installation, operation, and 1. nsure all shipping splits of the switchgear are installed, coupled, and bolts are torqued. 2. Use an overhead crane to lift the first plenum group onto the switchgear. Install and make snug but do not tighten the 5/16-18 x 7/8 hex bolts, 5/16 lock washer, and 5/16 flat washer onto the flanges on the front and rear of the plenum (see Figures 15 through 17). o not tighten hardware until all of the following plenum parts are attached and connected this will allow parts to shift and eliminate hole-alignment problems. 3. If not able to already have installed duct collar to the plenum before lifting into place attach now by using 1/4-20 hex bolts, 1/4 flat washers, and 1/4-20 KPS nuts. 4. (See Figure 17 If single section skip this step). nsuring that all plenum and duct sections are in place, loosely attach the plenum INT seam cover(s) to the gear with 5/16-18 x 7/8 hex bolts, 5/16 lock washer, and 5/16 flat washer. For ease of assembly, make snug but do not tighten bolts. 5. (See Figure 17 If single section skip this step). nsuring that all plenum INT seam cover(s) are in place, loosely attach the plenum XT seam covers to the gear with 1/4-20 self tapping screws. For ease of assembly, make snug but do not tighten screws. 6. Loosely attach the plenum ends to the gear with 1/4-20 self tapping screws, 5/16-18 x 7/8 hex bolts, 5/16 lock washer, and 5/16 flat washer. For ease of assembly, make snug but do not tighten screws until all plenum groups are attached and connected. 7. Tighten all previously snugged hardware to specified torque values using the values from Table 5 in Section 8. Figure 15. Plenum Parts List. 14 TON

15 Instructions for installation, operation, and Instruction ooklet I022002N ffective pril 2018 Figure 16. Plenum Parts List. TON 15

16 Instruction ooklet I022002N ffective pril 2018 Instructions for installation, operation, and ITM QTY SRIPTION OUTOOR ROOF TOP OUTOOR LH WLL OUTOOR RH WLL 4 1 OUTOOR FRONT VRT SM OVR LH 5 1 OUTOOR FRONT VRT SM OVR RH ROOF N P 7 1 OUTOOR FRONT WLL 8 1 OUTOOR RR WLL WITH UT 9 2 OUTOOR ROOF RIP SHIL 10 1 XHUST LL UT OLLR WITH OUTOUT WL 11 1 UT OLLR HW SS OVR /4" - 20 X 3/4" HX OLT /4" HLIL LOK WSHR /4"- 20, 3/4" O, RUR K WSHR /4" WI FLT WSHR /4"- 20 HX NUT /4" - 20 X 3/4" THR ROLLING SRW /4" - 20 RTINR NUT ULK LL (8) ORNRS FTR SSMLY X X X X X X 14 6 X X X X 9 13 X 9 14 X 9 18 X 9 17 X X X 17 8 X X 6 14 X X X 12 5 Figure 17. Plenum Parts List. Section 8: MVS switchgear bolt tightness for bus connections Use the following torque value for tightening bus joints. Table 5. Hardware Tightness Values. olt iameter ecimal Size In. (mm) olt iameter Standard Nominal Torque ft-lb (N m) (6.35) 1/ (6.78) (7.93) 5/ (16.27) (9.53) 3/ (33.90) (12.70) 1/ (67.79) (15.88) 5/ (128.82) 16 TON

17 Instructions for installation, operation, and Section 9: rc resistant type MVS rcgard metal enclose switchgear field taping procedure (5/15 kv) 9.1 usbar taping Materials for taping Reference Figures 18 and 19 for details on proper busbar taping. Filler: putty-like material: Trade name: ScotchfilT or NashauT 102. Pieces of insulating tape may be used. Insulating tape and pad High voltage PR insulating tape: Trade name: ScotchT Using an insulating boot Instruction ooklet I022002N ffective pril 2018 Step 1: lean the area of dirt and foreign matter. Use a clean, dry cloth or, if necessary, dampen slightly with distilled water. o not use any abrasives or solvents. Step 2: Place the boot over the joint so it fits in place. Fasten together with plastic wire ties. ut off excess ends of plastic wire ties. 9.3 able termination taping If cable termination insulation boots are not provided, aton recommends using tape material, Trade name: Scotch 130, for all cable termination insulation. Refer to 3M s taping method instructions, Tape Method for Insulating us-ar onnections 5-35 kv to Meet NSI Requirements, for installation techniques when using this tape. THRU-JOINTS, WITH-HRWR 1. LN R OF IRT N FORIGN MTTR 2. WIP PRINSULTION WITH ISOPROPYL LOHOL IF NSSRY 3. PPLY FILLR OVR R ONUTOR N HRWR TO OVR N SMOOTH OUT SURF. ONTOUR INTO PRINSULTION SURFS. TRY TO PRVNT IR POKTS. OVR ONUTORS N HRWR WITH T LST.12 INH OF FILLR PR FIG PPLY 6.0X.030 THIK P #1 OVR JOINT WITH MINIMUM OF 1.0 INH OVRLP ON FLUIIZ (1 1/4 LPS). PPLY 6.0X.030 THIK P #2 OVR P #1 UT STRTING ON RIGHT SI WITH 1.0 INH OVRLP ON PRINSULTION S FIG PPLY 6.0X.030 THIK P #3 OVR PS #1 & #2 N NTR ON JOINT PR FIG PPLY ON LYR OF 1.00X.030 INSULTING TP USING 2/3 LP N XTNING 0.75 INH MINIMUM YON TH PS ON TH PRINSULTION PR FIG. 8. Figure 18. T-Joint Field Taping Methods. TON 17

18 Instruction ooklet I022002N ffective pril 2018 Instructions for installation, operation, and MTRILS FILLR - PUTTY-LIK MTRIL.TR NMS: UTSLR, UT SL, SOTHFIL, TON. NO N 53351WX. TP - HIGH VOLTG PR INSULTING TP. TR NM: SOTH 130 TP, TON S. FINITIONS JOINT - R TO OVR WITH TP. ONSISTS OF R ONUTOR N 1.5 INHS OF NY PR-INSULTION NXT TO TH R ONUTOR. PR-INSULTION - NY INSULTING OVRING OR OTING SUH S POXY OTING OR INSULTING TUING JNT TO N XPOS ONUTOR PRIOR TO TPING. P - NY INSULTING TP WHIH IS WIR THN ON INH ONSISTING OF ON LYR OR MULTIPL LYRS WRPP IRTLY ON TOP OF H OTHR. LYR - INSULTING TP, 1 INH WI, WRPP FROM ON N OF TH JOINT TO TH OTHR, SO H SUING TURN LPS TH PRVIOUS TURN Y TH MOUNT SPIFI IN TH MTHOS PROUR. OVRLP - SPIFI ISTN MSUR LONG TH INSULTION STRTING FROM TH POINT WHR TH INSULTION NS MTHOS GNRL 1. LONGT INSULTING TP 10 TO 25 PRNT URING PPLITION TO INSUR SMOOTH, TIGHT FIT. ON PS LONGT ORNRS ONLY. 2. SHOUL TP ROLL XPIR, STRT TH NW ROLL Y OVRLPPING TH PRVIOUS N Y.5 TURN. "T"-JOINTS, WITH-HRWR 1. LN R OF IRT N FORIGN MTTR 2. WIP PRINSULTION WITH ISOPROPYL LOHOL IF NSSRY 3. PPLY FILLR OVR R ONUTOR N HRWR TO OVR N SMOOTH OUT TH SURF. ONTOUR INTO PR-INSULTION SURFS. TRY TO PRVNT IR POKTS. OVR ONUTORS N HRWR WITH T LST.12 INH OF FILLR PR FIG PPLY 6.00 X.030 THIK P #1 OVR JOINT WITH MINIMUM OF 1.0 INH OVRLP ON PRINSULTION. PPLY 6.00 X.030 THIK P #2 OVR P #1 UT STRTING ON RIGHT SI WITH 1.0 INH OVRLP ON PRINSULTION S FIG PPLY 6.00 X.030 THIK P #3 OVR PS #1 N #2 N NTR ON JOINT PR FIG PPLY ON LYR OF 1.00 X.030 INSULTING TP USING 2/3 LP N XTNING.75 INH MINIMUM YON TH PS ON TH PRINSULTION (FIG. 4). Figure 19. Thru-joint Field Taping Methods. 1 RVISION HISTORY 2 GMV-1733 TYLOR 10/19/07 UPT WG. HNG FLUIZ. NOTS TO PR-INSULTION. 3 O SI 03/22/2016 J. ROINSON 03/22/2016 RRWN TO INVNTOR SHT 2- RMOV JOINTS, WITH L/OOT ONTIONS INFO. Table 6. Taping chart. Switchgear Voltage Pre-insulation or Pad Overlap Minimum Insulating Tape kv In. (mm) Lap of Tape Layers Number of Pads Up to (38.1) and (38.1) Responsibility of installer For incoming or outgoing terminations, these approved materials are not supplied by aton and must be obtained and installed by others as identified above in the definitions. For connections involving shipping splits within an assembly, or connecting to a transformer, or to an MPGR M, or to an MV assembly, insulating materials will be supplied by aton only if necessary. It is the responsibility of the installer to insulate the connections in accordance with these instructions. For an assembly that does not have continuous insulating sleeving on the phase bus conductors, cable connections, or bus connections to other apparatus, insulation of these connections must be made. UTION FILUR TO INSTLL FIL INSULTION WHR NSSRY IN OR- N WITH THS INSTRUTIONS WILL OMPROMIS TH LTRIL RTINGS OF TH SWITHGR SSMLY. INSTLL FIL INSULTION TO MINTIN TH LTRIL RTINGS. 18 TON

19 Instructions for installation, operation, and Instruction ooklet I022002N ffective pril 2018 Switchgear Terminals Power ables ll connections to ground (Such as shielding) must be carried through the current transformer and solidly grounded on the load side of the T as shown. Use #6 wire with 600V insulation. Zero Sequence Transformer Lead, armor, conduit, and so on Lead, armor, conduit, Interstice ground conductors, and so on. Must be terminated and solidly grounded on the load side of the current transformer. To Load able connections to switchgear terminals when used with Zero Sequence Transformers Insulated pothead bushing Insulated pothead mounting Pothead ground lead must be carried through the Zero Sequence current transformer and solidly grounded on the load side of the ct as shown. Use #6 wire with 600V insulation. lectrical joint required between pothead and lead covered or armored power cables. Zero Sequence transformer Power ables onduit, when used onduit must be terminated and solidly grounded on the load side of the current transformer. To Load able connections to switchgear terminals when used with Insulated Pothead. Figure 20. Zero Sequence urrent Transformer onnections. TON 19

20 Instruction ooklet I022002N ffective pril 2018 Instructions for installation, operation, and aton lectrical Sector 1000 aton oulevard leveland, OH United States 877-TN-R ( ) aton.com 2018 aton ll Rights Reserved Printed in US Publication No. I022002N / TG pril 2018 aton is a registered trademark of aton orporation. ll other trademarks are property of their respective owners.