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S&C Instruction Sheet 695-505

11

Shipping and Handling

Figure 6. Hoisting a pad-mounted style Vista SD switchgear assembly (multi-way assembly shown).

Figure 5. Hoisting a multi-way vault-mounted style Vista SD switchgear assembly.

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Summary of Contents for Vista SD

Page 1: ... 4 Location of Safety Labels and Tags Single Way Vault Mounted Style 5 Multi Way Vault Mounted Style 6 Pad Mounted Style 7 Safety Precautions 8 Shipping and Handling Packing 9 Inspection 9 Handling 10 Installation Vault Mounted Style Switchgear Placement 12 Single Way Vault Mounted Style Unit Installed Through 31 Inch Manhole 13 Cables 14 Grounding 15 Fault Indicators 15 Pad Mounted Style Switchge...

Page 2: ...n of this publication is available online in PDF format at sandc com en support product literature Instruction sheets covering the installation and operation of S C Vista SD Underground Distribution Switchgear are included in the Installation and Operation Information Kit provided with each switchgear assembly A catalog dimensional drawing showing cable locating and anchor bolt dimensions is also ...

Page 3: ...ire liability In no event shall the seller s liability to the immediate purchaser or end user exceed the price of the specific product that gives rise to the immediate purchaser s or end user s claim All other warranties whether express or implied or arising by operation of law course of dealing usage of trade or otherwise are excluded The only warranties are those stated in Price Sheet 150 or Pri...

Page 4: ...s are not followed NOTICE NOTICE identifies important procedures or requirements that can result in prod uct or property damage if instructions are not followed Following Safety Instructions If you do not understand any portion of this instruction sheet and need assistance contact your nearest S C Sales Office or S C Authorized Distributor Their telephone numbers are listed on S C s website sandc ...

Page 5: ...der Circuits and Components Live G 6700 C WARNING Do Not Block Pressure Relief Device not shown G 6742 D WARNING Voltage Tester Always Test for Proper Operation G 9451 Figure 1 Location of safety labels Model 101 single way vault mounted style unit shown A B C D Note The installation and operation information kit is taped to the switchgear assembly Designate a location where you can easily retriev...

Page 6: ...d Components Live G 6700 C WARNING Do Not Block Pressure Relief Device not visible G 6742 D WARNING Voltage Tester Always Test for Proper Operation G 9451 Figure 2 Location of safety labels Model 312 3 way vault mounted style unit shown Safety Information C B A D Note The installation and operation information kit is taped to the switchgear assembly Designate a loca tion where you can easily retri...

Page 7: ...le G 6742 D WARNING Voltage Tester Always Test for Proper Operation G 9451 E WARNING Keep Out Hazardous Voltage Inside G 6398 Figure 3 Location of safety labels Model 422 4 way pad mounted style unit shown Safety Information Note The installation and operation information kit is stored in a slot behind the manual operation handle to the left of Way 1 Designate a location where you can easily retri...

Page 8: ...of undue force may damage the door latching mechanism 7 SAFETY LABELS Do not remove or obscure any of the DANGER WARNING CAUTION or NOTICE labels 8 ENERGIZED BUSHINGS Always assume that the bushings are energized unless proven otherwise by test by visual evidence of an open circuit condition at the load interrupterswitchorfaultinterrupter orbyobserving that the load interrupter switch or fault int...

Page 9: ... cardboard Inspection Examine the shipment for external evidence of damage as soon after receipt as possible preferably before removal from the carrier s conveyance Check the bill of lading to make sure all listed shipping skids crates and containers are present If there is visible loss and or damage 1 Notify the delivering carrier immediately 2 Ask for a carrier inspection 3 Note the condition of...

Page 10: ...eptable for two way and three way switchgear assemblies See Figure 4 and Figures 5 and 6 on page 11 STEP 2 Arrange the hoist slings to distribute lifting forces equally between the lifting tabs STEP 3 Avoid sudden starts and stops CAUTION Before hoisting remove motor operator if supplied for single way vault mounted style S C Vista SD Underground Distribution Switchgear assemblies supplied with th...

Page 11: ...ion Sheet 695 505 11 Shipping and Handling Figure 6 Hoisting a pad mounted style Vista SD switchgear assembly multi way assembly shown Figure 5 Hoisting a multi way vault mounted style Vista SD switchgear assembly ...

Page 12: ...es mounted in the horizontal orientation catalog number suffix V3 the clearance between the back of the bus work and the floor of the vault is approximately inch 13 mm Be sure the floor beneath the switchgear assembly is clean and level Failure to follow this precaution may result in damage to the switchgear from contact with the floor or from contact with foreign objects lying on the floor STEP 3...

Page 13: ...re 8 STEP 5 While the switchgear assembly is suspended by the hoist slings remove the mounting stand feet STEP 6 Lower the switchgear assembly through the manhole opening STEP 7 Re install the mounting stand feet removed in Step 5 and move the switchgear assembly into place STEP 8 Secure the switchgear in place using inch fasteners supplied by user STEP 9 Re install the bushing or bushing well ada...

Page 14: ... result in damage to the bushings and bushing wells STEP 2 Install cable support brackets in accordance with the appropriate reference drawing RD included in the installation and operation information kit See Table 1 STEP 3 Terminate the cables with user furnished separable insulated connectors following the manufacturer s instructions Figure 9 Remove the shipping covers from 600 ampere bushing ye...

Page 15: ...erasingleormultipleconnectiontorealize the maximum momentary rating of the switchgear assembly For a multiple cable connection cables smaller than 1 0 copper or equivalent should not be used STEP 4 Connect the cable concentric neutral wires to the grounding system as appropriate Fault Indicators Faultindicatorsaretobefurnishedbytheuserandinstalled in accordance with the manufacturer s instructions...

Page 16: ...og dimensional drawing Make sure the hinged roof section and all doors open and the latch closes without binding Binding indicates enclosure distortion that must be corrected by additional shimming Access to Interior STEP 1 Remove the shipping clamp from the padlock recess See Figure 11 STEP 2 Insert a pentahead socket wrench or tool or a hexhead socket wrench or tool if catalog number suffix H1 i...

Page 17: ...or See Figure 14 Open door far enough to permit the door holder mechanism to engage automatically STEP 5 To open the left hand door lift the finger latch SeeFigure15 Opendoorfarenoughtopermitthe door holder mechanism to engage automatically NOTICE Optional pad mounted style enclosures fur nished on switchgear assemblies with five or six ways have three doors The right hand door and the center door...

Page 18: ...vertical position is a two person exercise especially on switchgear assemblies having four or more ways NOTICE The hinged roof cannot be placed in the second more vertical position if the hinged roof counterweights are attached If necessary remove the pins connect ing the upper and lower lever arms of the counterweight mechanism See Figure 18 on page 20 DANGER Before energizing the switchgear repl...

Page 19: ...it horizontally and up to the gear at a 90º angle Failure to follow these precautions can result in damage to the bushings and bushing wells STEP 4 Install cable support brackets in accordance with the appropriate reference drawing RD included in the installation and operation information kit See Table 2 Table 2 Reference Drawings RD for Cable Support Brackets Switchgear Style Reference Drawing RD...

Page 20: ...the enclosure See Figure 18 Then cut the plastic cable ties holding the longer lever arms in the down position STEP 3 At one end of the enclosure pivot the longer lever arm up and position it on the back side of the shorter upper lever arm i e the longer lever arm should be closest to the side wall of the enclosure Align the two holes in both lever arms it may be necessary to lift up slightly on t...

Page 21: ...tinuous ground bus catalog number suffix O connect the ground bus to the enclosure ground pad Then connect the enclosure ground pad to the system ground in accordance with the user s standard practice Use the equivalent of 4 0 copper or cable sized in accordance with the user s stan dard practice in either a single or multiple connection to realize the maximum momentary rating of the switchgear as...

Page 22: ...tructions Optional mounting provisions for fault indicators catalog number suffix F1 or F2 are available for S C Vista SD Underground Distribution Switchgear If mounting provisions are specified mount the fault indicators on the mounting brackets and attach the associated sensors to the cables below the cable terminations Figure 21 The enclosure ground pad ...

Page 23: ...open mechanism At the other end of the enclosure push up on the hinged roof just enough to allow the left hand hold open mechanism latch to be released ensuring the right hand hold open latching mechanism does not re engage Lower the hinged roof into the closed position STEP 4 Insert a pentahead socket wrench or tool or a hexhead socket wrench or tool if catalog number suffix H1 is specified into ...

Page 24: ...es between the cable and the conduit and cap all empty conduits to prevent the entry of moisture and rodents STEP 2 Wipe down the exterior of the enclosure with a clean damp cloth Refinish any scratches or abrasions with S C touch up finish and red oxide primer which are available in aerosol spray cans Order Catalog Number 999 080 for light gray finish 999 058 for olive green finish 9991363 493 fo...

Page 25: ...ecause the switchgear may be subjected to dc test voltage when connected to the cable The dc withstand test voltages listed in the table are approxi mately equal to the ac test voltage Dc Cable Testing and Fault Locating Dc testing of installed cables is performed to determine the condition of the cables and to locate faults Industry standards such as IEEE 400 IEEE Guide for Making High Direct Vol...

Page 26: ...nd joints but before the cable system is placed in normal service A maintenance test is a field test made during the operating life of a power cable system to detect deteriora tion and to check serviceability of the system VLF cable testing may subject the S C Vista SD Underground Distribution Switchgear to the ac test volt age when the cables are attached to the switchgear S C recommends that the...

Page 27: ...e cable applying the VLF test source discharging the cable and regrounding the cable WARNING When VLF cable testing has been completed or has been interrupted you must discharge the cable sys tem and the test equipment Allow the time needed to fully discharge the cable system and test equipment Failure to fully discharge the cable system and test equipment can result in serious damage to the cable...

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