S&C PMX Instructions For Installation Manual Download Page 30 | Manualshive

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S&C PMX Instructions For Installation Manual Download Page 30

627-500 30

Step 3

Move the new module into place immediately adjacent
to the existing end module. Complete all bus and cable
connections and other operations described in Steps 9
through 36, on pages 13 through 28.

Step 4

Perform the precautionary checks listed under “Before
Walking Away” on page 28.

Step 5

Following the procedures outline in the “WARNING” on
page 29, make certain all temporary grounds have been
removed before re-energizing the switchgear.

ADDITIONS TO EXISTING PMX ASSEMBLIES

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Summary of Contents for PMX

Page 1: ...t Messages 5 Following Safety Instructions 5 Replacement Instructions and Labels 5 Enclosure Security 6 Access Control 6 Location of Safety Labels 7 INSPECTION AND HANDLING Packing 8 Inspection 8 Hand...

Page 2: ...ation of components plus drawings and wiring diagrams All personnel involved with installation and operation of the switchgear assembly should be thoroughly familiar with the contents of the INSTALLAT...

Page 3: ...2 Disconnect all voltage transformers and voltage sensors when external voltage is used to test any secondary side wiring or when heaters are energized for temporary storage Do not disconnect voltage...

Page 4: ...of trade or otherwise are excluded The only warranties are those stated in Price Sheet 150 and THERE ARE NO EXPRESS OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ANY EX...

Page 5: ...re not followed NOTICE NOTICE identifies important procedures or requirements that if not followed can result in product or property damage if instructions are not followed Following Safety Instructio...

Page 6: ...ng or insertion of foreign objects but allows ventilation to help keep the enclosure interior dry Each door is equipped with a door handle The door handle is padlockable and incorporates a hood to pro...

Page 7: ...ge Description Number A CAUTION High Voltage Keep Out G 4900R2 B CAUTION All Bolts Must Be Tightened G 9055 C DANGER Danger High Voltage Keep Out G 6500 D DANGER Danger Switches May Be Energized By Ba...

Page 8: ...nal 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 that all shipping skids crates and containers lis...

Page 9: ...Make sure that the lifting tabs are securely bolted to the module before lifting it Step 2 Use 6 foot or longer hoist slings of equal length to prevent overstressing the enclosure during lifting Step...

Page 10: ...gear is not placed in service by the date shown on the tag attached to the switch operator containing the battery packs the battery packs must be charged as instructed on page 11 The battery packs wil...

Page 11: ...provided for each battery pack See Fig ure 2 a If the open circuit voltage of either battery pack is less than 10 volts dc both battery packs must be replaced Refer to S C Instruction Sheet 669 515 fo...

Page 12: ...cked and that opening the door is in the sequence dictated above Rear Access Panel Step 3 The rear access panel employs a pentahead hexhead bolting scheme There are three bolts located on the panel Tw...

Page 13: ...il the bolts are sufficiently tight Step 8 Pull outward on the access panel to verify that the door has latched Placement Step 9 Transport the switchgear to the installation site observing the precaut...

Page 14: ...modules by applying a single thickness of adhesive backedfoamgasketingtape provided around exposed edges and roof section between adjoining modules See Figure 6 Step 13 Level each module using metal s...

Page 15: ...aulking gun A room temperature vulcanizing RTV silicone rubber compound is recommended Step 15 On multi module assemblies shipped in individual modules align level center check door operation grout an...

Page 16: ...washers In order to remove the roof grasp with both hands and pull forward until it is stopped by the two neoprene rollers Then push down on the roof so that the side channels clear the rollers Next c...

Page 17: ...pounds since they may have loosened during shipment Check bus connections and where necessary correctly tighten the connecting hardware NOTE For modules employing enhanced fuse handling construction...

Page 18: ...nstalled in the manner described and illustrated in the text and figures that follow Failure to comply with these instructions may reduce the BIL capability of the switchgear Semi conducting grommets...

Page 19: ...bus that faces the interior of the module Make up the connec tions using one brass flat washer under the head of each bolt and one brass flat washer plus one split lockwasher under each nut The bolts...

Page 20: ...owing the cable terminator manufacturer s instructions and clearances shown in Figure 16 WARNING Maintain proper clearances when installing cable terminators Failure to maintain proper clearances can...

Page 21: ...til the Belleville washers are flat and then back off one half turn Do not use lockwashers with Belleville washers b For aluminum terminal pads to alumi num connectors use inch aluminum or galvanized...

Page 22: ...a torque wrench is not available tighten until the Belleville washers are flat and then back off one half turn Do not use lockwashers with Belleville washers d For copper terminal pads to tinned cop p...

Page 23: ...nment Do not use the connecting bolts to pull cables into alignment Failure to comply with these precautions may cause misalignment of the switch or fuse Step 25 Before connecting cable terminators to...

Page 24: ...ing screws from the shorting type terminal blocks Store all shorting screws for future use in the holes provided in the terminal blocks Note Failure to remove the shorting screws will make all schemes...

Page 25: ...procedure described in the S C instruc tion sheet packed with the applicable fuse components b Install the fuses in the fuse mountings fol lowing the appropriate procedure described in the S C instru...

Page 26: ...the knockout opening with a rubber grommet or by taping Then apply a suitable compound to fill the space between the lead wires and the opening to prevent entry of moisture or rodents NOTICE Openings...

Page 27: ...h voltage cable The terminal blocks furnished with the optional auxiliary switch Catalog Number Suffix C9 optional remote indication feature Catalog Number Suffix Y4 and optional supervisory control f...

Page 28: ...voltage bus and supporting members 2 Make certain that switch operators if furnished are coupled to interrupter switches 3 Make certain that all selector switches on the source transfer control if app...

Page 29: ...te from the existing module by removing the appropriate hardware on the inside of the module See Figures 25 and 26 Also remove the cover plate for the ground bus See Figure 27 Apply gasketing between...

Page 30: ...r operations described in Steps 9 through 36 on pages 13 through 28 Step 4 Perform the precautionary checks listed under Before Walking Away on page 28 Step 5 Following the procedures outline in the W...

Page 31: ...it power operation of Mini Rupter Switches in response to opening and closing signals initiated from a remote location All Type PM Switch Operators include an integral motor for power operating the qu...

Page 32: ...nstant current output device like a current transformer and therefore primary fusing which is required by a voltage transformer is eliminated Secondary conductors of the voltage sensor are shielded fr...

Page 33: ...ional operation of all mechanical interlocks Failure to check these interlocks may result in personal injury or death Key Interlocks Interrupter switches whether manually operated or power operated by...

Page 34: ...conducted at no more than 0 75 times the values shown When making ac tests the time duration for application of the test voltage should be limited to less than 10 seconds 3 The column headed Dc is giv...

Page 35: ...s In addition qualified persons are available promptly from an electrical contractor experienced in high voltage or upon prior agreement from the serving utility Enclosure Finish The responsibility fo...

Page 36: ...ly disconnected from all sources of power properly connect ground ing leads to both sides of the equipment that is to the incoming and to the outgoing phases of the equipment to be maintained 6 Follow...

Page 37: ...nches K2 Stainless steel 12 inches K12 Mild Steel 6 inches All 25 kV modules B1 Stainless steel 6 inches B11 Mild Steel 12 inches B2 Stainless steel 12 inches B12 Copper Bus1 Main and ground bus All m...

Page 38: ...e Current Transformers 100 5 GB1 200 5 GB2 400 5 GB4 600 5 GB6 800 5 GB8 1200 5 GB12 Complete Provisions for Two Window Type Current Transformers3 GF1 Complete Provisions for Three Window Type Current...

Page 39: ...ng Modules GG1 1200 5 radios only GG2 Complete Provisions for Three Wound Type Bar Type Current Transformers34 All ratios except 1200 5 GG3 1200 5 radios only GG4 Mounting Provisions for Two Wound Typ...

Page 40: ...rmed using an external adjustable single phase source 3 In instances where a three phase test source is to be used an S C Voltage Limiter Three Phase Catalog Number TA 1741 must be fur nished for the...

Page 41: ...e compartment for connection of switch operators to user s wiring with power for the switch operators supplied by External control power user furnished 120 volt ac source to an S C furnished ac power...

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