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Operating Instructions

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1. 03403927EN REV AO 13 General description Internal arc draw out SF circuit breakers SF1 CEI 1250 A standard SF2 CEI 1250 A standard SF2 CEI 2500 A standard Internal arc draw out bar bridge 1250 A or 2500 A 14 03403927EN REV AO L Merl n Gerin Schneider Electric Identification General description Functional unit ORO SF draw out removable part O A nameplate gre OF C features descriptions and serial number B features descriptions and serial number How to read the Information on the front side Removable part Plug in disabling Schneider Electric fF SS C il
2. Proceed as shown opposite Be careful not to distort the cradle floor bearing surface Schneider Electric Merlin Gerin 03403927EN REV AO 5 Handling by rolling Handling Instructions Storage Prolonged storage 6 03403927EN REV AO When stored the equipment must remain It must be placed on a dry floor or damp in its original packing insulating material d Ye amp Fast 55 C 25 C For prolonged storage the device must to thoroughly clean all insulating parts by remain in its original packing means of a dry clean cloth prior to use After prolonged storage care must be taken Merl n Gerin Schneider Electric Handling Instructions U npac king the cradles The cradles must be prepared in the room Avoid impacts and deformation where they are going to be fitted Unpack the cradle by removing the wooden uprights and then the plastic cover Do not remove any component from the cradles Equipment After unpacking check that the features and gs n descriptions marked on the cradle rating identification plates meet the requirement given in the contractual documents Removing the transportation devices from the removable part Open the access door to the removable part by pulling and then rotating the handle rightwards
3. Operating instructions relating to 1 Remove the 2 transport reinforcements 3 and contact washers the standard cradle screws per reinforcement Tightening torque 8 5 Nm 2 Fit the 4 mounting screws of the frontplate 3 Flap locking kit Note before sending the cradle back fit the 2 reinforcements and their screws and bolts Schneider Electric Merlin Gerin 03403927EN REV AO 7 Handling Instructions Operating instructions relatingto 1 Remove the 2 transport reinforcements 3 bag of screws and bolts the internal arc withstand cradle screws per reinforcement Tightening torque 8 5 Nm 2 Fit the 4 screws used to fasten the front 3 Flap locking kit plate and contact washers contained in the Note before sending the cradle back fit the 2 reinforcements and their screws and bolts How to extract the removable part To extract the removable part and close the front plate with black door refer to Operating Instructions bac kg round section Operation 8 03403927EN REV AO MW Merlin Gerin Schneider Electric Glossary Ab
4. 1 mechanical opening push button 2 removable part position selector A removable part mechanical position indicator 3 removable part operating crank insertion B slot for the disconnecting truck lock aperture optional A locking pull for plug in disabling plug in disabling selector B slot for the plug in disabling lock 03403927EN REV AO 15 General description Symbols Cradle Plug in disabling position Padlockable position Es A Removable part Operating position Drawn out position 5 Plugged in position Insertion extraction position 5 2 16 03403927EN REV AO Schneider Electric Floor mounting M1 cradle M2 cradle Layout instructions This step will help to define your civil engineering basis floor support point floor fastening point 0 floor support point floor fastening point Plug in check on the operating site Schneider Electric Whenever a cradle has been fastened to the floor use the circuit breaker to check that plug in and interlocking as well the opening and closing of the flaps are performed correctly To insert and plug in the removable part and close the door refer to Operating Instructions section How to insert the removable part 03403927EN REV AO 17 Electrical connections Screws bolts and
5. Square D MW Telemecanique Schneider Electric fluair MV distribution factory built assemblies at your service Technical manual F400 cradle Contents Handling Instructions 3 Cradle types 3 Packing 4 Handling by lifting 5 Handling by rolling 5 Storage 6 Unpacking the cradles 7 Equipment identification 7 Removing the transportation devices from the removable part 7 General description 9 Glossary 9 Standard M1 cradle 9 M1 internal arc protection cradle 10 Standard M2 cradle 11 M2 internal arc protection cradle 12 Standard draw out SF circuit breakers 13 Standard draw out bar bridge 13 Internal arc draw out SF circuit breakers 14 Internal arc draw out bar bridge 14 Identification 15 How to read the information on the front side 15 Symbols 16 Layout instructions 17 Floor mounting 17 Plug in check on the operating site 17 Electrical connections 18 Connection of the earth bar 18 Insulation 18 Connection of Low Voltage cables 19 Operating Instructions 20 How to extract the removable part 20 How to insert the removable part 21 How to plug in the removable part 23 How to draw out the removable part 24 Padlocking 25 Testing 26 Switchboard dielectric test 26 Testing the current transformers 27 Busbar earthing truck 28 Maintenance Instructions 30 Ordering parts 30 Preventive maintenance 30 Maintenance points 30 Access to upper and lower plug in blocks 31 Trouble shooting 33 Low Voltage compartment 34 Mounting instruc
6. 1250 A 1250 A 2500 A 2500 A 3000 A 3000 A 1250 A 1250 A 2500 A 2500 A 3000 A 3000 A 118 127 118 127 118 127 118 127 118 127 118 127 1835 1833 ll ly y y y 219 219 770 1072 IE II IO IO IS IS IO ES IO IO 2a as MW Merl n Gerin 03403927EN REV AO 3 Packing Overland transport packing 2a Functional unit Sea transport packing 4c Functional unit 4 03403927EN REV AO Handling Instructions LOTT TLL 2 LATO ol YN 7 N 774 N E ES N Xx gt 4 Y ALEA ad Se ra eR PRA A y 7 NDG N I 1 RK i RZ P Re NY ge EY P go o o Nie amp SE Sr Ng Pee Wiss ZN a we Turn lt N A zs a Pirot ee IN ALE _ Y y 4 Noa I P ar ma Pare ne RZ a NY a Ll No z gt lt Wer Re Gid Ni ON F Se N 2 Sur ig Schneider Electric Handling Instructions Handling by lifting Functional unit Remove the transport hoops Sling up the device using the lifting lugs The slings must not form an angle higher Provide 2 m slings as a minimum than 60 Cubicle gradient must not exceed 10 Handling by rolling
7. in this case a sleeve D is screwed onto 1 Assemble the bars and connectors and fit a connector half End the fasteners 2 Bring up the screws and nuts to the limit stop in the order shown below but do not lock them in position 1 2 3 4 5 3 Using a torque wrench tighten the screws in the order recommended above in 2 successive runs m 1 run to a 25 Nm torque m 2 run to a final torque of 75 Nm 4 Fit the insulating cover F on the connector Lock it in position by means of 2 plastic bindings G Do not cut out Maintaining the busbar remove dust and clean the inside of the compartment and the insulators compartment BE Tightening torque The connections must be tightened by means of a torque wrench complying with the torque in Nm following torques 13 28 50 15 Schneider Electric Merlin Gerin 03403927EN REV AO 43 44 03403927EN REV AO MW Merl n Gerin Schneider Electric Schneider Group service centers are available for engineering and technical assistance start up training preventive and corrective maintenance adaptation work spare parts Call your sales representative who will put you in touch with your nearest Schneider Group Service Center or call directly Grenoble France on 33 0 4 76 57 60 60 Schneider Electric Industries SA As a result of the development of specifications and designs always ask for confirmation of F 38050 Grenoble cedex 9 the information given in th
8. it by successive eliminations Faults on LV circuit m trouble shooting by successive eliminations In Out of operation position m close it 03403927EN REV AO 33 Mounting instructions Low Voltage compartment Refer to the plan provided with the LV compartment kit Connecting the LV cables Access to connection terminal blocks Schneider Electric P plate 6 terminal block R terminal block S trough T aperture LV terminal blocks are located at the top of the LV compartment Loosen fastening screws and remove roof P The Low Voltage wiring can enter the cradle in 2 different ways depending on the equipment 1 Through the rear of the LV compartment 2 Through the bottom of the circuit breaker compartment of each cradle with trough S and aperture T communicating with the duct Q connection terminal block R auxiliary supply earth bar terminal block C Max duantity of cables 8 Multicore cable 20 mm To have access to aperture T remove trough S cover 03403927EN REV AO 34 Mounting instructions Adjustable voltage transformer Refer to the plan provided with the VT compartment kit How to operate the adjustable voltage transformers How to put the VTs in operation Initial status Schneider Electric Voltage transformers can be in the position in operation primary fuses and transformers connected to MV cables or switchboard busb
9. push the After maintenance lower the flap manually flap upwards until it locks then remove the padlock locking the lower flap 32 03403927EN REV AO MW Merl n Gerin Schneider Electric Trouble shooting Symptoms Abnormal noise with power on crackling vibrations Excessive overheating at connection points Operation requiring abnormal effort One of the power on Leds does not come on Circuit breaker does not close Schneider Electric Maintenance Instructions Faulty devices m insulators m metal components m upstream or downstream connection m connection m Led m wiring m power on Led functional unit m capacitor insulator m protection relay m wiring m LV circuit breaker m section switch Possible causes and solutions Damp or dirty m clean or dry them Incorrectly fastened m check fasteners Incorrect cubicle connection m check the connections Connections incorrectly tightened m retighten them see tightening torque contact surfaces ill adapted or damaged m change or clean them Anomaly resulting from deformation m adjust Abrupt handling MV network overvoltage m change the power on block Faulty m check it See wiring diagram Capacitor damaged m change the unit Insulator capacitor damaged m change insulator Operation incomplete m refer to the removable part extraction chapter Action of a protection m check the relay settings and remove the fault Faulty m check
10. separate operating mechanisms releasing cams that abut the polarization block located on the cradle floor extracted if necessary Busbar earthing truck F400 complies with the requirements of standard NFEN 60129 The MALT trucks are planned to be inserted in a 1250A cradle on the switchboard for the main earthing of the busbar Each double lock is then allocated to one of the sets of cubicles L H or R H by means of a central key box Polarization of MALT trucks The purpose of this optional device is to impose the draw out of all circuit breakers in Recommendations for operating MALT trucks The plug in of a MALT truck is performed by means of the propulsion mechanism used for circuit breakers crank The MALT truck is used in the following conditions m possibility of plugging in the MALT truck with the cradle MV door open or closed m the MALT truck only operates the lower flap of the plug in bells m the truck operates the plug in draw out contacts of the cradle m the positioning of closing springs is performed manually by means of the lever m opening closing operations are controlled by means of the buttons located on the front panel of the truck a Y set of cubicles and of the coupling before plugging in a busbar earthing truck The closing opening operations of the main contacts are performed manually by the operator with the cubicle MV door open m the O C separately m the truck can be inserted wi
11. the power on Led block Fitting Set the power on block according to the connector in the rear side arrow direction see above and plug the Tighten the 2 screws to a 0 1m daN torque Schneider Electric Merlin Gerin 03403927EN REV AO 41 Mounting the busbars Warning the bars and all the contact surfaces must be clean on mounting Busbar The kit is supplied in a separate parcel including the following parts O busbars O connectors and associated screws and bolts insulating covers Intermediate busbars Warning the sequence of operations and tightenings MUST be complied with Schneider Electric A connector half B bushing C bare or insulated bars hex socket screw 14 washer cover half Assemble the bars and connectors and fit the fasteners Bring up the screws and nuts to the limit stop in the order shown below but do not lock them in position 1 2 3 4 5 Using a torque wrench tighten the screws in the order recommended above in 2 successive runs 1st run to a 25 Nm torque 2ndrun to a final torque of 75 Nm Assemble the 2 cover halves E by exerting pressure on clips 03403927EN REV AO 42 Busbar End busbars A connector half E hex socket screw 14 washer B bushing F cover C bare or insulated bars G binding D screwed on sleeve Warning the sequence of operations and tightenings MUST be complied with Note
12. to insert the Open the access door to the removable part removable part by pulling and then rotating the handle rightwards Warning remove the threshold bar Insert the removable part in the cradle Schneider Electric Merlin Gerin 03403927EN REV AO 21 Operating Instructions E Move selector 2 to 47 O O Push the removable part into the cubicle until its is in abutment then move selector 2 back to position 3 D se A Connect the LV auxiliary connection cord Putting back the threshold bar a Ol Na I I Y ir A C Insert the threshold bar A tilting it slightly Loosen nuts D align slots B with threaded rods C then fit the threshold bar Closing the door with the removable part in place Warning if closing is impossible check the following points given in E and F aa a q 0 bhia 1 t e oe E Before closing the access door to the F Lift rod 2 topple locking part 1 over and removable part lift the panel and check thatit release rod 2 is properly latched at the top n gt Y n a si T N 2 The door closes but does not lock Clos
13. triggers a circuit breaker mechanical opening order Hold it down to move selector 2 to position Q Lift protection flap V of push button 1 Insert the crank in aperture 3 Draw out the removable part by rotating the crank counter clockwise until status change of position indicator A Move selector 2 to position 3 D The removable part is drawn out The cubicle is in disconnected position Schneider Electric Padlocking Disabling the removable part plug in Disabling the mechanical opening order of a circuit breaker in operation position Opening the flaps Operating the adjustable VT Schneider Electric Operating Instructions Padlock with o 6 to 8 mm can be used m on the plug in disabling selector m on the adjustable voltage transformer m onthe protection flap of the removable part operating mechanism mechanical opening push button m onthe flap opening mechanisms inside the removable part compartment Fit 1 to 3 padlocks on plug in disabling selector D in the following position O X This device can also be used as an additional plug in and draw out disabling system Fit a padlock on the protection flap of mechanical opening push button 1 Refer to Maintenance Instructions section Access to upper and lower plug in blocks Refer to Adjustable voltage transformer section How to operate the adjustable voltage transformers Merlin Gerin 03403
14. 927EN REV AO 25 Switchboard dielectric test Schneider Electric Testing This test can be performed in a single operation All circuit breakers must be plugged in and closed with the cradle doors open Furthermore one of the outgoing cradles must have its MV cable compartment open for the connection of the test cable 55 mm wedge This preparation requires the manual disabling of interlocking to plug in the circuit breakers with the door open The sequence below must absolutely be followed Position the circuit breaker in drawn out position with the door open Lift and lock the door locking rod by means of a 55 mm high U shaped wedge Plug in the circuit breaker Remove the wedge The manual closing of the circuit breaker by pressing button I is then possible by means of its mechanical control Indicator A indicates the status of the circuit breaker O or I The test can be performed 03403927EN REV AO 26 Testing the current transformers Warning the connection accessory must not damage the fixed block coating Schneider Electric Testing Injection at primaries An injection at the current transformer primaries is possible by access to the fixed Injection at secondaries The tests and settings will be preferably performed by injection at secondaries using 1 Extract the removable part Close the earthing isolator 3 Padlock the opening of the lower flap providing a
15. Electric Adjustable voltage transformer Replacing the VT position auxiliary contacts Removal Note to access the auxiliary contact block remove the closing plate A auxiliary contacts For the auxiliary contacts separate the crank on the compartment side and remove the 4 mounting screws Fitting Proceed in the reverse order Replacing the fuses of Put the VTs out of operation refer to section the adjustable voltage How to put the VTs out of operation transformers Release the two screws ra Rotate and remove the fuse Remove the fasteners and bayonet A from the fuse Schneider Electric MW Merl n Gerin 03403927EN REV AO 37 Adjustable voltage transformer and fit them on the new fuse Fully insert the fuse and rotate Lock the two screws to the recommended torque Put the VTs out of operation refer to section How to put the VTs in operation 38 03403927EN REV AO L Merl n Gerin Schneider Electric Interlocking the flap on the removable part compartment Flap interlocking Left hand side The plug in blocks are accessed by manual opening of the lower flap m on the busbar side in an incoming outcoming cubicle m on the left hand busbar side in a circuit breaker coupling cubicle After the removable part has been extracted from the cubicle the upper or lower flap can be locked by means of 1 2 or 3 padlocks Note the 2 ope
16. ars or out of operation primary fuses and voltage transformers disconnected Out of operation position In operation position A operating handle in the top position A operating handle in the bottom position B latch B latch C fuse ends visible D fuse extraction slot D fuse extraction slot E fuse slot retractable closing flap in closed position Handle A in top position flap E open and fuse 1 Push the latch to the left ends C apparent indicate that the 2 Pull the handle transformers are out of operation Merlin Gerin 03403927EN REV AO 35 How to put the VTs out of operation Initial status 36 03403927EN REV AO Adjustable voltage transformer 3 Lower the handle Handle A in bottom position and flap E 4 Block the assembly in position by pushing closed indicate that the transformers are in the latch to the right operation 5 Lock with a padlock u Handle A in bottom position and flap E 1 Remove the padlock closed indicate that the transformers are in 2 Pullthe handle operation 3 Push the latch to the left 4 Lift the handle Handle A in top position flap E open and fuse 5 Block the assembly in position by pushing ends C apparent indicate that the the latch to the right transformers are out of operation Merlin Gerin Schneider
17. breviations General description CT Current Transformer or current sensor LV Low Voltage MALT Mise A La Terre earthing MV voltage class from 25 to 36 kV NVC No Voltage Check SF range of SF6 circuit breakers used in the F400 cradle SMALT Sectionneur de Mise A La Terre earthing isolator VT Voltage Transformer Standard M1 cradle Front side Left hand view Schneider Electric A removable part compartment access door B removable part position check view ports C removable part interlocking and operating plate green GERIN ut s D removable part blocking Ei B A C 1 MV connection 2 removable part compartment d jai EI 1 jas ES 2 Els E E 03403927EN REV A0 9 M1 internal arc protection cradle Front side Left hand view 10 03403927EN REV AO General description A removable part compartment access door C removable part interlocking and operating B removable part position check view ports plate D removable part blocking Ta D o WY O A i i O 1 MV connection 2 removable part compartment li w I r 1 pi t 2 al EMS Schneider Electric Standard M2 cradle Front side Left hand view Schneider Electric General description C removable part interlocking and operating B view ports plate D removable part int
18. ccess to the fixed blocks on the busbar side 4 Access the fixed blocks on the current transformer side through the upper flap opening N Changing the winding ratios at the secondary Any change in the winding ratio is performed by access to a specific terminal board inside the low volage compartment see LV developed diagrams After testing 1 Remove the injection device 2 Close the upper flap 3 Remove the padlock blocking the opening of the lower flap plug in blocks located in the circuit breaker compartment the test and injection boxes provided in the LV compartment 5 Fit the injection device between the fixed block primary terminal P1 and the cubicle earth bar which can be accessed in the circuit breaker compartment Terminal P2 of the transformer is connected to the cubicle earth bars by means of the earthing isolator in closed position This operation is performed with the transformer primaries de energized and earthed by closing of the earthing isolator 4 Open the earthing isolator 5 Insert the removable part 03403927EN REV AO 27 Busbar earthing truck 28 03403927EN REV AO Testing The earthing of the Fluair 400 cradle busbar is provided by means of a circuit breaker type truck All circuit breakers in the switchboard can be Technical features Rated voltage 36kV Ith i e 25kA 3s Ith i e 31 5kA 3s Power on device no A double lock can be provided with
19. e the door 22 03403927EN REV AO MW Merlin Gerin Schneider Electric How to plug in the removable part Initial status Operation Final status Schneider Electric Operating Instructions Removable part The removable part is drawn out Operation should be allowed by means of the locks if fitted The circuit breaker LV auxiliaries are connected and the circuit breaker compartment door is closed If it is key locked insert the key in H Lower the protection flap of push button 1 Press push button 1 Hold it down to move selector 2 to position QR Lift the protection flap of push button 1 Insert the crank in aperture 3 Plug in the removable part by rotating the crank clockwise until status change of position indicator A and locking of crank in rotation Move selector 2 to position 3 The removable part is plugged in If a circuit breaker is used the electrical operation for switching on the downstream part of the equipment is now possible Her i Merlin Gerin 03403927EN REV AO 23 Operating Instructions How to draw out the removable part Initial status 20 Removable part m removable part in plugged in position Operation Final status 24 03403927EN REV AO L Merl n Gerin If it is key locked insert the key in H Lower the protection flap V of push button 1 Press push button 1 which
20. erlocking plate A removable part compartment access door ONO oT D A dan a of 1 busbar compartment 3 removable part compartment 2 MV connection Merlin Gerin 03403927EN REV AO 11 General description M2 internal arc protection cradle Front side A removable part compartment access door C removable part interlocking and operating B view ports plate D removable part interlocking plate Left hand view 1 busbar compartment 3 removable part compartment 2 MV connection 12 03403927EN REV AO L Merl n Gerin Schneider Electric Standard draw out SF circuit breakers SF1 CEI 1250 A standard SF2 CEI 1250 A standard SF2 CEI 2500 A standard General description Standard draw out bar bridge 1250 A and 2500 A Schneider Electric
21. in 03403927EN REV AO 19 Operating Instructions How to extract the removable part Initial status Removable part m The removable part is drawn out m The cradle is in disconnected position Operation Warning for cradles with internal arc withstand option loosen the 6 screws A before operating the handle Open the access door to the removable part Unplug the LV auxiliary connection cord Clip by pulling and then rotating the handle the cable on the circuit breaker rightwards Warning the threshold bar must be removed before extracting the removable part Move selector 2 to A wen extract the removable part by pulling the handles Warning to remove the threshold bar loosen the nuts on top of it threshold bar Pull out the removable part Schneider Electric Merlin Gerin 03403927EN REV AO 20 Operating Instructions Closing the door after extracting the removable part Warning the following steps MUST be followed to allow the door to be closed Panel Before closing the access door to the Inside the door pull locking part 1 Rod 2 removable part lower the panel goes down Warning put back the threshold bar N 2 The door closes but does not lock Close the door How
22. is publication Tel 33 0 4 76 57 60 60 Fax 33 0 1 47 51 80 20 EB This document has been printed on co friendly paper http www schneiderelectric com Publication Schneider Electric RCS Nanterre B 954 503 439 Layout Cabinet MARTINEZ SARL NANTES Printed by Cabinet MARTINEZ SARL NANTES 03403927EN REV AO 12 03 03403927EN REV AO 2002 Schneider Electric All rights reserved
23. oflex Topas L152 or equivalent m the earthing plate Kluber Amblygon TA 15 2 or equivalent Amblygon TA 15 2 type or equivalent to the plug in clamps m behaviour at the LV wiring connection points 03403927EN REV AO 30 Access to upper and lower plug in blocks Opening the flaps Schneider Electric Maintenance Instructions Left hand side Right hand side A lower flap latch finger B upper flap latch finger The plug in blocks are accessed by manual The plug in blocks are accessed by manual opening of the lower flap opening of the bottom flap m on the busbar side in an incoming m on the MV cable side in an incoming outcoming cubicle outgoing cubicle m on the left hand busbar side in a circuit m on the right hand busbar side in a circuit breaker coupling cubicle breaker coupling cubicle Left hand side Padlock the opening of the upper flap refer to section Flap interlocking Left hand side Using a screwdriver release latch finger A Push to open the flap After maintenance close the flap by lifting it manually until it locks then remove the padlock locking the upper flap Merlin Gerin 03403927EN REV AO 31 Maintenance Instructions Operating the upper flap Right hand side Padlock the opening of the lower flap referto Right hand side section Flap interlocking Using a screwdriver release latch finger B Holding latch finger B in position
24. rating mechanisms are separate Left hand side F padlocking G lower flap operating mechanism Schneider Electric Right hand side The plug in blocks are accessed by manual Opening of the upper flap m on the MV cable side in an incoming outgoing cubicle m on the right hand busbar side in a circuit breaker coupling cubicle 1 Position the part K and L 2 padlock Right hand side H padlocking J upper flap operating mechanism 03403927EN REV AO 39 Disabling the plug in of a removable part Key locking Removable part in drawn out position Remove the key when the plug in disabling selector is in the following position O X Draw out is then impossible Disabling the draw out of aremovable part or of a disconnecting truck Schneider Electric a I Remove the key when selector 2 is in position Draw out is then impossible 03403927EN REV AO 40 Power on device As soon as the cables have been energized the power on indicator Leds L1 L2 and L3 must come on Testing Power on Checking phase Phase coincidence coincidence between als nr lid the tester lamp comes on two cradles Check that power is off The power on indicator Leds are off It is recommended to lock the tester in this position Replacing the power on Led block Removal Mark and disconnect the wiring connector Remove the fasteners and free
25. th the earthing isolator SMALT closed or open m the SMALT remains operable with the MALT truck plugged in m the MALT truck is equipped with a separation prohibiting access to energized parts when the truck is plugged in buttons are padlockable Schneider Electric Testing Once plugged in the MALT truck is considered as potentially closed As aresult it does not have the following auxiliaries m auxiliary contacts indicating the status of m electric control systems to ensure the the MV main contacts remote opening closing controls The O C position mechanical indicator of HV contacts is m black for OPEN m white for CLOSED Schneider Electric Merlin Gerin 03403927EN REV AO 29 Ordering parts When preparing the order refer to this manual supplied with the system to define the equipment desired very precisely Maintenance Instructions To order any equipment you must indicate m type of cradle m manufacturing number engraved on the identification plate located on the left hand panel of the removable part compartment m f possible attach a diagram of this manual on which the part is conspicuous Preventive maintenance Before performing any task make sure of the strict compliance with operating and safety instructions Warning Schneider Electric cannot guarantee the durability and reliability of the equipment subjected to this type of cleaning process even if followed with lubrica
26. tightening torque Note all the necessary screws and bolts are supplied except for the MV cable connection Layout instructions Screws and bolts to be used Bolt joint for MV and LV indoor equipment Class 8 8 as per Standard ISO 225 i e yield strength Re gt 627 Nm mm2 The screws and bolts must not be lubricated Tightening torque Connections must be tightened by means of a torque wrench complying with the following torques Application method The force of the bolts tightened to the recommended torques is better distributed thanks to the use of spring washers located on the outer surfaces of the terminal pads and busbars If disassembly is performed replace spring washers torque in Nm Connection of the earth bar Front side mi Earthing connection point Insulation Warning dielectric insulation shields are not supplied 18 03403927EN REV AO Insulation shields to be installed N 1090 Top view Front side Y y Insulation shields to be installed Schneider Electric Layout instructions Connection of Low Voltage cables S trough T aperture P d E Through the bottom of the removable part Multicore cable 20 mm compartment of each cradle with trough S T0 have access to aperture T remove trough and aperture T communicating with the duct S cover Max quantity of cables 8 Schneider Electric Merlin Ger
27. tion Our equipment is designed to guarantee optimum operation provided that the maintenance instructions described in this manual are strictly adhered to The main risks related to this process are as follows m de lubrication of sliding rails and joints life lubricated m corrosion of unprotected parts m damage and deformation due to high pressure Start each maintenance task with the thorough cleaning of the cradle The use of pressurized solvent projection as a cleaning process is prohibited m overheating due to solvent on contact areas m elimination of special protections Maintenance points Removable part Warning should clamps be damaged the corresponding MV fixed block in the cradle shall be inspected Warning prior to any application remove the old grease Removable part compartment Warning for electric contacts do not use grease of Kluber Isoflex Topas L152 type or equivalent Warning prior to any application remove the old grease Remove dust and clean the inside of the compartment and the plug in insulating parts Schneider Electric Extract the removable part refer to section How to extract the removable part Referring to its user s manual perform an overall check of the system m Clean insulating parts m Apply a thin film of grease Kluber Extract the removable part Check and lubricate m pins and joints mechanisms and sliding rails of flaps Kluber Is
28. tions 34 Connecting the LV cables 34 Schneider Electric Merlin Gerin 03403927EN REV AO 1 2 03403927EN REV AO Contents Adjustable voltage transformer Mounting instructions How to operate the adjustable voltage transformers Replacing the VT position auxiliary contacts Replacing the fuses of the adjustable voltage transformers Interlocking the flap on the removable part compartment Flap interlocking Key locking Disabling the plug in of a removable part Disabling the draw out of a removable part or of a disconnecting truck Power on device Testing Power on Checking phase coincidence between two cradles Replacing the power on Led block Busbar Mounting the busbars Intermediate busbars End busbars Maintaining the busbar compartment 35 35 35 37 37 39 39 40 40 40 41 41 41 41 42 42 42 43 43 Schneider Electric Cradle types M1 cradle M2 cradle Handling Instructions IL mire i o WL A ls i d i p k E Dimensions Width cm Height cm Depth cm Weight kg Packing type the weight of cubicles includes the circuit breaker weight Schneider Electric M1 cradles M2 cradles

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