Mechanical key-type interlocking Assembly - Operation
Contents
1. A1 12 C1 J J C2 AMTNoT153 02 FBX AMTNoT 153 02 Operating interlocks contd Use of ring interlock between 2 C functions with connection in parallel forbidden De energising the ring with passage of Commissioning the second incoming feeder Open load break switch C2 and lock with key 1 then key 3 Keys 1 and 2 should be m Recover keys 1 amp 3 Return to C2 present in the locks of open load break switches The earthing switches C2 amp C3 are locked open using keys 1 amp 2 Close the earthing switch Lock the load break switch Introduce key 3 into the Introduce Key 2 into the C1 with key 3 lock of the load break switch earthing switch lock and C1 and unlock it immediately unlock immediately m Recover Key 3 m Close the load break Verify that there is no switch C1 voltage across the voltage indicator units m Introduce this key intothe GotoCs Close the earthing switch second lock of the load break switch C2 and unlock it immediately Close the load break m Recover Key 2 switches C2 amp C3 Introduce Key 1 into the earthing switch lock and unlock it immediately Check that there is no voltage across the voltage indicator units FBX 1 C C T1 FBX 2 C ri ae n 1 Sn ir2. x A 1 Insulated transformer A ce Generator Unit AMTNoT153 02 Schneider 11 Electric FBX 12 Schneider Electric Installation of operating interlocks Ordering key type interlocks For all interlock orders it is necessary to enclose the material characteristics data sheet Clearly identify the mechanical control type mechanism before ordering the interlock kit Stating m The type of lock chosen Ronis or Profalux The type of interlock Spare key supply On request Schneider Electric may sometimes supply spare keys to locks A The spare keys must be kept in a dedicated closed key safe not supplied Lock and key references Use FBX function Low Transformer TR TR LV Voltage LV urn left 1 4 turn Direction A m Representative of a turn right to leave the key captive Ronis Direction B AMTNoT153 02 FBX AMTNoT 153 02 Installation of operating interlocks contd General installation precautions Prior to fitting the locks mark the direction and location on the plate A Respect the tightening Torques DO NOT OVER TIGHTEN ui Intervention levels Definition Levels Operations recommended in the instructions manual installation operation maintenance carried out bysuitably qualified personnel having received training 1 allowing them to intervene whilst respecting the safety rules Com
3. eC eC HC eC N ern nenn Non return interlock HV LV Transformer Prohibits access to the Functional Unit s cable compartment and transformer as long as the Functional Unit and the LV circuit breaker are in service closed Applies to Functional Unit s T1 see page 10 and T2 see page 10 i 9 Schneider Electric FBX Operating interlocks conta Use of HV LV Transformer non return interlocking on a T1 function 10 Commissioning Lock earthing switch open using Key 1 Goto the low voltage switchboard introduce Key 1 into the CB lock and unlock it immediately Plug in then close the LV CB Come back to function T1 m Close the load break switch of the function T1 Function T1 De energizing Open the load break switch of function T1 Goto the LV switchboard open and unplug the main CB Lock this CB in its withdrawn position using Key 1 m Recover key 1 and go back to function T1 Introduce Key 1 into the earthing switch lock and unlock it immediately Check that there is no voltage across the voltage indicator units Close the earthing switch Lock earthing switch using Key 2 Goto the transformer 1st case insulated transformer unlock transformer access or plugin terminals using Key 2 2nd case transformer with a double lock fitting introduce key 1 into the transfer lock r
4. AMTNoT 153 02 Function C General Interlocking by locks Interlocking using key locks is a necessary requirement to Guarantee certain operational functions have the switchgear controlled by a line isolator or earthing switch m block access This manual deals with the two types of key lock type locking locking a function Operational interlocking Operations and exploitation instructions The information given in this manual is required for the elaboration of operating instructions and use of the equipment These procedures are specific to each individual installation and are produced by the customer The instructions for operational use must be displayed on the Functional units concerned Changes or modification to installations Any changes or modifications to the installations must trigger an update of the padlock interlock orders and the associated documents A general interlock plan must be systematically drawn up and updated as and when the installation is changed Locations of key locks on the control panel Key Lock load break switch open Additional lock Load break switch Open Key lock Earthing switch Open Key lock Earthing switch Closed Lock load break switch Open PD Installation of key type interlocks on site The installation of key type interlocks requires Purchase of the components and elements required Theuse of suitable tools See page 6 Fit
5. Electric Schneider 35 Schneider Electric 35 rue Joseph Monier CS 30323 92506 Rueil Malmaison Cedex France RCS Nanterre 954 503 439 Capital social 896 313 776 www schneider electric com AMTNOoT 153 02 As standards specifications and designs change over time request confirmation of information provided in this publication YX This document was printed 9 on environmentally friendly paper Publication Schneider Electric Design Schneider Electric Printing 12 2010 2011 Schneider Electric All Rights Reserved
6. e Equipment for the support ueesssunessssssnenennnennnennnnnnnnnnennnnnnnennnnnnen nennen 24 o Assembly of two Ronis Nogapi lOCKS ccccccsseseeeeeeeeeeeeeeeesaaaeeeeeeeeeaneees 26 AMTNoT153 02 FBX AMTNoT 153 02 Content conta e Equipment for the support cc ceeccccaeeeceeeeeeeceeeeeeeeeeeeeeeeseeeeeesaneeeeeanes 27 o Locks with MICrO SWItCNES cece ccecccceeeeceeeeeceeeeecaeeeeseeeesaeeeeseeeesseeeesaeeese 27 Fitting a load break switch key type interlocking assembly 28 BGE ee een 28 O Supply interlock kit u00000442400000BRnnennnnn nn nnnnnnnnn nn nnennnnen nn nnennnnnn nennen 28 o Identification and locking out of the Functional Unit to be equipped with an mterlocking GE VICE ssiexccoisceecnsannectnuscpetnnnsapincusersecainemennassaesinasaniauancseceeuannseniiancnes 28 o Location of the assembly uussssnnenseneesnnnennnnnenennennnnennnnennnnnnnnnennnnnen nen 29 o Removal of the interlocking device ccecceeceeseeeeeeeeeeaneeeeeeeeeaaeseeeeeeeaas 29 o Extraction of the mechanical control mechanism ccccceeeeceeeeeeeeeeeaes 29 Installation of the interlocking device of the load break switch 31 e Fitting the interlocking device end Stop cceccceseeeeeeseeeeeeeaeeeeeeaeeeeeeeaees 32 o Preparation of the front plate 0 0 0 0 cccccccessececeeeecee
7. fix the device using the 2 screws without tightening them AMTNoT153 02 DER Fitting an earthing switch key type interlocking assembly contd Functions C amp T1 position a shim under the probe in order to obtain the 10 mm dimension Function T2 no shim Assemble the probe and the earthing switch position indicator with the bolt supplied Allen key size 3 7 mm open ended spanner Check that the key turns easily without blocking in the barrel of the lock Displace the assembly laterally and in depth to obtain the correct operation Tighten the 2 fixing screws Preparation of the front plate Mark the cut out to be removed from the plate AMTNoT153 02 Schneider 21 Electric er Fitting an earthing switch key type interlocking assembly contd m Using a hammer and a large pin punch remove the cut out m f necessary slightly file down the parts which are not completely flat and smooth Re fit the front plate on to the Functional Unit C Allen key size 4 Operating tests Proceed with operating mechanical tests of the interlocking device 22 Schneider AMTNoT153 02 Electric FBX Preparation of aload break switch key type interlock sub assembly Context With the supply of a key type interlock kit this assembly is already done Therefore go to chapter 9 directly Nevertheless in certain cases modifications replacement etc these assemblies may have to be removed an
8. key type interlock sub assembly conta Hook on the spring in to the indicated hole at the rear of the support Hook the other extremity of the spring on to the drive pin Check that the device is functioning properly whilst operating the key several times Assembly of two Ronis Nogapi locks Directly fix the barrels on to the locks of the support 1 Tighten the nuts 26 mm spanner m Place the spring 2 26 Schneider AMTNoT153 02 Electric pen Preparation of aload break switch key type interlock sub assembly cconta Position the 2 cams 3 as shown above m Tighten the nuts key 40 R 16 Position the spring 4 Equipment for the support Proceed in exactly the same way as for chapter Equipment for the support in page 23 Locks with micro switches m The micro switch is fixed on to the rear side of the device The micro switch is held in place by 2 screws moderately tightened The wiring loom is connected up by two elbowbend lugs AMTNoT153 02 Schneider 27 Electric FBX 28 Schneider Electric Fitting aload break switch key type interlocking assembly General Load break Earthing Intervention Duration Busbar Cables switch switch De De De Locking out the Functional Unit All locking out operations must be performed according to the particular rules for the network concerned Normal Closed Possible Closed Tools required plea
9. must be performed according to the particular rules for the network concerned Normal Closed Possible Closed Tools required please referto page 6 Parts required interlock kit see Supply interlock kit Supply interlock kit Key 1 Locking devices 2 Captive nut positioned on the support waiting to be assembled on to the FBX cross member 3 Assembly bolt not tightened 4 Fixing bolt Identification and locking out of the Functional Unit to be equipped with an interlocking device On the table identify the position of the Functional Unit to be equipped 1 2 3 or 4 See lock out instructions in page 13 If necessary lock out the load break switches and earthing switches Fitting of an earthing switch key type interlock assembly to a C function The interlocking device is equipped with see page 15 m Remove the front panel Allen key size 4 Mark the position of the interlocking device 19 Schneider Electric FBX 20 Schneider Electric Fitting an earthing switch key type interlocking assembly contd m Recover the 2 captive nuts and slide them on to the 2 holes of the front cross member Insert the entire device through the inside of the compartment I If necessary remove the locking devices of the panel in accordance with page 29 Position vertically the device on to its 2 fixing points m Check that the mobile blanking piece is in its housing Align and
10. to the non respect of the recommendations in this manual which make reference to the international regulations in force due to the non respect of the instructions by the suppliers of cables and connection accessories during installation and fitting operations of any possible aggressive climatic conditions humidity pollution etc acting in the immediate environment of the materials that are neither suitably adapted nor protected for these effects This user manual does not list the locking out procedures that must be applied The interventions described are carried out on de energized equipment in the course of being installed or locked out non operational Particular instructions for operations and interventions on energized equipment When commissioning and operating the equipment under normal conditions the General safety instructions for electrical applications must be respected protective gloves insulating stool etc in addition to standard operating instructions All manipulations must be completed once started The durations for completing the operations mentioned given in the maintenance tables are purely an indication and depend on on site conditions Other technical notices to be consulted AMTNoT131 FBX IS Installation Commissioning AMTNoT132 FBX IS Operations Maintenance AMTNoT146 FBX C13100 Operations Maintenance Symbols amp conventions 06 Code for a product recommended and mark
11. 00 7 days per week 24 hours per day 33 0 3 85 29 36 30 or 33 0 3 85 29 36 43 Free phone No 0 800 40 27 62 4 Schneider AMTNoT153 02 Electric FBX AMTNoT 153 02 Overview Schneider Electric 2010 Schneider Electric Schneider Electric logo and their figurative forms are Schneider Electric registered trademarks The other brand names mentioned within this document whether they be copyright or not belong to their respective holders Eco design concept and revalorization of the materials used The design and life cycle of the equipment and switchgear manufactured by Schneider Electric take environmental requirements into account see page 10 The design and manufacture of our packaging are both in conformity with the French government decree N 98 638 of 20 July 1998 concerning the account that is taken of environmental requirements Responsibilities Our devices are quality controlled and tested at the factory in accordance with the standards and the regulations currently in force Apparatus efficiency and apparatus life depend on the compliance with the installation commissioning and operation instructions described in this user manual Non respect of these instructions is likely to invalidate any guarantee Local requirements especially about safety and which are in accordance with the indications given in this document must be observed Schneider Electric declines any responsibility for the consequences due
12. Medium Voltage Distribution FBX Mechanical key type interlocking Assembly Operation Instructions Schneider www schneider electric com LP E ec t r C FBX 2 Schneider Electric Content u MOUII g an tren a rtree a ter te rae tr rrr sant irr enon ty 4 o Our Service Unit our specialists and suitably adapted services 4 OV CRN onneen 5 o Eco design concept and revalorization of the materials used 5 o Responsibilities gezcnssaaccuiastesatmaceanseasenndeaetvonranduneeboesdeseaenennyeansadsecsaeaenzounengecaceasd 5 o Particular instructions for operations and interventions on energized equipment 5 o Other technical notices to be consulted u002222200020nnennennnen nennen 5 o Symbols amp CONVENTIONS cccccseeeeeeeeeceeeeeseeeeeeaeeeeeeeeeeaseeeeeeeeeeaaeueeeeeesaaaasees 5 o Tools not supplied required for the operations described in this user hare 1g 0c EEA E ENT I T A E ETETE EA A IAA AT 6 o Tightening torque values for standard assemblies nut bolt 6 o Symbols representing the actual position of the keys ccseeceeeeeeeeeees 6 DEC ne cece T E E ead AT E E us 7 A INIETIOCKING DY IO CK ea een EEE 7 Operations and exploitation instructions 0s2222000022nnnennnnnnennnnnneennnn 7 o Changes or
13. ceeeeeeseeeeeeeseeeeeeseaneees 33 o Mechanical operation tests cccccccccsececeeeeeceeeeeseeeeesee cesses eesseeeeseeeesseeeees 33 BNOS ARE SER NER EEE UNS ERDESLE END NER SENSE EEE OR EL EREESENDE EIER ER TERSUE NND EERERENENE 34 3 Schneider Electric FBX Introduction Operations and maintenance may only be carried out by personnel who have received suitable authorisation for the operations and manoeuvres they are responsible for performing If this is not the case please refer to our Service Unit or Training Centre All locking out operations must be performed according to the General Safety Instructions booklet for Electrical Applications UTE C 18 510 or its equivalent outside FRANCE Our Service Unit our specialists and suitably adapted services Guarantee extension contracts in relation to the selling of new equipment Supervision of HVA switchgear installations Technical advice diagnoses of the facilities expertise m Maintenance contracts adapted to operational constraints Systematic or conditional preventive maintenance Corrective maintenance in case of partial or complete failure m Supply of spare parts Overhauling of equipment and requalification of installations in order to benefit from new technologies and extend the life of your switchgear by limited investments Contact the Schneider Electric Service Unit for diagnoses and advice Working hours 33 0 3 85 29 35
14. d then re fitted on the site Precautions For fitting the locks it is necessary to mark their direction and their location on the plate in accordance with page 7 Locking 1 4 turn left Fitting a Profalux Nogapi lock Fitting a barrel on to the support Insert a ring on to the barrel of the lock Position the barrel on to the support as shown Tighten the nut 26 mm spanner Position the cam AMTNoT153 02 Schneider 23 Electric nr Preparation of aload break switch key type interlock sub assembly ccontd Introduce the key and turn it to place it in a flat position Screw in and tighten the nut to the indicated torque whilst maintaining the barrel of the lock key 40 R 16 Equipment for the support Grease the part above and underneath the vertical lug of the support m Grease the passage slot of the blanking off piece Grease the 2 sides of the blanking off piece AMTNoT153 02 24 Schneider Electric FBX AMTNoT 153 02 Preparation of aload break switch key type interlock sub assembly conta Insert the blanking off piece intothe slot of the support mu At the same time the lug of the suppport must go in to the notch of the blanking off piece Maintain the blanking off piece raised whilst moving it on to its drive pin Fita flat washer Fitthe circlips Schneider 25 Electric en Preparation of aload break switch
15. e 16 Schneider AMTNoT153 02 Electric FBX AMTNoT 153 02 Preparation of anearthing switch key type interlock sub assembly conta Hook on the spring to the support Position the mobile blanking A piece as shown Remain vigilant because in this position the spring is taut Insert the keys and turn them to place them in a flat position Position the 2 shims the narrowest part at the bottom Position the 2 shims as shown Position the cams as shown Screw on the nut positioned at the extremity to maintain all of the equipment on each barrel Schneider 17 Electric nr Preparationofanearthing switch key type interlock sub assembly ccontd Tighten to the indicated torque 16mm spanner Apply grease to the 2 faces of all of the slots of the blanking piece Position the blanking piece in its location m Fix the blanking piece using 2 CHC M4x6 bolts ES4 washers M4 flat washers Allen key size 3 m Tighten the 2 screws Position the probe in order to operate either of the keys m Make sure that the keys turn easily and that there is no friction AMTNoT153 02 18 Schneider Electric FBX AMTNoT 153 02 Fitting an earthing switch key type interlocking assembly General Load break Earthing Intervention Duration Busbar Cables l switch switch 1h 30 oss De Open energized energized Locking out the Functional Unit All locking out operations
16. ecover key 3 to gain access to the transformer 3rd case transformer with metalclad enclosure gt 2000kVA or with external plug in terminals introduce key 2 into the transfer lock recover key 3 to gain access to the transformer recover key 4 to gain access to the transformer or the plug in terminals Sl a es es Low Voltage 2 3 Transformer with enclosure gt 2000kVA or with external plug in or terminals RJ 4 ARELA m n es Low Voltage INA Bs 2 Transf ith x A1 ransformer with a IF double lock fitted Ja or AA Os Low Voltage Schneider Electric Al ce Generator Unit AMTNoT153 02 FBX Operating interlocks conta Use of HV LV Transformer non return interlocking on a T2 function Commissioning Earthing Switch is already locked open with key 1 m Recover Key 1 Goto the low voltage circuit breaker introduce Key 1 into the CB lock and unlock it immediately Plugin then close the LV circuit breaker De energizing Trip the circuit breaker Open the line isolator Goto the LV switchboard open and unplug the master circuit breaker Lock this circuit breaker in its withdrawn position usin
17. eeessusessuenenes 13 o Interlocking assemblies using locks Earthing switch open load break SWR OD ee ee ere vee ener eer renee a errr ere 13 o Preparation of the Functional Unit ccccccceseceeceeeeeeeseeeeeseeeeeeesaeees 13 a Preparation of an earthing switch key type interlock sub assembly 15 TB a gt gt EEE EEE EEE TE AT E EE E EET 15 Bi PFEGAUHOHS coiro nnn r une Ee a rer ia 15 o Fitting of two Ronis Nogapi lOCKS ccccccceeecceceeseeeeceeeeeeeceeeeeeseeeeeeesnaees 15 Fitting an earthing switch key type interlocking assembly 00008 19 aE E RE A ETE AE ES 19 o Supply interlock Kit ea 19 o Identification and locking out of the Functional Unit to be equipped with an interlocking devie erent nr re tr rr eT ts terete ee Terre er Tr 19 o Fitting of an earthing switch key type interlock assembly to a C function 19 o Preparation of the front plate uuss222000ssnsnnnennnnnennnnnnnnennnnnnn nennen 21 By Operating tests era nennen nenne AARETE ernennen ae 22 Preparation of a load break switch key type interlock sub assembly 23 ELS gt NEIL NEE NEIN EHEN IE EIER E 23 Er PIELAUNDN Saar 23 o Fitting a Profalux Nogapi lock cccccsseeeeeeeeeeseeeeeeeeeeaaeeeeeeeesaaeeeeeeeeeeaeases 23 e Fitting a barrel on to the support uussssuenensnnennnenennnnennnonennn nennen ennnen 23
18. eted by Schneider Electric N Tightening torque value Example 1 6 daN m Mark corresponding to a key CAUTION Remain vigilant Precautions to be taken in order to avoid accidents or injury DOE FORBIDDEN Do not do it Oy Compliance with this indication is compulsory non compliance with this stipulation may damage the equipment B if 2 INFORMATION ADVICE il Your attention is drawn to a specific point or operation 5 Schneider Electric FBX Overview contd Tools not supplied required for the operations described in this user manual Spanners 7 10 13 16 26 mm Sprit 40 R 16 open ended spanner Te Ratchet handle 2 extensions universal joint socket GE sizes 10 and 13 mm Torque wrench socket sizes 16 26 Allen key for hexagonal screw size 3 4 Flat headed screwdriver gt Hammer Pin punch File Torx 2 5 screwdriver Reamer Tightening torque values for standard assemblies nut bolt Threaded fasteners without grease assembly with ungreased washers Threaded fasteners with grease mounted with the washer greased Use grease referenced A 0 Diameter Zinc plated steel fasteners Stainless steel fasteners without grease daN m with grease daN m Class 6 8 Class 8 8 A2 70 M 6 0 7 0 9 0 7 Symbols representing the actual position of the keys m Key free fitted oO m Key absent m Key captive 6 Schneider AMTNoT153 02 Electric FBX
19. g 1st case insulated transformer unlock transformer access or plugin terminals using Key 2 2nd case transformer with a double lock fitting unlock transformer access with key 2 Key 1 m Return to the Functional m Recover key 1 and go Unit back to function T2 recover key 3 to unlock the plug in terminals Close the line isolator Introduce Key 1 into the 3rd case transformer with earthing switch lock and metalclad enclosure gt unlock it immediately 2000kVA or with external plug in terminals Re arm and trip the circuit Check that there is no introduce key 2 into the breaker voltage across the voltage transfer lock indicator units Close the earthing switch recover key 3 to gain access to the transformer Lock earthing switch using recover key 4 to gain Key 2 access to the transformer or the plug in terminals Goto the transformer a ss Low Voltage Function T2 234 nn AAN As 3 Transformer with 7 R1 enclosure gt 2000kVA n or with external plug in or terminals NA m a ss Low Voltage T HA3 oo y Ait 2 Transformer with a Je double lock fitted i 23 VBE Hc wo I SO ee Low Voltage A aA 2 Freeze
20. ition Tighten the 2 fixing screws of the support whilst checking the free functioning of the interlocking device Re fit the mechanical control mechanism on to the FBX whilst poceeding in reverse order as for dismantling see page 29 A Replace the 4 self locking nuts by new ones Tighten to the indicated torque Fitting the interlocking device end stop for the marks see page 28 Very lightly bore the 2 holes of the fixing screws m Place the end stop 5 Screw in the 2 screws 6 washers 7 and 8 without tightening Torx 2 5 screwdriver It is necessary to close the load break switch to adjust the end stop Caution the busbar may be energised AMTNoT153 02 FBX AMTNoT 153 02 Fitting aload break switch key type interlocking assembly contd m Slightly incline the end stop to avoid it leaving the cam when in operation m Keep a space of 1 5 to 2mm between the end stop and the cam This space avoids any risk of shock during the operations Moderately tighten the 2 screws Preparation of the front plate m Remove the corresponding cap of the lock m If necessary slightly file down the parts which are not completely flat and smooth m Replace the plate Mechanical operation tests Proceed with mechanical operating mechanical tests of the interlocking device Schneider 33 Electric Appendices Notes Electric ee Schneider AMTNoT153 02 Appendices AMTNoT 153 02 Notes
21. modification to installations ccccccceeeesseeeeeeeeeseeeeeeeeeeaaaees 7 Locations of key locks on the Control Panel cccccccceecceeeeeeeeeseeeeeeseeeees 7 o Installation of key type interlocks on site 22u00222220snnnnnnennnnnnnennennneennn 7 m Operating interlocks cr a aan he 8 g Role and applicators ee ee 8 o Interlocking the ring between two Functional Units u nn 8 o Use of ring interlock between 2 C functions unneessenesnnneenennennnnennnnne nn 8 o Use of ring interlock between 2 C functions with connection in parallel for 0 6 0 9 PAE EE ST eon E T eee ee eee ee 9 o Non return interlock HV LV Transforme cccccccceeceeceeeeeeeseeeeeeesaeeeeees 9 o Use of HV LV Transformer non return interlocking on a T1 function 10 o Use of HV LV Transformer non return interlocking on a T2 function 11 Installation of operating iNterlOCKS ccccessseeeeeeeeeeeeeeeeeseeeeeeeeeeseeaaeeeneenees 12 o Ordering key type interlocks ccccceceseeeeeeeeeeaaeeeeeeeeeeaeaeeeeeeeeaaeaeeeeeeeaaaaes 12 a Spare key SUNY ae 12 o Lock and key references cccssecccccesssseceeeceaneseeeeseaeeeeeeeessaageeeeeessananes 12 o General installation PreCautions ccccccccceeeeececeeeececeeeeeeeeeeeeeeseeeeeeseeeeees 13 o Intervention levels ccccssecccsseeceessecceececsuseeceucessueeecsueceseusessu
22. plex operations requiring specific expertise and the implementation of support equipment in accordance with Schneider Electric procedures These are carried out by Schneider Electric or by a specialised technician trained by 2 Schneider Electric in the implementation of procedures and who is equipped with specific equipment All preventive and corrective maintenance all renovation and reconstruction 3 work is carried out by Schneider Electric Interlocking assemblies using locks Earthing switch open load break switch open Fitting of locks Levels Functions 1 2 3 Preparation of the locking casing of the earthing switch u Fitting locking operations by keylocks to the earthing switch I u Preparation of the locking casing of the load break switch m Fitting a lock type interlock on the load break switch u Preparation of the Functional Unit Load break Earthing Intervention Duration Busbar Cables l switch switch De De Locking out the Functional Unit All locking out operations must be performed according to the particular rules for the network concerned Normal Open Possible Tools required Please refer to page 6 If wiring is present m de energize the LV auxiliary power supplies disconnect all of the wires connected to the control mechanism For all interlocking installation operations it is necessary to remove the FBX front plate 13 Schneider Electric nr Ins
23. se refer to page 6 Parts required interlock kit see page 28 shim Supply interlock kit Key Fitted support Bolts Self locking washer Additional self locking washer for T 1 End stop Self tapping screws Self locking washer Flat washer CONDOOABRWDNDY o Om _ Identification and locking out ofthe Functional Unit to be equipped with an interlocking device On the switchboard identify the position of the function to be equipped 1 2 3 or 4 See lock out instructions in page 13 If necessary lock out the load break switches and earthing switches AMTNoT153 02 FBX AMTNoT 153 02 Fitting aload break switch key type interlocking assembly contd Location of the assembly m The mechanical control mechanism is accessible m The locking operation by keylocks will be fitted in the upper part Removal of the interlocking device mu Using a marker mark out the position of the vertical locking device on its support m Unscrew and remove the 2 fixing bolts 2 open ended spanners size 10 a Extract the vertical locking device Extraction of the mechanical control mechanism Insert the earthing switch lever m Operate the earthing switch very slowly so that its blades are lifted 29 Schneider Electric gt Fitting aload break switch key type interlocking assembly contd Position the shim on the lower rear side of the spring m Leave the earthing switch
24. tallation of operating interlocks conta Unscrew the 2 fixing screws of the panel size 4 Allen key m Remove the panel 14 Schneider AMTNoT153 02 Electric Jo Preparationofanearthing switch key type interlock sub assembly Context In the supply of a key type interlock kit this assembly is already done Therefore go to page 19 directly Nevertheless in certain cases modifications replacement etc these assemblies may have to be removed and then re fitted on the site Precautions 1 4 turn 1 4 turn left right Earthing switch open Closed Fitting of two Ronis Nogapi locks For fitting the locks it is necessary to Interlocks mark their direction and their location on the plate in accordance with page 7 m Insert a ring on to each barrel of the lock Position the barrels on the support Fix the barrels on to the support 26 mm spanner Tighten to the indicated torque m Fit the probe with a CHC M4x12 bolt ES4 washer Nylstop nut Do not tighten this bolt AMTNoT153 02 Schneider 15 Electric nr Preparationofanearthing switch key type interlock sub assembly ccontd Apply grease to the 2 faces of the slide of the probe m Place an M6 flat washer on to this stud with a small deposit of grease Position the probe as shown m Fix the probe using a CHC M4x6 bolt ES4 washer M4 washer Allen key size 3 Hook on the spring to the mobile blanking piec
25. ting instructions see page15 amp 19 7 Schneider Electric FBX 8 Schneider Operating interlocks Role and applications Operational interlocks are used to control the sequences of operational manoeuvres and lockout operations under normal service and safety conditions Interlocking the ring between two Functional Units Conditions the closing of the earthing switch on a Functional Unit in relation to the opening either of a load break switch or the line isolator on the second Functional Unit Only applies to C functions see page 8 There is no ring interlock between the 2 T2 functions Use of ring interlock between 2 C functions Commissioning De energizing Open load break switch C2 and lock with key 2 Close the earthing switch The earthing switches are locked open using keys 1 amp 2 Keys 1 and 2 should be m Recover Key 2 Return to C2 present in the locks of open load break switches m Unlock then close the a GotoC1 Introduce Key 1 into the switches earthing switch lock and unlock immediately Open load break switch Verify that there is no and lock with key 1 voltage across the voltage indicator units m Recover Key 1 Close the earthing switch Introduce Key 2 into the earthing switch lock and unlock it immediately Check that there is no voltage across the voltage indicator units FBX 1 C FBX 2 C
26. to rest again on this shim The shim is in place m Remove the operating lever for the earthing switch Unscrew the 4 self locking fixing nuts 3 to the left 1 to the right of the control mechanism m Use gloves to take hold of the control mechanism Extract the control mechanism whilst pulling the 2 drive rods in the lower part 30 Schneider AMTNoT153 02 Electric FBX AMTNoT 153 02 Fitting aload break switch key type interlocking assembly contd Installation of the interlocking device of the load break switch for the marks see page 28 u Place the mechanical control mechanism in a flat position Screw in the 2 screws by two threads 2 with 1 washer each 3 h Place 2 washers under each screw for a functional interlocking T1 m Grease the passage of the support First of all insert the support 1 on to the 2 bolts between the washers and the plate of the mechanical control mechanism m Then secondly hook the small lug on at the front of the support behind the back of the plate i 31 Schneider Electric FBX 32 Schneider Electric Fitting aload break switch key type interlocking assembly contd Then centre the support in the passage slot which has been previously greased Align the support in relation to the edge of the mechanical control mechanism m Check the free functioning of the interlocking device The key must go back to the original pos
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