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Maintenance procedure

1. auxiliaries NIII 2 2 doc 3 3 Schneider Electric Merlin Gerin Maintenance Masterpact NT NW Level Ill programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 17 October 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Control and indication auxiliaries Check operation of control auxiliary MX at 0 7 Un Check that MX opens the circuit breaker at 0
2. Document Indx modifications ee ee ee auxiliaries NIII 2 3 doc 2 2 Schneider Electric Maintenance Masterpact NT NW Level Ill programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 15 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Control and indication auxiliaries Check operation of control auxiliaries MN MNR b
3. Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position sa Cont and Indication auxiliaries Action Check operation of indication contacts OF PF MCH Goal Maintain electrical continuity of the installed contacts Every 2 years Special This test requires an external power source For voltages greater than 50 V DC all i suitable measures to avoid electrocution must be taken indications Pre test Device Fixed Drawout poles Discharged Discharged with the conditions specified oppos
4. 35 38 25 28 15 18 Check non continuity between terminals 45 46 35 36 25 26 15 16 Circuit breaker with poles closed and chassis in test position m Check continuity between terminals 45 48 35 38 25 28 15 18 Check non continuity between terminals 45 46 35 36 25 26 15 16 Circuit breaker with poles open and chassis in test position m Check continuity between terminals 45 48 35 38 25 28 15 18 Check non continuity between terminals 45 46 35 36 25 26 15 16 Note If the circuit breaker has a second auxiliary contact block check the corresponding contacts as well Chassis NII 1 2 doc If the LED does not operate check its condition or check circuit continuity using the ohm meter For all the cases listed below if the contact does not operate manually flip the CE tripping blade and check contact status again If the fault persists check the OF contact as per the Auxiliary procedure If necessary replace the OF contact block If the OF contact block is OK replace the EF contact If the problem persists contact after sales support 6 7 Schneider fa dr Electric EF14 EF13 EF12 EF11 Comments on maintenance Reference documents Modification Document Bretteville First edition in Eoo Chassis NII 1 2 doc TIT Schneider Electric E Merlin Gerin Maintenance Masterpact NT NW Level I
5. contacts when in contact with SO sulphur dioxide and H2S hydrogen Sulphide blacken with the presence of sulphide which increases contact resistance and temperature rise Silver sulphide is not a passivation layer its surface resistivity varies between 10 and 10 Am its hardness is approximately half that of silver i e 150 N mm If the assembly contacts and clusters is gold plated no particular maintenance is required Regrease every two years 3 7 Schneider ES Electric Check the silver plated surface on the sliding contacts fixed and moving parts m Remove the disconnecting contacts on the case Example on NW 800 1200 m Brush and clean loose particles on blackened surfaces m If copper is visible in the contact zones between a cluster and the device disconnecting contact replace the assembly B Clean silver plated surfaces using a Thiourea solution Note Cleaning must be rapidly followed less than five minutes by abundant rinsing with water then a new rinsing using distilled water The Thiourea solution must be clean and show no sign of crystallisation an indication of decomposition It is advised to wear a mask and gloves to avoid burns and side effects m Regrease by applying a fine layer on the silver plated surfaces to delay the appearance of silver sulphide Pyratex EP2 grease from the Condat company Note Apply a fine layer of the fluorinated grease a few m
6. with the conditions Discharged Discharged specified opposite Device position in chassis Connected Test Disconnect ed Device locking NII 1 1 doc 1 3 Procedure Comments on maintenance Device locking NII 1 1 doc Schneider d Electric Procedure Note It is possible to lock the circuit breaker with the poles in the open position Check on locking with circuit breaker open m Press the OFF pushbutton m Hold the OFF pushbutton down and turn the key on the front of the circuit breaker m Remove the key and release the OFF pushbutton m If necessary charge the device mechanism m Issue a closing order by pressing the ON pushbutton Note If the device is equipped with an MN check that it is supplied with its rated voltage or neutralised B Check that the circuit breaker does not close Unlock the circuit breaker The device must be locked and must not close see above m Put the key in the lock B Press the OFF pushbutton and turn the key m Release the OFF pushbutton B Check that the key cannot be removed from the lock m Issue a closing order by pressing the ON pushbutton m Check that the circuit breaker closes m With the circuit breaker closed check that the key cannot be turned unless the OFF pushbutton is pressed System with two keylocks m Go through the procedure again with the second keylock If the key does not turn replace the keylock See the catalogue for replacement par
7. PS PS PE Device locking NII 1 2 doc 3 3 Schneider Electric Merlin Gerin Maintenance Masterpact NT NW Level Il programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 14 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Chassis locking Action Open and close keylocks installed on chassis Goa Check operation of locking system T Special None indicatio
8. Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Control and indication auxiliaries Action Check auxiliary wiring and insulation Goa Maintain electrical continuity of auxiliary circuits and quality of connections Frequency Special Cut power to the auxiliaries to work under risk free conditions indications If there is a voltage measurement input check the terminal block UC4 to ensure that the system is de energised Pre test RC re DE ee NM conditions Postonotpoes Open Opn Mechanism The device must comply ne Discharged Discharged with the conditions vice position in Connected Test Di
9. documents Index 1 Date Author Modification Document A Bretteville First edition PA modifications LL Bl L mechanism NII 1 3 doc 2 2 Schneider Electric Merlin Gerin Maintenance Masterpact NT NW Level Il programme Issued by Marc Bretteville Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 13 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open posi
10. m Masterpact NT Using a thin screwdriver release the tab holding the front plate on the left hand side do not break or bend it and then free the right hand side m Masterpact NW Unscrew the screw holding the front plate on the right hand side and pull the front plate Check m Check the general condition of the If there is dust on the mechanism contact mechanism grease lack of dust etc after sales service m Check that the MX XF MN control If necessary replace the control auxiliaries are correctly positioned auxiliaries m Check the presence and the condition If springs are damaged or lost contact of the springs after sales service B Check the number of operating cycles If the maximum has been reached contact and compare it to the maximum for the after sales support connecting rod springs Push OFF A DJ springs te be changed mechanism NIII 2 2 doc 2 3 Schneider 2 dr Electric Masterpact NW Document modifications mechanism NIII 2 2 doc ina w Operation m Open and close the device as per procedure Mechanism NII 1 1 B Check the position indicators and the condition of the springs If there is a problem contact after sales support Index Date Author Modification Bretteville First edition 3 3 Schneider Electric Merlin Geri
11. 3 Zi3 HINLDTD FIM page 6 7 Scone eider D a Electric Comments on maintenance Reference Masterpact NW user guide no 04443719 AA documents Masterpact NT user guide no 51201115 AA Index Date Author Modification Document Bretteville First edition p O ee Lolo Chassis NIII 2 2 doc 717 Schneider Electric E Merlin Gerin Maintenance Masterpact NT NW programme Issued by Validated by ABT Services Product Manager ABT Quality Manager 12 December 2004 Date A DANGER Warning Level Ill Last mo Index A First edi dification tion See last page for details on modifications For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to chec
12. Electric Merlin Gerin Maintenance Masterpact NT NW Level Il programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 14 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Device locking Action Open and close keylocks installed on device Goa Check operation of key locks Special None indications Pre test DOS OS PS OR The device must comply Mechanism l
13. Open cows Open ciosea Discharged Discharged Connected Test Disconnect Removed ed The device must comply Mechanism with the conditions Device position in specified opposite chassis Necessary tools mechanism NII 1 1 doc 1 3 Schneider fa dr Electric en Manual opening closing Note On fixed devices equipped with the motor mechanism disconnect the auxiliary circuit for the MCH gear motor terminals BA B2 m Manually charge the mechanism spring using the handle Pump the handle seven times for NW and NT After seven times the handle no longer resists B Press the ON button to close the device B Check that the indicators show ON and Discharged Circuit breaker closed and discharged m Charge the circuit breaker again m Check that the indicators show ON and Charged not OK Circuit breaker closed charged and na ready to close mechanism NII 1 1 doc 2 3 Schneider FP Electric m Press the OFF button to open the device again If one of these operations is not OK check m Check that the indicators show OFF the troubleshooting list in the user manual and Charged OK Circuit breaker open charged If the problem persists contact after sales and ready to close support m u Device ready fo dose ww charged OK Electrical opening closing With the XF control auxiliary m Charge the mechanism spring using the handle m Issue a closing order
14. Operating limits see the maintenance guide or the user manual User manual for Micrologic P 04443725 for Micrologic H 04443727 AA E documents User manual for Micrologic P 04443726 AA for Micrologic H 04443728AA C Author modifications index Da Document A Brettevile Fisted on O OC OoOO O mechanism NII 1 4 doc 2 2 Schneider Electric Maintenance Masterpact NT NW Level Ill programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 12 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections
15. The charging time is approximately support five seconds at Un B Press the OFF pushbutton If the charging time is significantly more than five seconds run the test three more times If the charging time does not improve contact after sales support Change the gear motor and measure again Comments on maintenance Reference documents Index Date Author Modification Document A Brettevillo First edition modifications mechanism NII 1 2 doc 2 2 Schneider Electric Merlin Gerin Maintenance Masterpact NT NW Level Il programme Issued by Marc Bretteville Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 12 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit break
16. are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Mechanism Action Check gear motor MCH charging time at 0 85 Un Check operation of the gear motor For a drawout device check the electrical continuity of the wiring Frequency Every 2 years Special Resupply the MCH motor indications Pre test Device Fixed Drawout conditions Postonopoes Open Opn The device must comply Mechanim _ Discharged Discharged with the conditions Device position in Connected Test Disconnect Removed specified opposite chassis ed Necessary tools Adjustable external power supply voltmeter and stop watch mechanism NIII 2 1 doc 1 2 Schneider FP Electric Procedure Action m Disconnect supply wires B1 and B2 and B3 if connected so that the gear motor is not supplied m Supply terminals B1 and B2 with the adjustable external power supply B Set the voltage to 0 85 Un minimum Un if the setting is for a range of voltages Issue a closing order for the circuit breaker When the device is closed the gear motor immediately recharges the mechanism The charging time during closing and m Measure the gear motor charging time closing opening operations must not Note Charging time time between exceed six seconds closing order and springs fully charged gt change in charge in
17. breaker is off open position Action Check operation of position contacts CE CT CD and EF Check consistency between indications and actual position of the circuit breaker in the chassis The chassis can be equipped with different position contacts namely CD disconnected CT test CE connected and EF connected and closed Frequency Special If the various device positions in the chassis are indicated on the front panel of the switchboard make sure that the auxiliary circuits are energised indications If the various device positions in the chassis are not indicated on the front panel of the switchboard isolate the auxiliary circuits for testing using an ohm meter or a tester Pre test Device NA NA The device must comply MM with the conditions Discharged specified opposite Device position in chassis Conne Test Discon Removed cted nected Necessary tools Ohm meter or tester Chassis NII 1 2 doc 1 7 Schneider fa dr Electric P edure Procedure ren Note It is advised to check the positions with the circuit breaker in the chassis to obtain the correct position of the actuators Put the device in the disconnected position Note If in doubt follow the procedure on removing a device from the chassis and putting it back Doc CH NII 1 0 Check on CD contacts These contacts indicate the disconnected position of the circuit breaker m If the switchboard is equ
18. change the chassis wiring If the problem persists contact after sales support See the catalogue for replacement parts 3 4 Schneider FP Electric Issue a closing order for the circuit breaker The circuit breaker should not close If the device closes with the reset button out it is set up for automatic recharging To disable closing following a fault trip contact after sales support Press the reset button to clear the fault Note The results of this test are not recorded in Micrologic P H event histories Comments on maintenance Index Date Author Modification Document AT setevie Firstegiton O o ooOoOoOOoOoOOoOO ee LL lo Control unit NII 1 1 doc 4 4 Schneider Electric Merlin Gerin Maintenance Masterpact NT NW Level Il programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 20 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and
19. documents Document modifications Chassis locking NII 1 2 doc Schneider fa dr Electric Connected Cannot be pulled out Cannotbepuledout Possible Locking in connected Device position Staple position Crank insertion position Disconnected or removed Possible Not possible Locking in all positions Staple position Connected Out Not possible Disconnected or removed Masterpact NT NW user manual Index Date Author Modification A Bretteville First edition 4 4 Schneider Electric Merlin Gerin Maintenance Masterpact NT NW Level Il programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 18 May 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to tou
20. the cluster tool m Clean the cluster supports at the bottom of the chassis according to the Thiourea solution cleaning procedure using a brush Note Cleaning must be rapidly followed less than five minutes by abundant rinsing using the brush and water then a new rinsing using distilled water The Thiourea solution must be clean and show no sign of crystallisation an indication of decomposition It is advised to wear a mask and gloves to avoid burns and side effects m Clean the clusters according to the procedure presented above m Check the surface of the clusters and cluster supports If copper is visible in the contact zones B between a cluster and its support replace both B between a cluster and the device disconnecting contact replace both If the clusters and contacts are blackened m see the section below on corrosive environments m Regrease the supports with MOBILITH SHC100 or AMBYGLON grease Note Regrease as indicated in the diagrams Masterpact NT FIM NT L010 Masterpact NW FIM NW L 10 Chassis NIII 2 2 doc 2 7 Chassis NIIL 2 2 doc Schneider ES Electric B Reinstall the clusters Note For Masterpact NW reinstall the clusters as indicated in FIM NW L010 B Reinstall the shutters Note For NT the tightening torque is 0 8 Nm Check operation of the safety shutters as per the corresponding procedure Corrosive atmospheres Note Solid silver and silver plated
21. using the main connections If that is not possible carry out the measurement on an OF contact Pa Pu Has ca a Comments on maintenance Reference documents Document Modification Bretteville First edition Date und RS EEE auxiliaries NIII 2 5 doc 2 2 Schneider Electric Merlin Gerin Maintenance Masterpact NT NW Level Ill programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 17 October 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the ins
22. 70 Un For a drawout device check the electrical continuity of the wiring Frequency Every 2 years Special This test requires an external power supply For voltages greater than 50 V DC all i suitable measures to avoid electrocution must be taken indications Pre test Los NND NR RN RE RE tom BENE 59 The device must comply Mechanism with six ANS Charged Discharged Charged Discharged specified opposite Device position in chassis Conne Test Disconnect Removed ed cted Necessary tools Adjustable external power supply auxiliaries NIII 2 3 doc 1 2 Schneider fa dr Electric Note It is advised to run a few opening and closing cycles as per the Level Il procedure Open close the device manually m Disconnect supply wires C1 and C2 m Supply terminals C1 and C2 at 0 7 Un using the adjustable external supply Note For a communicating MX supply f the circuit breaker does not open terminals C1 and C3 first then connect Fixed device replace the MX control C2 auxiliary and plan maintenance on the mechanism The circuit breaker should open Drawout device run the test again in the disconnected position If the fault is cleared change the chassis wiring Ifthe fault persists replace the MX control auxiliary and plan maintenance on the mechanism E 4613654 Comments on maintenance Reference Masterpact catalogue documents Date Author Modification
23. 9 Test Check on CT contacts These contacts indicate the test position of the circuit breaker B Put the device in the test position B lfthe switchboard is equipped with a LED check that the signal is consistent with the position of the device If the LED does not operate check its m lfthereis no LED check with an ohm condition or check circuit continuity using the meter ohm meter Masterpact NW m Check electrical continuity of the contacts between terminals In the event the contact does not operate CT1 911 912 CT2 921 922 manually flip the tripping blade and check CT3 931 932 contact status again m Check non continuity for CD contacts If the contact continues not to operate between terminals 811 814 821 824 831 replace the contact 834 If the problem persists contact after sales for CE contacts between terminals 31 1 support 314 321 324 331 334 Masterpact NT m Check electrical continuity of the contacts between terminals In the event the contact does not operate CT1 911 912 manually flip the tripping blade and check m Check non continuity for CD contacts contact status again between terminals 811 814 821 824 If the contact continues not to operate for CE contacts between terminals 31 1 replace the contact 314 321 324 331 334 If the problem persists contact after sales support Chassis NII 1 2 doc 3 7 Chassis NII 1 2 doc Schneider fa dr Electric Check on CE contact
24. Pitre Namen ___ ReaFTkDaa E ns Tested rr _Cumrenetevet 0 22 Parameter 23 Sensor Rating In 24 LT Switch Setting lo 25 Long Time Pickup Ir 26 Long Time Delay tr 27 Inverse Definite Min Time Lag Idmtl 28 Short Time Pickup Isd Im 29 Short Time Delay tsd 30 Instantaneous Pickup li 31 Ground Fault Pickup Ig 32 Ground Fault Delay tg 33 Ground Fault Push to Trip Button FFTK File Name Empty Test Current Level Trip Time Status Parameter 37 Long Time Pickup Ir nee eal e 38 Short Time Pickup Isd Im a 39 lInstantaneous Pickup lil In M 4 gt M Test Report Trip Curve Instructions Language z FFTK data Pr t d marrer G mw x EJ oM fm D V Hots Comments on maintenance HHTK manual 48049 184 01 FFTK manual 48049 183 01 FF TK report generator manual Reference documents Document modifications Control unit NIII 2 1 doc Pant Report New Revert Reset FFTK Data HAZARD OF DAMAGE TO TRIP UNIT FULL FUNCTION TEST KIT OR PC Do not connect a PC to the Full function Test Kit while 1 function Test Kit is connected to a trip unit even if the F function Test Kit and the PC are powered down and tu af the Full function Test Kit has been maze P to a trio 4 rum nd Micr PD N Micr FR amp je Modification Bretteville First edition 4 4 Schneider
25. SASE 4 6 Schneider ES Electric GRAISSAGE Lad E L L I O S O EPE D D bp FE RJ T c eo b LI EL m Place the circuit breaker on the rails EBENEN s w B Put the device in the connected position rail droit 51066420AA Chassis NIII 2 1 doc 5 6 Schneider fa dr Electric Comments on maintenance Reference documents Document Modification Bretteville First edition Index Date FE modifications BENI Chassis NIII 2 1 doc 6 6 Schneider Electric Maintenance Masterpact NT NW Level Ill programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 14 December 2004 Date See last page for details on modifications A DANGER For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Retur
26. Schneider Electric E Merlin Gerin Maintenance Masterpact NT NW Level Il programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 15 December 2004 Date See last page for details on modifications A DANGER For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Visual check on the general condition of the circuit breaker front plate control unit case chassis connections and communication functions Check that there are no v
27. Visually check the display of data and settings on the Micrologic A P and H control units If the display is not legible contact after sales support Note The loss of display does not affect the protection functions Settings and data can be viewed via the test connector and the Micrologic RSU and RDU RCU utilities device NII 1 1 doc 2 4 Schneider 2 dr Electric Case Check If there is dust for dust B clean as indicated in the maintenance for cracks and changes in colour guide for traces of black smoke around the arc chutes and on the sides remove If there are cracks the fixing brackets if necessary m contact after sales support If there are traces of black smoke indicating tripping for a short circuit m check the main contacts as indicated in user manual 04443720AA A If there is damage to the contacts replace the breaking unit and contact after sales support Traces of black smoke due to breaking Lo Low Wer Connection m Visually check fora change in colour of the terminals indicating abnormal temperature rise the condition of cable insulation If the cables show signs of colour change cracks shrinking etc or damage to insulation m apply the procedure for power connections NII 2 1 device NII 1 1 doc 3 4 Schneider fa dr Electric Prolonged storage of devices in corrosive environments sulphur dioxide SO hydrogen sulphide H2S Example Steel wo
28. aintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Mechanism Action Check the general condition of the mechanism position of control auxiliaries position indicators position and condition of springs Check the general condition of the mechanism cleanness Check circuit breaker operation accuracy of position indicators Every 2 years Special indications Pre test Device Fixed Drawout conditions Position of poles Open Open The device must comply Mechanism Discharged Discharged ed with the conditions Device position in specified opposite chassis Necessary tools Screwdriver Remov ed mechanism NIII 2 2 doc 1 3 Schneider ES Electric Procedure Action Remove front plate
29. and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Mechanism Open close device manually and electrically Check operation of charging mechanism using the handle device opening and closing mechanism using the pushbuttons and the control auxiliaries and the indications of the position indicators Note If there is an operation counter check that it increments Special Supply the MX XF MN control auxiliaries indications Pre test Device Fixed Drawout conditions Position of poles
30. anism conditions rostionofpoles god Closed Discharged Discharged The device must comply Device position in with the conditions chassis EN oes Removed specified opposite Necessary tools Test equipment FF TK cat no 33595 CD ROM with FF TK report generator program cat no 34559 opare parts test cable cat no 33590 Control unit NIII 2 1 doc 1 4 Schneider fa dr Electric Procedure Check the tripping curves and indication LEDs B Connect the test equipment to the Micrologic test connector m Trip the device following the procedure indicated in the user manual of the FFTK If the circuit breaker does not trip contact test equipment after sales support m tis preferable to run an automatic test At the end of each test B check that the corresponding LED goes on If the LED does not go on Note The LEDs go on only when the m press and hold the Test Reset button device trips for a fault to check LED operation and the battery charge B replace the battery To restart the tests for the other protection If the problem persists contact after sales functions proceed as follows support Reset the signal by pressing the Test Reset button on Micrologic the red reset button on the circuit breaker Close the circuit breaker again Run the test for each type of fault short circuit Isd and li earth fault Ig Micrologic 6 earth leakage fault Idn Micrologic 7 Checking t
31. as per the user manual on the CD ROM see below the results are saved to the PC and can be printed If there is no connection check that the go through the transfer procedure for each serial port on the PC is not occupied with test result recorded on the FFTK another task e g Palm Pilot Control unit NIII 2 1 doc 3 4 Schneider 2 dr Electric RS232 cable not supplied or RS232 cable USB serial adapter not supplied Cable RS232 no incluido o Cable RS232 adaptador en serie USB no incluidos Cable RS232 non foumi ou Cable RS232 adaptateur s rie USB non fournis 06195118 Full function Test Kit Equipo de pruebas de amplias funciones Trousse d essai des fonctions compl tes N Microsoft Excel FFTK_REPORT_GENERATOR xIs Lecture seule Fichier Edition Affichage Insertion Format Outils Donn es Fen tre 2 Acrobat amp EE E D c E Ba ps ae 4 0 a T BR A T B C D E F G H J K L M N O P R S T AA AB 3 LOW VOLTAGE CIRCUIT BREAKER TEST REPORT 4 5 Testing Company 6 Address Address 7 FFTK_REPOR ENERATOR 8 ersion 1 0 9 Phone lt 10 Contact Name 12 Date Enalish X 13 14 BREAKER NAME PLATE DATA 15 oe Famiy EBrkerTpe Upload FFTK Test File I 16 Standard Interrupt Rating Seia 17 andar nterrupt Rating 18 TRIP UNIT DATA 2 Family Tpe Sei Save Usina FFTK File Name 21 TRIP UNIT BASIC PROTECTION SETTINGS nn o
32. at the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Mechanism Action Electrically charge the circuit breaker Check operation of the gear motor Frequency Special Supply the MCH motor indications Pre test Device Fixed Drawout conditions Posnopoes Open Opn The device must comply Charged Charged O with the conditions Device position in Connected Test Disconnect Removed specified opposite chassis ed Necessary tools mechanism NII 1 2 doc 1 2 Schneider fa dr Electric Procedure Action Manual opening closing m Put the device in the open position m Close the circuit breaker by pressing the ON button The device closes and the spring If the device does not close check the mechanism is automatically charged troubleshooting list in the user manual If the problem persists contact after sales Note
33. ch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Chassis Remove device from chassis and put it back Check operation of device extraction mechanisms device and chassis pre tripping chassis position indicator Special None indications Pre test mee Hm conditions Penis v Ex specified opposite cted Necessary tools Chassis NII 1 1 doc 1 5 Schneider fa dr Electric Procedure Action Note Drawout devices are racked in and out using a removable crank Disconnect a circuit breaker The circuit breaker is in the chassis in the connected position and closed B Check that the position indicator on the front plate of the chassis indicates the If the indicator is incorrect contact after connected position sales support m position embroche x N m Insert the crank in the racking If that is not possible remove the padlock mechanism on the front plate of the chassis and or turn the keys to the unlocked position captive key If the door interlock is activated the enclosure door must be closed or press and hold the locking button on the right hand side of the chassis If t
34. d held test kit Control unit NII 1 1 doc 2 4 Control unit NII 1 1 doc Schneider fa dr Electric Trip test Trip the device as indicated in the user manual of the test tool Check that the circuit breaker trips and the mechanical reset button on the front plate pops out Check that one of the LEDs Ir Isd li is on Reset the LED display by pressing the Test Reset button Check operation of SDE fault trip indication contact Circuit breaker poles must be open Check continuity between terminals SDE1 81 84 and SDE2 if installed 181 184 Reset the fault by pressing the red button on the front plate Check continuity between terminals SDE1 81 82 SDE2 if installed 181 182 SDE Res 646 184 K2 B4 B E E 182 82 amp 6 181 Ki 81 E Dogg e gs 09 fl 182 rg SDE SDE 1 or Lh e HA m EB If the circuit breaker does not trip proceed as follows Check that the device is closed Micrologic is supplied the manual reset button is pushed in See the troubleshooting list in the maintenance guide Start the test again If the problem persists contact after sales support If the button does not pop out contact after sales support In the event of a malfunction Fixed device contact after sales support Drawout device run the test again in the disconnected position If the fault is cleared
35. dicator B Open the circuit breaker m Close the device again and simultaneously issue an opening order If the charging time is greater than six m Measure again the gear motor seconds charging time as above m during the charging time check the supply voltage B run the test again with an external source terminals B1 B2 m if the time is still too long before replacing the MCH manually check using the handle that the required force is not too high m if the required force is normal replace the MCH Otherwise contact after sales service to replace the breaking unit m Reconnect the supply wires to terminals B1 B2 and B3 if present as they were prior to the test m Run the measurement again using the normal supply Comments on maintenance Reference documents Index Date Author Modification Document Bretteville First edition A modifications LL mechanism NIII 2 1 doc 2 2 Schneider Electric Merlin Gerin Maintenance Masterpact NT NW Level Ill programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 13 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive m
36. ditions Postonopoes na na o Opn The device must comply Mechanim NA nm Discharged Me ane en we e ed specified opposite chassis Action Necessary tools Chassis NII 1 3 doc 1 2 Schneider fa dr Electric Procedure Action Check operation of safety shutters rapid action m Press the opening mechanism until the shutters open completely m Release the mechanism If the shutters remain partially or The shutters should shut completely completely open proceed as indicated below m Remove the shutters m Remove the shutter mechanisms NW only m Clean mechanism actuators to remove any grease or dust B Regrease using ISOFLEX grease m Reinstall the shutter mechanisms NW only m Reinstall the shutters m Run the test again If the problem persists contact after sales support Check operation of safety shutters slow action m Press the opening mechanism until the shutters open completely m Slowly release pressure until the mechanism has returned to initial position If the shutters remain partially or The shutters should shut completely completely open proceed as indicated below m Remove the shutters m Remove the shutter mechanisms NW only m Clean mechanism actuators to remove any grease or dust B Regrease using ISOFLEX grease m Reinstall the shutter mechanisms NW only m Reinstall the shutters m Run the test again If the problem persists contact after sales
37. downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Control unit Action Check earth fault Micrologic 6 0 or earth leakage Micrologic 7 0 protection function Check operation of the protection functions against leakage currents Special indications Pre test conditions Postion ofpoles closed Closed Mechani Discharged Discharged The device must comply Device position in with the conditions chassis Connec Test Disconn Re specified opposite ted ected mov ed Necessary tools Control unit NII 1 2 doc 1 3 Schneider fa dr Electric Procedure Note For the test the Micrologic control unit must be supplied with 24 V If there is an MN it must be removed or supplied at its rated voltage for the test m Press the test button on the front of the Micrologic Note It is not necessary to remove the protection cover test The circuit breaker trips m Check that the red reset indicator on I
38. ectly installed remove the lower bar B put the bar back in place and start the procedure again If the problem persists contact after sales support Reference Masterpact NT user manual doc no 51201115AA documents Masterpact NW user manual doc no 04443720AA Document modifications Modification Chassis locking NII 1 1 doc J J nc Bretteville First edition 2 2 Schneider Electric Maintenance Masterpact NT NW Level Il programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 14 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation i
39. ed in the racking mechanism Pull out the staple s and install the padlock B Check that the crank cannot be inserted in the racking mechanism See the possible combinations in the table Unlock the circuit breaker The device must be locked see above m Remove the padlock from the padlocking staple B Check that the crank can be inserted in If there is a problem contact after sales the racking mechanism support 2 4 Schneider FP Electric Locking in the connected test and disconnected or removed position For each position If there is a problem contact after sales m check that the crank cannot be support inserted when the padlocking staple is pulled out m Check the possible combinations in the table below Unlock the circuit breaker The device must be locked see above m Remove the padlock from the padlocking staple B Check that the crank can be inserted in the racking mechanism Locking of the safety shutters The crank must not be inserted in the racking mechanism m pull out the padlocking staple s and install the padlock m check that the crank cannot be If there is a problem contact after sales inserted in the racking mechanism support EB 12494 Volet haut ferm Volet bas ouvert Volet haut ouvert ar Volet bas ferm Volets haut et bas 4 ouverts Volets haut et bas we fermes Chassis locking NII 1 2 doc 3 4 Comments on maintenance Reference
40. er or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Mechanism Check complete closing of device locking of three poles After device closing check complete mechanical locking of the poles risk of thermal runaway Frequency Annual Special This test must be carried out manually indications For fixed devices disconnect the MCH terminals B1 B2 Pre test Device Fixed Drawout conditions Postion ofpoles Open Open Mechanism Discharged Discharged _ The device must comply echanism Discharged Discharged with the specification Device position in Connected Test Discon Remov specified opposite chassis nected ed Necessary tools mechanism NII 1 3 doc 1 2 Schneider fa dr Electric Procedure Action m Manually charge the mechanism spring using the handle m Close the circuit breaker by pressing the ON button The circuit breaker closes m Charge the mechanism The poles should remain closed the If the circuit breaker opens the poles are indicator shows ON not in the locked position Risk of major malfunction Contact after sales support Comments on maintenance Reference
41. es an external power supply For voltages greater than 50 V DC all i suitable measures to avoid electrocution must be taken indications Pre test Device oo The device must comply with the conditions Charged Charged Discharged specified opposite rn u Test Disconne Removed position in cted chassis Necessary tools Adjustable external power supply auxiliaries NIII 2 2 doc 1 3 Schneider FP Electric dns Note It is advised to run a few opening and closing cycles as per the Level Il Open close the device manually procedure m Disconnect supply wires A1 and A2 and connect the external supply Note For a communicating XF supply terminals A1 and A3 first then connect A2 m Adjust the external supply to 0 85 Un m Close the circuit breaker by pressing a pushbutton The circuit breaker should close If the circuit breaker does not close Fixed device replace the XF control auxiliary and plan maintenance on the mechanism Drawout device run the test again in the disconnected position If the fault is cleared change the chassis wiring If the fault persists replace the XF control auxiliary and plan maintenance on the mechanism auxiliaries NIII 2 2 doc 2 3 Schneider fa dr Electric Comments on maintenance Reference Installation guide for XF control auxiliary documents Index Date Author Modification Document A Bretteville First edition PS BE PS uA
42. essed See the catalogue for replacement parts When above conditions are met m check continuity between terminals 251 252 m if one of the operating conditions is not met check that circuit continuity between terminals 251 252 is broken and that continuity between terminals 251 254 is established auxiliaries NIII 2 1 doc 3 4 Schneider fa dr Electric MCH contact Circuit breaker poles must be open and the mechanism discharged m Check non continuity between If there is a problem terminals B1 B3 m replace the MCH motor m Manually charge the mechanism See the catalogue for replacement parts m Check continuity between terminals B1 B2 If the problem persists contact after sales m Supply terminals B1 and B2 with the support rated voltage for the MCH motor m Check that the motor is not excited m Close the circuit breaker m Check that the motor is excited and charge the spring mechanism The motor automatically cuts out at the end of recharging Note As a safety measure at the end of the test put the circuit breaker in disconnected position and discharge the mechanism by closing the poles MCH NT and NW Comments on maintenance Reference Catalogue Fr ART 56505 En ART 56504 documents Author Modification Document Index Date in SE auxiliaries NIII 2 1 doc 4 4 Schneider Electric Merlin Gerin Maintenance Masterpact NT NW Level Il
43. etween 0 35 and 0 7 Un Got Check operation of MN For a drawout device check the electrical continuity of the wiring for MN Every 2 years Special This test requires an external power supply For voltages greater than 50 V DC all suitable measures to avoid electrocution must be taken indications For MNR take into account the time delay Pre test conditions 720 MEM G poles with the conditions _ Charged Charged Connected Test Ban Removed in chassis Necessary tools Adjustable external power supply auxiliaries NIII 2 4 doc 1 3 Schneider fa dr Electric din Note It is advised to run a few opening and closing cycles as per the Level Il procedure Open close the device manually m Disconnect supply wires D1 and D2 In the event of a malfunction m Supply terminals D1 and D2 at 0 7 Un Fixed device replace the MN control using the adjustable external supply auxiliary and plan maintenance on the mechanism m Close the circuit breaker Drawout device run the test again in the The circuit breaker should remain closed disconnected position If the fault is cleared change the chassis wiring m Gradually decrease the voltage the If the fault persists replace the MN control device should open at a voltage higher auxiliary and plan maintenance on the than 0 35 Un mechanism m Setthe voltage to 0 35 Un m Charge the device and issue a closing order The circuit breaker shou
44. f the circuit breaker does not trip proceed the front plate pops out following the trip as follows B Check that B Check that the corresponding LED lg the device is closed lAn goes on Micrologic is supplied the manual reset button is pushed in B Reset the LED display by pressing the Start the test again Test Reset button If the problem persists contact after sales support m Charge the mechanism using the handle m Press the ON button The circuit breaker should not close If the device closes with the reset button out it is set up for automatic recharging To disable closing following a fault trip contact after sales support Control unit NII 1 2 doc 2 3 Schneider fa dr Electric m Press the red reset button to clear the fault m Press the ON pushbutton The circuit breaker should close If the device does not close check the troubleshooting list in the maintenance guide If the problem persists contact after sales support Comments on maintenance Reference Micrologic A P H user manual documents Author Modification index Da Document A Brettevile First edition O O ooOoOoOoOoOoOOOO iinet BE BEE PS o Control unit NII 1 2 doc 3 3 Schneider Electric Maintenance Masterpact NT NW Level Ill programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 20 December 2004 Date See last pa
45. ge for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Control unit Tripping curve Action Check tripping curves using test tool indication LEDs tripped overload Save the test results to a PC God Check that the control unit operates for all types of electrical faults Frequency Every 2 years Special If there is an MN it must be removed or supplied at its rated voltage for the test indications Pre test Device Fed Drawn o o O Mech
46. he battery Check the Ir overload LED m During the overload test visually check If the LED does not go on and the test that the yellow LED goes on while the result is OK contact after sales support current is injected Control unit NIII 2 1 doc 2 4 Schneider FP Electric For the record Check the AP LED It is not necessary to perform this test every 2 years as it requires a specific test instrument This test will be done during the Level IV maintenance performed every 5 years according to the procedure of the DIN DINF test ref ref UC_NIV_3 3 by Schneider Electric After Sales Services If the test is carried out and If the LED does not go on m press and hold the Test Reset button Note The AP LED goes on when to check LED operation and the battery one of the advanced Micrologic charge protection functions is activated m Replace the battery Micrologic encounters an internal fault If the problem persists contact after sales the DIN DINF protection is activated support Micrologic 7 0 A gt la Save the test results to a PC Use the CD ROM to install the FFTK For the catalogue number see the report generator software on the PC in catalogue order to save FFTK tripping test results After running the tripping tests and saving the results in the test equipment connect the serial port on the PC to the RS232 port on the test equipment run the program and follow the instructions
47. he problem persists contact after sales support m Press the position release button Note The crank cannot be turned if this button is not pressed B Turn the crank counter clockwise If the crank cannot be turned contact after Masterpact NT 1 turn sales support Masterpact NW 3 to 4 turns The circuit breaker should open automatically If the circuit breaker does not open contact after sales support m Continue turning the crank counter clockwise until the test position is reached m When the test position is reached the mechanism blocks the crank The position release button pops out again If the button does not pop out again contact after sales support m Check that the position indicator If the indicator is incorrect contact after indicates the test position sales support Chassis NII 1 1 doc 2 5 Schneider fa dr Electric m Press the position release button and turn the crank counter clockwise until the If the crank cannot be turned contact after disconnected position is reached sales support Note The crank cannot be turned if this button is not pressed m When the disconnected position is reached the mechanism blocks the crank indicates the disconnected position sales support m position debroche Remove the circuit breaker m Disconnect the crank and put it back in its storage position m Open the door of the switchboard Masterpact NW Warning Before removing
48. icrons are sufficient m Reconnect the disconnecting contacts on the case using new washers and the correct tightening torque 16 Nm m Place the circuit breaker on the rails D Recommence the procedure on manoeuvring a device in the chassis Doc CH NI 1 0 from the point where the device was extracted Chassis NIII 2 2 doc 4 7 Schneider fa dr Electric Masterpact FIM NT L 010 indice de modification D adaptation des pinces revision index surfondchassis indice de diffusion P3 cluster adaptation diffusion index r alisation v rification objet page 1 et 2 P A O MI A Q ajout zoom graissage pinces V4 page 1 amp 2 added zoom clusters greasing ate 02 04 2003 n de dossier sans 630 gt 1250 graissage greasing Chassis NIII 2 2 doc 5 7 Chassis NIII 2 2 doc Schneider TPE lectric Masterpact FIM NW L 010 indice de modification G adaptation des pinces revision index surfond chassis clusteradaptation INT NA NA Gabarit A montage montage montana montage mounting mounting mounting mounting positionnement 5100237 142 5100237143 5100237144 5100237145 s i 47541 47542 47543 i 47544 51002370324 5100237037B i 47554 EU E fo si J a 2 r LE u zm T a all 111 A il rating 10 40D Calibre 12 25 50 montage lt gt mounting 5100237 146 47545 5100237032C 5100237032B Hbrade copies
49. idden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Control and indication auxiliaries Action Check delay of MNR devices at 0 35 and 0 7 Un Check that the control auxiliary is not activated before the end of the selected time delay Frequency Every 5 years Special This test requires an external power supply For voltages greater than 50 V DC all suitable measures to avoid electrocution must be taken indications Pre test Device Fixed rawout _ conditions Position ofpoles Closed Closed The device must comply Mechanim a Discharged Discharged with the conditions Device position in Connected Test Disconnect Removed specified opposite chassis ed Necessary tools Adjustable external power supply and stop watch auxiliaries NIII 2 5 doc 1 2 Schneider fa dr Electric Procedure Action B Connect the stopwatch Start trip order Stop device opening m Cut the supply or issue a delayed trip order The time must be equal to the delay setting In the event of a malfunction replace the 15 Note If possible the opening time should be measured
50. ide of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Control and indication auxiliaries Action Measure MX tripping time Check that the circuit breaker opens following an MX order within a time complying with catalogue characteristics Every 5 years Special This test requires an external power supply For voltages greater than 50 V DC all suitable measures to avoid electrocution must be taken indications Pre test Dee PS EC LLL poles The device must comply Discharged Discharged with the conditions specified opposite Device position Connected Test Disco Remove in chassis nnecte d d Necessary tools Adjustable external power supply and stop watch auxiliaries NIII 2 6 doc 1 2 Schneider FP Electric idis Note It is advised to run a few opening and closing cycles as per the Level Il procedure Open close the device manually B Connect the stopwatch Start trip order Stop device opening m Disconnect supply wires C1 and C2 m Supply terminals C1 and C2 at Un using the adjustable external supply Note For a communicating MX supply terminals C1 and C3 first then connect C2 The circuit breaker should open in less than 60 ms If the opening time is not correct replace Note If possible the opening time should the MX control auxiliary and run the test be measured using the main connections again If that is not p
51. ighten correct torque using new nuts and bolts Note Standard connection hardware class 8 8 steel hardware with contact washers For NW 40 NW40b NW50 and NW63 it is advised to use A80 stainless steel hardware Hardware diagram 1 vis des connecteur de raccordement sur l appareil serrage usine 16 Nm pour NW 13 Nm pour NT 2 connecteur de raccordement 3 barres de connexion 4 bouton 5 rondelle 6 crou Power connections NIII 2 1 doc If there is a major change in colour Bm undo the connection m clean the contact surfaces using very fine 000 Emery paper m reconnect and tighten correct torque using new nuts and bolts If the nut does not turn and there is no change in colour the connection is considered OK If there is a major change in colour clean the contact surfaces using very fine 000 Emery paper 2 6 Schneider FP Electric Recommended tightening torque EAT Bii EAT BST E EAT 664 Couples de serrage des barres de raccordement e e Couple de serrage Nm Avec rondelles Nominal mm Percage imm plates ou grower contact ou ventail 10 11 37 5 50 Masterpact NW Terminal mounting on device and tightening torque NUVOS NW32 ALU 5106636944 ATE38 CU 51063 7044 ATBAU durs Sort MEx25 page Die HH ce FIPA Power connections NIII 2 1 doc 3 6 Schneider Electric Ww Masterpact NT Terminal mounting on device and tightening torque
52. ipped with a LED check that the signal is consistent with the position of the device B If there is no LED check with an ohm meter or a tester m Remove the auxiliary terminal shield m Identify and disconnect all wires for the CD CT and CE contacts Masterpact NW m Check electrical continuity of the contacts between terminals CD1 811 814 CD2 821 824 CD3 831 834 B Check non continuity for CT contacts between terminals 911 912 921 922 931 932 for CE contacts between terminals 311 314 321 324 331 334 Masterpact NT m Check electrical continuity of the contacts between terminals CD1 811 814 CD2 821 824 B Check non continuity for CT contacts between terminals 911 912 for CE contacts between terminals 311 314 321 324 331 334 Chassis NII 1 2 doc If the LED does not operate check its condition or check circuit continuity using the ohm meter In the event the contact does not operate manually flip the tripping blade and check contact status again If the contact continues not to operate replace the contact If the problem persists contact after sales support In the event the contact does not operate manually flip the tripping blade and check contact status again If the contact continues not to operate replace the contact If the problem persists contact after sales support 2 7 Schneider fa dr Electric m Check continuity B Check non continuity G
53. isible signs of ageing or damage due to operation or following long storage Frequency Annua Special None indications Pre test i paie GRA 00 conditions Mechanism The device mustcomly am D Discharged Ut isis pecan n Connected Test Disconnec specified opposite chassis connec Remov p pposite D Necessary tools device NII 1 1 doc 1 4 Schneider dr Electric P dure Action Front plate m Check the presence of fixing screws 5 for NW and 4 for NT identification labels name plate the date of last maintenance The front plate must not be cracked split open or deformed If there is damage replace the front plate To replace the name plate contact Schneider after sales support Control unit Protection cover m Visually check that the cover is in place to protect the setting dials of the Micrologic control unit Micrologic A transparent cover Micrologic P H non transparent cover FB 10060314 Note The cover must be opened to modify a setting or access the test connector When the cover is closed it is not possible to modify the current protection settings xit Micrologic trip unit At the end of each test using the test connector m remove the cable from the test connector m close the cover m make sure it is completely closed m if necessary install a lead seal If there is not cover remount or replace it See the catalogue for replacement parts Screen legibility m
54. ite Device position in Connected Test Disconne Removed cted chassis Necessary tools Ohmmeter HHTK or FFTK auxiliaries NIII 2 1 doc 1 4 Scone eider P 2 Electric P d OF contact Circuit breaker poles must be open m Check continuity between terminals 41 42 31 32 21 22 11 12 Circuit breaker poles must be closed m Check continuity between terminals 41 44 31 34 21 24 11 14 Note If the circuit breaker has 8 or 12 auxiliary contact blocks check the corresponding contacts as well Action If the contacts do not operate Fixed device replace the OF contact block Drawout device run the test again in the disconnected position If the fault stops change the chassis wiring If the fault persists replace the OF contact block See the catalogue for replacement parts auxiliaries NII 2 1 doc 2 4 Schneider ES Electric PF contact ready to close In the event of a malfunction Operating conditions for PF contact Fixed device replace the PF contact B circuit breaker poles must be open and mechanism charged Drawout device run the test again in the m MN release if it exists must be disconnected position If the fault is supplied at rated voltage or mechanically cleared change the chassis wiring disconnected from mechanism If the fault persists replace the PF contact m check that the circuit breaker is not in tripped position reset button pr
55. k that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Power connections Subassembly Device and customer connections Check and retighten doubtful connections following a visual inspection Following a visual inspection traces of temperature rise check for possible untightness of terminals to the device and cables bars to the term Frequency Following a visual inspection of the device during which traces of temperature rise are noted Special indications Pre test Device Fixed conditions Device position in chassis Necessary tools Torque wrench Power connections NIII 2 1 doc inals N A A N Connected Z Z Disconnect D e Removed 1 6 Schneider fa dr Electric Proced Procedure men B Disconnect cables bars from the connection terminals Connection terminals m Visually check the change in colour of the terminals indicating abnormal temperature rise m Check the tightening torque of the terminal by setting the torque wrench to 1 Nm under the value specified in the catalogue see the table below B Tighten If the nut turns adjust the wrench to the correct value and continue tightening Cables bars m Visually check the change in colour of the bars indicating abnormal temperature rise m Reconnect the cables bars and t
56. l programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 14 December 2004 Date See last page for details on modifications A DANGER For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Chassis Check operation of safety shutters Check the insulation of the chassis power circuit when the device is extracted Preiquadey Special Cut power to the auxiliaries to work under risk free conditions indications Pre test Device Fixed Drawut con
57. l programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 15 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Control and indication auxiliaries Check operation of control auxiliary XF at 0 85 Un Check that XF closes the circuit breaker at 0 85 Un For a drawout device check the electrical continuity of the wiring Frequency Every 2 years Special This test requir
58. ld not close m Gradually increase the voltage check that the MN is reactivated before reaching 0 85 Un auxiliaries NIII 2 4 doc 2 3 Schneider TPE lectric Comments on maintenance Reference See the diagram below documents Operating mode of an undervoltage release installed on a circuit breaker Closing Closing Closing impossible possible imperative Must open 0 5 100 110 Index Date Author Modification Document Bretteville First edition LEES ne PAS ES HE auxiliaries NIII 2 4 doc 3 3 Schneider Electric Merlin Gerin Maintenance Masterpact NT NW Level Ill programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 15 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forb
59. n Maintenance Masterpact NT NW Level Il programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 12 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Breaking UNIt arc chutes contacts Action Check cleanness and attachment of arc chutes Avoid blocking of arc chute filters which would increase internal pressure during a short circuit Check tightness of connec
60. n to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Chassis Disconnecting contacts Action Regrease the disconnecting contact clusters for corrosive environments Goal Check correct contact between the clusters and disconnecting contacts to avoid temperature rise correct greasing sliding contact to avoid pulling the clusters out during disconnection Every 2 years Special indications Device Fixed O Pre test um Position of conditions poles NA NA with the conditions NA NA Discharged specified opposite Device position an Connected Test Disconnect Remov ed ed MOBILITH SHC100 grease in chassis Necessary tools Thiourea solution 100 g Thiourea 30 ml concentrated sulphuric acid 1 litre distilled water Chassis NIII 2 2 doc 1 7 Schneider fa dr Electric Procedure Action Disconnection procedure Run the procedure on manoeuvring a device in the chassis Doc CH NI 1 O to extact the device m Place the circuit breaker on a table D m Remove the shutters Masterpact NT Using installation manual 51201011AA proceed in reverse order Masterpact NW Using installation manual 51156130AA proceed in reverse order m Remove all the clusters using
61. nk cannot be turned if this button is not pressed m When the test position is reached the mechanism blocks the crank B Check that the position indicator indicates the test position m Close the circuit breaker m Press the position release button Note The crank cannot be turned if this button is not pressed B Turn the crank clockwise Masterpact NT 1 turn Masterpact NW 6 to 7 turns The circuit breaker should open automatically m Continue turning the crank clockwise until the connected position is reached m When the connected position is reached the mechanism blocks the crank B Check that the position indicator indicates the connected position m Charge the device mechanism and close the device If the indicator is incorrect contact after sales support If the indicator is incorrect contact after sales support If the circuit breaker does not close check that m MN is supplied m the device is charged If the problem persists m read the list of problems in the maintenance guide then contact after sales support If the circuit breaker does not open contact after sales support If the circuit breaker does not close check that m MN is supplied m the device mechanism is charged If the problem persists read the list of problems in the maintenance guide then contact after sales support 4 5 Comments on maintenance Reference documents Document modifications Chas
62. not to operate replace the contact If the problem persists contact after sales support Check non continuity 4 7 Schneider ES Electric CE3 CE2 CE1 Q9 embroch Test QO aebroche t A tA ON Nir NO a D oA Se OO NN S5 O 19 D o oO Mm mm M mm c Oo D ID oO DD o oo CT2 CT1 CE3 CE2 CE1 CD3 CD2 CD1 lt lt t e D e c C c co co eo B Reconnect all the wires for the CD CT and CE contacts m Mount the auxiliary terminal shield Positi on of Position of contacts on NT devices contacts SS Position of contacts on NT devices Chassis NII 1 2 doc 5 7 Schneider fa dr Electric Check the EF contact Note This combined contact combines the device connected and device closed information to produce the circuit closed signal This contact is supplied on option for the Masterpact NW only and must be used in conjunction with an OF contact m Put the device in the connected and closed position If the switchboard is equipped with a LED for the connected closed position check that the signal is consistent with the position of the device Circuit breaker with poles closed and chassis connected m Check continuity between terminals 45 46 35 36 25 26 15 16 Check non continuity between terminals 45 48 35 38 25 28 15 18 Circuit breaker with poles open and chassis connected m Check continuity between terminals 45 48
63. ns Pre test Loss MN RE RR NE NE conditions se omg NTS The device must comply Discharged Discharged with the conditions Device position in Connected Test Disconnect R ona chassis ed emov specified opposite ed Chassis locking NII 1 1 doc 1 2 Schneider FP Electric Procedure Note The circuit breaker chassis Is equipped with one or two keylocks for locking in the disconnected position Check on locking with device in disconnected position The crank must not be inserted in the racking mechanism Turn the key in the keylock and remove it m Check that the crank cannot be inserted in the racking mechanism Unlock the circuit breaker The device must be locked see above B Put the key in the lock and turn m Check that the key cannot be removed from the lock m Check that the crank can be inserted in the racking mechanism Note 1 If the chassis is equipped with two keylocks one key is sufficient to lock in the disconnected position but both keys are required to unlock Note 2 On customer request it is also possible to lock the chassis in either the test or the connected position Comments on maintenance If the crank can be inserted m check that the keylock s is correctly installed remove the lower bar B put the bar back in place and start the procedure again If the problem persists contact after sales support If the crank cannot be inserted m check that the keylock s is corr
64. ossible carry out the measurement on an OF contact If the problem persists plan maintenance on the mechanism and contact after sales support E 46135 Comments on maintenance Reference documents Author Modification Document First edition modifications mu auxiliaries NIII 2 6 doc 2 2 Schneider Electric E Merlin Gerin Maintenance Masterpact NT NW Level Il programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 12 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening to
65. rks paper mills synthetic fibres refineries sulphur chemical plants etc Note Sulphuration oxidation of silver due to the excessive temperature rise that it causes can result in destruction of contacts Solid silver and silver plated contacts when in contact with SO sulphur dioxide and H5S hydrogen sulphide blacken with the presence of a sulphide which increases contact resistance and temperature rise Silver sulphide is not a passivation layer its surface resistivity varies between 10 and 10 am its hardness is approximately half that of silver i e 150 N mm Fixed device Check that terminals are not blackened Drawout device If surfaces are blackened clean them Check that terminals disconnecting before remounting contacts and clusters are not blackened For the disconnecting contacts and clusters proceed with a complete cleaning using the chassis procedure on replacing the grease for disconnecting contacts Comments on maintenance Reference documents Document Index Date Author Modification Bretteville First edition n pp vq ES device NII 1 1 doc 4 4 Schneider Electric Merlin Gerin Maintenance Masterpact NT NW Level Il programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 21 September 2004 Date See last page for details on modifications Warning For checks
66. rque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Control unit Trip the circuit breaker using the Schneider test tool and check operation of the fault trip indication contacts SDE1 SDE2 Check operation of the tripping mechanism Mitop controlled by the control unit when an electrical fault occurs indication contacts SDE1 and SDE2 manual reset device closing disabled following a trip due to an electrical fault Special If there is an MN it must be removed or supplied at its rated voltage for the test indications Pre test Device Fed Draw poles The device must comply with the conditions Discharged Discharged specified opposite Device position Connec Test Discon Remov in chassis ted nected ed Necessary tools Test unit HHTK cat no 33594 or test equipment FFTK cat no 33595 opare parts test cable cat no 33590 Control unit NII 1 1 doc 1 4 Schneider FP Electric idis Check the Micrologic fault indication LEDs Press the Test Reset button on the front of Micrologic A P H control units Check that the four LEDs go on If the four LEDs do not go on replace the battery see section on replacement parts If one of the LEDs does not go on contact after sales support Connect the test tool HHTK or the test equipment FFTK to the Micrologic test connector HHTK han
67. s These contacts indicate the connected position of the circuit breaker m Putthe device in the connected position m If the switchboard is equipped with a LED check that the signal is consistent with the position of the device B If there is no LED check with an ohm meter Masterpact NW m Check electrical continuity of the contacts between terminals CE1 311 312 CE2 321 322 CE3 331 332 m Check non continuity for CD contacts between terminals 811 814 821 824 831 834 for CT contacts between terminals 91 1 912 921 922 931 932 Masterpact NT m Check electrical continuity of the contacts between terminals CE1 311 312 CE2 321 322 CE3 331 332 B Check non continuity for CD contacts between terminals 811 814 821 824 for CT contacts between terminals 91 1 912 Check continuity m Check continuity B Check non continuity QS embroch fap e QO d broche N o ON N CN S eo co E2 CE1 C If the LED does not operate check its condition or check circuit continuity using the ohm meter In the event the contact does not operate manually flip the tripping blade and check contact status again If the contact continues not to operate replace the contact If the problem persists contact after sales support In the event the contact does not operate manually flip the tripping blade and check contact status again If the contact continues
68. sconnect Bemov specified opposite esee 2 ed Necessary tools Flat screwdriver 3 mm auxiliaries NII 1 1 doc 1 2 E Merlin Gerin Procedure Comments on maintenance Schneider IF Electric Customer auxiliary wiring If wire insulation is cracked or damaged Check replace the wires secure connection of conductors in the terminals insulation of wires If there are brown spots replace the Visually check the terminal blocks for connector see the catalogue for warping or brown spots indicating replacement parts temperature rise Chassis terminal block and connector for drawout circuit breakers B Remove the two screws on the cover If necessary remove the auxiliary terminal shield If there is damage B Check m replace the connector see the catalogue secure connection of conductors in the for replacement parts terminals insulation of wires m Putthe auxiliary terminal shield back in place Chassis terminal block and connector a 3 Reference Masterpact NT NW catalogue Fr ART 56505 En ART 56504 documents Document modifications Date Author Modification Bretteville First edition auxiliaries NII 1 1 doc 2 2 Schneider Electric Maintenance Masterpact NT NW Level Ill programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 15 December 2004 Date See last page for details on modifications
69. sis NII 1 1 doc Schneider iP Electri C Masterpact NW user manual no 04443719 AA Masterpact NT user manual n Index Date ae o 51201115 AA Author Modification Bretteville First edition 5 5 Schneider Electric Merlin Gerin Maintenance Masterpact NT NW Level Il programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 14 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit
70. sm Issue a closing order by pressing the ON pushbutton Note If the device is equipped with an MN check that it is supplied with its rated voltage or neutralised Check that the circuit breaker does not close Unlock the circuit breaker The device must be locked and must not close see above Remove the padlock s from the padlocking tongue Release the tongue Issue a closing order by pressing the ON pushbutton Check that the circuit breaker closes With the circuit breaker closed check that the padlocking tongue cannot be pulled out unless the OFF pushbutton is pressed If the padlocking tongue cannot be pulled out check that the support is correctly installed remove the front plate replace it if necessary see the catalogue for replacement parts If the circuit breaker closes check that the support is correctly installed remove the front plate if the support is not OK replace the support If the problem persists contact after sales support If the circuit breaker does not close check that the padlocking tongue is fully pushed in If it is check that the support is correctly installed and start again If the support is not OK replace the support If the problem persists contact after sales support Masterpact NT user manual doc no 51201115AA Masterpact NW user manual doc no 04443720AA Modification Bretteville First edition 2 3 Schneider FP Electric
71. support B Place the circuit breaker on the rails Recommence the procedure on manoeuvring a device in the chassis Doc CH NI 1 0 from the point where the device was extracted Comments on maintenance Reference documents Document Author Modification Bretteville First edition Index Date A mae PR BEE HE Chassis NII 1 3 doc 2 2 Schneider Electric E Merlin Gerin Maintenance Masterpact NT NW Level Ill programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 04 November 2004 Date See last page for details on modifications A DANGER For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downstream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check
72. t is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Subassembly Chassis locking Open and close padlocking systems installed on device chassis and shutter systems Check operation of the locking system inthe disconnected position inthe disconnected test and connected positions Check that an NW device cannot be manoeuvred if the safety shutters are padlocked from the front Special None indications Pre test Des Fe conditions Penes MR Re Device position in chassis Connected Test Disconnect Remov ed ed Necessary tools Chassis locking NII 1 2 doc 1 4 Procedure Chassis locking NII 1 2 doc Schneider FP Electric Note The chassis control panel is equipped standard equipment with a padlocking staple to lock the device in the disconnected position or in any of the three disconnected test and connected positions depending on the choice made by the customer optional equipment with padlocking staples to lock the safety shutters The two shutters can be locked together or independently Locking is possible with or without the device in the disconnected or test positions Locking in the disconnected position or If there is a problem contact after sales with device removed support Check on locking m The crank must not be insert
73. that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Dust and regrease chassis Goal Check cleanness of chassis grease to avoid mechanical malfunctions during device connection and disconnection Every 2 years Special indications Pre test conditions Festes NOR Oe BE BE The device must comply with the conditions an M Connected Test Disconnect specified opposite Vacuum Necessary tools Grease cat no Mobilith SHC 100 Discharged Chassis NIII 2 1 doc 1 6 Schneider fa dr Electric Procedure Action B Remove the device from the chassis Note If in doubt follow the procedure on removing a device from the chassis and putting it back Doc CH NII 1 0 B Place the circuit breaker on a table Masterpact NW only Run the rails in and out several times to evenly spread the grease m Vacuum any dust in the lower section of the chassis and on the outside m Using a dry cloth remove all grease from the parts indicated in the diagrams below B Regrease as indicated in the diagrams Note Too little or too much grease impacts negatively on device operation Chassis NIII 2 1 doc 2 6 Schneider fa dr Electric m Grease points on NT circuit breakers a GRAISSAGE Chassis NIII 2 1 doc 3 6 assis NIII 2 1 doc Schneider fa dr Electric GkRAIS
74. the circuit breaker should close B Check that the indicators show the correct values With the MF control auxiliary m Issue an opening order The circuit breaker opens Check that the indicators show the correct values With the MN control auxiliary m Supply the MN m Close the circuit breaker m Cut supply to the MN The circuit breaker should open For each operation If execution is not OK m check the connections of the control auxiliary If the connections are OK m Check operation of control auxiliary as per the corresponding level Ill procedure Comments on maintenance Reference Masterpact NT NW user manual documents Index Date Author Document A Brettevile First edition modifications Te mechanism NII 1 1 doc 3 3 Schneider Electric Merlin Gerin Maintenance Masterpact NT NW Level Il programme Issued by Marc Bretteville Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 21 September 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure th
75. the device check that the rack out stops are in place B Grasp the rail grips on each side of the device and press the black tabs m Pull the rails to the stops m The device is now fully disconnected from the chassis and can be removed In the device cannot be removed contact after sales service Masterpact NT m Release the black tabs by flipping them toward the back and pull the rails out to the stops to extract them from the chassis m Check the general condition of the If the tabs are damaged contact after black tabs photo sales service m Grasp the device at the top and bottom and slide it out on the rails In the device cannot be removed contact m The device is now fully disconnected after sales service from the chassis and can be removed Chassis NII 1 1 doc 3 5 Chassis NII 1 1 doc Schneider fa dr Electric Position a device on the chassis Masterpact NW m Push the device into the chassis On reaching the stops the black tabs automatically lock Masterpact NT m Push the device into the chassis to the stops m Push the rails until the black tabs lock Connect the circuit breaker B Close the switchboard door m Check that the position indicator on the front plate of the chassis indicates the disconnected position B Insert the crank in the racking mechanism m Press the position release button and turn the crank clockwise until the test position is reached Note The cra
76. tion Subassembly Mechanism Action Check number of device operating cycles Determine whether the maximum recommended number of operating cycles has been reached and replace subassemblies if necessary Frequency Special Supply the Micrologic P or H control unit and the communication module BCM with 24 i V to read the electronic operation counter indications Pre test Device Fixed Drawout conditions Position of poles Open Open Mechanism Discharged Discharged Device position in Connected Test Disconnect Removed chassis ed Necessary tools mechanism NII 1 4 doc 1 2 Schneider fa dr Electric Procedure Action With a mechanical operation counter m Read the value m Compare it to the maximum values If the limit has been reached change the indicated in the maintenance guide breaking unit Contact after sales support With an electronic operation counter Note An electronic counter is available only with the communication module and a Micrologic E P H The Micrologic must be supplied m Inthe Service menu select Event history and Operation counter m Read the value m Compare it to the maximum values If the limit has been reached change the indicated in the maintenance guide breaking unit Contact after sales support If there is no counter m Estimate the number of device operating cycles according to customer work habits Comments on maintenance Reference
77. tions Frequency Annu Special indications Pre test Dee a O conditions Position of The device must comply poles specified opposite Discharged Discharged Device Conne Test Discon Remov position in cted nected ed chassis Necessary tools Torque wrench breaking unit NII 1 1 doc 1 2 Schneider fa dr Electric en Clean the filters If the filters are very dirty replace the arc chutes Vacuum dust rather than blow it using compressed air See the catalogue for replacement parts Note To avoid dirtying the filters do not use a cloth particularly if there is dust and grease Check tightness of connections If screws are lost or damaged contact Masterpact NT after sales support tightening torque 1 5 Nm Masterpact NW tightening torque 7 Nm Comments on maintenance Reference See the Masterpact user manual documents Date Author Modification Bretteville First edition Document Index PS BE PS dg breaking unit NII 1 1 doc 2 2 Schneider Electric Merlin Gerin Maintenance Masterpact NT NW Level Il programme EEE RE Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 15 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test
78. tream terminals Test equipment The high voltages used for certain tests are dangerous and may result in serious injury or death During the tests it is strictly forbidden for anyone to touch the circuit breaker or the conductors while voltage is applied Return to operation Before putting the equipment back into operation it is mandatory to check that all connections are made with the correct tightening torque the inside of the cabinet is clean all protective covers are in position and the circuit breaker is off open position Device locking Action Open and close padlocking system installed on device Goa Check operation of locking system Special None indications Pre test HM RE conditions Poston ofpoes Open Open The device must comply one Discharged Discharged with the conditions nm Connected Test Disconnect Remov specified opposite ed Necessary tools Device locking NII 1 2 doc 1 3 Procedure Comments on maintenance Reference documents Document Baedificati qns 2 doc Schneider TPE lectric Procedure Note It is possible to lock the circuit breaker with the poles in the open position using one to three padlocks Check on locking with circuit breaker open Press the OFF pushbutton Hold the OFF pushbutton down and pull out the padlocking tongue on the front of the circuit breaker Install the padlock s and release the OFF pushbutton If necessary charge the device mechani
79. ts If the circuit breaker closes m check that the lock support is correctly installed m run the test again If the support is not OK replace the support If the problem persists contact after sales support If the circuit breaker does not close m check that the lock support is correctly installed m run the test again If the support is not OK replace the support If the problem persists contact after sales support 2 3 Schneider TPE lectric Reference Masterpact NT user manual doc no 51201115AA documents Masterpact NW user manual doc no 04443720AA Document Index Date Author Modification 2 Bretteville First edition modifications Device locking NII 1 1 doc 3 3 Schneider Electric Merlin Gerin Maintenance Masterpact NT NW Level Il programme Issued by Validated by Last modification ABT Services Product Manager ABT Quality Manager Index A First edition 14 December 2004 Date See last page for details on modifications Warning For checks and preventive maintenance the operator must take all necessary precautions to avoid injury Circuit breaker test Unless specified otherwise in the special indications below all operations inspection test and preventive maintenance must be carried out with the circuit breaker device and chassis and the auxiliary circuits de energised Checks to ensure that the circuit breaker is de energised must be carried out on the upstream and downs
80. x cO D O n LL gt N WIJ OLODLN Z L e6ed 4 6 Power connections NIII 2 1 doc Schneider fa dr Electric PAV amont PAV aval general view Hex 5 2 vis screw M8x16 Power connections NIII 2 1 doc 5 6 Schne eider es Electric Comments on maintenance Reference documents Document Index j Date Author _ Modification Bretteville First edition roma o DS NN Power connections NIII 2 1 doc 6 6

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