NoT013-02 SE
Contents
1. Lifting point X VZ7Z777A X U GER GER GR GE ET Te VE VG N VE lt m SZ Se Detailed diagram pois of the attachment w Im 50 C 4 5 Storage conditions The storage area must shelter the equipment from agents likely to cause deterioration such as Water Water vapour Salt laden air Pollution of any type Microorganisms Please consult Schneider Electric in case of non compliance with these criteria Make sure the equipment was conditioned in Avoid storing the equipment in areas Make sure no aggressive vapours such as accordance with the requirements of the submitted to abrupt and drastic changes of sulphur dioxide SO2 for example are given scheduled storage period temperature off 4 6 intervention levels Description Operations carried out by the Customer Operations requiring specific training carried out by an approved third party Work to be carried out exclusively by Schneider Electric Electric DNF 7 DNF7S 4 7 Specific recommendations for storage durations of less than 6 months Packaged under a plastic covering 12 3 Periodically carry out an inspection of the packaging XxX X X When unpacking check the operation of the switchgear by carrying out several2. Valorization of the equipment anaana anaana Saloy INSWUCHONS lt 4 444 4qepes4uteegee ara era rege Dismantling of the equipment 0 0 ce ees 22 22 22 23 24 24 25 25 26 27 28 28 28 AMTNoT013 02 revision 04 DNF 7 DNF7S Schneider Electric 2011 Schneider Electric the Schneider Electric logo and their figurative forms are Schneider Electric registered trademarks The other brand names mentioned within this document whether they be copyright or not belong to their respective holders Schneider Electric request the carefully reading of the following instructions in order to familiarize yourself with the product in this document before trying to install operation put into service or conduct the maintenance on it 1 1 This user manual does not list the locking out procedures that must be applied The interventions described are carried out on de energized equipment in the course of being installed or locked out non operational 1 2 Protection equipments Only qualified and accredited people can operate on our products They must be equipped with all the correct protective equipment required for the task being performed 1 3 Symbols of information Code for a product recommended and marketed by Schneider Electric service Our products are fully quality controlled and tested at the factory in accordance with the standards and regulations currently in force
3. Check the conformity with the Protection Index leaktightness of the Functional Units various blanking panels etc Mechanical checks Date Remarks Signature Operating and interlocking tests on the access doors and removable panels Key locked system tests Inspection of mechanical tightening torques electrical jointing power and earthing circuits etc Handling operations carried out on the switchgear Closing and opening the load break switches and earthing switches Arming closing and tripping the circuit breakers Inspections and tests Date Remarks Signature Dielectric tests at 80 of the test value Whilst taking all necessary precautions carry out a dielectric test on the HV equipment and LV cabling NB These tests must be carried out prior to electrical testing Electrical tests Check the continuity of the earthing circuit Check the connections on the LV links Test the correct functioning of the LV switchgear Record the relay parameters State of the switchgear Date Remarks Signature Ensure that all the load break switches circuit breakers and earthing switches are open and the access panels to the cables and the busbars are in place In accordance with the fuse supplier instructions ensure that the striker covers on the voltage transformer fuses have been removed 30 Schneider AMTNoT013 02 revision 04 Electric DNF 7 DNF7S 9 5 Energizing the incoming
4. 5 3 Handling of the functional unit without a circuit breaker 1 m min I m Mount2 squares in the front upper E Mount the other 2 squares in the rear m Lift the functional unit using 4 slings corners upper corners supporting 1000 kg each 5 4 identification of the functional units and circuit breakers Check the characteristics given on the Identification and ratings plate in relation to the initial order ORDER NUMBER Num ro d affaire POSITION 000010834 CUSTOMER ID R f rence client ETS AWNY9 02 AMT 113 09 DIAGRAM Schema BUSBAR CURRENT Intensit J de B 660838 000 Ir WEIGHT Masse kg WEIGHT Masse SF6 q TYPE DNF 7 D part Disjoncteur STANDARD Norme IEC 60298 up 170_ ualro w ur 36 jw Fr 50 Hz o p Ja ka B DNF UF OPERATING MANUALS AMTNOTO13 01 Notice utilisation CONFIGURATION DNF UF 01083401 m Function and technical data plate located inside CB compartment ORTHOFLUOR Y DISJONCTEUR A GAZ SF 6 ti bar Masse SF6 Mg Courant In Pression relative SF6 20 C Tension PZ Pdc sym Iso Pdc fermeture Crt courte duree yyS rie N Cde KT Rep CIT m Each circuit breaker is identified by an instruction plate placed at the rear on its frame 12 Schneider AMTNoT013 02 revision 04 Electric DNF 7 DNF7S 5 5 Installation on t
5. The correct functioning and lifespan of the product depend on respecting the installation commissioning and exploitation instructions found in this manual Not respecting these instructions is likely to invalidate any guarantee Local safety requirements which are in accordance with these instructions especially those regarding the safety of product operators and other site workers must be observed Whilst commissioning and operating the product all general safety instructions for electrical applications protective gloves insulating stool etc must be respected this in addition to the standard operating instructions A qualified person is one who has the skills and knowledge related to the construction installation and operation of electrical equipment and has received safety training to recognize and avoid the hazards involved E Tightening torque value Example 21 Nm 1 4 Symbols and important safety informations The following special messages may appear throughout this bulletin or on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure DANGER indicates an imminently hazardous situation which if not avoided will result in death or serious injury 1 5 Contacts Group Schneider Electric service centers are there for m Engineering and technical assistance Commissioning Training Preventive and corrective maintenance Spare parts
6. 222222 seen tenes Unpacking of the functional units 0 0 00 ccc nennen Handling of the functional unit without a circuit breaker Identification of the functional units and circuit breakers Installation on the floor 1 0 0 ccc tenet enna Installation Connections 0 00 e eee Presentation of the functional units 0 0 0 ccc ee eee Installation of each functional unit 0 0 0 eee Standard case of attachment to the floor 0 0 0 cc eee eee Inter functional unit earthing circuit connection 22222222 Earthing circuit connection at the far end of the switchboard Installation of the voltage transformer housing busbars Connecting the earthing circuit of the busbar voltage transformer housing Connecting the busbar 0 0 c cece eee eee tenes Preparation of the cable connection 000 eee eee CONNECIING ING Cables arena su aa See a rer eet as Inspections prior to commissioning 0 0 00 ee eee eee Summary of the main list of checks prior to commissioning Schneider Electric N BN oa oa oa a 3a a NO NM MB NM NM DN ND OO KR A gt gt ua od COMOMOWOOAN NN OO gt au A a A oo POND m oO NN MP ma oa 1 MA Aa a0 oo gt COND OaAGAA A A HL DNF 7 DNF7S 7 1 7 2 7 3 7A 1 5 7 6 V7 7 8 7 9 8 1 8 2 8 3 8 4 8 5 8 6
7. 5 3 R m Connect both earthing circuits at the bottom of the front female connector on the left and right hand side 17 mm spanner 6 5 Earthing circuit connection at the far end of the switchboard Towards the premises earth bar Earthing circuit H M10x40 screw ay M10 nut gt M10 washers ES10 washer m Connect the earthing circuit of the switchboard to the earthing bar of the premises 17 mm spanner ee Schneider 15 Electric DNF 7 DNF7S 6 6 Installation of the voltage transformer housing busbars 3 points at the front i Abe 3 points on each side Viewed from the front The voltage transformer housing busbars is It is fixed by captive nuts and H placed on the roof of the functional unit 9 M8 x 20 screws 9 ES8 extra tightening washers 9 M8 washers 13 mm spanner 6 7 Connecting the earthing circuit of the busbar voltage transformer housing 1 Upper earthing circuit 2 Connection fasteners 1 H M8x16 screw 2 M8 washers 1 extra tightening ES8 washer 1 H M8 bolt 13 mm spanner 3 Lower earthing circuit 1e Schneider AMTNoT013 02 revision 04 DNF 7 DNF7S 6 8 Connecting the busbar When connecting the differe
8. Make sure the circuit breaker is plugged in position released The circuit breaker can then be tested at no load m The unplugging operation automatically generates the release of the circuit breaker in case this had been omitted the obstruction of the plugging in plugs by means of metal shutters m Pull the circuit breaker until it reaches the m Lock the circuit breaker whilst swinging test position using both side handles the lever to the right AMTNoT013 02 revision 04 ATS DNF 7 DNF7S 7 6 Complete unplugging operation of the circuit breaker m Make sure the re arming motor is not in an operating cycle m Note The locking of the low voltage plug is optional m Press the unlocking lever of the low m Maintain the lever voltage plug m Turn the knurled button m Unplug the socket ta m Clip the low voltage socket onto its m Swing the lever into the vertical position m Extract the circuit breaker from its support which unlocks the circuit breaker from its compartment by pulling it using both side test position handles 7 7 Plugging in operation of the circuit breaker m m The circuit breaker must be in the open m Push the circuit breaker until it reaches m Before plugging in and screwing in the position the test position low voltage plug manually arm the m Inse
9. box I NO OT AR ONS Low voltage wiring sheath o 6 Schneider AMTNOTOT13 02revision 04 Electric DNF7 DNF7S 4 Packaging Handling Storage 4 1 Packaging m Packaging for road and rail transport m Packaging for air and sea transport m The FP741 high voltage circuit breakers functional unit on wooden pallets and functional unit wrapped under heat and the voltage transformer housings are wrapped under plastic film sealing film with desiccant bags and delivered separately on pallets They are placed in wooden crates wrapped under plastic film to be sent to a The accessory packs contain all of the m The moving parts except the FP741 French destination and put in crates to parts necessary for the installation and high voltage parts are delivered be sent abroad operation of the switchboard strapped in each functional unit 4 2 Reception On reception ensure that the switchgear is Check the contents of the accessories pack complete using the enclosed list NOTICE h The functional unit must remain on its base functional units and moving parts and in its original packaging during the If any anomalies are perceived please make storage period and until it is installed the nece
10. by a specialised technician trained by Schneider Electric in the implementation of procedures and who is equipped with specific equipment All preventive and corrective maintenance all renovation and reconstruction work is carried out by Schneider Electric 10 2 Preventive maintenance for the circuit breaker moving part Please refer to the specific instruction manuals See 2 3 3 Removal of dust from the insulating enclosure of the poles clean dry cloth X X X Checking the state of the plugging in clips X X Checking the earthing device on the moving part clips and contact jaws X X 10 3 Preventive maintenance of the functional units Verification of the presence and condition of accessories levers etc Visual inspection of the exterior cleanliness absence of oxidation etc Cleaning of external elements with a clean dry cloth Checking the tightness to torque covers wiring ducts connections etc Checking the mechanical controls by carrying out a few operations Checking the positioning of the status indicators armed open and closed Control of the status and functioning of locking by key locks X KX XXXXXX N Dusting and cleaning the internal mechanical elements without solvent Inspection of the tightening of the threaded fasteners and presence of internal stop elements Dusting and cleaning the internal mechanical elements with solvent Lubrication and greasing of mechanical elements with recommen
11. to reduce the constraints linked with cable fastening j a m Fix each cable onto the connection lug m To mount 2 cables per phase connect For cables lt 400 mm2 1 M10 screw these 2 cables onto the first connection 8 8 class tightening torque 32 Nm lug For cables gt 400 mm 4 M8 screws 8 8 class tightening torque 16 Nm Ena H M8x25 screw Tightening strap Grommet Cable Earthing braid m Carry out the fastening of each cable onto the cable itself m Connect the 3 earthing braids to the m The cable earthing braids must go above the bottom plates earthing circuit H M8x25 screw m Do not stick the phase marks coloured adhesive tape on the re assemblies 13 mm spanner m Re assemble the rear crossbeam 20 Schneider AMTNoTO13 02revision 04 Electric DNF 7 DNF7S 6 11 Inspections prior to commissioning Please refer to the drawings and diagrams Rigorously observe the locking out Check that the premises the cable duct the provided with the equipment and which operations and tests under the operating ventilation devices etc are water tight describe the functionalities performed to carry conditions on site out every step of the necessary operations Record the numbers and identification marks of the equipment and sub assemblies 6 12 Summary of the main list of check
12. 9 1 9 2 9 3 9 4 9 5 9 6 10 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10 8 10 9 11 11 1 11 2 11 3 11 4 12 12 1 12 2 12 3 13 OBC AON er ea een Operating levers 2 2 222222 ee ee een eee ete ene Opening operation of the earthing switch 0 0 ccc eee Closing operation of the earthing switch 0 0 cece eee Plugging in and unplugging operations of the circuit breaker Unplugging operation of the circuit breaker up to the test position Complete unplugging operation of the circuit breaker Plugging in operation of the circuit breaker 0 0 00 ccc eee Mechanical device preventing any plugging in operation Operatings for the voltage transformer compartment 06 Standard locking out and interlocking procedures Functional mechanical interlocks 0 000 eee eee eee Immobilization device of the earthing switch by means of locks Immobilization device for the earthing switch by means of padlocks not supplied 0 6 een ene n een e eens Immobilization device for the plugging in operation of the moving part Padlocking of the blanking shutters by padlock not supplied Additional locking out and interlocking procedures 0005 Commissioning 2 00 eee e eee ees ROT ee eet akorra ein eel ee eee eee eee ee eee Inventory of tools an
13. Adaptation work AMTNoT013 02 revision 04 WARNING indicates a potentially hazardous situation which if not avoided can result in death or serious injury CAUTION indicates a potentially hazardous situation which if not avoided can result in minor or moderate injury 1 Schneider Electric at your Schneider Electric declines any responsibility for the following points the non respect of the recommendations in this manual which make reference to the international regulations in force the non respect of the instructions by the suppliers of cables and connection accessories during installation and fitting operations possible aggressive climatic conditions humidity pollution etc acting in the immediate environment of the materials that are neither suitably adapted nor protected for these effects Particular instructions for operations and interventions All operations must be completed once started The durations for completing the operations mentioned given in the maintenance tables are purely an indication and depend on on site conditions Except when it is imposed the wearing of the gloves has been voluntarily limited in this manual so as to have clear visuals of the hands and operations described Mark corresponding to a key NOTICE NOTICE is used to address practices not related to physical injury The safety alert symbol shall not be used with this signal word Schneider Electric E
14. Primary Distribution Switchgear DNF 7 DNF S Normafluor Instructions Installation Commissioning Operation Maintenance Schneider DNF 7 DNF7S AMTNoT013 02 revision 04 Contents 1 1 1 2 1 3 1 4 1 5 2 1 2 2 2 3 2 4 2 5 3 1 3 2 3 3 3 4 3 5 3 6 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 9 1 92 5 3 5 4 5 9 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 6 10 6 11 6 12 Schneider Electric at your service 05 Particular instructions for operations and interventions Protection equipments 00 ccc eee eee eens Symbols of information 22422006088 oe Pas ee PE He en Symbols and important safety informations 000 cece BON Seren See es oe 555 rA E este 6 eeeeee es With regards to this User Manual Eco design concept and valorization of the materials used Reminder concerning normal service conditions in accordance WINIECH227 121 2444082945200 oe 65 ee dds e185 65e 6 ee eee eee rn Permissible ambient temperature 0 0 0 0 cee ene Installation altitude 0 0 0 0 eee eee eens Atmospheric pollution arz u tr 2 ee ade de eal eee eee eee ee ee ele Permissible atmospheric humidity level 00000 cece eee eee Other technical notices to be consulted 0 0 ccc eee Tightening torque values Nm for standard assemblies nut bolt Tools and
15. VA Lever up unplugged Y transformers Lever down plugged in transformers Bo In order to access the fuses or the secondary circuit devices of the voltage transformers 1 Operate the control ramp from the bottom to the top which leads to Switching of all of the voltage transformers fuses Breaking of the MV current Disconnection of the low voltage circuit Note During the transformer opening or closing operations accompany the control ramp until the end of the operation 2 Open the doors giving access to the voltage transformers and fuses 3 Insert the protection screen red in its housing which ensures the physical separation from the energized parts 4 Then access the fuses AMTNoT013 02 revision 04 Schneider Electric 27 DNF7 DNF7S 8 Standard locking out and interlocking procedures 8 1 Functional mechanical interlocks DNF7 DNF7S Functional Units are equipped with mechanical interlocks called functional intended to avoid any kind of operating error 8 2 Immobilization device of the earthing switch by means of locks m Earthing switch open m Earthing switch closed 8 3 Immobilization device for the earthing switch by means of padlocks not supplied NOTICE NOTICE The passage holes are foreseen for padlock The fitting of several padlocks on a single shackles of 8 mm point ne
16. can be plugged in Installation Connections Sequence the incoming feeder of the functional units in accordance with the single line wiring diagram Continue to lay out the functional units whilst carrying out the same verifications Viewed from the side Seven coupling points 7 H M10 x 20 screws 7 H M10 nuts 14 C10 washers 16 mm spanner N Viewed from the front KENN Carry out the coupling of the functional units together 4 points at the front 3 at the back Do not forget to block up the holes of the lifting squares of the end functional units using the plugs delivered with the accessories This operation is necessary to preserve the equipment protection index 6 3 Standard case of attachment to the floor 6 points of attachment to the floor 12 mm bolts excluded 150 500 1650 1200 OO O O1 55 gt lt 100 Viewed from the front lt 100 1200 55 er AMTNoT013 02 revision 04 DNF 7 DNF7S 6 4 Inter functional unit earthing circuit connection Earthing circuits it oe e Left hand functional unit Right functional unit y ES Point of connection ij O H M10 nut gt H M10x30 screw sus ES10 washer M10 washers I S
17. ce with the relevant procedure s obtain the guarantee connected with the carrying out of the service determine the origin of the failure AMTNoT013 02revision 04 Schneider 5 Electric DNF7 DNF7S 11 Spare parts 11 1 The spare part Describes a part that is designed to replace a corresponding one with a view to re establishing the original function NOTICE NOTICE The replacement of these parts can only be For an explanation of the levels of carried out by an approved person authorised maintenance please refer to 10 1 and trained for this operation Programmed replacement 1 2 1 2 u 30 000 h This concerns wearing parts designed to be replaced 40 000 h after a predetermined number of uses Undervoltage coll energized im Use Maintenance stock necessary for optimum HV fuses by 3 maintenance procedures every 6 years Non Programmed replacement Designates spare parts the replacement of which intervenes following particular conditions in use Tertiary resistor Use Parts that are changed during a corrective maintenance operation outside the scope of normal Luminous indicator preventive maintenance actions Exceptional replacement 1 2 X XX X XX 1 Use Spare parts or sub assemblies conserved in a Operating lever for circuit breaker safety stock Moving part circuit breaker Current transformers Voltage transformers Lightning Surge arrester Moving part micro switch position Describes th
18. cessitates the use of an accessory that is not supplied Earthing switch open i m Earthing switch closed 28 Schneider AMTNoT013 02 revision 04 Electric DNF 7 DNF7S 8 4 Immobilization device for the plugging in operation of the moving part The immobilization of the plugging in Before any plugging in operation of the circuit operation of the circuit breaker moving part breaker make sure the earthing switch is NOTICE can be carried out by means of padlocks or open see 7 2 locks Before any operation of the earthing switch make sure that the moving part is in the test position see 7 5 or extracted from the compartment there is no voltage on the voltage presence boxes 8 5 Padlocking of the blanking shutters by padlock not supplied The circuit breaker must be withdrawn and extract from its compartment see 7 6 m Circuit breaker withdrawn location m Locking out by padlock not supplied m Locking out by padlock not supplied intended for fitting the padlocks NEVER ATTEMPT TO LIFT UP OR DISMANTLE THE BLANKING SHUTTERS 8 6 Additional locking out and interlocking procedures Other locking out and additional locking devices can be supplied depending on the particular specifications of the contract AMTNoT013 O2revision 04 Snider 29 Electric DNF7 DNF7S 9 Commissioning 9 1 Reminder Prior to shipping DNF7 DNF7S Func
19. d accessories on completion of work Pre commissioning information 0 00 cece eee ee eee tenes Final checks before commissioning 00 cece cence ee eee ees Energizing the incoming feeder functional unit 000000 ee Checking the phase balance 00 ccc een ene Maintenance oir eee oe ee oe ee ee es Levels of maintenance us 322 aa Re Preventive maintenance for the circuit breaker moving part Preventive maintenance of the functional units 00008 Systematic maintenance aaan ananena eee eee nes Lubrication points in the moving par compartment 0005 Lubrication points in the High voltage cable compartment Corrective maintenance of the functional units 000005 Replacement of a voltage transformer fuse 00 00 eee Replacement of an internal element insulator capacitive divider etc In the High Voltage cables compartment 0 200 e eee ees In the busbar compartment 0 00 c cece eee eee eee Spare PANS arena iger bee eee uence ts Whe Shale Dale serren rir es aeeste esas ere eee rere eee ers aera st Identification of the equipment see 85 4 0 ees SIOrAgE CONCIIONS 244 60 er cures 404 500 00 ew Sues ernten Seems ren Maintenance Consumables 000 c cece eee eee tenets End of the equipment service life
20. ded products Monitoring the general appearance of the mechanical components and connections X KX XXXXXXXXXX X Testing the function mechanical interlocks 32 Schneider AMTNoT013 02 revision 04 Electric DNF 7 DNF7S Operations specific to the circuit breaker compartment moving part Ensure that the shutters function correctly plugging in unplugging Checking the state of the plugging in electrodes Cleaning the insulating components with a clean dry cloth Cleaning and lubrication of the mechanical parts see 10 5 amp 10 6 Examining the high power electrical contacts Checking for the absence of overheating or discharges in the plugging in electrodes Checking of the tightening torque on the busbars Cleaning of the internal elements insulators connections base supports etc Checking of the leaktightness of the compartment Visual inspection of the appearance of the internal components Cleaning of the internal elements insulators connections supports etc Checking of the state of the earthing switch contacts Checking of the leaktightness of the compartment Examination of the state of the cable re assemblies Cleaning and lubrication of the mechanical parts see 10 5 amp 10 6 Visual inspection of the appearance of the internal components Verification of the state of the internal components Verification of the tightening torque of the screws and presence of stop elements Visual inspection
21. e spare parts or assemblies whose fore Withdrawing crank handle seeable service life is at least equal to that of the equipment Operating lever for the earthing switch EEEEEE X x X X X X X X X X x 11 2 Identification of the equipment see 5 4 NOTICE For all orders for spare parts it is necessary to enclose the equipment characteristics form 11 3 Storage conditions The components should be stored away from dust humidity or the sun In order to facilitate the search they must be marked by the Schneider Electric reference number Certain components are fragile they should preferably be stored in their original packaging 11 4 Maintenance Consumables Designates the products necessary for For all orders for spare parts it is necessary to enclose the material characteristics data sheet 38 Schneider maintenance IT 1 Technical characteristics of the device 2 Switchboard nameplate identification plate type reference order These indications are indispensable in order number serial number year of construction to identify the parts in relation to a highly etc varied range of products AMTNoT013 02 revision 04 DNF7 DNF7S 12 End of the equipment service life 12 1 Valorization of the equipment Schneider Electric functional units are composed of recyclable elements Copper Steel Polyester copper Resin copper SF6 Re
22. e weight with Height Depth Functional unit circuit breaker kg Width mm mm mm e 2250 2300 DNF 7 Bus riser 1100 1300 3 4 Dimensions and weights of the circuit breaker moving parts delivered separately with packaging Circuit breaker moving part Approximate weight kg Width mm nn a Schneider AMTNOTOT13 02revision 04 Electric DNF 7 DNF7S 3 5 Presentation of the functional units Incoming Outgoing feeder with voltage transformer cables 4 r gt L G a ee ek re nl Coupling with voltage transformer bars Legend 1 Gas exhaust valves 2 Busbars 3 Gas exhaust duct internal arc optional feature 4 Busbar bypasses 5 Earthing switch 6 Voltage transformer compartment 7 Medium voltage cables 8 Cable fastening bottom plates 9 Current transformers 10 FP Orthofluor circuit breaker 11 Access door to circuit breaker compartment 12 Low voltage box 13 Low voltage wiring sheath 14 Handle internal arc only optional feature 15 Mounting of the lock cup optional feature cable fastening bottom plates AMTNoT013 02 revision 04 Schneider Electric DNF 7 DNF7S 3 6 Bus riser functional unit w Land SC TH 7 Gas exhaust duct B Upper busbar e _ e Busbar bypasses g Lower busbar Current transformer Low voltage
23. feeder functional unit m Energize the cables m Check that the neon lamps of the voltage presence box light up m Energize the busbar In order to do so plug in lock and close the circuit breaker see 7 5 Case of 2 incoming feeder functional units m Energize the cables m Check that the neon lamps of the voltage presence box light up m Check the phase balance see 9 6 9 6 Checking the phase balance 1 Testing the phase comparator 2 Checking the phase balance m Phases balanced lamp off m Phases unbalanced lamp on m Connect both plugs of the phase m Make sure the phases are balanced comparator optional to 2 phases of the using the already checked removable same functional unit device m The lamp should light up the If there are out of phase check the cable comparator is in operation connections AMTNoT013 02 revision 04 Schneider 31 Electric DNF7 DNF7S 10 Maintenance 10 1 Levels of maintenance Description Operations recommended in the instructions manual installation operation maintenance carried out by suitably qualified personnel having received training allowing them to intervene whilst respecting the safety rules Complex operations requiring specific expertise and the implementation of support equipment in accordance with Schneider Electric s procedures These are carried out by Schneider Electric or
24. he floor The limits of the civil engineering layout depend on the type and quantity ofthe equipment to install Position the panels whilst respecting the minimum distances in the front at the back and on each side of the switchboard V T busbar housing Minimum rear passage lt gt V T cable housing Height under ceiling Front facing Minimum front passage m 4 Functional unit Minimum front passage mm DNF 7 1800 DNF 7S 1500 AMTNoT013 02 revision 04 Minimum rear mm 800 800 Minimum rear passage with voltage transformer cables mm 1500 1500 Minimum height Minimum height under under ceiling mm ceiling with voltage transformer bars mm 3000 3500 3000 3500 Schneider 13 Electric DNF 7 DNF7S 6 6 1 Presentation of the functional units In the case of a switchboard with 1 to 8 units its is recommended that the installation of the equipment be begun on the opposite side of the premises access door For a switchboard containing more than 8 units it is recommended that the installation of the equipment be started in the middle of the switchboard 6 2 Installation of each functional unit Check that each functional unit is perpendicular to the floor use wedges if necessary Remove the lifting squares 1 square in every top corner 13 mm spanner Check that the circuit breaker
25. igh atmospheric After Sales Department Whenever the The average water vapour pressure over a humidity level or the presence of hot air This humidity level is higher than 75 we period of 24 hours must not exceed 22 mbar condensation can be avoided by an recommend that you take appropriate ee appropriate lay out of the room or of the corrective measures for which Schneider The average atmospheric relative humidity building suitably adapted ventilation air Electric can offer you the necessary He mn Vi period of one month driers heating etc assistance a 7 Whenever the humidity level is higher than 95 Please do not hesitate to contact us nn A we a we recommend that you take appropriate 18 mbar 2 3 Other technical notices to be consulted m AMTNoTO23 General lubrification instruction m AMTNoTO17 BLR M Control Mechanism Operation Maintenance m AMTNoT055 ORTHOFLUOR FP Circuit Breaker Installation Commissioning Operation Maintenance 2 4 Tightening torque values Nm for standard assemblies nut bolt Threaded fasteners with Steel Steel grease Diameter Plastic PA 6 6 Class lt 8 8 Class gt 8 8 lt 10 9 me A2 70 M 10 M 12 20 Schneider AMTNOTO13 02revision 04 Electric DNF 7 DNF7S 2 5 Tools and products not supplied required for the operations described in this notice Cutter Crow bar Open ended spanners size 13 16 18 SG Socket wrenches size 8 13 16 17 18 es A F Alle
26. n key size 6 8 10 Torque wrench with sockets size 13 16 and hexagon socket screw size 6 8 10 CO ae Flat blade screwdriver u Rapid tightening pliers 4 slings 1000 kg capacity pes ed fates ss es GPSHERER Product code Clean dry cloth Solvent dielectric withstand gt 30 kV excluding chlorinated solvents Mechanical grease Mobilplex 47 Mobilux EP3 by Mobil or Stabilube T6 by Sophos Molykote PG 54 grease for electrical contacts by Dow Corning Electric DNF7 DNF7S 3 Presentation 3 1 Description The DNF7 and DNF7S cabinets are made of the front female connector which includes the switchgear compartment with the withdrawable circuit breaker running up the low pressure box the rear female connector including at the top the busbar compartment and at the bottom the cable compartment 3 2 Dimensions and weights of the functional units equipped with a circuit breaker with packaging OPTION Depth gas Approximate weight with Height Depth Functional unit circuit breaker kg Width mm mm mm mn DNF 7S i Incoming or 1550 2500 Outgoing feeder 2300 DNF 7S Coupling 1350 2250 DNF 7 Incoming or 2770 with VT Outgoing feeder eos 1300 cables 2500 DNF 7 Coupling 1450 3 3 Dimensions and weights of the functional units with no circuit breaker with packaging i Depth gas Approximat
27. nergy France 35 rue Joseph Monier CS 30323 F 92506 Rueil Malmaison Cedex www schneider electric com Schneider 1 Electric DNF7 DNF7S 2 With regards to this User Manual 2 1 Eco design concept and valorization of the materials used The design and manufacture of our packaging are both in conformity with the French government decree N 98 638 of 20 July 1998 concerning the account that is taken of environmental requirements 2 2 Reminder concerning normal service conditions in accordance with IEC62271 1 Permissible ambient temperature The ambient air temperature should be The mean measured value for a 24 hour comprised between 5 C and 40 C period must not exceed 35 C Installation altitude HV equipment are defined in accordance with Beyond this account must be taken of the For these specific cases contact the European Standards and can be used up to decrease in dielectric withstand Schneider Electric Sales Department an altitude of 1 000 m Atmospheric pollution The ambient air must not contain any dust particles fumes or smoke corrosive or flammable gases vapours or salts Permissible atmospheric humidity level The average atmospheric relative humidity Condensation may appear in case of any corrective measures For any assistance or level measured over a 24 hour period must sharp variation in temperature due to advice contact the Schneider Electric not exceed 95 excessive ventilation a h
28. nstructions and the site area we recommend that the premises be instructions in force heated or the heating resistor be supplied power for 24 hours prior to commissioning Signature 21 DNF7 DNF7S 7 Operation 7 1 Operating levers m Earthing switch m Circuit breaker moving part m Circuit breaker rearming lever 7 2 Opening operation of the earthing switch Never use the operating lever without having previously pushed in the unlocking lever III A I III III A II IN m Insert the lever in the vertical position m Unlocking lever placed on the left of the m Indications on the direction of the handle in the high position control mechanism box of the earthing earthing switch operation switch 22 Schneider AMTNoT013 02 revision 04 Electric DNF 7 DNF7S II l HA IN mm II m Using your left hand push the unlocking lever down m Using your right hand hold the operating lever by the handle and swing it to the left u ee be a Fan Fst fy u Unlocking lever placed on the left of the control mechanism box of the earthing switch II IN a i m Atthe end of the operation the unlocking lever returns to its original position m The earthing switch is open ae A m Check the physical position of the earthing switch u
29. nt elements of the busbar NOTICE respect the mounting directions of all the parts Make sure the contact surfaces are clean use the screws found in the accessories No other preparation is necessary to connect pack the copper on copper tinned aluminium on use the screw tightening torques tinned aluminium and tinned aluminium on recommended by Schneider Electric copper connections eS Sa meet m Keep the CHC M12x50 screw which will be used to fix the bar m Assemble the bars in accordance with the diagrams and photos given below m The parts A are mounted and the screws are in place see diagram opposite m Whatever the current the bypasses are m Remove the part supporting the bypass mounted in the factory the fasteners connection which ensures the rigidity of being in place the whole switchgear for transport m Remove the rear panel 8 screws 10 mm A F Allen key 13 mm spanner 1 A C Busbar Busbar PUSHA 3 Mounting of one busbar at the end Mounting of 2 busbars of the switchboard 1 Place the round busbars inside the 3 Tighten the 2 HM10x55 screws 3 bypass shells A busbars or HM10x45 2 busbars D 16 mm 2 Fix the busbar onto the supporting Open ended spanner or socket wrench insulator B using the CHC M12x50 E 4 Tighten the 8 CHC M8x35 screws C screw 10 mm A F Allen key 6 mm A F Allen ke
30. nt using a rule adjustment of the cement top coat than 6 mm throughout the length of the should eliminate any surface irregularities switchboard greater than 2 mm per metre 5 2 Unpacking of the functional units The functional units should only be unpacked Remove the plastic film or dismantle the front Keep the roof and use it as a ramp when on the installation site panel and the roof of the crate extracting the circuit breaker i u au m Open the door of the functional unit m Remove these two red supporting bars m Extract the circuit breaker see 5 7 and m Two red bars fasten the circuit breaker lower and upper bars 8 HM8x30 5 9 screws 13 mm spanner m Remove the 2 upper squares of the m Recuperate and place the roof of the panel of the moving part crate as a ramp when extracting the circuit breaker a gt 4 x Di al i m 2 red skids are fixed 1 on the bottom m Remove the 4 lifting squares from one of m Dismantle the wooden base attachment plate of the front female connector They the skids 2 and mount them on the by the inside using 4 M10 x 60 fixing are only used to support the moving part functional unit bolts 4 2 in the front female connector during transport m Remove these two red skids and 2 in the rear lower compartment 4 M8 x 60 fixing bolts 3 AMTNoT013 02revision 04 Schneider 41 Electric DNF 7 DNF7S
31. of the contact surfaces Inspection and cleaning of the contact surfaces on the HV fuses Checking of the state of the internal components Checking the tightening of the terminals and the electrical connections in general Examination of the general state of the wiring and the relays 10 4 Systematic maintenance A systematic check of every point of Every 3 operations all of the fasteners must tightening of the high voltage connections be changed NOTICE may be required In some cases screws need lubrication please refer to the assembly plans ae Schneider 88 Electric DNF 7 DNF7S 10 5 Lubrication points in the moving par compartment Apply the General Safety Instructions booklet for Electrical Applications and the particular recommendations for the network concerned for locking out operations Duration 1 hour per functional unit a a ie Madi fi m Lubrication of the guide sliding joints of m Plugging in ramp m Earthing shoe and plugging in block of the shutters joints of the tie rods and the circuit breaker s earthing circuit rollers 10 6 Lubrication points in the High voltage cable compartment Apply the General Safety Instructions booklet for Electrical Applications and the particular recommendations for the network concerned for locking out operations Duration 1 hour per functional unit m Joints sliding joints and
32. operations XxX X X 4 8 Specific recommendations for storage durations of between 6 and 12 months Protected by a heat welded sheet with bags of desiccant Periodically carry out an inspection of the packaging check that among other things there are no holes When unpacking Check the operation of the switchgear by carrying out several operations Test the min threshold level AC 85 rated Un DC 70 of Un for the electrical operation of the coils Periodically carry out an inspection of the packaging check that among other things there are no holes Periodically replace the bags of desiccant When unpacking carry out light maintenance work Check the mechanical operation of the switchgear by carrying out several operations Test the min threshold level AC 85 rated Un DC 70 of Un for the electrical operation of the coils The pressure of any SF6 circuit breaker having travelled by air must be restored to its rated value before any mechanical operation test 10 Schneider AMTNoT013 02 revision 04 Electric DNF7 DNF7S 5 Unpacking and assembling the equipment 5 1 Civil engineering characteristics The installation of a switchboard requires a A layout on iron supports for levelling off is The overall flatness of the support surface sufficiently flat and even concrete structure The ideal as they will also serve as a guide for the should not show up any deflection greater dressing of a top coat of ceme
33. own in this document can only be confirmed by contacting our departments Publication Schneider Electric Design Schneider Electric 03 2011
34. products not supplied required for the operations described in this NOICE aay er a be oe ee es es ee Presentation 26 i e0eee vee ew ieee rn a a ads DESERDION aust rE EE E Ae hae ood ae oe conan oe Ge tego ee eo a oe Dimensions and weights of the functional units equipped with a circuit breaker With packaging 0 ccc ee eee een ee eens Dimensions and weights of the functional units with no circuit breaker WITH Packaging x tance d awe ee ad eee ee ae Dimensions and weights of the circuit breaker moving parts delivered separately with packaging 0 ccc eee ee eee eee eens Presentation of the functional units 0 ann Bus riser functional unit 2 more Packaging Handling Storage 05 Package ana son de devs loca c are e eid ead neat ade baree PRECCDUON Saee ne Gus ae ee aoa ene ane god Ge oe Sone eae Oe eo ee ae eae a Handling of the functional unit 0 c eee eens Unpacking and handling of the high voltage moving part delivered separately Storage conditions s aaaea e Mervenion levels aaa ea et ae a ae RS Ran Specific recommendations for storage durations of less than 6 months Specific recommendations for storage durations of between 6 and 12 months Specific recommendations for storage durations of between 12 and ZA MONS ernennen anna nee Unpacking and assembling the equipment Civil engineering characteristics 2
35. rt the operating lever into the vertical m Swing the lever to the left mechanical control mechanism position cut the LV circuits AMTNoT013 02 revision 04 Schneider 25 Electric DNF 7 DNF7S II a IW ii 1 ae Ua m Push the circuit breaker lever always on m Circuit breaker at its end stop swing the the left until it reaches the end stop lever to the right locking in the plugged in position en FR Remove the lever Close the door The circuit breaker is ready to be operated 7 8 Mechanical device preventing any plugging in operation m Every functional unit is equipped with a m Never change the altitude or remove the m Never dismantle the fool proof bracket mechanical fool proof system fool proof device from the functional unit placed under the moving part preventing the plugging in operation of an incompatible moving part dwarning NOTICE NOTICE Do not force the introduction of the moving Check the matching of the moving part If necessary you are allowed to insert a part into the front female connector current with the type and rating of the 1250 or 2000 A circuit breaker moving part functional unit into a 630 A functional unit 26 Schneider AMTNOoT013 02 revision 04 Electric DNF 7 DNF7S 7 9 Operatings for the voltage transformer compartment Protection screen H
36. s prior to commissioning NOTICE Inspections and tests have been carried out at the factory Details of the checks Date Notes Visual inspections Make sure there is no foreign matter inside the switchboard Check the outside appearance no trace of shocks no scratches on the paint Carry out the necessary touch ups Check that the equipment complies with the safety index leaktightness of the functional units different obstructions etc Mechanical inspections Operation and interlock tests of the access doors and moving panels Tests carried out on the interlock system by means of locks Inspection of the mechanical tightening systems electrical jointings power and earthing circuits etc Operational manoeuvres of the moving parts Plugging in and unplugging operations LV plug connection Arming closing tripping Dielectric tests Whilst taking all the necessary precautions carry out a dielectric test of the HV equipment and LV wiring Note These tests are to be carried out before the electrical tests Electrical tests Verification of the earthing circuit continuity Checking the connections of the LV links Operational test of all of the LV equipment Recording of the relay parameter settings after having checked that the switchboard is operating correctly AMTNoT013 02 revision 04 Schneider Electric If the equipment has been kept in a humid Respect the general i
37. sin copper Resin copper 12 2 Safety instructions Do not dismantle the mechanical Do not open the poles without first Do not dismantle the earthing control mechanism springs without having recovered the SF6 gas using switch s springs without the releasing the releasing device the appropriate tools device 12 3 Dismantling of the equipment Consult Schneider Electric for all types of decommissioning work Remove all electrical equipment coils motors etc On disassembly the materials must be sorted and sent on via the appropriate recycling channels The recovery of SF6 gas and the opening of the switches or the poles can only be carried out by Schneider Electric ae Schneider 87 Electric DNF7 DNF7S 13 Notes If you have any comments on the use of this document or on the use of the equipment and services that are described in it please send us your remarks suggestions and wishes to Schneider Electric Service Technique BP 84019 F 71040 M con Cedex 9 FRANCE Fax 33 0 3 85 29 36 36 38 Schneider AMTNoT013 02 revision 04 Electric Schneider Electric Energy France 35 rue Joseph Monier CS 30323 F 92506 Rueil Malmaison Cedex RCS Nanterre 511 746 356 Capital social 6 909 620 www schneider electric com AMTNoT013 02 revision 04 2011 Schneider Electric All rights reserved Due to possible changes in standards and equipment the characteristics and images sh
38. sing the 2 inspection windows of the rear panel 7 3 Closing operation of the earthing switch u Indications on the direction of the earthing switch operation m When there is no earthing switch the back panel has no inspection window ee MOM m Insert the lever in the vertical position handleat the bottom m Using your left hand push the unlocking lever down m Using your right hand hold the lever by the handle and push it up to the left AMTNoT013 02 revision 04 tll Il TT IT UI II Il N I MT III remains in the same position m Hold the lever using both your hands in order to finish the closing operation of the earthing switch m Atthe end of the operation the unlocking lever returns its original position m The earthing switch is closed m Check its physical position through both inspection windows of the rear panel Schneider 23 Electric DNF 7 DNF7S 7 4 Plugging in and unplugging operations of the circuit breaker m Instruction plate at the front of the circuit breaker 7 5 Unplugging operation of the circuit breaker up to the test position e 1 m Open the door of the circuit breaker m Insert the operating lever in the operation Swing the lever from the right to the left compartment E position on the right which unlocks the circuit breaker from its m
39. ssary reservations with the forwarder Electric DNF 7 DNF7S 4 3 Handling of the functional unit Stringer 1 mimin r J 2 GEF GEF a a a a A m Packaging for road and rail transport m Packaging for air and sea transport m Voltage transformer housings same type using 2 slings of 1500 kg each and a using 2 slings of 1500 kg each and a of handling as for the functional units lifting device lifting device m Place a protection stringer between Note the minimum heights given on the each sling on the roof of the functional diagrams above must be respected unit 4 4 Unpacking and handling of the high voltage moving part delivered separately NOTICE Acaution Every circuit breaker is handled in the same A circuit breaker should never be handled by way its connectors or its control mechanism 8 Schneider AMTNoT013 02 revision 04 Electric DNF 7 DNF7S 1 Remove the roof and sides of the crate crowbar 2 Unscrew the 2 HM12 screws 18 mm spanner 6 3 Remove the 2 axles of the housing 4 Insert a round steel shaft with a diameter of at least 30 mm throughout the width of the circuit breaker 5 Pass the slings over each end Approximate position 6 Insert a wooden stringer of the centre of gravity 7 Raise it using a lifting device Round shaft
40. the rear crossbeam 4 screws washers bolts 13 mm spanner 3 Dismantle the fastening crossbeams 2 screws washers 13 mm spanner Do not move the last crossbeam Examples of positioning 1x 13mm hole 4x 10 5 mm holes Connection Drilling T d w C p wa Lug Type 1 Connection for all types of lugs lt 240 mm aluminium copper lugs 300 mm and 400 mm 16 5 30 16 5 gt lt gt lt Type 2 Connection for aluminium copper lugs 500 mm and 630 mm 300 mm and 400 mm aluminium lugs NOTICE In order to obtain a proper drilling dismantle and tighten the connection in a vice making sure it is protected position and fix the lug onto the connection using rapid tightening pliers point and drill the holes using those of the lug for the centering AMTNoT013 02 revision 04 Drilling of a lug connection type 1 Schneider 19 Electric DNF 7 DNF7S 6 10 Connecting the cables m Cutthe grommet according to the m Insert onto the cable m Itis re assembled at the end of the cable diameter of the cable installation of the lug in accordance with the instructions of the supplier regarding the cable ends First connection lug ya NOTICE Make sure the cable goes through the cable trough in order
41. tional If the equipment has been stored in a damp Also check the leaktight sealing in the room Units are mechanically and electrically tested location it is recommended that the room be and the cable troughs heated and the heating elements be energized for a period of 24 hours prior to installation of the switchboard 9 2 Inventory of tools and accessories on completion of work Recover verify and tidy away all assembly Return the Functional Unit s and Circuit Attach the DNF7 DNF7S technical instruction tools and objects not required in the Breakers operating accessories to their manual in a visible location within the room switchboard respective storage positions 9 3 Pre commissioning information Respect the General Safety Instructions Record the serial numbers and identifying Refer to the drawings and diagrams supplied booklet for Electrical Applications and the marks on equipment and switchgear while with the equipment They describe the particular regulations for the network they are accessible Tests and inspections functionalities employed to carry out the level concerned with regard to locking out have already been carried out in the factory of operation required procedures 9 4 Final checks before commissioning Visual inspection Date Remarks Signature Ensure there are no foreign bodies inside the switchboard Check the external appearance for absence of blows scratches on the paint carry out touch ups if necessary
42. toothed pinions m Joints and sliding joints m Knives of the earthing switch 34 Schneider AMTNoT013 02 revision 04 Electric DNF 7 DNF7S 10 7 Corrective maintenance of the functional units Replacements or modifications 3 Replacement of a voltage transformer fuse see 10 8 X X Replacement of an internal element insulator capacitive divider etc see 10 9 X X 10 8 Replacement of a voltage transformer fuse Intervention Duration Busbars Cables Circuit breaker Earthing switch Normale 1h energised energised closed open Possible 1h energised energised closed opent To have access to the fuses please refer to Do not forget to remove the visual indicator the instructions given in 5 8 covers from the new fuses 10 9 Replacement of an internal element insulator capacitive divider etc In the High Voltage cables compartment Intervention Duration Busbars Cables Circuit breaker Earthing switch Normale 2h de energised de energised open amp unplugged open Possible 2h energised de energised open amp unplugged open In the busbar compartment Intervention Duration Busbars Cables Circuit breaker Earthing switch Normale 2h de energised de energised open amp unplugged closed The replacement of a part is generally due to an accidental deterioration If this is the case the intervention of an Schneider Electric technician is advisable in order to replace the part in accordan
43. y Please refer to the diagram opposite AMTNoT013 02 revision 04 Schneider 17 Electric DNF 7 DNF7S Upper shell C CHC M8x35 screw B E CHC M12x50 screw Bypasses NAg B ALON Insulator support Beg D HM10x55 screw IL Lower shell C CHC M8x35 screw QO Lii 18 Schneider AMTNoT013 02 revision 04 Electric DNF 7 DNF7S 6 9 Preparation of the cable connection __ Acaution NOTICE Schneider Electric can guarantee the When installing the cables comply with the contractual characteristics within the limits connection mounting direction of the lugs the defined below fastening plates and screws Use the defined maximum cross section 630 mm with a tightening torques see 2 4 maximum of 4 cables per phase maximum width of the connection lug 63 mm The connecting connections must be drilled on the site depending on the lugs used The indications given below are valid to use the lugs in accordance with the current manufacturing standards Do not use 500 mm aluminium lugs 6 holes or more After having removed the back panel 1 Dismantle every cable tightening strap 13 mm spanner 2 Remove
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