APC SYMMETRA MW II User's Manual
Contents
1. a oe E ee i TTT I ES Y a I z Aiepeg L apeg d NH l yoel I Maeg LI ag l SS S p9 09 931 u Bulssiw S 9 Loc VVevs po s p9 DA 9gOj he 10 xoq 91oN 9 1sG TUR Sale euonoes ssoJo um 4048500 VELEL S L7 7 79809 931 Aiegg seseo einads yq u je6e1 10 92U919J9J UMM L d LI wD wD gt gt o lt 2 N ech 1 Y Y ay NU sa Jeuiuue Burgue3 eAn2ejoug UIEN J0jonpuo Butuue3 eAnoejoJd sch N A N H s 8 if 3 m J P AU 3 ule 3 2 2 2 T E 19 ul I a Lo t H H J9yaAu 9 1 indino san eyed indui sue LO ER m b Bau jueuno y nej ay 104 yyed uunjeJ jejjeyed o Bui wo jutod siy ye pesn T da G3 eq JOU UBD Suen eAnoejoud juaJino jenpisay NU 34 jesi jeune Burgue3 eAqoejoug UIEN a el e I E 4 TE a DL RK TF NE TT nl X BL 1 i ir bog 44 I 90 jndino ssed g indu ssedAg ig SO S 4 is E TI Deen eq ued een 13 enposjoud jueuuno jenpisoy i A N nad en 93IE1jU3 SSIA15S TwBUINMS SION 9 1698 UeS eJobjpuexeqsuieJjsxJes pue y L Ely S Lr v v9e09 DAI 99S sesesersads yg ur 2637 J 29 Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 q p sn aq ued eowep en2. 310N S NL AO Z 00vxe a 3 e i z i 3 d INdLNO W3lSAS Sdn avol to 3d N eYZ1 11 lath yndino ssod g PA 353 i dp EIST send ETT 70 IA E E E P rh Ogg e ssod g de d Si SS _ 90 z seuepeg z xog Joyealg Auopeg UY9IMS 91819 ssed g euJajx3 Ouel _ I a F 140 ET la 3d 14 o4 F b E Zo NET K T dy ZO i 80 I dy co i PE iL l J e oa o 00 5 a b22 l l 2 LL o ader zT gt ra ice Lg GI segg Ga j Sb BETE S NL LV n J n e L _ zHos hoez oovxe xog Joyeoug Alopeg lt p E ER F 0 y SM3HIO A8 Q3Gl O d Se SVT 4 a gt i asn4 e i ddN TlZ21Il p SNIVIN MSS V suonoes J9jJeAu SUIDIN LO JDINPON indu MIN enaul s dW pued ssed g soueuaquiey Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 External disconnection switches Warning The UPS has no built in disconnect devices to switch off external AC Q1 and Q5 and DC Q7 and Q8 input power Ensure that the disconnect devices are available as separate components for this installation Note The installer must provide each external disconnect device for this UPS system with labels displaying the following text Isolate the Uninte
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4. llle 8 External Bypass Static Switch Wiring 10 TOP cable entity so use gw xoa EET PW S 11 Communication cable overview 12 Relay BOGUS 2e x ceo on OMS be nei wc cx Ce ead na 13 Location of relay boards l c esn 13 Communication cables with optional Relay Board 13 Relay board 1 connections oo oo o 14 Relay board 2 connections 1 o 15 Symmetra MW Il 1200 kW 3 x 400 230 V Installation 990 1979E 001 i SPECIFICALIONS risa 17 Low Impedance High Impedance Earthing 17 Electrical Specifications o o oo 17 AC Input S ys pss muu pa mas Ada 18 DCINDUE ss ssi nte Ae a dod m eee 18 AC OUIDUE wx Sper dx uou SE RR EE ee iere 19 AC Input External Bypass SW o o ooooooooo 19 Heat dissipation ces xum eas E EET ue e ea 19 Notes x a Ruso dE LES uw ua E E E Nd 19 Torque specifications rrr 20 Required Breaker Settings 400 V Systems 20 Input and upstream breakers 20 Output and downstream breakers 21 APPEND EE 2 3 System and Protective Earthing rss 23 IN SV SUCKS iui gd egg A LUE Bc Dod ERU dA ae cir ee 23 Characteristics lt lt xxx y ket Siete eee ig ce ook Secs 23 Reference to IEC 60364 4 41 413 1 3 23 Reference to IEC 60364 5 54 546 2 3
5. 23 Additional requirements for generating sets IEC 60364 5 55 551 4 2 24 Protective devices in TN systems 24 IS SYVSUCINSs uacua Pare EE eal eee EE 25 Characteristics AE RR R RRR E dara 25 Reference to IEC 60364 4 41 413 1 4 25 Protective devices in TT systems 25 PE SYSTEMS 3 6 ed E yi E AAA ed 26 Characteristics a da E og mule e eee ed 26 Reference to IEC 60364 4 41 413 1 5 26 Protective devices in IT systems oo ooo 27 ii Symmetra MW Il 1200 kW 3 x 400 230 V Installation 990 1979E 001 Safety IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This guide contains important instructions for SY MF1200KH that should be followed when handling the UPS External Bypass Static Switch Battery Enclosures and Batteries Symbols used in this guide Warning Indicates an electrical hazard which if not avoided could result in injury or AN death Caution Indicates a hazard which if not avoided could result in injury or death 1 Note Indicates important information A A A Indicates that more information is available on the subject Main Protective Earthing Terminal symbol Ground symbol Installation safety Press the optional EPO Emergency Power Off button to switch off all AC and DC power EPO supply to connected equipment in the room and to cut off the load supply
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7. euro Buiypeg eAn2ejoug UIEN N N A eoweg Buuoyuojy i uogeInsu i eouepeduul Buipunouc 49 J9AUI uie Jet pow uowwog JeyoAul yndjno Sdn eaa MiNEJjeunuAS SD yndjno ssedAg pesn aq ueo Sep angoajoid yuauino jenpisay 1 esueg jua uno enpisay 9961102 99IAJ9S nad TESBUINMS Ly y Y9E09 Odl 39S 33 Symmetra MW Il 1200 kW 3 x 400 230 V Installation 990 1979E 001 APC Worldwide Customer Support Customer support for this or any other APC product is available at no charge in any of the following ways Visit the APC Web site to access documents in the APC Knowledge Base and to submit customer support requests www apc com Corporate Headquarters Connect to localized APC Web sites for specific countries each of which provides customer support information www apc com support Global support searching APC Knowledge Base and using e support Contact the APC Customer Support Center by telephone or e mail Local country specific centers go to www apc com support contact for contact information For information on how to obtain local customer support contact the APC representative or other distributors from whom you purchased your APC product Entire contents co
8. Arc by Schneider Electric Installation Symmetra MW II 1200 kW 400 V d N V Contents Ke y G A IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS AA 1 Symbols used in this guide o lt lt o 1 Installation safety ni ox NON eR A AAA RA 1 System e Te UPS SecHoDS s urus EEN 3 Serial number albi eo aa Ae BRS ES a 3 Inverter Section lt lt lt vu gu Ex A a ee 3 Control Input Output Section 3 External Bypass Static Switch s s e Ln d Serial number is ii rene 4 Electrical Installation U U 5 Typical UPS Wiring Principle lt lt lt o 5 Power wiring overview i as sas ee 5 External disconnection switches 6 Input Output wiring precautions ee 6 AC and PE cable connections 7 Battery cables connection
9. SM ag 24Voc H H5 9 H6 2 ma os Shunt trip for back feed X134A ne EPO out X177 Doe IL 3 2 Terminator ON 0765 3 5 6 H4 Gi protection External Lamp supply Voc Or Voc Max 250Vac 5A 5 6 10 11 1 Connection plane External o mo 9 EPO o placed on xz 2 wall 98 090 Gv L e o Zs N MBP CAN I O board1 0P4533 O O a N D Q2 E Norm op Earth fault sensor X175 X174 H Ma N A E ron Backfeed protection Note 3 EPO out X185 1 2 ID 0 j r TN Note 1 Contact APC Application Team for correct sizing Note 2 H7 H8 2V LED Note 3 Q2 Q4 and Q6 are optional If Q2 is not present pins 3 and 4 must be shorted on both boards If Q4 is not present pins and 8 must be shorted on both boards If Q6 is not present pins 11 and 12 must be shorted on both boards e 24Vpc Shunt trip Relay output Maintenance Bypass Panel Battery Breaker Box 2 X182 4 gs Battery CAN I O board 0P4512 X186 12345678 O E X182 Battery CAN I O
10. s ER B des ES H ta Jegen V I E jndino san eyeq Indu sure LO g LE e i Miugeneunu sS ic jueuno yne ay 104 uyed Une Jejeyed oj BUIME LE 4 l jutod siu ye p sn S ZEN rex I q JOU UBD 9IA D BAOe ONd jueuno enpises NY Id rO Id NY DD aa SS eujue Dune eAno9joJg UIEN r3 a Bid SL L TT za b zl TT P hn Lil Bu CG d p I l j 1 i I M l 90 jndino ssed g jndui ssed g I SO I pesn eq ueo Sep eAnoejoJud juauno jJenpises nad en saeua 9IJAJOS TWBUINMS Ly y y9 09 Odl 99S UOC C SUIUL MI EIS sjojonpuoo OAl 00 01d0 pue SjuoWobuele Burgye3 Symmetra MW Il 1200 kW 3 x 400 230 V Installation 990 1979E 001 32 T E E XU ag z oyeg L Meneg l LL II l yore Maneg OGG elyS Lv v voeoo 931 ees paunba aye spuewap jeroeds yng sdnoi6 ui Jo penpinipul payes aq ueo sued eAnonpuoo pesodxe ay SANE UTO 1 fe EG VEL S Ly v vOCO9 DAI 0 e2ueJejeJ UYM gt I AOS gt PI x Yy pono l yues algeuns NA sa l 80 ZO xoq JoxyeoUq i E urs Lot L Maneg VS LUELE S Lr r 79909 O3 ii Juawalmbay L epoupeje uuee oj eAneujeiy S ri TTT opnu uyga SSS fe pesce pode eS ee E T cino N c a S g 1 2 souepadwi I gt Y 3 Buipunoio 3d is
11. The EPO is typically located on a wall in the room in which the UPS 1s installed See Communication cable overview section for information on how to wire the UPS to the EPO Warning Before you start the installation verify that all AC and DC power source breakers are in the open position and the electrical and mechanical hazards involved must install or remove system components Warning Only personnel trained in the construction and operation of the equipment Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 Warning Do not use high voltage testing equipment as it will destroy the electronic circuits in the units Caution The system is equipped with an optional auto start function enabling the system to start without any warning when power is applied Caution All wiring to be in accordance with applicable national and or local electrical wiring rules This unit contains components that are sensitive to electrostatic discharge ESD Follow proper ESD procedures to avoid severe damage to electronic components Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 System Overview UPS Sections The UPS system consists of two 600 kW Inverter Sections a Control Input Output Section and an External Bypass Static Switch Section Serial number The serial number is stated on the type label behind the finishing panel above the display unit Remove finishing panel as described in Appen
12. is grounded with an impedance grounding resistor In the event of a down stream fault the fault current will be limited by the impedance of the grounding resistor The value of a high impedance system is its ability to maintain operation with a given system fault to ground 1 e the over current device will only trip at line to line faults or double ground faults For a high impedance system to provide enhanced power system reliability and availability a ground fault monitoring alarm system is required Note Grounding electrode conductor to be supplied by the customer For more information refer to Appendix in Installation Guide Electrical Specifications Warning Supply the UPS from a dedicated 3 x 400 230 V L1 L2 L3 N PE source or N a high impedance grounded system Caution Ensure clockwise phase rotation L1 L2 L3 of input voltages Caution AC and DC disconnect switches and overcurent protection must be included in the installation Note Max prospective RMS short circuit current on input terminals 200 kA Max prospective RMS short circuit current on DC terminals 50 kA 1 Note All wiring must comply with all applicable national and or local electrical codes Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 17 AC Input AC Input Input rating Power Factor Input Voltage Input Frequency Nominal input current note 1 Input Current Limitation note 2 Input Voltage Input Frequenc
13. power The system size has no influence on the instantaneous trip setting Note For derated systems the APC Application Team can provide the correct breaker settings and breaker frame sizes Note For upstream breakers not mentioned in the table the APC Application Team can provide the correct breaker settings for on line overload and trip currents The following diagram shows a dual mains system in which the upstream breakers are named Q Correct settings of upstream breaker settings are mandatory The system can also be configured as a single mains system Dual Mains Installation HANH 22 Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 Appendix System and Protective Earthing The purpose of this appendix 1s to describe the system and protective earthing principles of the Symmetra MW Caution All wiring to be in accordance with applicable national and or local electrical wiring rules TN Systems Characteristics TN systems have one point connected directly to ground All exposed conductive parts must be connected to that point by protective conductors Depending on the way the neutral and protective conductors are fed there are three types of TN systems TN S system a separate protective conductor is used in the system e TN C S system the neutral and protective conductors are combined to one single conductor in a part of the system TN C system the neutral and protective
14. 230 V Installation 990 1979E 001 1 With the top covers removed drill holes for AC PE and Battery grommets in areas shown 2 Re fit the covers and install the grommets 3 Feed AC and PE cables through grommets in the Control Input Output Section Hole distance DC Hole distance AC Hole distance _____Holedistance grounding Cable lug Busbar Cable lug Busbar Cable lug Busbar E 44 45 mm TEE 44 45 mm B 44 45 mm TEE 44 45 mm 44 45 mm Pec 45 mm J p 35 8 MM N 13 B 58 mm 113 46 99 mm NM10 stud 4 Connect PE cable 5 Connect AC IN cables to normal power and bypass power 6 Connect AC OUT cables Battery cables connection Warning Make sure that the battery breakers are open OFF prior to running the cables Caution For battery installation and maintenance instructions refer to the battery manufacturer s installation manual Caution Over current protection for the battery circuit is required by code The minimum DC voltage rating of the battery supply over current protection device 1s 500 V Note Over current protection for the battery circuit is required by national wiring rules OPE P 8 Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 o BAT1 BAT2 BAT 1 Feed the battery cables through the grommets 2 Connect battery cables to Bat 1 and Bat 1 3 Connect battery cables to Bat 2 and Bat 2 Note The battery cables can be connected o
15. 9E 001 Top cable entry Top view of top cover Top view of input and output L1 IN L1 OUT L2 IN L2 OUT L3 IN Side view of P busbar 1 Loosen the 8 bolts to remove top cover Note No drilling or cutting should take place over the top of the UPS Drill holes for grommets Re fit the covers and install the grommets Feed the cables through the grommets Connect cables at cable connection points ee m Connect Protective Earth conductor to busbar locations Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 11 Communication cable overview 12 i Terminator External Bypass Static Switch ORDER Maintenance Bypass Panel Relay output m X134A X134B S TEE s c a SU X175 X170 X174 r3 Norm op Earth fault sensor N So T X128 ST 2 Note 1 oc 1 c 2 X129 c S C2 MBP CAN I O board 2 be 0P4533 e ne e X ow aa C1 CO Sa E a dm m xN MER Note 3 wo m al NO i Ka Lamps X172 X176 0 Nd 23 4 7 89 104 12 1 2 34 5 6
16. W External Bypass Static Switch Width 1014 mm Weight 636 kg Serial number The serial number is stated on the type label behind the finishing panel above the display unit Remove finishing panel to see serial number Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 Electrical Installation inciple Typical UPS Wiring Pr iring overview Power w llel systems Iring Overview IN para See separate guide on parallel operation for w Bj a Sadnu 1VO9l315313 1V9O1 ANV IVNOILVN HLIM ATdWOO LSNW NOILVTIVISNI PL SHdHlO Ad QddlAOHd ONITAVI CL SAINGOW 11V NO IVNO3 ag GINOHS SHLONAT ATEVO LINDYIO DA CL S31ndONW 11V NO 1vno3 ag GINOHS LNdLNO ANY LAdNI SHLON31318VO LINDYIO OV LL aaivo9aso9as 38 LSNW ONIYIM TOHLNOO ANY DNIJIM YIMOd OL NOILVNYOANI NOILVTIVISNI AH3LLIV8 33S 6 V ONITAVO OV NOYA GALVOAYOAS aq GINOHS 9NIT8VO 90 8 GO ANY 70 O LO HO SONILLIS H3MV388 AHL YOS AGIND NOILVTIVISNI JHL 338 VM 007 M9 ONILVY GNVLSHLIM SSVdAS OILVLS ANY Sdn SNNY 318VO ALVYEVdAS NI 38 LSNW SYHOLONGNOD LAdLNO ANY LNdNI Sdn Ad NET Z 117 SI ONITAVO YAMOd OV TIV 4 0 O N SLOVINO9 ASVITIXNV ONZ ONZ ANY YAN ISVITIY 39V110A YSGNN OG LIONYZ HLIM HSMV3MH8 LINDYIO 3SVO qQ3qTON diYL OILSNOVIN IVAY3H1 GALVY 90 80 70 SLOVLNOO AYVITIXNV INZ ONZ HLIM 90 LO P SYIHLO A8 GACIAONd S NL AO Z 007X JDYNOS SNIVIN
17. board en ID 1 E s 0P4512 X133A X186 1 2 3 4 5 X133B Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 Relay Boards Location of relay boards e ono ONAT LAD TOTO una efe y 7777067 LL ELL OAC mamm UI III eO PL LO ERO TT LTT ATI ng PE OLE LT oP CL TE DOTT VA III II III A JHD LR o o o o o o Q O o CS LS ES LG Relay boards SS BX S54 Ger coa aaa a Backplane X008A Relay Board 0P4620 Relay Board 0P4620 Fan CAN X008A Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 efe ARTI LEGATO OD KG 13 Relay board 1 connections ci E EI omar TN e ran ran rWlQ ert Lime Rag Output 6 Battery conditon fault Fail safe Battery fault detected by battery monitor Output 7 Maintenance bypass Active on operation omes Tass Wim par rr a uer um CO TN mes smo Mime ff Output 13 Good utility Active on If UPS goes into bypass this relay goes on without delay Output 16 Temperature fault Fail safe Temperature switch active or faulty temperature sensor Input 1 Generator active Input for indicating that a generator 1s active This will be used to reduce the charge power Individual Input for indicating that the ventilation in battery rooms is defect This will be used to reduce the charge power Master will handle signal Mast
18. conductors are combined to one single conductor in the whole system Reference to IEC 60364 4 41 413 1 3 All exposed conductive parts of the installation must be connected to the earthed point of the power system by protective conductors which must be earthed at or near to each relevant transformer or generator Exposed conductive parts that are accessible at the same time must be connected to the same earthing system either individually in groups or collectively Normally the earthed point of the power system is the neutral point If a neutral point 1s not available or accessible a phase conductor must be earthed The phase conductor must not serve as a PEN conductor In fixed installations a single conductor may serve both as a protective conductor and a neutral conductor PEN conductor Reference to IEC 60364 5 54 546 2 3 If from any point in the installation the neutral and protective functions are provided by separate conductors it is inadmissible to connect these conductors to each other from that point At the point of separation separate terminals or bars must be provided for the protective and neutral conductors The PEN conductor must be connected to the terminal or bar intended for the protective conductor Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 23 If there are other effective earth connections the protective conductors must be connected to such points when it is possible It may be necessary to
19. dix C to see serial number Inverter Section The Inverter Sections regulate the UPS output and operates from battery power in the event of mains input loss Control Input Output Section The Control Input Output Section controls and monitors the UPS and contains the input output terminations Z E E gt N HE E E A E T 1067 mm Inverter Section Control Input Output Section Inverter Section Width Width Width 1268 mm 2110 mm 1268 mm Total width of UPS sections 4646 mm Weight Without Power Modules 5301kg With Power Modules 6324 kg Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 External Bypass Static Switch The External Bypass Static Switch External Bypass SSW transfers the load manually or automatically from the UPS to an alternate source without interrupting the supply to the load E E S N 1067 mm 2 M
20. earth at additional points to ensure that the potentials of protective conductors remain as close as possible to that of earth in case of a fault Additional requirements for generating sets IEC 60364 5 55 551 4 2 To be used when the generating set provides a switched alternative to the public supply Protection by automatic disconnection of supply must not rely on the connection to the earthed points of the public supply system when the generator 1s operating as a switched alternative to a TN system A suitable earth electrode must be provided Protective devices in TN systems The following protective devices are recognized in TN systems Overcurrent protective devices Residual current protective devices not to be used in TN C systems When a residual current protective device is used in a TN C S system a PEN conductor must not be used on the load side The connection of the protective conductor to the PEN conductor must be made on the source side of the residual current protective device see below illustration ech r SOURCE M LI LOAD r Z Vv Vu c on dai c un i gt O gt 2 o GU D D I The characteristics of protective devices and the circuit impedances shall be such that if a fault of negligible impedance occurs anywhere in the installation between a phase conductor and a protective conductor or exposed conductive part automatic disconnection of the supply will occur wit
21. er will handle Input for real time clock signal synchronization Master will handle Input from PLC to detect if signal Power Tie is active 14 Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 Master will handle signal Battery room ventilation fault Input 2 Input 3 DC Ground Fault Detection Input 4 Reserved for future use Input 5 Plant clock synchronization Input 6 Power Tie detection Relay board 2 connections et enstanen E n Output 6 Output frequency too Fail safe high low MEE MEE MEE MEE omes Cette ns m ome eme Aem Wm Owen Tee Adm Wi E E ma wm teen Domen Wende Dome Wende I Dome Wende I ent emmer I I r na ane O ION ane O rr ent emmer p rr naa ane O Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 5 16 Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 Specifications Low Impedance High Impedance Earthing The Symmetra MW 1s easily integrated into either a solid grounded system or a high impedance grounded system In a solid grounded system the neutral power source mains generator or UPS is solidly grounded In the event of a down stream ground fault the fault current will have a path back to the source and the over current device feeding the faulted part of the installation will trip and isolate the fault In a high impedance grounded system the source
22. haracteristics TT systems have one point connected directly to ground and all exposed conductive parts of the installation must be connected to an earth electrode This earth electrode 1s independent of the power system earthed point Reference to IEC 60364 4 41 413 1 4 All exposed conductive parts that are protected collectively by the same protective device must be connected to a common earth electrode together with the protective conductors In installations where several protective devices are utilized in series the requirement applies separately to all exposed conductive parts protected by each device The neutral point or if a neutral point does not exist a phase conductor of each generator station or transformer station must be earthed Protective devices in TT systems The following protective devices are recognized in TT systems Overcurrent protective devices Residual current protective devices Overcurrent protective devices are only applicable for protection against indirect contact in TT systems where a low RA value exists see specification below The condition A x7 x50V must be fulfilled In the condition R is the sum of resistance of the earth electrode and the protective conductor for the exposed conductive parts I is the current causing the automatic operation of the protective device When the protective device is a residual current protective device I4 is the rated residual operating current I n Sym
23. hin 5 seconds valid for distribution circuits the following condition fulfilling this requirement y m Z x I lt S Up In the condition Z 1s the impedance of the fault loop comprising the source the live conductor up to the point of the fault and the protective conductor between the point of the fault and the source I is the current causing the automatic operation of the disconnecting protective device within a conventional time not exceeding five seconds Us 1s the nominal AC RMS voltage to earth 24 Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 If a fault occurs close to the UPS before the power distribution while the UPS system is in Battery Operation and Bypass is unavailable the available power is unable to activate the protective device In that situation the Inverter will shut down in five seconds IEC 60364 4 41 413 1 3 5 norm If a residual current protective device is used this device will disconnect the supply The four diagrams show the Symmetra MW installed in four different TN systems e Earthing arrangements and protective conductors Symmetra MW in TN S installation e Earthing arrangements and protective conductors Symmetra MW in TN S installation Legal in DK special cases e Earthing arrangements and protective conductors Symmetra MW in TN C S installation e Earthing arrangements and protective conductors Symmetra MW in TN C installation TT Systems C
24. in the tables below but some of them can also be found in the Electrical Specification section See separate manual on parallel operation for information on required breaker settings in parallel systems Input and upstream breakers 20 Q1 Q5 and any upstream breaker Duration S Current A Total load Event Operation e 2200 127 Overload on line 1972 110 On line Max Battery charge In the absence if a coordination study conducted by a professional engineer the recommended instantaneous trip setting for breakers Q1 Q2 Q4 Q5 and Q6 is 22 kA Only applicable to Q1 Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 Output and downstream breakers Duration S Current A Total load Event Operation 6 3464 200 Overload on line am 2165 125 Overload on line In the absence if a coordination study conducted by a professional engineer the recommended instantaneous trip setting for breakers Q1 Q2 Q4 Q5 and Q6 is 22 kA Only applicable to Q2 and Q4 In the absence of a proper breaker coordination study and if only the actual Ip on the unit s input terminals is known this table must be used to optimize the instantaneous trip setting or to choose a breaker with a usable fixed instantaneous trip value n ox o n Ip Abridgment for Prospective short circuit current This is the current that would flow in the fault circuit is the fuse was replaced by a link with an infini
25. logy Nominal Battery Discharge current based on rated load and nominal Battery voltage Maximum Battery Discharge current based on rated load at end of Discharge Heat dissipation calculated at rated load capacity QU QN ME ame cue This current is at 125 of rated load and is electronically current limited to a maximum of 10 minutes This value is only provided so the engineer can ensure that the selected AC output circuit overcurrent device s time current characteristic will support this condition 8 At 380 V nominal output is reduced from 200 kW to 180 kW in each section Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 19 Torque specifications Torque specifications Bolt Size M8 13 5 Nm Required Breaker Settings 400 V Systems Note Contact APC Application Team for Required Breaker Settings in 380 V and 415 V systems The Symmetra MW is a fault tolerant system capable of handling and surviving overloads and internal external faults The overload performances and fault clearings are possible when the system meets specified minimum requirements for breaker settings A proper breaker coordination study is required to ensure the highest availability of the UPS This breaker coordination study should be performed focusing on maintaining the fault tolerant characteristics of the Symmetra MW The following tables provide the optimum settings for the input and output breakers The settings are specified
26. metra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 25 For discrimination purposes S type residual current protective devices may be used in series with general type residual current protective devices To provide discrimination with S type residual current protective devices an operating time not exceeding second is permitted in distribution circuits When the protective device is an overcurrent protective device it must be either adevice with inverse time characteristics and I4 must be the current causing automatic operation within 5 seconds or adevice with an instantaneous tripping characteristic and Ig must be the minimum current causing instantaneous tripping The following diagram shows a Symmetra MW installed in a TT system e Earthing arrangements and protective conductors Symmetra MW in TT installation IT Systems Characteristics In IT systems the installation is insulated from earth or connected to earth through a sufficiently high impedance Exposed conductive parts are earthed individually in groups or collectively Reference to IEC 60364 4 41 413 1 5 In IT systems the installation must be insulated from earth or connected to earth through a sufficiently high impedance This connection must be made either at the neutral point of the system or at an artificial neutral point The latter may be connected directly to earth if the resulting zero sequence impedance 1s sufficiently high In installati
27. n either side of the busbar Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 External Bypass Static Switch Wiring 10 Warning Before you start the installation verify that all AC and DC power source breakers are in the open position Warning Use only manual reset protection as input over current protection Warning Over current protection required by national wiring rules Warning The UPS has no built in disconnect devices to switch off external AC Q1 and Q5 and DC Q7 and Q8 input power Ensure that the disconnect devices are available as separate components for this installation Caution The External Bypass Static is not provided with built in backfeed protection Use suitable breakers with a minimum of 0 8 1n 20 mm air gap and trip function The breaker is controlled from the External Bypass SSW and will be tripped in case of backfeed Note The installer must provide each external disconnect device for this UPS system with labels displaying the following text Isolate the Uninterruptible Power Supply UPS as instructed in the User Guide before working on the circuit Note The installation of the External Bypass Static Switch must comply with local and national regulations Note Run matched set of phase cables in the same cable run s Do not separate phases into different cable runs Note Use only copper conductors 000 O P PPP Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 197
28. ons where no neutral point exists a phase conductor can be connected to earth through an impedance In case of a single fault to an exposed conductive part or to earth the fault current will be low and disconnection will not be imperative Exposed conductive parts must be earthed individually in groups or collectively and the condition R x1 lt 50V must be fulfilled In the condition R is the resistance of the earth electrode for exposed conductive parts I is the fault current of the first fault of negligible impedance between a phase conductor and an exposed conductive part The Iq value takes the leakage currents and the total earthing impedance of the electrical installation into account In systems where an IT system is used for continuity of supply an insulation monitoring device must be provided to indicate the occurrence of a first fault from a live part to the exposed conductive parts or to the earth It is recommended to eliminate a first fault as soon as possible 26 Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 Depending on whether all exposed conductive parts are interconnected by a protective conductor collectively earthed or are earthed in groups or individually after a first fault the disconnection conditions of the supply for a second fault must be as follows 1 In installations where the exposed conductive parts are earthed in groups or individually the protection conditions for TT systems appl
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30. pyright 2009 American Power Conversion Corporation All rights reserved Reproduction in whole or in part without permission is prohibited APC the APC logo and Symmetra are trademarks of American Power Conversion Corporation All other trademarks product names and corporate names are the property of their respective owners and are used for informational purposes only H IT
31. rruptible Power Supply UPS as instructed in the User Guide before working on the circuit Ob Input Output wiring precautions Warning Only personnel trained in the construction and operation of the equipment and the electrical and mechanical hazards involved must install or remove system components Warning Before you start the installation verify that all AC and DC power source breakers are in the open position Warning Supply the UPS from a 3 x 400 230 V L1 L2 L3 N PE source or a high impedance grounded system Caution All wiring to be in accordance with applicable national and or local electrical wiring rules Note Use only copper conductors Obbb P 6 Symmetra MW Il 1200 kW 3 x 400 230 V Installation 990 1979E 001 AC and PE cable connections Top view of top cover For battery For AC and PE For AC and grommets grommets PE grommets o U TOOT ip dw ofo gt 9 unu au omm li Ml o o T L1 IN L1 OUT L2 IN L2 OUT L3 IN LS QUT 2 ul PEE m a S Pa nace eer DER LII if la AES ES MEN e 2 EL LA 2 SN X X E VV ES ZS 2 S FER SESS SP S Note No drilling or cutting should take place over the top of the UPS Symmetra MW II 1200 kW 3 x 400
32. tely small impedance 22 kA is the maximum peak let through current including safety factor present during clearing of an internal fault in a 200 kW section or a power module This maximum peak let through current 1s based on and applicable to utility with prospective short circuit currents Ip up to 200 kA During or after a controlled fault clearing none of the breakers are allowed to trip on the instantaneous trip setting below the specified value This 1s also applicable to the upstream breakers and a check of the instantaneous trip setting in this part of the installation 1s required The instantaneous trip setting calculated by a professional engineer in a breaker coordination study must not disable the functionality of clearing and surviving an internal fault unless there is a written agreement between APC by Schneider Electric and the customer By ensuring the unit s fault clearing ability survival skills 1 e using the correct instantaneous trip settings in the switch gear installation maximum power availability in normal operation 1s obtained for the critical load Note The instantaneous trip setting can be calculated when utility Ip is known An incorrect trip setting can result in limiting the system functionality and jeopardize the load support Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 21 Note The instantaneous trip setting must not be derated even though the UPS system is derated in system output
33. y Nominal input current note 1 Input Current Limitation note 2 Input Voltage Input Frequency Nominal input current note 1 Input Current Limitation note 2 DC Input 18 DC Input Nominal Voltage note 3 INom Discharge note 4 IMax Discharge note 5 1200 kW kVA I 380 V 50 Hz 1698 A 2133 A 400 V 50 Hz 1793 A 2200 A 415 V 50 Hz 1728 A 2170 A 2x 384 V 1628 A 1929 A Caution Over current protection for the battery circuit is required by code The minimum DC voltage rating of the battery supply over current protection device is 500 V Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 AC Output AC Output Voltage 380 V Current Nom note 8 1641 A Max note 7 2051 A Voltage 400 V Current Nom 1732 A Max note 7 2165 A Voltage 415 V Current Nom 1669 A Max note 7 2087 A AC Input External Bypass SSW The External Bypass SSW is designed to accommodate a continuous overload of 25 AC Input External Bypass SSW External Bypass SSW Max Input Current 100 load 380 V 1641 A 400 V 1732 A 415 V 1669 A Heat dissipation 37 1 kW 126 7 kBTU hr note 6 Notes 1 Nominal Nom Input current based on rated load nominal input voltage and fully charged batteries 2 Current limitation is maximum allowed via electronic current limiting and 1s based on full battery recharge nominal load and 10 input voltage Nominal battery voltage assumed to be 2 0 volts cell lead techno
34. y see 413 1 4 1 2 In installations where the exposed conductive parts interconnected by a protective conductor collectively earthed the conditions for TN systems apply In installations where the neutral 1s not distributed the following conditions must be fulfilled 3 x Ug dE os In installations where the neutral is distributed the following conditions must be fulfilled Uo Z lt 3 2x1 In the condition Us is the nominal AC RMS voltage between phase and neutral Z is the impedance of the fault loop comprising the phase conductor and the protective conductor of the circuit Z is the impedance of the fault loop comprising the neutral conductor and the protective conductor of the circuit I is the operating current of the protective device The disconnecting time is 5 seconds distribution circuits Protective devices in IT systems The following protective devices are recognized in IT systems nsulation monitoring devices Overcurrent protective devices Residual current protective devices The following diagram shows a Symmetra MW installed in a IT system e Earthing arrangements and protective conductors Symmetra MW in IT installation Symmetra MW II 1200 kW 3 x 400 230 V Installation 990 1979E 001 27 Do Z Aeneg Menga I
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