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Emerson 10-30KVA Power Supply User Manual

1. oe 9 fo 1600 V Qa Detail A Rear of unit shown without side panel Air intake area Do not block air filter Adjustable Stops see Note 11 FRONT VIEW LEFT SIDE VIEW 1 All dimensions are in millimeters A minimum of 24 inches clearance above the unit is required for air exhaust 3 Installation and service access required Left side access recommended for maximum ease of installation 4 Keep cabinet within 15 degrees of vertical while handling 5 Top and bottom cable entry available through removal access plates Remove punch to suit conduit size and replace 6 Unit bottom is structurally adequate for forklift handling 7 Open door to replace air filter washable type size 354x314 8 Threaded mounting holes used for seismic anchoring or floor stand Note If a floor stand is used the weight of the unit must be supported under all casters 9 Each mounting location is supported by two 10 GA 135 galvanized steel The threaded 12mm insert 13 approximately 3 4 deep Mounting bolts must be threaded into unit 10 Includes side panel Refer to Detail A for dimension to frame with side panel removed Side panels are removed between adjacent units that are bolted together 11 Adjustable stops are not designed to carry the full weight of the cabinet Finger tighten stop against the floor then tighten with a wrench less than two turns for friction against t
2. 2 4s ocd eet 22 Redde Ra EU 46 Figure 34 Battery cabinet 1 47 Figure 35 Maintenance Bypass interconnection 48 Figure 36 NX 1 1 parallel cabinet Interconnections 49 Figure 37 Lineup detail SlimLine distribution cabinet to 50 Figure 38 Lineup detail 1 N A connection to NX 51 Figure 39 Lineup detail 1 N Type Al connection to NX 52 Figure 40 Lineup detail 1 N connection to NX 53 Figure 41 Lineup detail 1 N Type B1 connection to NX 54 Figure 42 Lineup detail 1 N C connection to NX 55 Figure 43 Lineup detail 1 N Type C1 connection to NX 56 Figure 44 Lineup detail 1 N D connection to NX 57 Figure 45 Slimline locations eerte i eR Ee Pa Rehd at e tex UN RS e ege ARES GD A RAR BS 58 iii Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 18 Table 14 Table 15 Table 16 Table 17 Table 18 Table 19 Table 20 Table 21 Table
3. QUPS o QByp To Load Options 5 3 7 Emergency Power Off EPO The external emergency stop facility is identical to that described for the single unit installation that an individual emergency stop button 1s provided for each unit Figure 26 Connecting EPO push button X2 3 2 4 Monitor Board Normally Open EPO X2 1 X2 2 Monitor Board Normally Closed EPO 35 5 4 Options Battery Circuit Breaker Box The box contains the same battery isolating circuit breaker as mounted in the battery cabinet Two battery circuit breaker boxes are available for use installations where the battery is not installed in the battery cabinet in which case the appropriate battery box is fitted as close as possible to the battery and connected to the UPS equipment as illustrated in Figure 27 The battery circuit breaker box is required to protect the battery from overcurrents It also provides electrical isolation between the UPS and the battery permitting technical service personnel to reduce the risks involved in maintenance work to a minimum A separate safety earth must be connected between the UPS unit and circuit breaker box Two boxes are available depending on the UPS power rating Table 7 Available battery circuit breaker boxes Dimensions in H W D Circuit Breaker 10 15 32 25x20 25x8 3 20 30 kVA 32 25x20 25x8 3 125A The circuit breaker has the following features Sho
4. 1 4 1 4 1 4 1 4 1 4 1 4 1 4 1 4 1 4 Table 33 Battery cabinet physical characteristics Battery Cabinet Dimensions Net Weight Without Type WxDxH in Batteries 27 2 31 4 63 551 Short Narrow 690 825 1600 250 58 5x31 4x63 889 Short Wide 1488x825x1600 400 Table 34 Maintenance Bypass Cabinet weights Maintenance Bypass Cabinet Style kg rating a e t n r 408 545 675 602 732 630 403 540 670 597 728 630 185 247 306 273 332 286 183 245 304 271 330 286 15kVA 408 567 728 659 822 680 403 562 723 655 818 680 185 257 330 299 373 308 183 255 328 297 371 308 20kVA 408 646 842 739 935 750 403 642 838 134 930 750 185 293 382 335 424 340 183 291 380 333 422 340 30kVA 408 694 893 807 1027 840 403 690 888 802 1023 840 185 315 405 366 466 381 183 313 403 364 464 381 69 Table 35 Maintenance bypass cabinet dimensions Umi Wisin Depth Height 8 2 mm e 825 1600 Table 36 Multi module paralleling cabinet dimensions iM Gabinet Type Width Depth Height tN Cabinet Type Width Depth Height Cable Lengths Floor to Connection Point Inside UPS Specifications and Technical Data To help calculate the t
5. 17 2 9 9 D put ODUODdl cauti i eter ue dde Re bue 17 3 0 BATTERY INSTALLATION Ec ruo eke orev a a 19 3 1 I dom aoe Sd te Ae ae 19 9 2 19 3 3 bL D 19 3 4 3 0 4 0 4 1 4 2 4 3 4 4 4 5 4 6 4 7 5 0 5 1 5 2 5 3 5 4 6 0 6 1 6 2 6 3 6 4 External Battery Cabinet Installation 20 Matchine battery da ow Alay Gd eb Odd Da 20 Sie Connecting the Datte ri63 ias 23d av wer da bug ews ead kde eRe 20 90 Installation 152 5 eu de Oe aie ree sumy usuka huy eds 22 3 4 4 Connecting the Battery Cabinet to the UPS 24 Nons tandard Datterl s m Sara qe eod doo ha RS De re dU di Ene Coat oe UG ae Se eS 24 MAINTENANCE BYPASS CABINET eere hh hn 25 usco rat don oe Orat deir rc dedico dde d Re eto ae Des buka eed 25 Normal CUPS OER AR a doge RC ARE RRO Sua QO aes 25 DVO SS Mode kes Gnd hee art Ech e oe dedit cd SP Robo 26 Maintenance MOC v 246 48 ae eae ACC ARCH ZA OR 26 TOCA LING UMC OAD Ete nota Subuh eae cau ka 26 Cable lista lation aded endo a sia ae Babee dea p gener ee a ac ee
6. 8 Connect the system outnput cables between the Maintenance Bypass Cabinet UPS Output Busbars A B C N terminals and UPS output busbars A B C N terminals and tighten the connections to 44 lb in 6 N m M6 bolt 9 Connect supplied control wire to X3 on the Parallel M3 board see Figure 20 WARNING The control wire must be installed to ensure proper operation of the system and fully protect the load when switching between bypass cabinet and UPS Figure 20 Maintenance bypass control wire location SE VW x LM WIX wv Terminal Block Location Bw NOTE For startup procedure see the UPS operations and maintenance manual SL 25210 28 Maintenance Bypass Cabinet 47 Bolting Cabinets Together NOTE UPS wiring must be completed before the cabinets are bolted together 1 Line up cabinets so that mounting holes are aligned SEE DETAIL SCALE 1 2 l DETAIL A SCALE 1 2 SEE DETAIL D pera D SCALE 1 2 DAL SCALE 1 2 SEE DETAIL Place cabinets so mounting holes are aligned A bolt from the adjacent cabinet may be screwed into the threaded top hole or a bolt may be inserted through the lower hole and screwed into the threaded hole in the adjacent cabinet 2 Using supplied hardware bolt the cabinets together The bolts may be inserted from either the UPS side or from the MBS side whichever is more conv
7. AC Power For Business Critical Continuity Liebert NX UPS Installation Manual 10 30kVA 208V 60Hz e amp Liebert EMERSON Network Power TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS o ER EUR EXER 1 GLOSSARY OF SYMBOLS 25 ea hee ee eee hare Ca RUE Naa UO Guia papua ee 3 TO INSTALLATION ee hated eid ead 4 1 1 bxternabInspeet IODS arate gh Ate a Daqu Quy ymi an 4 1 2 Internal Ins CC LIONS e aes Syste detects ch oed fo aped d 4 1 21 Storms tor Delayed Installation em eerste Ge s Sap Rd uu 5 1 3 Preliminary Check 45s a heehee us ARG s Sas bu Seo E Qa ami 5 Lor 5 lt lt sae DE E E WE DE bx bade ee we ES dede d di bulaq sua 5 1 4 um E ore ans ded M ded ed 5 TAL Positionine the UPS x ate ee D ee doba 5 1 42 Environmental Considerations zx 3 ex u Du ea een doe wes eL ee ee ee P E 5 1 4 3 Special Considerations for 1 N Systems 6 1 5 Considerations in Moving the NX 6 1 6 Mechanical ConslIderat lODS e sasawa h a D dede Or Et de e aa SQ XT ob uet o 6 SCIearangess yw stove xe Suede ilaque hci mat Sa UL d
8. Figure 2 Single module block diagram dual input configuration 10 I3Sure o Input d ER au ss eee acid ur IRS eee kaa 11 Figure 4 Battery fuses and 8 11 Figure 5 Ground and neutral busbar connectionS 12 Eisure 6 JMoniorboard UZ 2214523 7 14 Figure 7 Auxiliary terminal block detail Monitoring Board 15 Fieres Jnput cf contacts iu oo td arde suu sna dd 15 Figure9 Jumper connection for interface 16 Figure 10 Output dry contacts and EPO wiring for firmware before 170 17 Figure 11 EPO wiring for firmware M200 or later 18 Figure 12 Battery 4 11 ce ees 20 Figure 13 Narrow battery cabinet 27 in 690mm rear vIeW 21 Figure 14 Wide battery cabinet 57 in 1488mm front view 21 Figure 15 Internal cable wiring from battery cabinet to Liebert 23 Figure 416 Battery tray and SUppOrts uiae Pete aoe ukhu 23 Figure 17 Single UPS with external Maintenance Bypass Cabinet typical configuration 25 Figure 18
9. LOZ bok sad a T AAD IVs cru EE nien EE he E E E S E TE A T Lud OPOE A eea e A E 8 2 0 ELECTRICAL CONNECTIONS t cs CR E Epod eR 9 2 1 Power ADIP aus ecd desde des Sty d del ac epi ed deae tarn 9 ZA Cable Sea ied aed dod 9 Zak XJPednputGConigifatlolle s21 2552 97223 aed Tuta eq dcr bie one ied ghe Chana o 10 2 1 2 Cabine MES ow uq pe ke eoe pt debout a ee e oe Sasa dur ded abu 10 Zee MOOI OUO COM S iu sane Sn d PI PAS Ne pa we Dad a E n eds ie 11 Zo OUI Gece ack CT EET TET TIL ETT EID 12 ALO Protective Devices 12 2 5 Cabins PrOCedUufe ss sca oe cs Bos De ae oe ao a Ty A eo ao 13 2 2 ADEs Anca diet ace boite baa tec deut E Suma der 14 2 2 3 Monitor Doara Beabtules sac s bouem a dor x aen arte e dem Gel dro xA ea E aei a eiu aa 14 2 3 Ius CONUACUS we pen Ctt e m De Ep 8D eure bus done weds bas b qa a 15 Zon a gate Dun wafer de bon al E ete Sa ee ee uuu 15 2 3 2 Maintenance Bypass Cabinet Interface 16 2 95 90 DUB Box Inbtertate sca SE ALME CEST RES EAS TASB Ex 16 2 04L IE Contacts aso m Saoudite nud ds ied ee ee
10. Size Type i Current Rating A CB Size A P xe oe ous x9 oos 0 08S 20 208 208 222 300 eraot 70 9 15 480 250 208 333 500 wj 6 2 r 19 208 421 500 208 333 500 67 Specifications and Technical Data Table 32 Maintenance bypass cabinet lug sizes Input Maximum Recommended Lug Lug T amp B Lug T amp B Bolt Size One Hole 54000 One Hole REDDY Unit Nominal System Rating Input Voltage 30 600 6M 1 4 54105 62204 30 480 6M 1 4 54106 62204 30 240 6M 1 4 54152 62205 30 220 6M 1 4 54152 62205 30 208 6M 1 4 54152 62205 20 600 6M 1 4 NA 62204 20 480 6M 1 4 54130 62204 20 240 6M 1 4 54107 62204 20 220 6M 1 4 54107 62204 20 208 6M 1 4 54107 62204 15 600 6M 1 4 NA 62204 15 480 6M 1 4 NA 62204 15 240 6M 1 4 54106 62204 15 220 6M 1 4 54106 62204 15 208 6M 1 4 54106 62204 10 600 6M 1 4 NA 62204 10 480 6M 1 4 NA 62204 10 240 6M 1 4 54130 62204 10 220 6M 1 4 54130 62204 10 208 6M 1 4 54130 62204 68 Specifications and Technical Data Table 32 Maintenance bypass cabinet lug sizes continued Output Maximum Recommended Lug Unit Nominal System Rating Output Voltage Bolt Size One Hole 54000 One Hole REDDY T eM 2 e OMI 5 2 eM 2 goo eM 0 2 OMI oT 20 ae
11. s Ext Byp N ABC Y Bypass Switch Normal UPS Mode While the Maintenance Bypass Cabinet rotary switch is in the NORMAL position the UPS is supply ing the connected load with continuous high quality AC power In this mode of operation the load is protected by the UPS 25 The Bypass Switch allows easy and rapid transfer of connected loads between the UPS and Bypass 4 3 4 4 4 5 4 6 4 6 1 Maintenance Bypass Cabinet Bypass Mode When the Maintenance Bypass Cabinet is in the Bypass mode it provides an alternate path for power to the connected equipment Should the UPS need to be taken out of service for limited maintenance or repair manual activation of the bypass will cause an immediate transfer of the equipment from the UPS inverter to the bypass source In this mode power will still be supplied to the UPS however the load is NOT protected by the UPS Maintenance Mode When the maintenance bypass cabinet is in the Maintenance mode it provides an alternate path for power to the connected equipment Should the UPS need to be taken out of service for limited mainte nance or repair In this mode of operation no power is supplied to the UPS and the load is NOT pro tected by the UPS Locating the Cabinet This Maintenance Bypass Cabinet may be mounted to the left of the UPS or installed as a stand alone unit In either case ensure that the unit is in a well ventilated area and that there 15 clearance
12. 22 Table 23 Table 24 Table 25 Table 26 Table 27 Table 28 Table 29 Table 30 Table 31 Table 32 Table 33 Table 34 Table 35 Table 36 Table 37 TABLES L put dry COMLACTS ke erac BA ee alee bw Roe 8 io os SS dee 15 Maintenance bypass cabinet 1 16 ON TIC ACC a tae ese ah T sak iu kun SHO 16 Ol Gry CONIACl TEIN Seas u au ca aereas a usuku S es 17 put contact palyyay u yuxu h S cd a 17 qct reli 9S cmq etos doa o ER tach eee Peed OL 18 Available battery circuit breaker 36 Environmental Characteristics zu s s X ex a SO Esch RUE NUES RR UE 38 Mechanical characteristics eraciren eieaa e E E e ees 38 UPS terminals esos vo MEAS Ed dre LN CE ee saa 39 Approved 40 Rectifier inpat de ee dou e edge EE En 40 DC Intermediate uos s eate d d den oot ee dumque ud AME S SE 40 LH verter output uy su Duis ENS ee nd or 1 RR das M e te ies d e ERE D ed ade e re Bek 41 up Ipu NOMEN SERE ee be su m A ack 41 Liebert supplied interconnect wiring 47 Liebert supplied interconnect wiring
13. Electrical Connections Figure 7 Auxiliary terminal block detail Monitoring Board PWR MODEM J15 H SNMP CARD X5 J16 Inielisiot2 E J13 421 425 J28 J26 430 J10 Intellislot 1 J24 m pa d Intellislot 3 P BFP INV ACF _ EPO NOTE The black square X1 X2 on each slot indicates Pin 1 2 3 Dry Contacts The UPS provides input dry contacts and output dry contacts 2 3 1 Input Dry Contacts There are several input dry contacts at the slot Figure 8 Input dry contacts wu ree YS A NOTE The black square W on each slot indicates Pin 1 Table 1 Input dry contacts at X3 Position Name Description _ Battery Room Alarm N C Battery Ground Fault Detection N C Generator Join Detection N O 1 Must be configured by configuration software before becoming active 2 When activated the charger current can be limited via software to a percentage of the full charger current 0 100945 3 Activating this feature turns the battery charger off 15 2 3 2 2 3 3 Maintenance Bypass Cabinet Interface J26 and J30 are the MBC interface Table 2 Maintenance bypass cabinet interface Position Name Description _ 1 Must be configured by software before becoming active Electrical Connections NOTE All auxiliary cables of te
14. Maintenance Bypass Cabinet access plate removed 26 Figure 19 Maintenance Bypass Cabinet wiring access pane 27 Figure 20 Maintenance bypass control wire location 28 Figure 21 Load Bus Synchronization cable 30 Lipure22 IN system blockedIappam 2 5o awd ebb beet 31 Figure 23 Connecting 1 N system parallel control cables 33 Figure 24 Auxiliary dry contact cables for output breaker in multi module system 34 Figure 25 Dry contacts multiple UPS modules with distribution panel 34 26 Connectine 21 gw the beara tae SNe alee ek ow 35 Figure 27 Battery circuit breaker box connections 37 Figure 28 Dimensional view front and left side views 42 Figure 29 Dimensions continued top and bottom 43 Figure 30 Main components typical ee RR eee eee eens 43 Figure 31 Cable connec paka d has etm ee dee a ds 44 Figure 32 Location of internal 5 45 Figure
15. The UPS has an Emergency Power Off EPO function that operates by a button on the control panel or by a remote contact provided by the user The EPO button is under a hinged clear plastic shield The X2 slot shown in Figure 10 is the remote EPO input interface It 1s active when shorted from EPO L to EPO H If an external Emergency Stop facility is required it is connected terminals EPO L to EPO H of the auxiliary terminal block X2 It also 1 connected to the Normally Open remote stop switch between these two terminals using shielded cable see Figure 10 and Table 5 If this function is not used terminals EPO L to EPO H must be opened Table 5 EPO input contact relays Position Description J28 2 EPO L Emergency Power Off Low J28 4 EPO_H Emergency Power Off High NOTE The Emergency Stop action within the UPS shuts down the rectifier inverter and static bypass It does not internally disconnect the input power supply To disconnect ALL power to the UPS open the upstream feeder breaker s when the remote EPO 15 activated 17 Electrical Connections Firmware M200 or Later The UPS has an Emergency Power Off EPO function operated by a button on the control panel or by a remote contact provided by the user The EPO button is under a hinged clear plastic shield The X2 slot shown in Figure 11 1s the remote EPO input interface The EPO has a NO NC contact point becomes active when shorting terminals X2 3 and 4
16. UPS Rectifier and Bypass Input Supply Protection from excessive overcurrents and short circuits in power supply input External overcurrent protection for the AC output circuit 1s to be provided See 6 4 UPS Elec trical Characteristics and Table 12 for overload capacity High speed fuses and SCRs are used for internal battery circuit overcurrent protection When an external battery supply is used overcurrent protection for the battery circuit is to be provided by the customer Dual Input When wiring the UPS with dual inputs the Rectifier input and the Bypass input must be pro tected separately Size the breakers according to the input currents shown in Table 10 System Output When using an external distribution panel for load distribution the output neutral and input neutral must be separated at the input to the UPS 12 Electrical Connections 2 1 7 Cabling Procedure AN CAUTION The operations described in this section must be performed by authorized electricians or qualified technical personnel If you have any difficulties contact your local Liebert representative or Liebert Global Services NOTE Hydraulic pressure pliers combinative tools and piston ring pliers should be used to connect AC wiring Once the equipment has been positioned and secured for operation and the battery and ground lars have been connected see 2 1 4 Cable Connections connect the power cables as described below Study the refer
17. additional details Table 19 Liebert supplied interconnect wiring SlimLine distribution cabinet to NX Conductors Distribution Cabinet Load AC Connection Isolated Ground MX Neutral Distribution Cabinet Load AC Connection Distribution Cabinet 2 Ground C Distribution Cabinet Load AC Connection Distribution Cabinet 50 Installation Drawings Figure 38 Lineup detail 1 N Type A connection to NX Ce 1 2 ooooooo 1 Parallel front view without front door and panel 1 All Liebert supplied cable must be repositioned prior to and while setting the cabinets in their installed location 2 Allinterconnection cables and hardware supplied by others 3 AC connections must be made to the UPS modules before attaching paralleling cabinet to UPS modules 4 The interconnecting output cables between the paralleling cabinet and the UPSes must be the same size and the same length 5 Thelocation of the system output neutral busbar connection K and the ground busbar connections H and J are shown for a left access style For right access version these busbars are at opposite locations 6 Refer to the individual drawing of each piece of equipment for additional details Table 20 Interconnect wiring 1 N Type A connection to NX CONDUCTORS MEM T E E NEM 14 UPS 1 UPS 4 S Output Breaker Aux Contact 51 Installation Drawings Figure 39
18. and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co 2006 Emerson Electric Co
19. charges may exist within the UPS All power and control wiring should be installed by a qualified electrician All power and control wiring must comply with the NEC and applicable local codes ONLY qualified service personnel should perform maintenance on the UPS system When performing maintenance with any part of the equipment under power service personnel and test equipment should be standing on rubber mats The service personnel should wear insulating shoes for isolation from direct contact with the floor earth ground Never work alone even if all power is removed from the equipment A second person should be standing by to assist and summon help in case an accident should occur CAUTION This unit complies with the limits for a Class A digital device pursuant to Part 15 Subpart J of the FCC rules These limits provide reasonable protection against harmful interference in a commercial environment This unit generates uses and radiates radio frequency energy and if not installed and used in accordance with this instruction manual may cause harmful interference to radio communications This unit is not designed for use in a residential area Operation of this unit in a residential area may cause harmful interference that the user must correct at his own expense Battery Cabinet Precautions The following warning applies to all battery cabinets supplied with UPS systems Additional warn ings and cautions applicable to battery cabinet
20. circuit breaker battery temperature sensor communicate with a personal computer or provide alarm signaling to external devices or for Remote Emergency Power Off REPO The monitor board arranged for this purpose is located on the rear of the operator access door The main features are Input and Output dry contacts signal one pair of contacts of relay Emergency Power Off control Environmental parameter input interface User communication for data setting and user background monitor ntellislot M interface Modem interface Temperature detect interface Figure 6 shows the relationship and connection between the monitoring U2 board and other boards in the UPS Figure6 Monitor board U2 U SP Contr M5 N u x puer Le ser Interfe Board 14
21. connections listed below on the parallel logic board 8 inside the NX See Figure 30 for the location of the parallel logic board Shielded and double insulated control cables available in lengths of up to 100 feet 30m must be interconnected in a ring configuration between UPS modules as shown below The ring configuration ensures high reliability of the control refer to Figure 23 See Figure 25 for dry contacts control cable wiring diagram Figure 23 Connecting 1 N system parallel control cables D PS 4 Parallel Board Parallel Board X4 X2 2 X2 1 Interconnecting Cables N Auxiliary Dry Contact Cables The external output breaker of each UPS must have Normally Open auxiliary contacts These con tacts must be wired to connector on the Parallel Logic Board See Figure 24 33 Appendix Figure 24 Auxiliary dry contact cables for output breaker in multi module system CAUTION The auxiliary control wire must be installed to ensure proper operation of the system NOTE For startup procedure see the UPS operations and maintenance manual SL 25210 Figure 25 Dry contacts multiple UPS modules with distribution panel Input Distribution UPS M3 Board M3 Board M3 Board X3 X3 X3 Ext Maint Ext Out Ext Maint Ext Out Ext Maint Ext Out Q1Ext Q2Ext QnExt
22. for access to the switches and cable connections as required by national and local codes Cable Installation Wiring Preparation Be sure that the unit is not connected to any AC utility power source or UPS before installing any wir ing to this unit This Maintenance Bypass Cabinet should be installed by a qualified certified electri clan WARNING Please read this section thoroughly before attempting to install wiring to this unit Removing the Cover Plates Plates cover the input and output terminals on the front of the Maintenance Bypass Cabinet see Figure 18 Remove these and keep the screws and plates for reinstallation Figure 18 Maintenance Bypass Cabinet access plate removed ill Extract screws 0 from corners to remove the access plate 26 Maintenance Bypass Cabinet 4 6 2 Power Cable Installation Refer to Tables 29 30 and 32 when selecting cables NOTE Transient and steady state earth leakage currents may occur when starting the equipment This should be taken into account when selecting ground current detection devices because these will carry the earth leakage currents of both the UPS equipment and the load 46 3 Input Output Wiring Follow the steps below to connect the input wiring NOTE Input wiring must be installed using conduit if cabinet is not mounted to the immediate left of the UPS 1 Locate the input wiring access top or bottom access remove the conduit landing plate and p
23. for Maintenance Bypass Cabinet 48 Liebert supplied interconnect wiring e 49 Liebert supplied interconnect wiring SlimLine distribution cabinet to 50 Interconnect wiring 1 N Type A connection to NX 51 Interconnect wiring 1 N Type Al connection to NX 52 Interconnect wiring 1 N B connection to NX 53 Interconnect wiring 1 N Type B1 connection to NX 54 Interconnect wiring 1 N C connection to NX 55 Interconnect wiring 1 N Type connection to NX 56 Interconnect wiring 1 N D connection to 57 SPeCIMCATIONS au s bayu oe Bae SUE eft dace ede tao et Aa ados 59 patterns torque ratno ives cus ee D RN VE awe Re eee S LIN 59 Maintenance bypass cabinet electrical data single I Input 60 Maintenance bypass cabinet electrical data dual input 61 Multi module bypass cabinet electrical data 62 Maintenance bypass cabinet lug 17 cueu eea RR 68 Maintenance Bypass Cabinet weights 0 ee rh 69 Battery cabinet p
24. lb in 6 N m M6 Bolt Do not close the battery circuit breaker before the equipment has been commissioned 7 Connect supplied auxiliary control cable to pins J10 2 and J10 3 on the U2 monitoring board see 2 3 Dry Contacts Add a jumper wire between J10 3 and 410 4 Non Standard Batteries When batteries other than a matching battery cabinet are used a remote battery disconnect switch with overcurrent protection is required per the National Electrical Code Contact your local Liebert sales representative about this option Install battery racks cabinets and batteries in accordance with the manufacturer s instructions Verify that the battery area has adequate ventilation and battery operating temperature complies with the manufacturer s specifications and with all applicable national and local codes If you have any questions concerning batteries battery racks or accessories contact Liebert Global Services at 1 800 543 2378 24 4 0 MAINTENANCE BYPASS CABINET Maintenance Bypass Cabinet The Maintenance Bypass Cabinet is designed to operate in UPS mode bypass mode and maintenance mode The mode is selected using the Bypass Switch Figure 17 Single UPS with external Maintenance Bypass Cabinet typical configuration 4 1 4 2 N Input Mains Supply A B C UPS 1 CB Rectifier Static Switch Fuse Battery 1 pe
25. mA and is less than 1000 mA Transient and steady state ground leakage currents which may occur when starting the equipment should be taken into account when selecting instantaneous residual current circuit breakers RCCBs or residual current devices RCDs RCCBs must be selected sensitive to DC unidirectional pulses Class A and insensitive to transient current pulses Note also that the ground leakage currents of the load will be carried by this RCCB or RCD WARNING Under typical operation and with all UPS doors closed only normal safety precautions are necessary The area around the UPS system should be kept free of puddles of water excess moisture and debris Special safety precautions are required for procedures involving handling installation and maintenance of the UPS system and the battery Observe all safety precautions in this manual before handling or installing the UPS system Observe all precautions in the Operation and Maintenance Manual before as well as during performance of all maintenance procedures Observe all battery safety precautions before working on or near the battery This equipment contains several circuits that are energized with high voltage Only test equipment designed for troubleshooting should be used This is particularly true for oscilloscopes Always check with an AC and DC voltmeter to ensure safety before making contact or using tools Even when the power is turned Off dangerously high electric
26. or open terminal connection X2 2 and 1 If an external Emergency Stop facility is required it is connected terminals X2 1 amp 2 or X2 3 and 4 of the auxiliary terminal block X2 It also is connected to the Normally Open or Normally Closed remote stop switch between these two terminals using shielded cable see Figure 11 and Table 6 If this function is not used terminals X2 3 and 4 must be opened and X2 1 and 2 must be closed Figure 11 EPO wiring for firmware M200 or later Table 6 EPO NO EPO NC EPO input contact relays Position Description J28 1 NC EPO Activated when opened J28 2 2282 NC EPO Activated when opened 28 1 28 2 28 3 EPO Activated when shorted to J28 4 28 4 NO EPO Activated when shorted to J28 3 DD Q NOTE The Emergency Stop action within the UPS shuts down the rectifier inverter and static bypass It does not internally disconnect the input power supply To disconnect ALL power to the UPS open the upstream feeder breaker s when the remote EPO is activated NOTE Normally Closed EPO X2 1 2 these terminals are supplied factory linked on the monitor board and must remain installed if using NC contacts NOTE All auxiliary cables of terminal must be double insulated Wire should be 20 16AWG stranded for maximum runs between 82 and 164 feet 25 50m respectively 18 Battery Installation 3 0 BATTERY INSTALLATION
27. rather than step by step installation instructions YN WARNING Do not apply electrical power to the UPS equipment before the arrival of the commissioning engineer YN WARNING The UPS equipment should be installed by a qualified engineer in accordance with the information contained in this section YN WARNING Special care should be taken when working with the batteries associated with this equipment When connected together the nominal battery voltage is 288VDC and is potentially lethal Eye protection should be worn to prevent injury from accidental electrical arcs Remove rings watches and all metal objects Only use tools with insulated handles Wear rubber gloves If a battery leaks electrolyte or is otherwise physically damaged it must be replaced stored in a container resistant to sulfuric acid and disposed of 1n accordance with local regulations If electrolyte comes into contact with skin the affected area should be washed immediately with large amounts of water NOTE The NX UPS can be used in TN utility system External Inspections 1 While the UPS system is still on the truck inspect the equipment and shipping container s for any signs of damage or mishandling Do not attempt to install the system if damage is apparent If any damage 1s noted file a damage claim with the shipping agency within 24 hours and contact Liebert Global Services at 1 800 LIEBERT to inform them of the damage claim and the condit
28. screw in connector at slips into slot at top corner corner of battery tray of battery compartment 23 Battery Installation 3 4 4 Connecting the Battery Cabinet to the UPS 3 5 After the battery cabinet equipment has been positioned and secured for operation and the batteries have been connected connect the power cables as described below See Figure 34 1 Verify that all incoming high and low voltage power circuits are de energized and locked out or tagged out before installing cables or making any electrical connections 2 Remove the UPS left side panel to gain access to the equipment ground busbar 3 Remove the external battery terminal block plate on the lower left side of the UPS behind the front door 4 Remove the battery cabinet front panel to gain access to the connection bars 5 Connect the safety ground and any necessary bonding ground cables to the copper ground busbar example UPS located on the bottom of the equipment below the power connections All cabinets in the UPS system must be connected to the user s ground connection NOTE The grounding and neutral bonding arrangement must be in accordance with the National Electrical Code and all applicable local codes 6 Connect the system battery cables from the UPS battery terminals N to battery cabinet N as shown in Figure 34 Be sure that the battery connections are made with the right polarity and tighten the connections to 44
29. 0 110 110 125 8M 5 16 54153 62212 39 UPS Specifications 6 4 1 Battery Manufacturers and Models Either of two manufacturers batteries will be installed in the NX 10 80 208V as shipped Below are the battery makers and the models they supply Table 11 Approved batteries Battery Manufacturer Models Supplied NPX 80FR NPX 100FR NPX 150FR C amp D Dynasty UPS12 100MR UPS12 140MR ae 6 4 2 Input Rectifier Table 12 Rectifier input power pn Less than 496 at full rated UPS output load Notes 1 Overload capacity of input current 100 Imax lt 1 lt 125 Imax 10 min 125 Imax lt 1 lt 150 Imax 1 min gt 150 Limits input current immediately 6 4 3 DC Intermediate Circuit Table 13 DC intermediate circuit Rated Power 10kVA 15 20kVA Number of batteries is 24 jars 12V jar 144 cells 2V Recommended number of lead acid batteries cell for VRLA The unit is shipped with nominal voltage of 288VDC Recommended float charge voltage 2 27VDC Recommended boost charge voltage 2 3VDC Recommended end of discharge voltage 1 65 1 8 VDC Maximum boost charge duration min 1440 Boost float threshold current A 0 1 C default 3 Temperature voltage compensation mV C Set by configuration software and based on usage of VLRA batteries 40 UPS Specifications 6 4 4 Inverter Output Table 14 Inverter output ave
30. 3 1 3 2 3 3 Introduction Liebert recommends that the batteries in external cabinets match the internal batteries in the NX in manufacturer and type If using multiple sets of batteries connected in parallel to provide the required battery backup run times fit each set with an isolating device to permit working on one of the battery sets while leaving the others in service and providing backup protection When replacing batteries replace with the same manufacturer and type or equivalent See your Lie bert representative for a list approve batteries NOTE The NX as shipped has 24 12 volt batteries installed internally in each unit Safety Special care should be taken when working with the batteries associated with the NX system equip ment When all batteries are connected together the battery terminal voltage may exceed 324V and is POTENTIALLY LETHAL YN WARNING The NX s internal batteries are connected and energized even if the UPS is turned Off To minimize the risk of injury a qualified service person should disconnect internal batteries before any maintenance is performed on the unit The center of the battery is connected to the neutral of the UPS and is grounded A battery can present a risk of electrical shock and high short circuit current The following precautions should be observed when working on batteries Remove watches rings and other metal objects Use tools with insulated handles Wear rubbe
31. Bypass I P Voltage Max Input Input OCP Input Input OCP Voltage Nominal O P Output OCP Current Size A Current Size A Current Rating A CB Size A ee ee j NE NEM 4o eco m we p go ze 4 o amp 5 me 9 ofer 5 1 m 9 m w w s 5 Table31 Multi module bypass cabinet electrical data Nominal O P Output OCP Current Rating A CB Size A cm wi sm xe 8 Ws so 4m 4 WA ms 5 30 amp o 3 9 5 emon 20 zm 6 ms 5 7 emoa 20 ms 5 7 i ze 9 4 9 em om s zo s 8A me 4 9 m 4 9 amp o me 4 9 i ze 35 ms 2 4 em om o 220 SA ms 4 4 16 934 4 emon o amp o 12 ZA me 4 62 Specifications and Technical Data Table 31 Multi module bypass cabinet electrical data continued System Nominal O P Output OCP Size Type kVA i Current Rating A CB Size A 0 Lom m Lom ES E SRO W00 63 Specifications and Technical Data Table 31 Multi module bypass cabinet electrical data continued System Nominal O P Ou
32. E M N 5 All cabling will be field supplied when maintenance bypass transformer cabinet is configured as stand alone cabinet 6 Maintenance bypass transformer cabinets must attach to the left side only 7 Refer to the individual drawing of each piece of equipment for additional details Table 17 Liebert supplied interconnect wiring for Maintenance Bypass Cabinet Ra Fem T Cs _ 8 Unity ACsouce Maintenance Neutral bypass transformer cabinet _ D Maintenance UPS modue AC input PABC UPSInput UPS module AC ouput Maintenance PRABO UPSOup E unity AC source Al ground connections eoa 48 Installation Drawings Figure 36 NX 1 1 parallel cabinet interconnections 1 1 Parallel Cabinet Front View Without Front Door and Panel LS Vw a i s ww p m H F1 F2 F I UPS Module Left Side View Type A00 Type BRO Type DR1 amp CR1 Without Side Panel NOTES 1 All Liebert supplied cable will need to be repositioned prior to and while setting the cabinets in their installed location All interconnection cable and hardware supplied by others AC connections must be made to the UPS modules before attaching paralleling cabinet to UPS modules Utility AC source neutral not required for maintenance bypass transformer cabinet type CR1 Paralleling cabinets must between both UPS modules Gs P
33. E rs s Refer to the individual drawing of each piece of equipment for additional details Table 18 Liebert supplied interconnect wiring Pun From Conductor _ Uitiy AC Source Paraleling Cabinet Neutral Bypass BRO CR1 DR1 1 ity Ac Source AI Ground Gonnecions Grond A00 BRO CRI DR1 49 Installation Drawings Figure 37 Lineup detail SlimLine distribution cabinet to NX I 4 A RET th I eee v i ih CIE x x BE a 9j g Jum Le X i H MAINTENANCE BYPASS TRANSFORMER CABINET UPS MODULE LEFT SIDE VIEW FRONT VIEW WITHOUT FRONT DOOR AND PANEL WITHOUT SIDE PANEL NOTES 1 All Liebert supplied cable will need to be repositioned prior to and while setting the cabinets in their installed location All interconnection cables and hardware supplied by Liebert AC connections must be made to the UPS module before attaching See Figure 45 for placement of distribution cabinet i a IS Refer to the individual drawing of each piece of equipment for
34. Lineup detail 1 N Type A1 connection to NX Peo 9 ala L BL 94969 9999 j 1 fF wi 67 9 6 B B uru 1 Parallel Cabinet 1 N Cabinet Interior View front view without front door and panel neutral and ground busbar location m m ih dL m m L 1 All Liebert supplied cable must be repositioned prior to and while setting the cabinets in their installed location 00898 88 2 Allinterconnection cables and hardware supplied by others 3 connections must be made to the UPS modules before attaching paralleling cabinet to UPS modules 4 The interconnecting input cables between the paralleling cabinet and the UPSes must be the same size and the same length UNI 5 The interconnecting output cables between the paralleling cabinet and the UPSes must be the same size and the same length 6 The location of the system output neutral busbar connection and the ground busbar connections H I and J are shown for a left access style For right access version these busbars are at opposite locations 7 Refer to the individual drawing of each piece of equipment for additional details 2 ge SN TH OPC N Ka i UPS Module Left Side View without side panel Table 21 Interconnect wirin
35. S input circuit breaker A B C terminals 9 The bypass and rectifier input neutral cables must be connected to the input neutral busbar N See Figure 5 NOTE Both the rectifier and bypass feeds MUST come from the same utility source except if the UPS system includes either a configuration F or P external maintenance bypass cabinet Output System Connections Ensure Correct Phase Rotation 10 Connect the system output cables between the UPS output busbars A B C N terminals and the critical load and tighten the connections to 44 lb in 5 N m M6 bolt YN WARNING If the load equipment will not be ready to accept power on the arrival of the commissioning engineer then ensure that the system output cables are safely isolated 13 2 2 2 2 1 Electrical Connections Internal UPS Battery Connections The UPS internal batteries will be connected at the factory EXCEPT the Anderson connections between the shelves and to the fuses YN WARNING The DC bus is live when this internal battery connection is made This connection is to be performed ONLY by Liebert Global Services at startup Observe the battery cable polarity Be sure that the battery connector is made with the cor rect polarity 11 Refit all protective covers removed for cable installation Control Cables Monitor Board Features Based on your site s specific needs the UPS may require auxiliary connections to manage the battery system external battery
36. ae ae Q 26 AG Wire Prepara O rn ud dox dod atone choi yu ed oto a d Saeco u bu ku 26 4 62 Power Cable Installatiom uqkay a ed iE diede 27 4 0 0 Output WIS ie oS eel Ea a eriperet Bak aed os Ra ara 27 Boltine Cabinets Wa Soe Mee a aha cocti el Wa Sg N 29 OPTIONS sie crue 30 Load D usiynehrontZdtlOb sae a S SX RU UN pipa RA 30 SLL Periormance Requirements ss 3926 a pcc ROO RA RSS Gams eee od do pa ee eas 30 o 1 2 DBS Cableand Settings iioc doe es ote E ea cete pay usu usuyku ead 30 Configuring Parallel System Operation 31 J Ae me uu s ET SoBe NSP SE Sua oP S E OR a NRI 31 es a ed asus 31 9 2 9 Operating Principles z uu 32 5 2 4 Operation Modes Summarys ERR 32 Parallel oy stems ie aca Mae hak Cae See ae Os say 32 DSL Conditions Tor Parallel System uen rhon k e E 32 How Cabinet Installation yy a o Ie iet D hee 32 9 Premnas Checks At tote ORE SAAR ERE ORO Ob OE 32 0 004 Sekt Oe RAS AAD OAR GEAR RAR ua BUR d 32 Deore se OW ROC a priate cts Bp eS asus SL Da puasa 33 Doo Parille Control Cabl
37. al Position When the equipment has been finally positioned ensure that the adjustable stops are set so that the UPS will remain stationary and stable see 7 0 Installation Drawings Mechanical Considerations The NX is constructed with a steel frame and removable panels Top and side panels are secured to the chassis by screws The doors may be opened for access to power connections bars auxiliary termi nals blocks and power switches The UPS comes with an operator control panel which provides basic operational status and alarm information The cabinet houses both the power components and the internal batteries Cooling 18 provided by internal fans The unit sits on four casters Adjustable stops are provided to prevent the UPS from moving once it has been moved to its final position 1 6 1 1 6 2 1 6 3 Installation Clearances There are no ventilation grilles on the sides or rear of the UPS The sides must be accessible during installation After installation the unit may be placed with the rear against a wall and optional cabi nets on either side To enable routine tightening of power terminations within the UPS make sure there is sufficient clearance in front of the NX to permit free passage of personnel with the door fully opened Leave a minimum of 2 ft 610mm between the top of the UPS and the ceiling to permit adequate air circulation above the unit Liebert recommends against using air conditioning or other system
38. al batteries The cabinets are designed to be bolted to the right side of the UPS see Figure 1 Refer to 3 4 External Battery Cabinet Installation for details Optional maintenance bypass transformer cabinets MBC T are available These cabinets house the components necessary to Provide an external wrap around maintenance bypass switch for servicing the UPS Provide voltage transformation for site or application requirements Provide a means for neutral isolation and allow installations for site without a neutral conductor MBC T cabinets are designed to be bolted to the left side of the UPS see Figure 1 Refer to 4 5 Locating the Cabinet for further details System Composition A UPS system can comprise a number of equipment cabinets depending on the individual system design requirements e g UPS cabinet and External Bypass cabinet In general all cabinets used will be the same height and are designed to be positioned side by side to form an aesthetically appeal ing equipment suite 1 6 4 Optional Cabinets Installation If your NX installation includes a Maintenance Bypass Cabinet the NX must be positioned to allow the Maintenance Bypass Cabinet to be bolted to left side of the NX see Figure 1 Cables from the Maintenance Bypass Cabinet must be brought through the bottom side of the NX for connection The Maintenance Bypass Cabinet must be cabled and bolted to the NX before the UPS and bypass cabinet are moved into
39. an em Te wes _ Paralleling Cabinet UPS 1 UPS 4 Module AC Ground Ground UPS Paralleling Cabinet Load AC Connection Ph A B C Load Paralleling Cabinet Load AC Connection Ground load Paralleling Cabinet Load AC Connection Neutral load 11 14 UPS 1 UPS 4 Module Output Breaker Aux Contact Kz Di UPS Parallel Logic Board M3 Porc 53 Installation Drawings Figure 41 Lineup detail 1 N Type B1 connection to NX i m IN J 5 1120 8 1 N Cabinet Side View 1 N Parallel Cabinet 1 N Cabinet Interior View without side panel or door front view without front door and panel neutral and ground busbar location UPS Module Left Side Vie without side panel 1 All Liebert supplied cable must be repositioned prior to and while setting the cabinets in their installed location 2 Allinterconnection cables and hardware supplied by others 3 AC connections must be made to the UPS modules before attaching paralleling cabinet to UPS modules 4 The interconnecting input cables between the paralleling cabinet and the UPSes must be the same size and the same length 5 The interconnecting output cables between the paralleling cabinet and the UPSes must be the same size and the same length 6 The location of the system output neutral busbar connection K and the ground busbar connections H I and J are shown for a left access style For right access version these busbars ar
40. ble through removable access plates Remove punch to accommodate conduit size and replace 3 Control wiring and power wiring must be run in separate conduit Output and input cables must be run separate conduit 4 Aluminum and copper clad aluminum cables are not recommended 5 All wiring is to be in accordance with national and local electrical codes 44 Installation Drawings Figure 32 Location of internal batteries ee RR LLL ol iC eee ay 45 Installation Drawings Figure 33 Battery connections DYNASTY BATTERY MIDDLE LAYER TOP LAYER W501 3pcs 6 ZOSM 91 90SM E te W510 to W511 W500 18pc W504 to W505 W502 W503 W503 W502 BOTTOM LAYER W511 to W510 W507 to W506 W509 to W508 CON4 W505 to W504 W508 to W509 46 Installation Drawings Figure 34 Battery cabinet interconnection Refer to Table 16 for key to interconnection o n Midpoint N Negative a 7m z Raza la R Negative 7 1 J Breaker Connection Detail Breaker Detail Detail B B OR UPS Module 27 Battery Cabinet 59 Battery Cabinet Front View Front View Front View with doors removed without doors and without doors and protective plates protective plates NOTES 1 All Liebert supplied cable must be repos
41. com Outside the US 614 841 6755 Three Phase UPS 800 543 2378 powertech emersonnetworkpower com Environmental Systems 800 543 2778 Outside the United States 614 888 0246 Locations United States 1050 Dearborn Drive P O Box 29186 Columbus OH 43229 Europe Via Leonardo Da Vinci 8 Zona Industriale Tognana 35028 Piove Di Sacco PD Italy 39 049 9719 111 While every precaution has been taken to ensure the accuracy T and completeness of this literature Liebert Corporation assumes no Fax 39 049 5841 257 responsibility and disclaims all liability for damages resulting from use of Asia this information or for any errors or omissions 7 F Dah Sing Financial Centre 2006 Liebert Corporation 108 Gloucester Road Wanchai All rights reserved throughout the world Specifications subject to change without notice Hong Kong Liebert and the Liebert logo are registered trademarks of Liebert 852 2572220 Corporation All names referred to are trademarks Fax 852 28029250 or registered trademarks of their respective owners SL 25215_REV6_11 06 Emerson Network Power The global leader in enabling Business Critical Continuity EmersonNetworkPower com AC Power Embedded Computing Outside Plant Racks amp Integrated Cabinets Connectivity Embedded Power Power Switching amp Controls Services DC Power Monitoring Precision Cooling E Surge Protection Business Critical Continuity Emerson Network Power
42. de with open closed front doors IP 20 38 UPS Specifications 6 4 UPS Electrical Characteristics Table 10 UPS terminal Input for single input unit Maximum Recommended Lug Nominal Maximum OCP Input Input OCP Device Lug T amp B Lug T amp B Current Current Current Rating Bolt Size One Hole 54000 One Hole REDDY 10 28 35 42 45 6M 1 4 54105 62204 15 42 53 63 70 6M 1 4 54106 62204 20 56 70 84 90 6M 1 4 54107 62204 30 83 104 125 125 6M 1 4 54152 62205 Rectifier input for dual input unit only Nominal Maximum OCP Maximum Recommended Lug Input Input OCP Device Current Current Current Rating Bolt Size 10 25 31 37 40 6M 1 4 15 37 47 57 60 6M 1 4 20 50 63 76 80 6M 1 4 30 75 94 113 125 6M 1 4 ne Hole 54000 One Hole REDDY 54130 62204 54106 62204 54107 62204 54152 62205 Bypass input for dual input units Output Nominal Input Current Nominal Output Current Maximum Recommended Lug Lug T amp B Lug T amp B One Hole 54000 One Hole REDDY 10 54130 62204 15 42 53 1 4 54106 62204 20 56 70 1 4 54106 62204 30 84 105 110 6M 1 4 54108 62205 Battery OCP Maximum Recommended Lug Unit Battery OCP Lug T amp B Lug T amp B Rating Current Current Bolt Size 10 15 55 55 70 6M 1 4 54106 62204 20 3
43. duced by batteries can be explosive and sulfuric acid can cause severe burns When connected the nominal battery voltage is 288VDC and is potentially lethal In case of fire involving electrical equipment use only carbon dioxide fire extinguishers or those approved for use in fighting electrical fires Extreme caution is required when performing maintenance Be constantly aware that the UPS system contains high DC as well as AC voltages Check for voltage with both AC and DC voltmeters prior to making contact WARNING As with other types of high power equipment dangerous voltages are present within the UPS and battery enclosure The risk of contact with these voltages is minimized as the live component parts are housed behind a hinged lockable door Further internal safety screens make the equipment protected to IP20 standards No risk exists to any personnel when operating the equipment the normal manner following the recommended operating procedures All equipment maintenance and servicing procedures involve internal access and should be carried out only by trained personnel WARNING High ground leakage current Ground connection 1s essential before connecting the input supply This equipment must be grounded in accordance with local electrical codes Maximum load must not exceed that shown on the UPS rating label A A CAUTION This equipment is fitted with RFI suppression filters Ground leakage current exceeds 3 5
44. dw J J 2 min load 1 minute 126 150 load Voltage Regulation 1 0 three phase RMS average for a balanced three phase load 2 0 three phase RMS average for a 100 unbalanced load Frequency Regulation Nominal frequency regulation is 0 05 in single module mode and 0 25 in parallel mode Maximum rate of change of For single mode the slew rate is adjustable from 0 1Hz s to 3Hz s frequency Hz sec Current rating of neutral cable A 1 5 x input current 6 4 5 Bypass Input Table 15 Bypass input Rated Power 10kVA 15kVA 20kVA Rated voltage VAC 120 208 Supply Three phase 4 wire plus ground Rated Current A Upper limit 10 15 20 Upper limit default 15 Bypass voltage tolerance Lower limit 10 20 30 or 40 Lower limit default 20 Frequency Hz 50 60 Input frequency tolerance 10 or 20 default 10 Current rating of neutral cable A 1 5 x input current Time Load Bypass overload capacity Long term operation lt 135 load all ratings 10 minutes 135 170 load 100milliseconds 1000 full UPS rated output current 41 Installation Drawings 7 0 INSTALLATION DRAWINGS The diagrams in this section illustrate the key mechanical and electrical characteristics of the NX UPS System cabinets Figure 28 Dimensional view front and left side views ae 10mm dia threaded Monitoring mounting holes Panel r m
45. e at opposite locations 7 Refer to the individual drawing of each piece of equipment for additional details Table 23 Interconnect wiring 1 N Type B1 connection to NX Ru Fo O T Condo 8 Souree ParaleingCabnet Ground System Input _ Load AC Connection PhABC Lox _ ee L1 L4 UPS 1 UPS 4 Module Output Breaker Aux Contact abel UPS Parallel Logic Board M3 UPS 1 UPS 4 Module Rotary Switch Aux Contact Paralleling Cabinet UPS Parallel Logic Board M3 54 Installation Drawings Figure 42 Lineup detail 1 N Type C connection to NX 1 N Cabinet Side View without side panel or door UPS Module Left Side View without side panel Table 24 1 eL Vm BB ha 4 w 1 Parallel Cabinet front view without front door and panel we a B ery BB mu m p L _ C b HY ue 149 k 1 N Cabinet Interior View neutral and ground busbar location All Liebert supplied cable must be repositioned prior to and while setting the cabinets in their installed location All interconnection cables and hardware supplied by others AC connections must be made to the UPS modules before attaching paralleling cabinet to UPS modules Utility AC source neutral not required for maintenance bypass transformer cabinet Type C The interconnecting
46. e electrically bonded to the metalwork of the cabinets to which they are connected YN WARNING Before connecting input power to the NX ensure that you are aware of the location and operation of the overcurrent protection devices that connect the UPS input bypass supply to the power distribution panel De energize and lockout or tagout all incoming high and low voltage power circuits before installing cables or making any electrical connections Power Cabling Cable Rating The main factors affecting the choice and size of cable are voltage current also taking into account overcurrent room temperature and conditions of installation of the cable The power cables of the system must be sized with respect to the following description UPS input cables The UPS input cables must sized for the maximum input current includ ing the maximum battery recharge current given in Table 10 with respect to the unit rating and the input AC voltage UPS bypass and output cables The bypass and output cables must be sized for the nominal output current given in Table 10 with respect to the unit rating and the output AC voltage Battery cables Each UPS unit has its own internal batteries factory wired If connecting an external battery cabinet the battery cables must be sized for the battery discharge current at the end of discharge voltage as given in Table 10 with respect to the unit rating NOTE Table 10 gives nominal cur
47. ence drawing in 7 0 Installation Drawings 1 Verify that all incoming high and low voltage power circuits are de energized and locked out or tagged out before installing cables or making any electrical connections 2 Remove the left side panel to gain easier access to the connections busbars 3 Connect the safety ground and any easier bonding ground bus cables to the copper ground busbar located on the bottom of the equipment below the power connections All cabinets in the UPS system must be connected to the user s ground connection NOTE The grounding and neutral bonding arrangement must comply with the National Electrical Code and all applicable local codes 4 Identify and make power connections with incoming cables according to Steps 5 through 11 Common Input Connections 5 For common bypass and rectifier inputs connect the AC input supply cables between the power distribution panel and the UPS input busbars A B C terminals and tighten the connections to 44 Ib in 5 N m using the M6 bolt provided 6 The input neutral cable must be connected to the input neutral busbar N See Figure 5 Dual Input Connections 7 For bypass connect the AC input supply cables between the power distribution panel and the UPS input busbars A B C terminals and tighten the connections to 44 lb in 6 N m using the M6 bolt provided 8 For Rectifier Input connect AC input supply cables between the power distribution panel and the UP
48. enient 29 5 1 5 1 1 Options OPTIONS Load Bus Synchronization The Load Bus Synchronizer LBS keeps the output of two Independent UPS systems or parallel UPS systems in synchronization even when the systems are operating in different modes and even when either or both systems are operating on batteries When the LBS is used one UPS system 1s desig nated as master the other as slave The LBS option 15 typically used with dual corded equipment or with either the Liebert SmartSwitch or Static Transfer Switch STS for single corded equipment Performance Requirements The DBS operates under the following conditions Both master and slave are on inverter either system may be on inverter through the rectifier or on inverter through the batteries e Master on inverter and slave on bypass e Master on bypass and slave on inverter e Master and slave on bypass IF the bypass source is the same for both systems DBS Cable and Settings For NX to NX dual bus configuration only one optional LBS cable is required the built in LBS will operate normally without extra LBS control box or interface box The LBS port 1s X4 on the parallel board M3 The parallel board 1s on the interior of the NX above and left of the power electronics see Figure 30 An optional 9 pin LBS cable is used to connect two UPS systems through each system s DB9 port on its parallel board For two parallel systems the LBS cable can be mounted between any t
49. es oue gn u aa ees k aguan a ipta 33 Hott Mmergency Power Ot HPO ost xs seed teet ews erii RAN ess 35 Battery Circuit breaker BOX o CS OE WIRE op HOME 36 UPS SPECIFICATIONS tiie tise eee EE ae Te ra asa 38 Coniormity and Standards suu uos SE CVSS er S Verb PEE SU ond 38 Ds tur a statura direi Ye 38 UPS Mechanical CBaractetistie8 s 4 uu pec ep Ir re deb GA ta Supa dE Re ee a ace ad 38 Characteristics us dde eate ee EDUC SC E o CES UR AER EE 39 6 4 1 Battery Manufacturers and Models 40 DD aU eds aio ied D sal 40 64 9 DC Intermediate C HOULU 2 2 estab bok TV ec REESE EGS 40 OX inverter Outputs adus doi he oa bone 41 5 xDypass suu ed oot bans dS Tbe ed UE aus Beet oak ete deb utin 41 ii 7 0 INSTALLATION DRAWINGS ice u ana eee RE UU wee a ae 42 8 0 SPECIFICATIONS AND TECHNICAL DATA ccc eect eee 59 8 1 Lug Size and Torque Requirements 59 8 2 Cable Lengths Floor to Connection Point Inside UPS 70 FIGURES Fisure 1 Cabinetarrancement ERR We BOOED BARBS CRE doe d 8
50. et is attached to the left side of the NX or before the UPS is placed where another obstruction such as a wall is against the NX s the left side 10 Electrical Connections 2 1 4 Cable Connections The rectifier input bypass and output are easily accessible from the left side of the unit for installa tion All require lug type terminations They are connected to busbars on the left side of the NX and below the switch as shown in Figure 3 These busbars are accessible when the left side panel is removed Busbars to connect external batteries are accessible from the front of the UPS NOTE External battery connection access requires removal of a protective panel on the lower front of the UPS to the left of the bottom two battery shelves Figure 3 Input busbars Remove these links for dual input configuration and wire UPS Main input directly to CB1 1 Rectifier Input Output Busbars Phases are Busbars indicated by Phases are indicated by letters below the bars letters below the CU bars C B A G B A OUTPUT BYPASS The internal batteries are connected with Anderson connectors inside the battery compartment The batteries are connected to fuses to protect the NX and connected equipment see Figure 4 Figure 4 Battery fuses and connections Internal battery input connections bag Battery fuses fuses are behind access plate on front of UPS see Note on page 11 11 Electrica
51. ft side placement of the battery cabinet is preferable The battery cabinet s are designed to be located conveniently next to each UPS module and are also available in stand alone configurations with painted side panels The front access design eliminates side and rear service clearance requirements Refer to Table 33 for battery cabinet dimensions and weights Bolt On Cabinets Matching battery cabinets are designed to bolt onto the side of the UPS module cabinet Use bolts that ship with each unit to connect cabinet frames at posts two places in the front and two places in the rear Service Clearance Allow front access to the battery cabinet at all times for maintenance and ser vicing Electrical codes require that the battery cabinet be installed with no less than 3 feet 1m of clearance at the front of the cabinet when operating Side and rear panels do not require service clear ance Cables Cables may be run between the cabinets through cutouts in the top of the cabinet eliminat ing the need for external conduit runs Route cables before moving cabinets into final position for bolt ing together No top or bottom entry cables are required except for remotely located cabinets which require conduits Refer to Figure 15 Software To allow the UPS to accurately display the battery run time the number of battery cabi nets must be noted when performing initial startup and setup using the configuration software This is to be perfor
52. g 1 N Type A1 connection to NX Ru Fo T Conus B Source Ground System Input _ Paralleing Cabinet Load AC Connection PRABO Lod L1 L4 UPS 1 UPS 4 Module Output Breaker Aux Contact 52 Installation Drawings Figure 40 Lineup detail 1 N Type B connection to NX um T T d D D i 1 Parallel Cabinet front view without front door and panel TAE S m Ex 1 N Cabinet Interior View neutral and ground busbar location 1 All Liebert supplied cable must be repositioned prior to and while setting the cabinets 1n their installed location 2 Allinterconnection cables and hardware supplied by others 3 AC connections must be made to the UPS modules before attaching paralleling cabinet to UPS modules 4 The interconnecting output cables between the paralleling cabinet and the UPSes must be the same size and the same length 5 The location of the system output neutral busbar connection K and the ground busbar connections H I and J are shown for a left access style For right access version these busbars are at opposite locations 0 LT gt 6 Refer to the individual drawing of each piece of equipment for additional details UPS Module Left Side View without side panel Table 22 Interconnect wiring 1 N Type B connection to NX
53. gic Board M3 M1 M4 Paralleling Cabinet UPS 1 UPS 4 Module Rotary Switch Aux Contact UPS Parallel Logic Board M3 57 Installation Drawings Figure 45 SlimLine locations SlimLine SlimLine SlimLine Battery E o 1 1 Paralleling Paralleling Cabinet Cabinet SlimLine SlimLine SlimLine 58 8 0 8 1 Specifications and Technical Data SPECIFICATIONS AND TECHNICAL DATA Lug Size and Torque Requirements Use commercially available solderless lugs for the wire size required for your application Refer to Table 27 Connect wire to the lug using tools and procedures specified by the lug manufacturer Table 27 Torque specifications Nut and Bolt CombinationS Electrical Connections Grade 2 Standard with Belleville Washers Bolt Shaft Size Wire Size or Range 6 4 Circuit Breakers With Compression Lugs For Power Wiring CumenRaing Ipin Nm j Terminal Block Compression Lugs For Control Wiring AWG Wire Size orRange lein Nm _ NOTE Use the values in this table unless the equipment is labeled with a different torque value Table28 Battery torque rating Initial Torque Annual Torque Battery in Ib N m in Ib N m UPS12 100MR 40 4 5 32 3 48 UPS12 140MR 40 4 5 32 3 48 UPS12 200MR 40 4 5 32 3 48 4 S 88 UPS12 370MR 65 7 4 52 5 88 UPS12 475MR 110 12 4 110 12 4 59 Specifications and Technical Data Maintenance by
54. he floor 42 Installation Drawings Figure 29 Dimensions continued top and bottom views 10mm dia threaded mounting holes 4 typ See Notes 8 and 9 above BEE eee gt EENET J m Rear stabiliz ing foot 700 828 XE Air Exhaust 1381 Power Cable Entry Area Top and Bottom lt 4 30 625 c gt TOP VIEW BOTTOM VIEW Figure 30 Main components typical unit Parallel Board M3 Monitor Board U2 IntelliSlot Power Communication Electronics Ports Input Breaker Rotary System Switch Input Breaker Access Plate Battery Trays Internal and External Battery Terminal Block Access Plate Front View DPN U3812048 with door open Rev 1 43 Installation Drawings Figure 31 Cable connections 33 ES AC output cable JE i e connections m bin t f al H Bypass AC input cable 2 8 E connections Tig S rt s rt LL a Input Neutral b nput Neutral DUS gt m side view Th I FL Input Output Output Neutral Bus ie ae Neutral side view Power Earth side view Battery connections N 4 1 to battery 4 2 to external battery cabinet NOTES 1 All dimensions are millimeters 2 Top and bottom cable entry availa
55. he inverters of all the UPS modules in the system If the frequency of bypass 15 within the synchronous range the inverter will be synchronized with the bypass Other wise the system will operate at nominal frequency Battery Mode Operation The batteries of all UPS modules power the load through their inverters The system operates at nominal frequency Bypass Mode Operation The condition to transfer to bypass mode is essentially the same as that of single module system The bypass of all the UPS modules powers the load Maintenance Bypass Mode Operation The sequence to transfer to maintenance bypass mode 1s the same as for transferring a single module system The maintenance bypass switches should be switched on as synchronously as pos sible Thus the system can be repaired without interrupting the power supply to critical load Installing Parallel System The basic installation procedure of parallel system is the same as that of single module system The following sections introduce only the installation procedures specific to the parallel system Conditions for Parallel System Each UPS module should have the same rating the same firmware and hardware version Each UPS module must have the same bypass source The outputs of all UPS modules are connected altogether The main inputs can be from different sources but the phase rotation sequence of main inputs bypass inputs and outputs must be correct and the same T
56. he parallel logic cable and load sharing cable must be connected in a ring correctly see Figure 23 Cabinet Installation Parallel system composed of two or more UPS modules using parallel cabinet The UPS modules that will form the 1 N system should be placed side by side Each battery cabinet is placed next to its corresponding UPS module The parallel cabinet should be placed in the middle of the system Preliminary Checks Each UPS module should have the same rating the same firmware and the same hardware version Refer to the instructions in 5 3 1 Conditions for Parallel System Protective Devices For each UPS refer to Table 10 For each system refer to Table 31 32 Appendix 5 3 5 Power Cables Wiring of power cables is similar to that of single module system See 2 1 Power Cabling The bypass sources of all modules should be the same and the outputs should be connected altogether cor rectly Power cables will be supplied by customer Power cables to the UPS s of the 1 N paralleling cabinet must be routed through either the top or bottom entry access of the UPS For systems using a parallel cabinet see Figures 36 and 38 through 44 for power cable terminations NOTE The length and specifications of power cables including the bypass input cables and UPS output cables should be the same thus the load can be shared evenly in bypass mode 5 3 6 Parallel Control Cables Parallel System Control Cables Make the
57. hysical characteristics 69 Maintenance bypass cabinet 70 Multi module paralleling cabinet dimensions 70 Distance to connection points NX UPS 70 iv IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions that should be followed during installation of your Liebert NX UPS and batteries Read this manual thoroughly paying special attention to the sections that apply to your installation before working with the UPS Retain this manual for use by installing personnel A A A WARNING Exercise extreme care when handling UPS cabinets to avoid equipment damage or injury to personnel The UPS module weight ranges from 850 to 1400 Ib 886 to 635kg Determine unit weight and locate center of gravity symbols before handling the UPS Test lift and balance the cabinet before transporting Never tilt equipment more than 15 degrees from vertical Battery manufacturers supply details of the necessary precautions to be observed when working on or in the vicinity of a large bank of battery cells These precautions should be followed implicitly at all times Follow all battery safety precautions when installing charging or servicing batteries In addition to the hazard of electric shock gas pro
58. ie without side panel 92 we we 97 T W B B d em 1 ala a I B alg is 3 2 x E E Parallel Cabinet 1 Cabinet Interior View neutral and ground busbar location All Liebert supplied cable must be repositioned prior to and while setting the cabinets 1n their installed location All interconnection cables and hardware supplied by others AC connections must be made to the UPS modules before attaching paralleling cabinet to the UPS modules The interconnecting input cables between the paralleling cabinet and the UPSes must be the same size and the same length The interconnecting output cables between the paralleling cabinet and the UPSes must be the same size and the same length The location of the system output neutral busbar connection K and the ground busbar connections H I and J are shown for a left access style For right access version these busbars are at opposite locations Refer to the individual drawing of each piece of equipment for additional details Table 26 Interconnect wiring 1 N Type D connection to NX an em _ Source Paraleing Cabret Ground System Input _ 1 Paralising Cabinet Load AC Connection PhABO Ld _ L1 L4 Paralleling Cabinet UPS 1 UPS 4 Module Output Breaker Aux Contact UPS Parallel Lo
59. input cables between the paralleling cabinet and the UPSes must be the same size and the same length The interconnecting output cables between the paralleling cabinet and the UPSes must be the same size and the same length The location of the system output neutral busbar connection K and the ground busbar connections H I and J are shown for a left access style For right access version these busbars are at opposite locations Refer to the individual drawing of each piece of equipment for additional details Interconnect wiring 1 N Type C connection to NX Rm From T Conus _ 8 Uiliy AC Source Paraleing Cabinet Ground System input _ i Paraleing Cabinet Load AC Connection PhAB C Load _ ram w Paralleling Cabinet a Paralleling Cabinet UPS 1 UPS 4 Module UPS Parallel Logic Board UPS 1 UPS 4 Module UPS Parallel Logic Board M3 Output Breaker Aux Contact Rotary Switch Aux Contact 55 Installation Drawings Figure 43 Lineup detail 1 N Type C1 connection to NX B mi d C J to 8 ala L DE c LAS 1 N Cabinet Side View 1 N Parallel Cabinet 1 N Cabinet Interior View without side panel or door front view without front door and panel neutral and ground busbar location 1 All Liebert supplied cable must be repositioned prior to and while setting the cabinets in their installed locatio
60. ion of the equipment 2 Compare the contents of the shipment with the bill of lading Report any missing items to the carrier and your local Liebert representative immediately Internal Inspections 1 Remove any packaging material then visually examine the UPS and battery equipment for transit damage both internally and externally Report any such damage to the shipper and to Liebert immediately 2 Check the nameplate inside the cabinet door to verify that the model number and rating correspond to the ones specified Record the model number and serial number in the front of this installation manual This information is necessary should service be required 3 Check for loose connections or unsecured components in the cabinet 4 Check for shipping damage to internal components 1 2 1 1 3 1 3 1 1 4 1 4 1 1 4 2 Installation Storing for Delayed Installation If the equipment will not be installed immediately 1t must be stored indoors where the humidity is no higher than 90 and the temperature 15 no higher than 104 F 40 C The storage area must protect the NX from excessive moisture see 6 2 UPS Environmental AN CAUTION If the UPS must remain disconnected from power for more than six 6 months the battery must be recharged before use To charge the batteries the unit must be connected to utility power and started up the charger operates only while the NX is operating AN CAUTION When batteries are insta
61. itioned prior to and while the cabinets are being placed in their final installed location All interconnection hardware supplied by Liebert All interconnection cables supplied by Liebert when bolted together Interconnection cables field supplied when battery cabinets are stand alone Refer to the individual drawing of each piece of equipment for additional details ote Table 16 Liebert supplied interconnect wiring n Fo e ow UPS battery terminal block External 27 or 59 battery cabinet Positive midpoint negative Battery cabinet terminal block UPS monitor board Battery breaker aux contacts 47 Installation Drawings Figure 35 Maintenance Bypass interconnection Refer to Table 17 for key to interconnection L U Lu F 10 slal B 4 e ING NL B Maintenance Bypass Transformer Cabinet UPS Module front view without front door and panel left side view without side panel NOTES 1 All Liebert supplied cable must be repositioned prior to and while the cabinets are being placed in their final installed location 2 Allinterconnection hardware supplied by Liebert 3 connections must be made to the UPS module before attaching maintenance bypass transformer cabinet to UPS module 4 Utility AC source neutral not required for maintenance bypass transformer cabinet types D
62. l Connections 2 1 5 Safety Ground The safety ground busbar is located below the neutral input and output busbars as shown in Figure 5 below The safety ground cable must be connected to the ground busbar and bonded to each cabinet in the system All cabinets and cable conduit should be grounded in accordance with local regulations AN WARNING Failure to follow proper grounding procedures can result in electric shock hazard to personnel or the risk of fire should a ground fault occur NOTE Proper grounding significantly reduces problems in systems caused by electromagnetic interference NOTE Q The ground and neutral busbars are easily accessible when the left protective cover plate is removed Cable connections should be made before a cabinet is attached to the left side of the NX or before the UPS is placed where another obstruction such as a wall is against the NX s the left side Figure 5 Ground and neutral busbar connections Output neutral busbar qo OD Q EM Input neutral busbar Ground busbar 2 1 6 Protective Devices For safety it is necessary to install circuit breakers in the input AC supply and external battery bat tery cabinets external to the UPS system Given that every installation has its own characteristics this section provides guidelines for qualified installation engineers with knowledge of operating prac tices regulatory standards and the equipment to be installed
63. ll the parallel cables in a ring providing high reliability and redundancy And the intelligent paralleling logic provides the user with maximum flexibility For example shut ting down or starting up the UPS modules the parallel system can be done in any sequence If an overload transfer occurs the whole system can recover automatically from bypass mode after the overload is cleared The total load of the parallel system can be queried from each module s liquid crystal display screen Figure 22 1 N system block diagram Supplied by Others Input Mains Input Mains pope ABC Supply A BC Static Switch To Load 31 5 2 3 5 2 4 5 3 5 3 1 5 3 2 5 3 3 5 3 4 Appendix Operating Principles Redundancy Paralleling The 1 N parallel redundant system can noticeably improve system reliability In normal condition none of the UPS modules work at full load That means that even if the load is increased the system will not transfer to bypass And when a UPS module shuts down due to any failure the remaining UPS modules can still power and protect the load When redundancy is lost due to module failure or load increase the parallel system will trigger an alarm Operation Modes Summary The parallel system also has operation modes such as normal battery bypass and maintenance bypass All UPS modules in the 1 N parallel system operate in coordination Normal Mode Operation The load is powered by t
64. lled in the UPS or are cabinet mounted adjacent to the UPS unit the battery not the UPS dictates the designed maximum ambient temperature Preliminary Checks Identification The equipment supplied has an identification tag on the back of the main door listing the type and size of the UPS UPS Location Positioning the UPS Choose a location for the UPS that offers Easy connection to inputs outputs and auxiliary equipment Enough space to service the UPS Air circulation sufficient to expel heat produced by UPS Protection against moisture and excessive humidity Protection against dust and other particulate matter Compliance with fire prevention regulations and practices Operating environment temperature of 74 80 F 23 27 C for maximum battery efficiency Environmental Considerations Before installing the NX verify that the UPS room satisfies the environmental conditions stipulated in 6 2 UPS Environmental paying particular attention to the ambient temperature and air exchange system The UPS unit should be installed 1n a cool dry clean air environment with adequate ventilation to keep the ambient temperature within the specified operating range 32 F to 104 F 0 C to 40 C For optimal UPS and battery system performance and service life maintain the operating tempera ture within the range of 74 80 F 28 27 The NX UPS cooled by internal fans Cooling air enters the unit through the front of
65. med by the Liebert Global Services customer engineer when commissioning the unit Casters and Adjustable Stops tThe adjustable stops not designed to bear the full weight of the cabinet Lower the stops until they are finger tight in contact with the floor Then tighten a small amount with a wrench less than two turns to give a good friction fit When mounting the battery cabinet on seismic stands ensure that the casters are bearing the weight of the cabinet Battery Support sure to connect the battery tray support to the front of the cabinet before sliding a battery tray out for connection or service Without the support the battery tray may fall out of the cabinet See Figure 16 for details 22 Battery Installation Figure 15 Internal cable wiring from battery cabinet to Liebert NX Power cables from output power switch Power cables from batteries Power cables exit battery cabinet enter Liebert NX Power cables run M across top b of Liebert NX 4 Power cables black enter channel down sid of NX to power input connections RIGHT SIDE CABLE ENTRY SHOWN CUTOUTS ON LEFT SIDE PERMIT CONNECTION FROM THAT SIDE pf z EL T r k Figure 16 Battery tray and supports Battery tray supports attach to interior surface of NX front door note notched ends of supports Slot in support secured by and notched end of support
66. n 2 interconnection cables and hardware supplied by others 3 AC connections must be made to the UPS modules before attaching paralleling cabinet to UPS modules ee ER h L inh ERR 4 The interconnecting input cables between the paralleling cabinet and the UPSes must be the same size and the same length 5 The interconnecting output cables between the paralleling cabinet and the UPSes must be the same size and the same length 6 The location of the system output neutral busbar connection K and the ground busbar connections H I and J are shown for a left access style For right access version these busbars are at opposite locations Refer to the individual drawing of each piece of equipment for additional details UPS Module Left Side Vie without side panel Table 25 Interconnect wiring 1 N Type C1 connection to NX Conductors rai cat Sten 8 Paraleing Cabinet Ground System Input _ 1 Paratising Load AC Connection PRAB C Load _ HI ae a s Paralleling Cabinet Paralleling Cabinet Load AC Connection Neutral Load Load L4 Paralleling Cabinet UPS 1 UPS 4 Module Breaker Aux Contact UPS Parallel Logic Board M3 56 Installation Drawings Figure 44 Lineup detail 1 N Type D connection to NX 1 N Cabinet Side View without side panel or door front view without front door and panel UPS Module Left Side V
67. n the neutral cable may be greater than nominal current in the case of non linear loads Refer to the values in 6 4 UPS Electrical Characteristics 2 The ground conductor should be sized according to such factors as the fault rating cable lengths and type of protection The ground cable connecting the UPS to the main ground system must follow the most direct route possible Control wiring and power wiring must be run in separate conduit Output and input cables must be run in separate conduit 3 Consider using paralleled smaller cables for heavy currents this can ease installation 4 When sizing battery cables a maximum voltage drop of 4VDC is permissible at the current ratings in Table 10 For terminal connection sizing see Table 10 5 In most installations especially parallel multi module systems the load equipment is connected to a distribution network of individually protected busbars fed by the UPS output rather than connected directly to the UPS itself When this is the case the UPS output cables can be rated to suit the individual distribution network demands rather than being fully load rated NOTE If more load is added to the distribution panel the unit s cabling must be resized 6 When laying power cables do not form coils this will help avoid increasing formation of electromagnetic interference NOTE Left side access may be required when making power connections Cable connections should be made before a cabin
68. nspection Remove all panels and visually inspect the batteries bus connections and cabinet for any damage Exercise caution voltage is present within the battery cabinet even before installation If there are signs of damage do not proceed Call Liebert Global Services at 1 800 542 2378 Storage The batteries can be stored for up to six months without appreciable deterioration If plan ning to store a battery cabinet for longer than six months or at temperatures higher than 77 F 25 C contact Liebert Global Services for recommended precautions The following notes in conjunction with the diagrams Figure 13 through 12 illustrate the broad principles to be followed when fitting and connecting the majority of battery cabinet installations CAUTION Any battery system should be installed by qualified personnel When installing an external battery cabinet that 1s NOT a Liebert NX battery cabinet the customer must provide overcurrent protection See Table 10 for sizing of protection devices NOTE Q When using an external battery supply that is not provided with the UPS please make reference to the battery manufacturer s installation manual for battery installation and maintenance instructions available on the manufacturer s Web site When replacing batteries Liebert recommends that the batteries in external cabinets be the same type used internally in the NX See Table 11 for a list of batteries that are approved for use with thi
69. otal cable length required refer to Table 37 for the distance from the floor to selected connection points inside the NX Determine the cable length required to reach the NX then add the appropriate length from the table and adequate slack for repair and maintenance Table 37 Distance to connection points on the NX UPS From Top of Unit Connection Point on UPS in mm Bypass AC input supply UPS output AC 11 280 16 400 Neutral busbars Input and Output Battery power Auxiliary cables Monitor board U2 Communications Parallel Board 70 Specifications and Technical Data NOTES 71 72 Specifications and Technical Data Ensuring The High Availability Of Mission Critical Data And Applications BEEN _ 722g Emerson Network Power the global leader in enabling business critical Technical Support Service continuity ensures network resiliency and adaptability through _ Web Site a family of technologies including Liebert power and cooling www liebert com Monitoring technologies that protect and support business critical systems Liebert solutions employ an adaptive architecture that responds 800 222 5877 monitoring emersonnetworkpower com to changes in criticality density and capacity Enterprises benefit Outside the US 614 841 6755 from greater IT system availability operational flexibility and Single Phase UPS reduced capital equipment and operating costs 800 222 5877 upstech emersonnetworkpower
70. pass cabinet electrical data single input Table 29 Output OCP CB Size A 125 125 125 125 100 125 125 125 125 125 100 6 6 E GL eo 5 6 25 EN 5 6 25 49 Current Rating A 208 208 208 208 480 220 208 208 208 208 208 480 220 208 208 208 208 480 220 208 208 208 208 220 208 208 208 208 208 480 ss 220 208 208 208 208 480 125 125 150 125 125 104 eae Input OCP O P Voltage Cabinet CB Size A 60 Max Input Current Bypass Cabinet 105 a 106 208 480 220 480 220 480 s s 59 108 103 220 208 480 220 480 208 220 240 480 220 208 480 220 480 208 220 o coo c e o oO lt gt gt gt 5 amp s 59 101 Specifications and Technical Data Maintenance Bypass Bypass Cabinet Voltage Max Input Nominal O P Output Current i Current Rating A OCP CB Size A F p A BR oO HR A T O O O1 O1 125 107 ERE LET d 9 ws tor ws me m Ws wo z 3 2 3 m s o o er ms 6 ns m 5 zo amp o 2 5 7 61 Specifications and Technical Data Table 30 Maintenance bypass cabinet electrical data dual input Rectifier Rectifier
71. r connection for 20 30 kVA to lugs load side power connections to busbars see detail 8 Power cables must be sized to limit voltage drop from battery system to UPS to be a maximum 4 VDC DPN U3813078 Rev N NOTE 1 The signal cables in this figure must be shielded and double insulated 2 Connect the Pes Protection Earth of the UPS cabinet and BCB box to the same point 37 UPS Specifications 6 0 UPS SPECIFICATIONS 6 1 6 2 6 3 These specifications describe requirements for the Liebert NX UPS Conformity and Standards The UPS has been designed to conform to the following standards IEEC1000 4 5 ASME CSA 22 2 No 107 1 FCC Part 15 Class A SO 9001 National Electrical Code NFPA 70 NEMA PE 1 OSHA UL Standard 1778 The UPS system has UL and c UL approval UPS Environmental The UPS is designed to operate under the following environmental conditions without damage or deg radation 1n electrical operating characteristics Table 8 Environmental characteristics 52111049 OC 4659 Acoustical Noise dBA at 39 in 1m 54 Altitude of Operation lt 1000m per IEC 62040 3 Storage Transport Temperature UPS 4 F to 158 F 20 C to 70 C Storage Transport Temperature Battery 4 F to 86 F 20 C to 30 C UPS Mechanical Characteristics Table 9 Mechanical characteristics 450 20 954 433 1198 643 384 652 934 1417 Cable Entry Bottom or top Protection Gra
72. r gloves and boots Do not lay tools or metal parts on top of batteries Disconnect charging source prior to connecting or disconnecting battery terminals UPS Batteries The NX s internal batteries are fully charged before the unit 1s shipped During storage and transpor tation some charge 1s lost All batteries should be recharged before use The battery charger works only when the NX is connected to input power and turned On NOTE Full safety instructions concerning the use and maintenance of UPS batteries are provided in the appropriate battery manufacturer s manuals available on the manufacturer s Web site The battery safety information contained in this section relates to key considerations that must be taken into account during the installation design process and might affect the design outcome depending on your installation 19 3 4 3 4 1 3 4 2 Battery Installation External Battery Cabinet Installation Matching Battery Cabinets Two sizes of optional battery cabinets are available Refer to Figures 13 and 14 The same model bat tery cabinet may be installed in parallel in multiple cabinet strings for additional capacity Battery run time depends on the cabinet model the number of cabinets and the load on the UPS Handling The battery cabinet has casters to facilitate movement over short distances The bottoms of the battery cabinets are reinforced to permit movement by forklift over longer distances I
73. rents for determining the size of UPS power cables Other important factors to consider include cable route length and coordination with protective devices The power cables can be sized to suit the UPS unit rating according to Table 10 Lug Size and Torque Requirements Refer to Table 27 for lug size and torque requirements Electrical Connections 2 1 2 UPS Input Configuration Figure 2 illustrates the NX a split bypass dual input configuration In this configuration the Static Bypass and the Maintenance Bypass lines are supplied from a separate feed from the Main input Both sources must be protected externally with properly sized protective devices By default the unit ships with internal links installed between the Bypass input and Main input Single Input configuration To wire the unit as a dual input UPS remove the links and wire the bypass to the input bus bars then wire the Main input directly to CB1 see Figure 3 Figure 2 Single module block diagram dual input configuration SW1 D Maintenance Bypass Static Switch ontactor Rectifier Inverter UPS Output AC Utility Input Contactor SW1 A CB1 A SW1 B Neutral Wire Discharge Battery Charger Battery H 2 1 3 Cabling Guidelines The following are guidelines only and are superseded by local regulations and codes of practice where applicable 1 Take special care when determining the size of the neutral cable as current circulating o
74. rminal must double insulated Wire should be 20 16AWG stranded for maximum runs between 82 and 164 feet 25 50m respectively BCB Box Interface J10 1 the box interface Table 3 BCB box interface Position Description J10 1 BCB Driver Signal Reserved J10 2 BCB Contact State BCB On Line Input This pin will become active when BCB interface is connected N O NOTE All auxiliary cables of terminal must be double insulated Wire should be 20 16AWG stranded for maximum runs between 82 and 164 feet 25 50m respectively NOTE If interface is connected a jumper needs to added between Pin 5 and Pin 4 Figure 9 Jumper connection for interface UPS Monitoring Board Battery Circuit Breaker 16 Electrical Connections 2 3 4 Output Dry Contacts There are three output dry contact relays at the X1 slot see Figure 10 and Table 4 Figure 10 Output dry contacts and EPO wiring for firmware before M170 2 3 9 22 i il T _ FP Ee EE J EPO H EPO L LL m Table 4 Output dry contact relays Position Name Description I I o _ BFP_S BFP_O INV_C INV_S INV_O ACF_C ACF_S ACF_O NOTE All auxiliary cables of terminal must be double insulated Wire should be 20 16AWG stranded for maximum runs between 82 and 164 feet 25 50m respectively EPO Input Optional Firmware Before M200
75. rt circuit protection Protection against battery cabinet and ups connection errors polarity reversal 36 Options Figure 27 Battery circuit breaker box connections 3 1 2 12 7mm dia knockouts 10 8 274mm 5 4 137mm 3 9 98mm Connect to UPS Module field installed gp El la for control wiring jaj gt conduit entry 1 9 2 3 4 5 63 5mm 6 Midpoint _ O CB Load TB1 Side CB Line Side 305 31 5 819 2mm 800 1mm 72 Cells 72 Cells h_ From Customer s Battery System Front View field supplied and field installed 31 dia 7 9mm 38 4 places 9 5mm p 1 93 3 1 2 12 7mm 25 4mm 49mm e e dia knockouts Bottom View for power wiring conduit entry refer to top dimension 11 8mm NOTES 62 1 NEMA 1 enclosure provided which is suitable for 15 8mm 47 wall mounting only Approximate weight is 60 Ib jd 2 Hardware for connecting cables to the breaker supplied 11 8mm 3 Circuit breaker Cutler Hammer FD4125ED13D15A02 for 20 30 kVA FD4070ED13D15A02 for 10 15 kVA Midpoint Busbar Detail 4 Color IBM off white 5 Mount enclosure and pull all cables into enclosure before installing dry contacts 6 Low voltage wiring needs to enter from the top of the enclosure in separate conduit from power cables 7 Line side power connections to lugs 1 6AWG per connection for 10 to 15 kVA 1 2AWG pe
76. s may be found in 3 0 Battery Installation A WARNING Internal battery strapping must be verified by manufacturer prior to moving a battery cabinet after initial installation Battery cabinets contain non spillable batteries Keep units upright Do not stack Do not tilt Failure to heed this warning could result in smoke fire or electric hazard Call 1 800 LIEBERT before moving battery cabinets after initial installation GLOSSARY OF SYMBOLS AN Risk of electrical shock Indicates caution followed by important instructions AC input JN MA Requests the user to consult the manual t Indicates the unit contains a valve regulated lead acid battery C X T DC voltage Bonded to ground Equipment grounding conductor Ay AC voltage 1 0 1 1 1 2 Installation INSTALLATION The Liebert NX UPS is designed primarily for telecommunications and data processing applica tions Liebert Corporation neither recommends nor knowingly sells this product for use with life sup port and other designated critical devices This section describes the NX s environmental requirements and mechanical considerations that must be taken into account when planning the positioning and cabling of the UPS equipment Because every site 1s unique this section presents a guide to general procedures and practices that should be observed by the installing engineer
77. s product Connecting the Batteries If the NX battery cabinets are installed on a raised floor the battery power cables and circuit breaker control cables may be routed to the UPS cabinet via the floor of the cabinet bottom entry If the NX battery cabinets are installed adjacent to one another on a solid floor these cables may be passed between the cabinets through lifting slots in the lower sides of the cabinets Intertray connections must be made before the battery cabinet may be used Figure 12 Battery cabinet details Removable retainer Tray handle Insulated post for cabling 20 Battery Installation Figure 13 Narrow battery cabinet 27 in 690mm rear view Top cable entry BCB plate and BCB Battery trays Figure 14 Wide battery cabinet 57 in 1488mm front view Top cable entry Batteries E om 1 i L u BCB plate and BCB LE Battery tray support Service shelf Battery tray 21 3 4 3 Battery Installation Installation Considerations Position Liebert battery cabinets come in versions specific to either the left or right side of the UPS Control wires and power cables are cut to different lengths for the different versions If the sys tem includes a matching maintenance bypass cabinet MBC the MBC should be mounted to the left of the UPS nearest the busbars and the battery cabinet s should be installed to the right of the UPS Otherwise le
78. s that blow air onto the top of the unit Floor Installation The diagrams in 7 0 Installation Drawings show the location of holes in the base plate for bolting the equipment to the floor An optional anchoring kit is available For information see your local Lie bert representative If the equipment is to be placed on a raised floor it should be mounted on a pedestal that will support the equipment point loading Refer to the bottom view in Figure 28 to design this pedestal Cable Entry Cables can enter the NX from the top or bottom Cable entry is made possible by removing a metal plate attached to the UPS These plates are designed to allow the personnel to punch holes for fitting and securing the conduit Once the conduit holes are punched these plates should be reattached to the UPS Connecting cables to the NX may require that the UPS be accessible from the left side to allow per sonnel to complete the connections and make necessary adjustments After installation 15 complete the NX may be serviced from the front NOTE When installing the UPS the customer must provide a disconnect with overcurrent protection at the output of the UPS 10 30kVA UPS The 10 30kVA NX consists of a single cabinet housing the UPS components and the internal battery string Optional battery cabinets are available to provide extended run time Each cabinet houses additional strings of batteries that operate in parallel with the NX s intern
79. the unit and 1s exhausted out the top To permit proper air flow and prevent overheating do NOT block or cover the ventilation openings or blow air down onto the unit Ventilation clearance above the unit must be a minimum of 24 in 610mm See Table 9 for details on heat dissipation Battery Location Temperature 1s a major factor in determining battery life and capacity Battery manufacturers recom mend an operating temperature of 77 F 25 C Ambient temperatures warmer than this reduce bat tery life temperatures below this reduces battery capacity In a typical installation battery temperature should be maintained between 74 F and 80 F 28 27 Batteries should be placed where there are no main heat sources or air inlets to prevent portions of batteries from being either much warmer or much cooler than other parts of the batteries Installation 1 4 3 Special Considerations for 1 N Systems 1 5 1 6 1 Consider the grounding configuration of your system before finalizing module placement For optimal ground performance the NX modules should be close together 2 For optimal load sharing performance the UPS output cables should be approximately the same length plus or minus 20 percent 3 Position modules in such a way as to minimize the length of power cables and control wiring between UPS modules and the paralleling cabinet Considerations in Moving the NX Ensure that the UPS weight is within the designated surface
80. their final position Connect the input wiring to the Maintenance Bypass Cab inet ONLY after the units are connected and positioned Battery cabinets may be bolted to either side of the NX unless used in configurations that include a Maintenance Bypass Cabinet If used with a Maintenance Bypass Cabinet battery cabinets must be installed on the right side of the UPS see Figure 1 below Figure 1 Cabinet arrangement ALL UNITS VIEWED FROM ABOVE Liebert NX Cabinet NX connected only to MBC MBC must be on left side of the NX Battery Cabinet Cabinet Liebert NX Battery Battery Cabinet Cabinet NX connected to Maintenance Bypass Cabinet and Battery Cabinets MBC must be on left side of the NX Battery Cabinets must be on the right side of the NX in this Liebert NX configuration Battery Cabinet NX connected to Battery Cabinets Battery Cabinets may be on either side of the NX 2 0 2 1 2 1 1 Electrical Connections ELECTRICAL CONNECTIONS The UPS requires both power and control cabling once it has been mechanically installed All control cables must run separate from power cables in metal conduits or metal ducts that ar
81. tput OCP Size Type kVA Current Rating A CB Size A 15 3 70 08 83 35 4 7 5 64 Specifications and Technical Data Table 31 Multi module bypass cabinet electrical data continued System System System Voltage Max Input Input OCP O P Voltage Nominal O P Output OCP Size Type kVA Current CB Size A Current Rating A CB Size A 20 7 9 1 25 Ue 15 2 s 7 28 15 29 HEIL ee 480 200 208 250 400 w G 2 45 7 9 2 83 220 205 300 208 225 x Gs i mo ze 5 208 83 65 Specifications and Technical Data Table 31 Multi module bypass cabinet electrical data continued fel System System System Voltage Max Input Input OCP O P Voltage Nominal O P Output OCP Size Type kVA Current CB Size A Current Rating A CB Size A o w 0 208 15 28 125 m 39 2 8 ws 480 a 28 125 10 600 38 5 28 A488 j 15 15 208 164 25 28 4125 20 15 22 155 20 28 15 20 5 480 71 90 28 1 j 2950 TE YO s xe mo xe 2 208 83 66 Specifications and Technical Data Table 31 Multi module bypass cabinet electrical data continued System Nominal O P Output OCP
82. unch the appropriate size hole for the size conduit being used Pull the three four input wires through it allowing some slack for installation For cabinets that are located to the immediate left of the UPS the access plate is on the lower right of the cabinet Remove the access plate and verify that the edge guarding is installed and intact See Figure 19 Figure 19 Maintenance Bypass Cabinet wiring access panel Wiring access is on lower right side of Maintenance Bypass Cabinet Access panel removed wiring connects NX and MBC Edge Guard 2 Secure the conduit to the access plate of the Maintenance Bypass Cabinet 3 Input power cables connect to the system input circuit breaker Refer to Figure 35 Maintenance Bypass interconnection 4 Connect the ground earth wire to the earth busbar and tighten it to 44 Ib in 5 N m M6 bolt 5 Locate UPS input and output cables and access panel to UPS on lower right side See Figure 19 NOTE If the maintenance bypass cabinet is not to be bolted to the UPS use either top or bottom access plate 6 Connect the system ground cable between the Maintenance Bypass Cabinet and UPS and tighten the connections to 44 lb in 6 N m M6 bolt 27 Maintenance Bypass Cabinet 7 Connect the system input cables between the Maintenance Bypass Cabinet UPS Input Busbars A B C N terminals and UPS input busbars A B C N terminals and tighten the connections to 44 b in 5 N m M6 bolt
83. weight loading 1b ft or kg cm of any handling equipment See Table 9 for weights of various units To move the UPS and optional battery cabinets The NX may be rolled on its casters when moving the unit a short distance For longer distances move the UPS with a forklift or similar equipment to ease the relocation and to reduce vibration The optional battery cabinets should be moved with a forklift or similar equipment YN WARNING Ensure that any equipment that will be used to move the NX has sufficient lifting capacity The NX weight ranges from 850 to 1400 Ib 886 to 635kg See Table 9 for details The UPS presents a tipping hazard Do not tilt the NX further than 15 degrees from vertical The UPS is fitted with casters take care to prevent movement when unbolting the equipment from its shipping pallet Ensure adequate personnel and lifting equipment are available when taking the NX off its shipping pallet Do not tilt the unit more than 15 degrees from center YN WARNING The casters are strong enough for movement across even surfaces only Casters may fail if they are subjected to shock loading such as being dropped or rolled over holes in the floor or obstructions Such failure may cause the unit to tip over injuring personnel and damaging the equipment Care must be taken when maneuvering units fitted with batteries Keep such moves to a minimum For further information see Battery Cabinet Precautions on page 2 Fin
84. wo units belonging to different parallel systems For information about the LBS kit or to order the optional equipment see your local Liebert representative The LBS cable 1s connected as illustrated in Figure 21 Figure 21 Load Bus Synchronization cable connection LBS Cable Parallel Board Parallel Board The parallel board is on the interior of the NX above and left of the power electronics see Figure 30 UPS Module or UPS Module or System 1 System 2 The LBS function 1s activated with configuration software when the LBS takes effect the graphic LCD will display LBS active 30 5 2 5 2 1 Options Configuring Parallel System Operation General The NX uses intelligent and reliable decentralized technology to achieve parallel operation of two or more modules of the same rating The 1 N system is used to Increase the reliability of the system to ensure adequate power supply to the critical load con nected Increase serviceability and allow the execution of maintenance operations and reparations with out affecting the ordinary operating conditions of the system depending on the redundancy level 5 2 2 Features of Parallel System The hardware and firmware for parallel UPS module operation is standard in the NX and the configuration can be set up by changing the settings in configuration software It is easy to insta

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