Emerson 60HZ manual

AC P ow er For Business-Criti cal C on tinuity™ Li eber t N X ™ UPS Us er Man ual–40-200kV A, 480V , 60Hz[...]

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i T ABLE OF CONTENTS I MPORT ANT S AFETY I NSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 G LOSSARY OF S YMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.0 I NST ALLATION . . . . . . . . . . . . . . . . . . . . . [...]

ii 3.4 Non-Standard Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 3.5 BCB Shunt Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 3.6 Alber Monitoring System—Optional . . . . . . . . . . . . . . [...]

iii 8.10 Current Date and Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 8.11 UPS Status Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 8.12 Types of LCD Screens . . . . . . . . . . . . . . . . . . . . . .[...]

iv 11 . 0 S PECIFICATION S AND T ECHN ICAL D ATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 11.1 Lug Size and Torque Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 11.2 Cable Lengths: Floo r to Connection Point Inside UPS . . . . . . . . . . . . . . . . .[...]

v Figure 39 Main component lo cation drawing Liebert NX 480V, CB2, CB 3, CB4 configurations . . . . . . . . . 56 Figure 40 Liebert NX 480V 40-120kVA UPS to Paralleling Cabinet Interconnection—Con figuration BB0, FB0, KB0 parallel connection to Liebert NX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Figure 41 Interc[...]

vi TA B L E S Table 1 Input dry contacts at X3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Table 2 Maintenance by pass cabinet interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Table 3 BCB control interface . . . . . .[...]

1 I MPORT ANT S AFETY I NSTRUCTIONS SA VE THESE INSTRUCTIONS This manual co ntains important ins tructions that should be followed during installation of your Liebert NX ™ UPS and ancillary equipm ent. Read this manual thor oughly, paying spe cial attention to the sections that appl y to your installation, before working with the UPS. Retain this[...]

2 Battery Cabinet Precautions The following warning appl ies to all battery cabine ts supplied with UPS syst ems. Additional warn- ings and cautions applicab le to battery cabinets may be found in 3.0 - Battery Installation . ! WARNING Under typical operation and wi th all UPS doors closed, only normal safety preca utions are necessary. The area ar[...]

3 ! CAUTION Do not dispose of batteries in a fire. They may explode. ! CAUTION Do not open or mutilate batteries. Releas ed electrolyt e is harmful to the ski n and eyes. It is toxic. ! CAUTION A battery can present a risk of electrical shoc k and high short circuit current. The following precaution s should be observe d when working on batteries: [...]

4 G LOSSARY OF S YMBOLS Risk of ele ctrical shock Indicates caution followed by important instructions AC input AC output Requests the user to consult the manual Indicates the unit contains a valve-regulated lead acid battery Recycle DC voltage Equipment grounding conductor Bonded to ground AC voltage ! i PbH2S O4 - + R[...]

Installation 5 1.0 I NST ALLATION Liebert’s NX Uninterruptible Power Sup ply system prov ides continuous, h igh-quality AC p ower to your business-critical equi pment, such as telecomm unications and data processing equip ment. The Liebert NX UPS supplies power that is free of the disturb ances and variations in voltage and fre- quency common to [...]

Installation 6 1.2 Internal Inspections 1. Remove any packaging material , then visually ex amine the UPS and battery equipment for transit damage, both internally and externally. Report any such damage to the shipper and to Liebert immed iately. 2. Check the nameplate inside the cabinet door to verify that the mo del number and rati ng correspond [...]

Installation 7 Battery Location Batteries must be installed in Liebert NX 4 80V bat tery cabinets or battery room. Temperature is a major factor in determining battery life and capacity. Battery manufacturers recommend an operat- ing temperature of 77°F (25°C). Am bient temperatures higher than this reduce battery life; tempera - tures lower than[...]

Installation 8 1.6.1 Clearances There are no ventilation grilles on the sides or rear of the UPS. The unit may be placed with the rear against a wall and optional cabi nets on either side. To enable rout ine tightening of p ower terminations with in the UPS, make su re there is sufficien t clearance in front of the Liebert NX to permit free passage[...]

Installation 9 Figure 1 Cabinet arrang ement—Liebert NX unit s and battery cabinet s Fr ont of Uni t s B atte ry C abinet B a ttery Ca bi n e t B atte ry C abinet Li eber t NX UPS Front o f Unit s B a ttery Ca bi n e t B atte ry C abinet B atte ry C abinet Liebert NX UPS Fro nt of Uni t s Multi-Modu le P arall el C abi net B a ttery Ca bi n e t B[...]

Installation 10 Figure 2 Cabinet arrang ement—Liebert NX UPS, batt ery cabinet s and Liebert NX bypa ss distribution cabinet s Fr ont of U ni ts Li eber t NX Bypass Di st ri buti on Cabi net Ba t t e r y Ca bi n e t Li ebert NX UPS Fr ont of Uni t s Li ebert N X Byp a s s Di st ri buti on Cabi net B atter y Ca b i n e t Ba t t e r y C abinet Ba t[...]

Electrical Connections 11 2.0 E LECTRICAL C ONNECTIONS The UPS requires both power and co ntrol cabling once it has been mecha nically installe d. All control cables must run separate from power cables in metal conduits or metal ducts that are electrically bonded to the metalwork of the cabi nets to which they are connected. 2.1 Power Cabling 2.1.1[...]

Electrical Connections 12 2.1.2 UPS Input Configuration Figure 3 illustrate s the Liebert NX in a split by pass (dual-input) co nfiguration. In this configuration the Static Bypass and the Maintenance Bypa ss lines ar e supplied from a separate feed from the Main input. Both sources must be protec ted externally with properly sized protective devi [...]

Electrical Connections 13 2.1.4 Cable Connections The rectifier input, bypass and output are easily ac cessible from the front of the unit for installation. All require lu g type terminations. They are connected to busbars on the fron t side of the Liebert NX and below the circuit breaker, as shown in Figure 4 . These busbars are acce ssible when t[...]

Electrical Connections 14 2.1.5 Safety Ground The safety ground busbar is located b elow the Main tenance Bypass circuit brea ker or to the right of the UPS Output breaker for 160- 200KVA models as shown in Figure 4 . The safety gro und cable must be connected to the ground busbar and bonded to each cabinet in the system. All cabinets and cable con[...]

Electrical Connections 15 4. Identify and make powe r connections with incomi ng cables according to Steps 5 through 10 . Common Input Connections 5. For common bypass and rectifier inputs, connect the AC in put supply ca bles between the power distribution panel and the UPS input busbars (A-B-C terminals) and tighten the connecti ons to 88 lb-in. [...]

Electrical Connections 16 2.2 Control Cables 2.2.1 Monitor Board Features Based on your site’s specific needs, the UPS may re quire auxiliary connections to manage the battery system (external battery circuit breaker, battery temperature sensor ), communicate with a personal computer or provide alarm signaling to external devices or for Remote Em[...]

Electrical Connections 17 Figure 6 Auxiliary terminal block det ail (Monitoring Board) 2.3 Dry Cont act s The UPS provides input dry contacts and output dry contacts. NOTE When operating the Liebert NX with dry contacts , ESD measures must be taken or the contacts may be damaged. NOTE: The black square (  ) on each slot indicates Pin 1. J3 J1 J1[...]

Electrical Connections 18 2.3.1 Input Dry Cont acts There are several input dry contacts at the X3 slot. Figure 7 Input dry cont acts 2.3.2 Maintenance Byp ass Cabinet Interface J26 and J30 are the MBC interfa ce. T able 1 Input dry cont acts at X3 Position Name Description J4.1 ENV 3 Battery Room Alarm (Normally Closed) J4.2 BtG Battery Ground Fau[...]

Electrical Connections 19 2.3.3 Battery Circuit Breaker Control Interface J10 is the Battery Circuit Breaker (BCB) box interface. 2.3.4 Output Dry Cont act s There are three output dry contac t relays at the X1 slot (see Figure 8 and Table 4 ). Figure 8 Output dry cont acts and EPO wiring for firmwa re before M170 T able 3 BCB control interface Pos[...]

Electrical Connections 20 2.3.5 EPO Input—Optional The UPS has an Emergency Power Off (EPO) function op erated by a button on the control panel or by a remote contact provided by the use r. The local EPO button is under a hinged, clear plastic shield. The X2 slot, shown in Figure 9 , is the remote EPO input interf ace. The EPO has a NO/NC contact[...]

Battery Installation 21 3.0 B ATTERY I NST ALLATION 3.1 Introduction If using multiple sets of batteri es connected in parallel to provid e the required ba ttery backup run times, fit each set with an isolat ing device to permit wo rking on one of the batt ery sets while l eaving the others in service and pr oviding backup protection. When replacin[...]

Battery Installation 22 3.3 External Battery Cabinet Inst allation 3.3.1 Battery Cabinet s Figure 10 Battery cabinet s for Liebert NX The same model battery cabinet may be installed in paralle l in multiple cabinet strings f or additional capacity. Battery run time depends on the cabinet mo del, the number of cabinets and the load on the UPS. Handl[...]

Battery Installation 23 3.3.2 Connecting the Batteries If the Liebert NX battery cabinets are installe d on a raised floor, the battery power cabl es and circuit breaker control cables may be routed to the UPS c abinet via the floor of the cabinet (bottom entry). If the Liebert NX battery cabinets are insta lled adjacent to one another on a solid f[...]

Battery Installation 24 Figure 12 Battery tray and supp ort s 3.3.4 Connecting the Battery Cabinet t o the UPS After the battery cabinet equipmen t has been positioned and secure d fo r operation and the batteries have been connected, connect the power cables as described below. (See Figure 34 .) 1. Veri fy that all inco ming high an d low voltage [...]

Battery Installation 25 3.6 Alber Monitoring System—Optional The Liebert matching battery cabine t allows installing a n optional Alber Battery monitoring system in the cabinet. The Alber Battery Monitoring by Liebert conti nuo usly checks all critical battery parameters, such as cell voltage, overal l string vo ltage, current an d temperat ure. [...]

Options 26 4.0 O PTIONS 4.1 Load Bus Synchronization The Load Bus Synchronizer (LBS) keeps the output of two independent UPS systems or para llel UPS systems in synchronization even when the systems are operating in different modes and even when either or both systems are operat ing on batteries. When the LBS is used, one UPS system is desig- nated[...]

Options 27 Figure 14 Load Bus Synchronization ca ble connection with multi-module sy stems The LBS functio n is activated with configuration software; when the LBS ta kes effe ct, the graphic LCD will display “LBS acti ve.” 4.2 Configuring Parallel System Operation 4.2.1 General The Liebert NX uses intelligent and reliable dece ntra lized techn[...]

Options 28 Figure 15 Parallel system block diagram Figure 16 Paralleling cabinet with input and bypas s circuit breakers UPS Mo d u le 2 UPS Mo d u le 3 UPS Mo d u le 4 480 V , 3W Out put IO B1 IO B 2 IO B 3 IO B 4 UO B 4 8 0V DC Ba tte r y In p u t 480 V , 3 W In p u t ( F iel d R emov able J umper for Dual Input ) Byp a ss Sta tic Sw it ch DC D C[...]

Options 29 Figure 17 Paralleling cabinet with input, byp ass and distribution circuit brea kers 4.2.3 Operating Principles Redundancy Paralleling The parallel redundant system can no ticeably improve system reli ability. In normal cond ition, none of the UPS modules work at full load. Th at means that even if the load is increased, th e system will[...]

Options 30 4.3 Inst alling Parallel System The basic installation procedure of parallel system is the sam e as th at of single module system. The following s ections introduce only the installation p rocedures specific to the parallel system. 4.3.1 Conditions for Parallel System • Each UPS module must have the same bypass source. • The outputs [...]

Options 31 Figure 18 Connecting sys tem p arallel control cables Auxiliary Dry Cont act Cables The external output brea ker of each UPS must ha ve Normally Open auxiliary contacts. These con- tacts must be wired to connector X3 on the Parallel Logic Board (M3). See Figure 19 . Figure 19 Auxiliary dry cont act cables for output breaker in mu lti-mod[...]

Options 32 4.3.6 Emergency Power Off (EPO) The external emergency stop facility is identical to that described for the single unit installati on— that an individual emergency stop button is provided for each unit. Figure 20 Connecting EPO push button UP S 2 UPS 1 M onit or B oa r d Mo n i to r B o ar d X2 :1 X2 :2 X2 :1 X2 :2 No r ma lly C l o se[...]

UPS Specifications 33 5.0 UPS S PECIFICATIONS These specificat ions describe requ ire ments for the Liebert NX UPS. 5.1 Conformity and St andards The UPS has been designed to co nform to the following standards: • IEC 61000-4-5 •A S M E • CSA 22.2, No. 107.1 • FCC Part 15, Class A • ISO 9001 • National Electrical Code (NFPA-70) • NEMA[...]

UPS Specifications 34 5.4 UPS Electrical Characteristics T able 8 UPS terminal Input (For Single-Input Uni t) Unit Rating Nominal Input Current Maximum Input Current OCP Current OCP Device Rating Bolt Size Maximum Recommended Lug (Thomas & Betts Part #) Compression 2-Hole; 3/8" Bolt Mechanical 2-Hole; 40 48 66.8 80.2 90 M8 54106 ADR21 60 7[...]

UPS Specifications 35 5.4.1 Input Rectifier Battery Unit Rating Nominal Discharge Current Maximum Discharge Current OCP Device Rating Bolt Size Maximum Recommended Lug (Thomas & Betts Part #) Compression One-Hole; 3/8" bolt 40 82 at 480VDC 103 at 384VDC 125 M8 54106 60 122 at 480VDC 155 at 384VDC 175 M8 54107 80 163 at 480VDC 206 at 384VDC[...]

UPS Specifications 36 5.4.2 DC Intermediate Circuit See Table 8 for current ratings. 5.4.3 Inverter Output See Table 8 for current ratings. T able 1 1 Liebert approved replacemen t batteries Battery Manufac turer Models Supplied Enersys Yuasa HX300 HX330 HX400 HX500 C&D Dynast y UPS12-100MR UPS12-150MR UPS12-210MR UPS12-300MR UPS12-350MR UPS12-[...]

UPS Specifications 37 5.4.4 Byp ass Input T able 14 Byp ass input Rated Power, kVA 40 60 80 100 120 160 200 Rated voltage, VAC 480 Supply 3-phase, 3-wire plus ground Bypass voltage tolerance % Upper limit: +10%, +15% or +20%; Upper limit defaul t: +15% Lower limit: -10%, -20%, -30% or -40%; Lower limit default: -20% Frequency, Hz 60 Input frequency[...]

Installation Drawings 38 6.0 I NST ALLATION D RAWINGS The diagrams in this section il lust rate the k ey mechanical and el ectrical characteristics of the Lieber t NX UPS System cabinets. Figure 21 Liebert NX 40-120kV A dime nsional view—front and lef t side 39. 6m m (1. 6" ) 997 m m (39 . 3" ) 360 mm (14 . 2" ) C ent er of G rav i[...]

Installation Drawings 39 Figure 22 Liebert NX 40-120V dimensio ns con tinued—top and bottom view 11 3 . 5 (4.5") 150 (5.9") 150 (5.9") 987.1 (38.9") 514.5 (20.3") 120 (4.7") 841 (33.1") 600 (23.6") 87.6 (3.5") 77 (3") 671.6 (26.4") 367.7 (14.5") 120.7 (4.8") 120.7 (4.8" ) 152 ([...]

Installation Drawings 40 Figure 23 Liebert NX 40-120kV A main component s—typical unit Monitor Boa rd Int ellislot Commun icatio n Ports Replaceable Air F ilters FRON T VIEW (door open) DC Bus M ai n In pu t Bus Bypass Inp ut Bu s (Dual Input ) Out put Bus GND Out put Breaker (CB5) Maintenance Bypass Breaker (CB 3) Bypass Bre aker (CB2) Input Bre[...]

Installation Drawings 41 Figure 24 Liebert NX 160-200kV A dimensional view—front and left side FRON T VIEW LEF T VIEW 1239mm (48.8") 979mm (38.5") 2000mm (78.7") 1000mm (39.4") 610mm (24") 590mm 23.2"[...]

Installation Drawings 42 Figure 25 Liebert NX 160-200kV A dime nsions continued—top and bottom view BOT T OM VIEW T OP VIEW Front of UPS Front of UPS 1239mm ( 48.77") 972mm (38.28" ) 1239mm (48.7 7" 842mm (33.14" ) 1 1 10mm (43. 72") A Deta il A 355mm (13.99") 330mm (12.99" )[...]

Installation Drawings 43 Figure 26 Liebert NX 160-200kV A main components —typical unit Monit or Boa rd Intellislot Communication Por ts Replaceable Air Filte rs Para llel Boar d Input Breaker (CB1) Bypa ss Br ea ker (CB 2) Maintenance Bypass Breaker (CB3) Output Breaker (CB 5) DC Bus Ma in Input Bus Byp ass Input Bus Output Bus Ground[...]

Installation Drawings 44 Figure 27 Liebert NX 40-120kV A cable connections NOTES 1. All dimensions are millimeters (in .). 2. Top and bottom cable entry available 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[...]

Installation Drawings 45 Figure 28 Liebert NX 160-200kV A cable connections DC Bus Main Input Bus Bypass Input Bus (Dual Input) Output Bus O 10mm (0.394") DET AI L A 80mm (3.15") 80mm (3.15") 80mm (3.15") 65mm (2.56") 224mm (8. 83") FRO NT V IE W (door removed) A[...]

Installation Drawings 46 Figure 29 Outline drawing, 33" batter y powe r pa ck system, single cabinet 169.5 (6.7) 372.7 (14.7) 575.9 (22.7) 779.1 (30.7) 172.1 (6.8) 965 (38) Bottom (Viewed From Below) Right Side Front (Without Door) To p (Viewed From Above) Max. Door Swing: 120° 490.3 (19.3) 896.6 (35.3) 474.3 (18.7) 26.8 (1.1) 609.3 (24) 322.[...]

Installation Drawings 47 Figure 30 T erminal det ails, 33" battery power p ack system, single cabinet Liebert NX NOTES: 1. Al l dimens ions are in mil limeters (inc hes). 2. Al l cables should be routed before bol ting cabi nets togethe r . 3. The cables between th e battery cabinet and the U PS cabinet must be suppl ied by others. 4. All hard[...]

Installation Drawings 48 Figure 31 Outline drawing, 49" batter y powe r pa ck system, single cabinet FRON T FRON T RIG HT S IDE SECTION A-A (Plan V iew) LEVE LER S P ACING TOP V IE W (Door O pen) Rear 323mm (12.7") typ. 323mm (12.7") typ. 138mm (5.4") typ. 188mm (7.4")typ. 974mm (38.3") 1240mm (48.8) 1997mm (78.6"[...]

Installation Drawings 49 Figure 32 T erminal det ails, 49" battery power p ack system Detail B To p V i e w (without BCB Cover Plate) B A Detail A Positive (+) Negative (-) Ground PCB T r ansformer for Alber Monit oring Sy stem (Optional) Te r m i n a l B l o c k / Aux Contacts Fused Input for Alb er Monit oring System ( Optional) Positive[...]

Installation Drawings 50 Figure 33 Liebert NX 160-200kV A UPS to 49" battery cabinet interconnect ion C C C A A NX 160-200KV A UPS Module Front View 49" Battery Cabi net Right-Side Views B B D D D NOTES: 1. All cables mus t be repositioned prior to and wh ile setting the cabinets in their installed location. 2. Refer to the individual dra[...]

Installation Drawings 51 Figure 34 Liebert NX 40-120kV A UPS to 33" battery cab inet interconnection NOTES: 1. All cables must be repositioned prio r to and whil e setting the ca binet s in their installed location. 2. Refer to the in dividual drawing of each piece of eq uipment for additional details. Run From To Conductors A U PS Battery Ter[...]

Installation Drawings 52 Figure 35 Outline drawing, Lieb ert NX 480V 33" p arallel cabinet To p Right S ide 845 (33.2) 965 (38) Front 2000 (78.7) NOTE: 1. Al l dimensions are in millimeters ( in). 2. Eight-inch minimum clearance above unit required for air exhaust. 3. Ke ep cabinet within 15 degree s of vertical while handling. 4. Top and bott[...]

Installation Drawings 53 Figure 36 Outline drawing, Lieb ert NX 480V 49" p arallel cabinet 2000 (78 . 7 ) Fr o n t 965 (38 ) 1240 (4 8 . 8 ) Top R i ght S i de NOTE: 1. Al l dimensions are in millimeters (in). 2. Eight-inch minimum clearance ab ove unit required for air exhaust. 3. Keep cabinet within 15 degree s of vertical while handling. 4.[...]

Installation Drawings 54 Figure 37 Liebert NX 480V p aralleling cabinet wit h input and byp ass circuit breakers, main component s Fro nt Rear System Output T ie Breaker Kirk - K ey Fuse Disconnect System Output Busba r Ground Busb ar UPS Ou tp ut Breaker System Bypass T ie Breaker UPS Input Breakers System Input[...]

Installation Drawings 55 Figure 38 Liebert NX 480V p aralleling cabinet main component s—input, byp ass and distribution cir cuit breaker configurat ion Front With Covers Bypass Ti e Breaker Bypass Ti e Breaker Ground Bus UPS Input System Input Front Without Covers Rear With Covers Rear Without Covers UPS Output Output Distribution[...]

Installation Drawings 56 Figure 39 Main compon ent location drawing Li ebert NX 480V , CB2, CB3, CB4 configurations Syste m Bypa ss Kirk-K ey Fuse Disc onnect System Output Bu sb ar s Ground Busbar UPS Output Breakers FRON T[...]

Installation Drawings 57 Figure 40 Liebert NX 480V 40-120kV A UPS to Para lleling Cabinet Interconnect ion—Configuration BB0, FB0, KB0 p arallel connection to Liebert NX C1-C4 D E1-E4 B1-B4 C1-C4 B1-B4 A G1-G4 H1-H4 E1-E4 F FRONT Without Covers FRONT Door Open REAR Without Covers G1-G4 H1-H4 Run From To Conductors A Utility Source Parallel Cabine[...]

Installation Drawings 58 Figure 41 Interconnecting deta ils for Liebert NX 40-120 kV A UPS to paralleling cabinet with input, byp ass and distribution circuit bre akers FRONT Without Covers REAR Without Covers FRONT With Door Open E1-E4, F B1-B4 A D B1-B4 E1-E4 C1-C4 G1-G4, H1-H4 G1-G4, H1-H4 C1-C4 Run From To Conductors A Utility Source Parallel C[...]

Installation Drawings 59 Figure 42 Lineup det a il—Configuration CB2, CB3, CB4 p arallel connection to Liebert NX C1-C4 E1-E4 B1-B4 C1-C4 G1-G4 H1-H4 D E1-E4 F FRONT Without Covers FRONT Door Open G1-G4 H1-H4 Run From To Conductors B1-B4 Utility UPS #1-UPS #4 Module AC Input Ph A, B, C - UPS Inputs C1-C4 UPS #1-UPS #4 Module AC Output Parallel Ca[...]

Installation Drawings 60 Figure 43 Line-up det ail, bolt together de scription, 40-120 kV A Liebert NX Remove when cabinets are to be bolted together DET AIL A A U3819301 NOTES: 1. All dimensions are in millimeters (inches) 2. All cables should be routed before bolting cabinets together . 3. The cables between the auxillary cabinets and the UPS cab[...]

Operation 61 7.0 O PERATION 7.1 General Description Liebert’s NX provides continuous, high- quality AC po wer to your business-criti cal equipment, such as telecommunications and data processi ng equipment. The Liebert NX UP S supplies po wer that is free of the disturbances an d variations in voltage and fr equency common to utility power, which[...]

Operation 62 7.1.1 Byp ass Supplies The Liebert NX contains an electron ical ly controlled switch ing circuit that enables the critical load to be connected to either the inverte r output or to a bypass power source via the static bypass line. Dur- ing normal system opera tion the load is connected to the inverter and the inve rter contactor is clo[...]

Operation 63 Maintenance Mode For maintenance or repair, the Liebert NX may be operated in maintenance mode. To place the Lie- bert NX in maintenance mode, the load must be transferred to bypass and the inverter must be turned off. When those conditions are met, the CB3 may be turned on and the UPS may be shut down, permitting disconnecting th e ba[...]

Operator Control an d Display Panel 64 8.0 O PERATOR C ONTROL AND D ISPLAY P ANEL 8.1 Operator C ontrol Panel The control panel and LCD on the front of the Liebert NX let the operator: • turn the UPS On o r Off • transfer into the va rious operating modes • silence alarms • check the status of the UPS and its batteries, including all measur[...]

Operator Control an d Display Panel 65 8.2 Mimic Display Indicators The Mimic display on the front panel consists of six indicators arranged in a single-line diagram depicting the vario us paths of UPS power, as shown in Figure 47 . Figure 47 Mimic display indicators location The current operational status of the Liebert NX is indicated by th e col[...]

Operator Control an d Display Panel 66 8.3 Control Buttons The Control Buttons on the front panel may be used to s hut down the UPS co mpletely, turn the inverter On or Off, restart the UPS after a fault and silence the alarm, as shown in Figure 48 . The function of each bu tton is described in Table 16 . Figure 48 Location of control buttons NOTE [...]

Operator Control an d Display Panel 67 8.4 Audible Buzzer The buzzer produces three types of sounds: • Single beep - when any control button is pressed • Single beep repeating every two seconds - the system has a general alarm • Continuous - the system has a serious fault If the buzzer makes no sound, the system may be operating properly, or [...]

Operator Control an d Display Panel 68 8.6 Navigation Keys The navigation keys on the front panel—F1 through F4 and Help—are used to access the LCD to view the current status and other in formation about the Liebert NX. Navigation key icons on the LCD appear abov e each key to indicate its operation (see Table 17 ). The keys are “soft keys”[...]

Operator Control an d Display Panel 69 8.8 LCD Menus and Dat a Items The LCD menus provide access to th e follow ing categories of i nformation and settin gs for the UPS. Selecting a menu changes the info rmation displaye d in the UPS data items portion of the LCD. The menu choices are listed below and described in detail in Table 19 . • Mains - [...]

Operator Control an d Display Panel 70 T able 19 Descriptions of UPS menus and dat a window items Menu Type Item Type Explanation Mains (input) L-N current (A) Phase current Frequency (Hz) Input frequency L-L voltage (v Line-line voltage Power factor Power factor TX Input L-L voltage (V) Line-line voltage Bypass Frequency (Hz) Bypass frequency L-L [...]

Operator Control an d Display Panel 71 8.9 Language Selection The LCD menus and data display are availa ble in 12 languages (Chinese, Dutch, English, French, German, Italian, Japanese, Polish, Portuguese, Russi an, Spa nish and Swedish). To sele ct a different language: • From the main menu, press the F1 (Shift) key to move the cursor to the menu[...]

Operator Control an d Display Panel 72 8.10 Current Date and Time To change the syst em date and time: • From the main menu, press the F1 (shift) key to move the cursor to the menu at the top of the screen. • Press F2 and F3 (left and right arrows) as need ed to select the Settings menu. • Press F1 (shift) to move the cursor to the data and s[...]

Operator Control an d Display Panel 73 8.1 1 UPS St atus Messages The Liebert NX displays status changes as they occur in the current status window of the LCD , then stores that data in the history log , as shown in Figure 54 . • Current Status Window: The status messages are displayed chronologically and include the date and time of the events. [...]

Operator Control an d Display Panel 74 8.12 T ypes of LCD Screen s This section provides a qui ck guide to the main types of LCD screens. 8.12.1 Opening Display As the UPS be gins powerin g up, the op ening displa y appears, as sh own in Figure 55 . Figure 55 Opening display 8.12.2 Default Screen After the UPS has powered up and completed a self-t [...]

Operator Control an d Display Panel 75 8.12.3 UPS Help Screen Press the HELP key below the LCD to di splay the Help w indow shown in Figure 57 . (Press the HELP key again to exit the Help window.) Figure 57 Help screen 8.12.4 Screen Saver Window If there has been no interaction with the Lieber t NX’s LCD for 2 minutes, the screen saver window app[...]

Operator Control an d Display Panel 76 8.13 Pop-Up Windows Pop-up prompt windows app ear when the user must confirm a choice or perform an operation. T his section describes th e pop-up windows. 8.13.1 From Byp ass to Inverter Mode With Power Interruption If the bypass volt age or frequency exceeds the synchron ized range and utility voltage or fre[...]

Operating Instru ctions 77 9.0 O PERATING I NSTRUCTIONS 9.1 Liebert NX Operating Modes The Liebert NX can operate in an y of four modes, as shown in Table 20 . This section provides instructions on sw itching betwee n modes, resetting the U PS, switching the inverter On an d Off and performing other operations. T able 20 UPS operating modes Operati[...]

Operating Instru ctions 78 9.1.1 Circuit Breakers The UPS can be isol ated by means of circuit breakers, mounted inside the cabinet and accessible after opening the front door. The location of the UPS power switches is show n in Figure 59 . Figure 59 Circuit breakers The UPS unit circuit breakers are CB1, CB2, CB3 and CB5. • CB1 —Main Inp ut ci[...]

Operating Instru ctions 79 After initialization, the by pass SCR closes. Because the output circuit breaker is st ill open, the UPS channels power through the Maintenance Bypass Supply line (CB3). The bypass indicator extinguishes, provided that the bypass is normal. The opening display is shown in the figure at right. The UPS Mimic display indicat[...]

Operating Instru ctions 80 9.2.2 V erify Switching Between Operation Modes Switch from Normal Mode to Battery Mode • Open CB1 to enter battery mode. This breaks the utility connection to the Liebert NX. To return to normal mode, close CB1 after a few seconds. The rect ifier will restart automa tically after 10 seconds and resume fe eding power to[...]

Operating Instru ctions 81 9.4 Auto Rest art When the main and bypass sources fail, the UPS dr aws power from the battery system to supply the load until the batteries are depl eted. When the UPS reaches its end of discharge (EOD) threshold , it will shut down. The UPS will automatically rest art and enable output pow er: • after utility po wer i[...]

Operating Instru ctions 82 9.7 Battery Protection 9.7.1 Battery Undervolt age Pre-W arning Before the end of discharge, the Liebert NX displays a Low Battery pre-warning. After this pre-warn- ing, the battery has the capacity fo r 5 minutes discharging with full load (defau lt time). The Liebert NX can be user-configured to display this warnin g fr[...]

Operating Instru ctions 83 9.8.2 Inserting One Module into a Multi-Modu le System This procedure outlines how to inte grate a UPS modu le that has been previous ly isolated from other modules of a group of parall eled UPS modules. It is assumed that th e installati on is complete, the sys- tem has been commissioned by auth orized personnel and the [...]

Operating Instru ctions 84 9.8.3 Shut down Procedure—Complete UPS and Load Shut down This procedure must be followed to completely power down the UPS and the load. All power switch es, isolators and circuit breakers will be opened and power will be removed from the load. In multi-module syst ems, perform each step of the procedure in e very UPS m[...]

Options 85 10.0 O PTIONS Several items of optional equipment are avai lable for connection to the Liebert NX UPS. 10.1 Communication and Other User T erminals The UPS can be integrated into advanced networki ng environments via U P S monitoring software such as Microsoft UPS Monitor ™ , Liebert MultiLink ™ , Liebert Nform ™ , Liebert SiteNet [...]

Options 86 10.1.4 Communication and Monitoring Liebert IntelliSlot W eb Card - SNMP/HTTP Ne twork Interface Card This network interface card provid es all real-time data and status informati on as SNMPv1 traps for connection to a 10/100-baseT Ethernet connection. Th e same card also will tr ansmit the same status information and all mea sured param[...]

Options 87 Figure 62 Liebert IntelliSlot W eb card display[...]

Options 88 Relay Card The relay card provides voltage-free contact closures for remote monitoring of alarm conditions. Delivering On Ba ttery, On Bypass, Low B attery, Summary Alarm, UPS Fault and On UPS sig- nals, the easy-to-inst all card integrates with AS/400 computers (additional cab le required) and other relay contact monitoring systems. The[...]

Options 89 MultiPort 4 Card The MultiPort 4 card provides four sets of voltage-free contact closures fo r remote monitoring of alarm conditio ns UPS operation On Battery and Low Battery condition. A typical application is to allow a maximum of four computer s ystems to simultaneously monitor the status (e .g., utility powe r failure-low b attery) o[...]

Options 90 10.2 LBS Mode—Load Bus Synchronization The function of LBS is to keep the o utput of two independent UPS system s (single unit or multi ple unit) in synchronization even when th e two sy stems are operating in different modes (bypass/ inverter) or on batteries. It is usually used with a Static Transfer Switch connected to the crit ical[...]

Specifications and Technical Data 91 11 . 0 S PECIFICATIONS AND T ECHNICAL D AT A 1 1.1 Lug Size and T orque Requirements Use commercially available solderless lugs for the wi re siz e required for yo ur applicat ion. Refer to Table 24 . Connect wire to the lug using tools and pr ocedure s specified by the lug manufacturer. T able 24 T orque specif[...]

Specifications and Technical Data 92 1 1.2 Cable Lengths: Floor to Connection Point Inside UPS To help calcula te the total cable l ength required, refer to Table 26 for th e distance from the floo r to selected connection points inside the Liebert NX. Determine the cable length required to reach the Liebert NX, then a dd the appropriate lengt h fr[...]

Specifications and Technical Data 93 1 1.3 Cable size and tightening torques T able 28 External cabinet dime nsions, including side p anels Wide Parallel Cabinet Unit Width Depth Height mm (inch) 1240 (48.8) 965 (38) 2000 (78.7) Narrow Parallel Cabinet Unit Width Depth Height mm (inch) 845 (33.2) 965 (38) 2000 (78.7) 33 in. Battery Cabinet Unit Wid[...]

Specifications and Technical Data 94 T able 32 Cable size tightening torque at Liebert NX 100k V A UPS terminals Bus Type Cable Size (Copper Wire Only) Torque to Tighten Terminal Bus & Lug Body Main Input (Single Input) 4/0 10 N-m Main Input (Dual Input) 4/0 10 N-m Bypass Input (Dual Input) 2/0 10 N-m Output 2/0 10 N-m T able 33 Cable size tigh[...]

Specifications and Technical Data 95 1 1.4 Battery Run Times T able 37 Enersys batter y run times in minutes External Battery Cabinet Softscale Range Scalable to 80kVA Scalable to 120kVA Scalable to 200kVA Rated Output, kVA Rated Output, kVA Rate d Output, kVA Type Quantity 40 60 80 80 100 120 160 200 HX205FR 1 19 11 7 N/A N/A N/A N/A N/A HX300FR 1[...]

Specifications and Technical Data 96 UPS12-100MR 3 28 16 10 N/A N/A N/A N/A N/A UPS12-150MR 3 50 32 22 N/A N/A N/A N/A N/A UPS12-210MR 3 77 48 35 N/A N/A N/A N/A N/A UPS12-300MR 3 122 75 53 53 40 34 22 17 UPS12-350MR 3 147 83 65 65 49 39 28 21 UPS12-400MR 3 159 103 73 74 55 46 33 25 UPS12-490MR 3 244 151 107 108 81 68 46 35 UPS12-540MR 3 258 158 11[...]

UPS Status Messages 97 A PPENDIX A-U P S S TA T U S M ESSAGES Table 39 shows all event messages as they appear in th e current status area of the LCD and in the history log, along with a descrip tion and recommended actions, if an y. For fu rther information on the current status area an d the history log, see 2.11 UPS Status Messages . T able 39 U[...]

UPS Status Messages 98 Bypass Abnormal This alarm is triggered by an inverter softwa re routine when the amplitude or frequency of bypass voltage e xceeds the limit. This alarm automatically resets once th e bypass voltage goes normal. First check whether there are relevant alarms such as “Bypass discon nect open,” “Bypass phase reverse” an[...]

UPS Status Messages 99 Unit Overload The UPS is overloaded when the load arises above 105% nominal rating. The alarm automa tically resets once the overload conditi on is removed. Confirm that the alarm is true by checking the load percent indi cated on the LCD panel to determine which phase is being overloaded. If the alarm is true, measure the ac[...]

UPS Status Messages 100 LBS Active The LBS setting is active. T he UPS is acting as an LBS master or slave in a dual bus configuration. Battery ground fault Battery ground fault from dry contact signal. Co ntact Liebert Services at 800-543-2378 for assistance. Inverter turne d On manually Manual Turn On via front panel Inverter turne d Off manually[...]

UPS Status Messages 101 Balancer Fault Interna l VDC (+) and VDC (-) offset by over 50V exceeding th e inverter DC offset compensation capacity. Inverter shuts down. L oad transfers to bypass. Operation Invalid This record is regist ered followi ng an incorrect operation. Byp. Abnormal Shutdown Both bypass an d inve rter voltages unavailable. Load [...]

UPS Status Messages 102[...]

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