Benutzeranleitung / Produktwartung 40-200KVA des Produzenten Emerson
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AC P ow er For Business-Criti cal C on tinuity™ Li eb er 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii 4.3 External Battery Cabinet Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.3.1 Battery Cabinets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iii 8.0 I NST ALLATION D RAWINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 9.0 O PERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iv 11.10 Battery Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 11.10.1 Battery Undervoltage Pre-W arning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
v Figure 19 Connecting EPO push button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Figure 20 Single inp ut UPS with external Liebert BDC with option al internal transformer—typical configuration .
vi Figure 64 Help screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 Figure 65 Screen saver window . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
vii Table 41 Cable size tightening torque at Liebert NX 80kVA UPS terminals . . . . . . . . . . . . . . . . . . . . . . . 112 Table 42 Cabl e size tighte ning torque at Liebert ® NX ™ 100kV A UPS terminals . . . . . . . . . . . . . . . . . . . 113 Table 43 Cable size tightening torque at Liebert NX 120kVA UPS terminals .
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1 I MPORT ANT S AFETY I NSTRUCTIONS SA VE THESE INSTRUCTIONS This manual co ntains important ins tructions that shoul d be followed during installation of your Liebert ® NX ™ UPS and ancillary equipment. Read this manual thor oughly, paying spe cial attention to the sections that appl y to your installation, before working with the UPS.
2 NOTICE Risk of improper improper electromagneti c shield ing. Can caus e radio communication interference. This unit complies with the limits for a Class A digital device, pursuant to Part 15 Subpart J of the FCC rules. These li mits provide reasona ble protection against ha rmful interference in a commercial environment.
3 Battery Cabinet Precautions The following warning appl ies to all battery ca binets supplied with UPS systems. Addit ional warnings and cautions applicab le to battery cabinets may be found in 4.0 - Battery Installation . WARNING Risk of electric shock.
4 ! CAUTION Risk of replacing battery with an incorrect type. Can caus e property damage injury and death. Dispose of used batteries a ccording to the instructions. When replacing batteries, replace with the same manufacturer and type, or equivalent. See your local Emerson representative for a list of approved batteries.
5 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-re.
Introd uction 6 1.0 I NTRODUCTION The Liebert ® NX ™ Uninterruptible Powe r Supply system provides cont inuous, high-quality AC power to your business-critical equipmen t, such as telecommunicati ons and data processing equipment. The Liebert NX UPS is a SmartAisle ™ technology, appropriate for us e with the SmartAisle design approach.
Installation 7 2.0 I NST A LLATION This section describes the Liebert ® NX ™ environm ental requirements a nd mechanical con siderations that must be taken into accoun t when planning the positioning and cabling of the UPS equipment.
Installation 8 2.2.1 Storing for Del ayed Inst allation If the equipment will not be instal led immediately, it must be stored indoors where the humid ity is no higher than 90% and the temperat ure is no higher than 104°F (40°C). The storage area must protect the Liebert ® NX ™ from excessive moisture (see 6.
Installation 9 Battery Location Batteries must be in stalled in Liebert ® NX ™ 480V batt ery cabinets or battery room. Temperature is a major factor in determining battery life and capacity. Battery manufacturers recommend an operating temperature of 77°F (25° C).
Installation 10 2.6 Mechanical Considerations The Liebert NX is constructed with a steel fram e 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 ter minal blocks and power switches.
Installation 11 2.6.4 Optional Cabinet s The Maintenance Bypass Cabinet must be cabled and bolted to the Liebert NX before the UPS and bypass cabinet are moved into thei r final position. Connect the input wiring to the Maintenance Bypass Cabinet ONLY after the units are connected and positioned.
Installation 12 Figure 2 Cabinet arrang ement—Liebert ® NX ™ UPS, battery ca binet s and Liebert NX byp ass distribution cabinet s Fr ont of U ni ts Li eber t NX Bypass Di st ri buti on Cabi net .
Electrical Connections 13 3.0 E LECTRICAL C ONNECTIONS The UPS requires both power and co ntrol cabling once it has been me chanically 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.
Electrical Connections 14 3.1.2 UPS Input Configuration Figure 3 illustrates the Liebert ® NX ™ in a split bypass (dual-inpu t) configuration. In this configuration, the Static By pass and the Maintena nce Bypass lines are supplied from a separate feed from the Main in put.
Electrical Connections 15 3.1.4 Cable Connections The rectifier input, bypass and output are easily ac cessible from the front of the unit for installation. All require lug type ter minations. They are connected to busbars on the front side of the Liebert ® NX ™ and below the circuit breaker, as shown in Figure 3 .
Electrical Connections 16 3.1.7 Cabling Procedure NOTICE Risk of improper installa tion. Can cause improper op eration and void warranty. The operations described in this sect ion must be performed by authorized electricians or qualified technical person nel.
Electrical Connections 17 Output System Connections—Ensure Correct Phase Rot ation 10. Connect the system output cables between th e UPS output busbars (A-B-C terminals) and the critical load and tighten the connections to 88 lb-i n. (10 N-m) (M8 bolt).
Electrical Connections 18 3.2 Control Cables 3.2.1 Monitor Board Features Based on your site’s specific needs, the UPS may re quire auxiliary connections to manage the battery system (external batte.
Electrical Connections 19 Figure 5 Auxiliary terminal block det ail (Monitoring Board) NOTE: The black square ( ) on each slot indicates Pin 1. J3 J1 J13 J21 J25 J28 J4 J26 J30 J10 J22 J23 J12 J9 .
Electrical Connections 20 3.3 Dry Cont act s The UPS provides input dry contacts and output dry contacts. 3.3.1 Input Dry Cont acts There are several input dry contacts at the X3 slot. Figure 6 Input dry cont acts 3.3.2 Maintenance Byp ass Cabinet Interface J26 and J30 are the MBC interfa ce.
Electrical Connections 21 3.3.3 Battery Circuit Breaker Control Interface J10 is the Battery Circuit Breaker (BCB) box interface. 3.3.4 Output Dry Cont act s There are three output dry contac t relays at the X1 slot (see Figure 7 and Table 4 ).
Electrical Connections 22 3.3.5 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.
Battery Installation 23 4.0 B ATTERY I NST ALLATION 4.1 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.
Battery Installation 24 4.3 External Battery Cabinet Inst allation 4.3.1 Battery Cabinet s Figure 9 Battery cabinet s for Liebert ® NX ™ The same model battery cabinet may be installed in parallel in multiple cabinet striSngs for addi tional capacity.
Battery Installation 25 4.3.2 Connecting the Batteries If the Liebert ® NX ™ battery cabinets are installed on a raised floor, the battery power cabl es and circuit breaker control cables may be routed to the UPS cabinet via the floor of the cabinet (bottom entry).
Battery Installation 26 Figure 1 1 Battery tray and support s 4.3.4 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.
Battery Installation 27 4.5 BCB Shunt T rip The Liebert NX battery cabinet has the shunt trip in stalled in the circuit brea ker. When a D C ground fault (using the optional DC Ground Fault kit), a battery overtemperature or EPO is activated, the shunt trip will open the circuit breaker.
Options 28 5.0 O PTIONS 5.1 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 oper ating on batteries.
Options 29 Figure 13 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.
Options 30 5.2 Configuring Parallel Sbasystem Operation 5.2.1 General The Liebert ® NX ™ uses intelligent and reliab le decentralized technology to achieve para llel operation of two or more modules. The parallel system is used to: • Increase the re liability of the syst em to ensure adequat e power supply to the critical load con- nected.
Options 31 Figure 15 Paralleling cabinet with input and bypas s circuit breakers Figure 16 Paralleling cabinet with input, byp ass and distribution circuit brea kers 480 V, 3W System I npu t 480V, 3W .
Options 32 5.2.3 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 not transfer to bypass.
Options 33 5.3.2 Cabinet Inst allation Parallel system composed of two or mo re UPS modules usin g parallel cabinet The UPS modules that will form the parallel system shou ld be placed side-by-side. Each battery cabinet is pl aced next to its correspo nding UPS modu le.
Options 34 Auxiliary Dry Cont act Cables The external output breake r of each UPS must have Normally Open auxiliary contacts. These contacts must be wired to connector X3 on the Parallel Logic Board (M3).
Options 35 5.3.6 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.
UPS Specifications 36 6.0 UPS S PECIFICATIONS These specificat ions describe requirements for the Liebert ® NX ™ UPS. 6.1 Conformity and St andards The UPS has been designed to co nform to the following standards: • UL Standard 1778 • CSA 22.2, No.
UPS Specifications 37 6.4 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 1-Hole Mechanical 1-Hole; 40 48 60 72 80 M8 54140 ADR35 60 71 89 106.
UPS Specifications 38 6.4.1 Input Rectifier Battery Unit Rating Nominal Discharge Current Maximum Discharge Current OCP Device Rating Bolt Size Maximum Recommended Lug (Thomas & Betts Part #) Comp.
UPS Specifications 39 6.4.2 DC Intermediate Circuit See Table 8 for current ratings. T able 1 1 Liebert-approved replacement batterie s Battery Manufacturer Models Supplied Enersys 12HX205FR 12HX300FR.
UPS Specifications 40 6.4.3 Inverter Output 6.4.4 Byp ass Input T able 13 Inverter output Rated Power kV A 40 60 80 100 120 160 200 Rated voltage, VAC 480 Supply 3-phase, 3-wire plus ground Frequency, Hz 60 (50Hz in frequency converte r mode) Rated Power, kW 36 54 72 90 108 144 180 Three-phase transient overload, min.
Liebert ® BDC ™ 41 7.0 L IEBERT ® BDC ™ The Liebert BDC is designed to operate in UP S mode, bypass mode and maintenance mode. The Liebert BDC off ers either 45kVA or 90kVA ca pacity to match the associated Liebert NX ™ frame offerings.
Liebert ® BDC ™ 42 7.1.1 Byp ass Mode When the Liebert BDC is in B ypass mode, it provid es an alternate path fo r power to the connected equipment.
Liebert ® BDC ™ 43 7.4.3 Input/Output W iring Follow the steps be low to connect the input wiring: 1. Locate the input wiring access (top or bottom a ccess), remove the conduit landing plate and punch the appropriate size hole for the size condui t being used.
Liebert ® BDC ™ 44 Figure 21 Liebert ® BDC conne ction to UPS NOTES 1. All Liebert-supplied cable must b e repositioned pri or to and while the cabinets are be ing placed in their final installe d location. 2. All interconnection hardwa re supplied by Emerson ® .
Liebert ® BDC ™ 45 Figure 22 Liebert BDC c onnection to Liebert ® NX ™ NOTE Install jumper on TB1 pins 4 a nd 5. For startup procedure, see 11.2 - UPS Startup .
Liebert ® BDC ™ 46 T able 17 Circuit breaker schedule - Main circ uit breaker kVa Voltage In Vendor Frame Amps Trip Amps Model Number Interrupting Rating AIC 15 208V ABB 250A 60A T4S060TW-S24 100K .
Liebert ® BDC ™ 47 150 208V ABB 400A 600A T5S600BW-S24 100 K 240V 250A 500 A T5S500BW-S24 100K 380V 250A 300 A T5S300BW-S24 35K 400V 250A 300 A T5S300BW-S24 35K 415V 250A 300 A T5S300BW-S24 35K 480.
Liebert ® BDC ™ 48 T able 20 Subfeed circuit brea ker kVA Voltage In Vendor Type Frame Amps Trip Amps Model Number Interrupting Rating AIC 15-300 208V ABB FIX MTD 250A 1 00A T4N100TW 65K 15-300 208.
Liebert ® BDC ™ 49 7.5 Bolting Cabinet s T ogether 1. Line up cabinets so that mounting holes are aligned. Figure 23 Bolting a Liebert ® NX ™ UPS to a Liebert BDC ™ 2. Using supplied hardware, bolt the cabinets toge ther. The bolts may be in serted from either the UPS side or from the Liebert BDC side, whichever is more convenient.
Liebert ® BDC ™ 50 Figure 24 Outline drawing, Liebert BDC ™ , 47" cabinet NOTES 1. All dimensions are in inches (mm). 2. 18" [457mm] minimum clearance above unit required for air exhaust. 3. Keep cabinets within 15 degrees of vertical. 4.
Installation Drawings 51 8.0 I NST A LLATION D RAWINGS The diagrams in this section illustrate the key mechanical and electrical characteristi cs of the Liebert ® NX ™ UPS System cabinets.
Installation Drawings 52 Figure 26 T erminal det ails, 34" battery power p ack system for Liebert ® NX ™ 480V UPS T able 23 Battery cabinet groun d Unit Rating Bolt Size Torque lb-in (N-m) 80 1/4" (M6) 44 (5) Source: U3819205, Rev.
Installation Drawings 53 Figure 27 Liebert ® NX ™ 80-120 kV A dimensions—front and lef t side T able 25 UPS terminal specifications Unit Rating Utility Configurations Breaker Size, Amps Bolt Shaft Size Torque lb-in (N-m) CB1 CB2 CB3 CB4 CB5 80-120 M8 88 (10) 225 225 225 225 225 Source: U3819611, Rev.
Installation Drawings 54 Figure 28 Liebert ® NX ™ 160- 200kV A dimensions—fr ont and lef t side T able 26 Electrical specificat i ons, Liebert NX 160- 200kV A Rating, kVA Voltage Heat Rejection BTU/hr Cooling Air CFM Input Output 160 480 480 35,90 0 1590 200 480 480 47,00 0 1590 Source: U3819621, Rev.
Installation Drawings 55 Figure 29 Liebert ® NX ™ 160- 200kV A dimensions—fr ont and lef t side 1. All dimensions are in inches [mm]. 2. 24" [610] minimum clearance above unit required for air exhaust and 36" [914] minimum service clearance at front of unit.
Installation Drawings 56 Figure 30 Liebert ® NX ™ 40-120 kV 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 B.
Installation Drawings 57 Figure 31 Liebert ® NX ™ 160-20 0kV A dimensional view—front and lef t side FRON T VIEW LEF T VIEW 1239mm (48.8") 979mm (38.
Installation Drawings 58 Figure 32 Liebert ® NX ™ 160-20 0kV A dimensions 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.
Installation Drawings 59 Figure 33 Liebert ® NX ™ 160-20 0kV A main component s—typical unit Monit or Boa rd Intellislot Communication Por ts Replaceable Air Filte rs Para llel Boar d Input Break.
Installation Drawings 60 Figure 34 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.
Installation Drawings 61 Figure 35 Liebert ® NX ™ 160-20 0kV A cable connec tions 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.
Installation Drawings 62 Figure 36 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.
Installation Drawings 63 Figure 37 T erminal det ails, 33" battery pow er p ack syst em, single ca binet Liebert ® NX ™ NOTES: 1. All dimensi ons are in mil limeters (inc hes). 2. All cables should be routed before bol ting cabi nets togethe r .
Installation Drawings 64 Figure 38 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.
Installation Drawings 65 Figure 39 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 ansform.
Installation Drawings 66 Figure 40 Liebert ® NX ™ 160-20 0kV A UPS to 49" battery cab inet interconnection 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.
Installation Drawings 67 Figure 41 Liebert ® NX ™ 40-120 kV A UPS to 33" battery c abinet 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.
Installation Drawings 68 Figure 42 Outline drawing, Liebert ® 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.
Installation Drawings 69 Figure 43 Outline drawing, Liebert ® 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.
Installation Drawings 70 Figure 44 Liebert ® NX ™ 480V p aralleling cabinet with input a nd byp ass circuit breakers, main component s Fro nt Rear System Output T ie Breaker Kirk - K ey Fuse Discon.
Installation Drawings 71 Figure 45 Liebert ® NX ™ 480V p aralleling cabinet main component s—input, byp ass and distr ibution circuit breaker configurat ion Front With Covers Bypass Ti e Breaker .
Installation Drawings 72 Figure 46 Main compon ent location drawing Liebert ® NX ™ 480V , CB2, CB3, CB4 configurations Syste m Bypa ss Kirk-K ey Fuse Disc onnect System Output Bu sb ar s Ground Bus.
Installation Drawings 73 Figure 47 Liebert ® NX ™ 480V 40-1 20kV A UPS to Paralleling Cabinet Int erconnection—Configurat ion BB0, FB0, KB0 p arallel connection to Liebert NX C1-C4 D E1-E4 B1-B4 .
Installation Drawings 74 Figure 48 Interconnecting deta ils for Liebert ® NX ™ 40- 120kV A UPS to p aralleling cabinet with input, byp ass and dist ribution circuit br eakers FRONT Without Covers R.
Installation Drawings 75 Figure 49 Lineup det a il—Configuration CB2, CB3, CB4 parallel 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 .
Installation Drawings 76 Figure 50 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 .
Operation 77 9.0 O PERATION 9.1 General Description Liebert’s NX provides continuous, high- quality AC po wer to your business-criti cal equipment, such as telecommunications and data proc essing equipment.
Operation 78 9.1.1 Byp ass Supplies The Liebert ® NX ™ contains an electron ically controlled swit ching circuit that enabl es the critical load to be connected to either the inverte r output or to a bypass power source via the static bypass line.
Operation 79 Maintenance Mode For maintenance or repair, the Liebert ® NX ™ may be operated in maintenance mode. To place the Liebert NX in maintenance mode, th e load must be transferred to bypass and the inverter must be turned off.
Operator Control an d Display Panel 80 10.0 O PERATOR C ONTROL AND D ISPLAY P ANEL 10.1 Operator C ontrol Panel The control panel and LCD on the front of the Liebert ® NX ™ lets the operator: • t.
Operator Control an d Display Panel 81 10.2 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 54 .
Operator Control an d Display Panel 82 10.3 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 55 .
Operator Control an d Display Panel 83 10.4 Audible Buzzer The buzzer produces three types of sounds: • Single beep - when any control button is pressed • Single beep repeating every two seconds -.
Operator Control an d Display Panel 84 10.6 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 information about the Liebert ® NX ™ . Navigation key icons on the LCD appear abov e each key to indicate its operation (see Table 29 ).
Operator Control an d Display Panel 85 10.8 LCD Menus and Dat a Items The LCD menus provide access to th e follow ing categories of i nformation and settings for the UPS. Selecting a menu changes the info rmation displaye d in the UPS data items portion of the LCD.
Operator Control an d Display Panel 86 Figure 58 Menu tree T able 31 Descriptions of UPS menus and dat a window items Menu Type Item Type Explanation Mains (input) L-N current (A) Phase current Freque.
Operator Control an d Display Panel 87 System Sout (kVA) Sout: Apparent power Pout (kW) Pout: Active power Qout (kVAR) Qout: Reactive power Single unit, no parall el data When configured as a sing le unit, UPS has only native load, no system load.
Operator Control an d Display Panel 88 10.9 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).
Operator Control an d Display Panel 89 Figure 60 Set date and time ? La nguage S e tti ng Date form a t LCD c ontra st Date & T im e M/D/Y D /M/Y 2007 - 01- 12 Com m an d Y/M /D Y/M /D 12: 30: 36 .
Operator Control an d Display Panel 90 10.1 1 UPS St atus Messages The Liebert ® NX ™ displays status changes as they occur in the curr ent status window of the LCD , then stores that data in the history log , as shown in Figure 61 .
Operator Control an d Display Panel 91 10.12 T ypes of LCD Screen s This section provides a qui ck guide to the main types of LCD screens. 10.12.1Opening Display As the UPS be gins powe ring up, the opening displa y appears, a s shown in Figure 62 . Figure 62 Opening display 10.
Operator Control an d Display Panel 92 10.12.3UPS Help Screen Press the HELP key below the LCD to di splay the Help w indow shown in Figure 64 . (Press the HELP key again to exit the Help window.
Operator Control an d Display Panel 93 10.13 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.
Operating Instru ctions 94 11 . 0 O PERATING I NSTRUCTIONS 1 1.1 Liebert ® NX ™ Operating Modes The Liebert NX can operate in an y of four modes, as shown in Table 32 . 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.
Operating Instru ctions 95 1 1.1.1 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 66 . Figure 66 Circuit breakers The UPS unit circuit breakers are CB1, CB2, CB3 and CB5.
Operating Instru ctions 96 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.
Operating Instru ctions 97 1 1.2.2 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.
Operating Instru ctions 98 1 1.3 Partially De-Energize the Liebert Nx 480 with Internal Maintenance Bypass Follow the procedure below to transfer the load from the inverter output to the internal Maintenance Bypass line of the UPS. NOTICE Risk of improper operation.
Operating Instru ctions 99 1 1.4 Partially De-Energize th e Liebert Nx 480 with Byp ass Distribution Cabinet (BDC) Follow the procedure below to transfer the load from the UPS inverter ou tput to the Maintenance Bypass line of the UPS. To partially de-en ergize Liebert NX 480V UPS with Liebert BDC: NOTICE Risk of load being dropped b y the UPS.
Operating Instru ctions 100 1 1.5 De-Energize the Liebert Nx 480 wi th Byp ass Distribution Cabinet (BDC) To de-energize the Liebert NX 480V UP S w/ BDC: 1. On the Control Panel, press the INVERTER OFF button for 2 seconds. 2. Close CB3 Maintena nce Bypass Breaker 3.
Operating Instru ctions 101 13. Close the CB5 Output Breaker. 14. Close the exte rnal battery breaker(s). 15. Verify the Battery Alarm LED extinguishes. 16. Open theCB3 Maintena nce Bypass Breaker. 17. On the Control Panel, p ress the INVERTER ON button for 2 seconds.
Operating Instru ctions 102 After the EPO button is pr essed, if the input util ity is removed, the UPS wi ll shut down completely . When input util ity is returned, if the Bypass in put circuit breaker (CB2) and UPS output circuit breaker (CB5) are closed, the UPS will start up on Bypass.
Operating Instru ctions 103 Figure 67 T ypical p arallel system block diagram with common input supply , with separate batteries and optional output / by p ass distribution p anel NOTE All equipment servicing procedures must be carried out only by trained personnel.
Operating Instru ctions 104 1 1.1 1.2 Inserting One Module into a Multi-Module 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.
Operating Instru ctions 105 1 1.1 1.3 Shutdown Procedure—Co mplete 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.
Options 106 12.0 O PTIONS Several items of optional equipment are available for connect ion to the Liebert ® NX ™ UPS. 12.1 Communication and Other User T erminals The UPS can be integrated into ad.
Options 107 12.1.4 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.
Options 108 Figure 69 Liebert ® IntelliSlot ™ W eb card display Relay Card The relay card provides voltage-free contact closures for remote monitoring of alarm conditions.
Options 109 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 .
Specifications and Technical Data 110 13.0 S PECIFICATIONS AND T ECHNICAL D AT A 13.1 Lug Size and T orque Requirement s Use commercially available solderless lugs for the wi re siz e required for yo ur application. Refer to Table 34 . Connect wire to the lug using tools and pr ocedure s specified by the lug manufacturer.
Specifications and Technical Data 111 13.2 Cable Lengths: Floor to Connection Point Inside UPS To help calcula te the total cable l ength required, refer to Table 36 for the di stance from the floo r to selected connection poin ts inside the Liebert ® NX ™ .
Specifications and Technical Data 112 13.3 Cable size and tightening torques T able 38 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.
Specifications and Technical Data 113 T able 42 Cable size tightening torque at Liebert ® NX ™ 100kV A UPS terminals Bus Type Cable Size (Copper Wire Only) Torque to Tighten Terminal Bus & Lug .
Specifications and Technical Data 114 13.4 Battery Run Times T able 47 Enersys batter y run times in minutes External Battery Cabinet Softscale Range Scalable to 80kVA Scalable to 120kVA Scalable to 2.
Specifications and Technical Data 115 T able 48 C&D Dynasty battery run times in minutes External Battery Cabinet Softscale Range Scalable to 80kVA Scalable to 120kVA Scalable to 200kVA Rated Outp.
Specifications and Technical Data 116.
UPS Status Messages 117 A PPENDIX A-U P S S TA T U S M ESSAGES Table 49 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.
UPS Status Messages 118 Bypass Abnormal This alarm is triggered by an inverter softwa re routine when the amplitude or frequency of bypass voltage e xceeds the limit.
UPS Status Messages 119 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.
UPS Status Messages 120 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 d ry contact signal. Contact Liebert Services at 800-543-2378 for assistance.
UPS Status Messages 121 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 following an inco rrect operation.
Ensuring The Hi gh Av ailabi lit y Of Mission-Critic al Data An d Appli c ations. Emerson Net work P ower , a business of Emer son (NYSE:EMR), is the global leader in enabling Business-Critic al Continuity ™ from grid to chip f or telecommunication networks, data centers, health care and industrial facilities.
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