Liebert® NX™ UPS User Manual–40-200kVA, 480V, 60Hz
TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 GLOSSARY OF SYMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 2.0 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.3 External Battery Cabinet Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.3.1 4.3.2 4.3.3 4.3.4 Battery Cabinets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting the Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.0 9.0 INSTALLATION DRAWINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77 9.1 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 9.1.1 9.1.2 Bypass Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11.10 Battery Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 11.10.1 Battery Undervoltage Pre-Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 11.10.2 Battery End-of-Discharge (EOD) Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 11.11 Multi-Module System Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 19 Connecting EPO push button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 20 Single input UPS with external Liebert BDC with optional internal transformer—typical configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 21 Liebert BDC connection to UPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 64 Figure 65 Figure 66 Figure 67 Figure 68 Figure 69 Figure 70 Figure 71 Help screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 Screen saver window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 Circuit breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 41 Table 42 Table 43 Table 44 Table 45 Table 46 Table 47 Table 48 Table 49 Cable size tightening torque at Liebert NX 80kVA UPS terminals. . . . . . . . . . . . . . . . . . . . . . . Cable size tightening torque at Liebert NX 100kVA UPS terminals. . . . . . . . . . . . . . . . . . . . . . Cable size tightening torque at Liebert NX 120kVA UPS terminals. . . . . . . . . . . . . . . . . . . . . . Cable size tightening torque at Liebert NX 160kVA UPS terminals. . . . . . . . . . . . . . . . . . . . . .
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IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions that should be followed during installation of your Liebert NX UPS and ancillary equipment. 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. ! WARNING Risk of heavy unit tipping over. Can cause property damage, injury and death.
! WARNING Risk of electric shock. Can cause injury and death. 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 batteries. Observe all safety precautions in this manual before handling or installing the UPS system.
Battery Cabinet Precautions The following warning applies to all battery cabinets supplied with UPS systems. Additional warnings and cautions applicable to battery cabinets may be found in 4.0 - Battery Installation. WARNING Risk of electric shock. Can cause injury, property damage and death. Special care should be taken when working with the batteries associated with this equipment. Batteries are always live. Battery terminal voltage will exceed 480VDC and is potentially lethal.
! CAUTION Risk of replacing battery with an incorrect type. Can cause property damage injury and death. Dispose of used batteries according 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.
GLOSSARY OF SYMBOLS Risk of electrical shock ! Indicates caution followed by important instructions AC input AC output i - Requests the user to consult the manual + Indicates the unit contains a valve-regulated lead acid battery PbH2SO4 R Recycle DC voltage Equipment grounding conductor Bonded to ground AC voltage Liebert® NX™ 5
Introduction 1.0 INTRODUCTION The Liebert NX Uninterruptible Power Supply system provides continuous, high-quality AC power to your business-critical equipment, such as telecommunications and data processing equipment. The Liebert NX UPS is a SmartAisle™ technology, appropriate for use with the SmartAisle design approach. The Liebert NX supplies power that is free of the disturbances and variations in voltage and frequency common to utility power, which is subject to brownouts, blackouts, surges and sags.
Installation 2.0 INSTALLATION This section describes the Liebert NX environmental requirements and mechanical considerations that must be taken into account when planning the positioning and cabling of the UPS equipment. Because every site is unique, this section presents a guide to general procedures and practices that should be observed by the installing engineer, rather than step-by-step installation instructions.
Installation 2.2.1 Storing for Delayed Installation If the equipment will not be installed immediately, it must be stored indoors where the humidity is no higher than 90% and the temperature is no higher than 104°F (40°C). The storage area must protect the Liebert NX from excessive moisture (see 6.2 - UPS Environmental). NOTE If the battery cabinet must remain disconnected from power for more than six (6) months, the battery must be recharged before use.
Installation Battery Location Batteries must be installed in Liebert NX 480V battery 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). Ambient temperatures higher than this reduce battery life; temperatures lower than this reduce battery capacity. In a typical installation, battery temperature should be maintained between 74°F and 80°F (23-27°C).
Installation 2.6 Mechanical Considerations The Liebert 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 terminal blocks and power switches. The UPS comes with an operator control panel, which provides basic operational status and alarm information. Cooling is provided by internal fans. The unit sits on four casters.
Installation 2.6.4 Optional Cabinets The Maintenance Bypass Cabinet must be cabled and bolted to the Liebert NX before the UPS and bypass cabinet are moved into their final position. Connect the input wiring to the Maintenance Bypass Cabinet ONLY after the units are connected and positioned. Battery cabinets may be bolted to either side of the Liebert NX; see Figure 1.
Installation Figure 2 Cabinet arrangement—Liebert NX UPS, battery cabinets and Liebert NX bypass distribution cabinets Battery Cabinet Liebert NX UPS Liebert NX Bypass Distribution Cabinet Front of Units Battery Cabinet Battery Cabinet Battery Cabinet Liebert NX UPS Liebert NX Bypass Distribution Cabinet Front of Units 12 Liebert® NX™
Electrical Connections 3.0 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 are electrically bonded to the metalwork of the cabinets to which they are connected. ! WARNING Risk of electrical shock. Can cause injury and death.
Electrical Connections 3.1.2 UPS Input Configuration Figure 3 illustrates the Liebert NX in 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).
Electrical Connections 3.1.4 Cable Connections The rectifier input, bypass and output are easily accessible from the front of the unit for installation. All require lug type terminations. They are connected to busbars on the front side of the Liebert NX and below the circuit breaker, as shown in Figure 3. These busbars are accessible when the front side panel is removed. Busbars to connect external batteries are accessible from the front of the UPS.
Electrical Connections 3.1.7 Cabling Procedure NOTICE Risk of improper installation. Can cause improper operation and void warranty. The operations described in this section must be performed by authorized electricians or qualified technical personnel. If you have any difficulties, contact your local Emerson representative or Emerson Network Power Liebert Services. NOTE Hydraulic pressure pliers, combinative tools and piston ring pliers should be used to connect AC wiring.
Electrical Connections NOTE Both the rectifier and bypass feeds must come from the same utility source. The UPS can be powered from separate sources provided all the following conditions are met: 1. The transformers are delta/wye isolation transformers where the wye secondary’s are connected to the NX 480V UPS. 2. The individual transformer used to supply the Bypass of the NX 480V is solidly bonded to earth ground at the transformer. 3.
Electrical Connections 3.2 Control Cables 3.2.1 Monitor Board Features Based on your site’s specific needs, the UPS may require 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 Emergency Power Off (REPO). The monitor board, arranged for this purpose, is located on the rear of the operator access door.
Electrical Connections Figure 5 Auxiliary terminal block detail (Monitoring Board) J8 J3 J1 LCD J22 X7 J23 X6 J12 J9 J2 J15 PWR MODEM SNMP CARD X5 J16 J17 Liebert IntelliSlot 2 J13 J21 J25 J28 J4 Liebert IntelliSlot 1 J26 J30 J10 X4 X4 J24 Liebert IntelliSlot 3 BFP INV ACF X1 Liebert® NX™ EPO X2 Dry in MBC BCB NOTE: The black square () on each slot indicates Pin 1.
Electrical Connections 3.3 Dry Contacts 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. 3.3.1 Input Dry Contacts There are several input dry contacts at the X3 slot.
Electrical Connections 3.3.3 Battery Circuit Breaker Control Interface J10 is the Battery Circuit Breaker (BCB) box interface. Table 3 BCB control interface Position Name Description J10.1 DRV BCB Driver Signal J10.2 FB BCB Contact State J10.3 GND J10.4 OL Power Ground 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.
Electrical Connections 3.3.5 EPO Input—Optional 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 local EPO button is under a hinged, clear plastic shield. The X2 slot, shown in Figure 8, is the remote EPO input interface. The EPO has a NO/NC contact point that becomes active when shorting terminals X2: 3 and 4 or open terminal connection X2: 2 and 1.
Battery Installation 4.0 BATTERY INSTALLATION 4.1 Introduction 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 Emerson representative for a list of approved batteries. 4.
Battery Installation 4.3 External Battery Cabinet Installation 4.3.1 Battery Cabinets Figure 9 Battery cabinets for Liebert NX Top Cable Entry BCB Plate and BCB Optional Alber BDSi Data Collection/Load Module Optional Alber BDSi Controller Module Battery Trays Liebert 49" Battery Cabinet Liebert 33" Battery Cabinet The same model battery cabinet may be installed in parallel in multiple cabinet striSngs for additional capacity.
Battery Installation 4.3.2 Connecting the Batteries If the Liebert 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 Liebert 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.
Battery Installation Figure 11 Battery tray and supports Slot in support secured by screw-in connector at corner of battery tray... 4.3.4 ... and notched end of support slips into slot at top corner of battery compartment Connecting the Battery Cabinet to the UPS 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. 1.
Battery Installation 4.5 BCB Shunt Trip The Liebert NX battery cabinet has the shunt trip installed in the circuit breaker. When a DC ground fault (using the optional DC Ground Fault kit), a battery overtemperature or EPO is activated, the shunt trip will open the circuit breaker. NOTE The Liebert NX battery Cabinet circuit breaker will not open at the end of a battery discharge. The UPS will isolate the batteries internally in this situation. 4.
Options 5.0 OPTIONS 5.1 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 is designated as master, the other as slave.
Options Figure 13 Load Bus Synchronization cable connection with multi-module systems UPS 8 X2-1 X2-2 X1-1 X1-2 P4 X1-2 X2-1 P1 P2 P1 X1-1 X1-2 X4 P3 X2-2 P1 LBS Cable DBS Cable P4 X1-1 P3 X1-2 X2-1 Parallel Board X3 P5 X4 P4 X2-2 P2 P1 X2-1 P4 P2 P3 X1-1 X4 P2 X4 X2-2 Parallel Board X3 P5 Parallel Board X3 P5 P3 Parallel Board X3 P5 UPS 8 Parallel System I A Parallel System II B The LBS function is activated with configuration software; when the LBS takes effec
Options 5.2 Configuring Parallel Sbasystem Operation 5.2.1 General The Liebert NX uses intelligent and reliable decentralized technology to achieve parallel operation of two or more modules. The parallel system is used to: • Increase the reliability of the system to ensure adequate power supply to the critical load connected.
Options Figure 15 Paralleling cabinet with input and bypass circuit breakers 480V, 3W System Input 480V, 3W System Output MBB Liebert NX UPS (40-200kVA) MOB Bypass Static Switch AC RIB 1 DC DC IOB 1 AC DC DC 480V DC Battery Input RIB = Rectifier Input Breaker IOB = Inverter Output Breaker MBB = Maintenance Bypass Breaker MIB = Maintenance Isolation Breaker LDB = Load Distribution Breaker RIB 2 UPS Module 2 IOB 2 RIB 3 UPS Module 3 IOB 3 RIB 4 UPS Module 4 IOB 4 Figure 16 Paralleling
Options 5.2.3 Operating Principles Redundancy Paralleling The 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. 5.
Options 5.3.2 Cabinet Installation Parallel system composed of two or more UPS modules using parallel cabinet The UPS modules that will form the parallel 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. 5.3.3 Preliminary Checks Each UPS module should have the same firmware and the same hardware version. Refer to the instructions in 5.3.1 - Conditions for Parallel System. 5.3.
Options Auxiliary Dry Contact Cables The external output breaker of each UPS must have Normally Open auxiliary contacts. These contacts must be wired to connector X3 on the Parallel Logic Board (M3). See Figure 18. :X T M IAN T X2 2 P2 X2 1 P1 DBS X3 485485+ Figure 18 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, 11.2 - UPS Startup.
Options 5.3.6 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 is provided for each unit.
UPS Specifications 6.0 UPS SPECIFICATIONS These specifications describe requirements for the Liebert NX UPS. 6.1 Conformity and Standards The UPS has been designed to conform to the following standards: • UL Standard 1778 • CSA 22.2, No. 107.1 • FCC Part 15, Class A • IEC 61000-4-5 • National Electrical Code (NFPA-70) • NEMA PE-1 • ISTA_1H The UPS shall be UL and cUL listed per UL Standard 1778. 6.
UPS Specifications 6.
UPS Specifications Table 8 UPS terminal (continued) Battery Maximum Recommended Lug (Thomas & Betts Part #) Unit Rating Nominal Discharge Current Maximum Discharge Current OCP Device Rating Bolt Size Compression One-Hole; 3/8" bolt 40 60 80 100 120 160 200 82 at 480VDC 122 at 480VDC 163 at 480VDC 204 at 480VDC 244 at 480VDC 367 at 480VDC 408 at 480VDC 103 at 384VDC 155 at 384VDC 206 at 384VDC 258 at 384VDC 309 at 384VDC 412 at 384VDC 515 at 400VDC 125 175 225 300 350 450 600 M8 M8 M8 M8 M8 M10
UPS Specifications Table 11 Liebert-approved replacement batteries Battery Manufacturer Models Supplied 12HX205FR 12HX300FR Enersys 12HX330FR 12HX400RF 12HX505FR 45HR2000 24HR3000 East Penn 27HR3500 31HR4000 31HR5000 UPS12-100MR UPS12-150MR UPS12-210MR C&D UPS12-300MR UPS12-400MR UPS12-490MR UPS12-540MR 6.4.2 DC Intermediate Circuit Table 12 DC intermediate circuit Rated Power kVA 40 Recommended number of lead-acid batteries 60 80 100 2.4VDC * Recommended end of discharge voltage 1.
UPS Specifications 6.4.3 Inverter Output Table 13 Inverter output 40 Rated Power kVA 60 80 Rated voltage, VAC 100 120 160 200 144 180 480 Supply 3-phase, 3-wire plus ground Frequency, Hz 60 (50Hz in frequency converter mode) Rated Power, kW 36 54 72 90 108 Three-phase transient overload, min.
Liebert BDC™ LIEBERT BDC™ 7.0 The Liebert BDC is designed to operate in UPS mode, bypass mode and maintenance mode. The Liebert BDC offers either 45kVA or 90kVA capacity to match the associated Liebert NX™ frame offerings. Each of the Liebert BDC capacities offer optional 480V and 600V internal transformers as well as multiple output distribution selections.
Liebert BDC™ 7.1.1 Bypass Mode When the Liebert BDC is in 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. 7.
Liebert BDC™ 7.4.3 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 right of the UPS. 1. Locate the input wiring access (top or bottom access), remove the conduit landing plate and punch the appropriate size hole for the size conduit being used. Pull the three/four input wires through it, allowing some slack for installation.
Liebert BDC™ Figure 21 Liebert BDC connection to UPS NOTES 1. All Liebert-supplied cable must be repositioned prior to and while the cabinets are being placed in their final installed location. 2. All interconnection hardware supplied by Emerson®. 3. AC connections must be made to the UPS module before attaching Liebert BDC to UPS module. 4. All cabling will be field-supplied when a Liebert BDC is configured as a stand-alone cabinet. 5. Liebert BDCs must attach to the right side only of the Liebert NX™.
Liebert® NX™ H3 H2 H1 45 X0 X3 X2 W564 W574 Isolation Transformer Output Voltage 208/120 220/127 Table 1 Isolation Transformer X1 W571 Black T2 Transformer Tap Location 208V (Yellow) 240V (Red) Fuse 6 1/2 Amp 600 Volt Fuse 1 1/2 Amp 600 Volt W563 Inverter Bus Output Switch inhibited When Circuit Is Closed Red Black 7 4 A TB2-1 TB2-2 TB2-3 TB2-4 8 5 2 K1 3 Amp Inline Fuse Provided With T2 Transformer W571 J21-INV_S To Parallel Board X3-1-EXT-MAINT To Parallel Board X3-2-GND2
Liebert BDC™ Table 17 kVa 15 Circuit breaker schedule - Main circuit breaker Frame Amps Trip Amps Model Number Interrupting Rating AIC 208V 250A 60A T4S060TW-S24 100K 240V 250A 50A T4S050TW-S24 100K 380V 250A 30A T4S030TW-S24 35K 250A 30A T4S030TW-S24 35K 415V 250A 30A T4S030TW-S24 35K 480V 250A 25A T4S025TW-S24 35K 600V 250A 20A T4S020TW-S24 25K 208V 400A 110A T4S110TW-S24 100K 240V 400A 100A T4S100TW-S24 100K 250A 60A T4S060TW-S24 35K 250A 60A T4S06
Liebert BDC™ Table 17 kVa Circuit breaker schedule - Main circuit breaker (continued) Frame Amps Trip Amps Model Number Interrupting Rating AIC 208V 400A 600A T5S600BW-S24 100K 240V 250A 500A T5S500BW-S24 100K 250A 300A T5S300BW-S24 35K 250A 300A T5S300BW-S24 35K 415V 250A 300A T5S300BW-S24 35K 480V 250A 250A T4S250TW-S24 35K 600V 250A 200A T4S200TW-S24 25K 380V 400A 400A T5S450BW-S24 35K 400V 400V 400A T5S400BW-S24 35K 400A 400A T5S400BW-S24 35K 480V 40
Liebert BDC™ Table 20 Subfeed circuit breaker kVA Voltage In Vendor Type Frame Amps Trip Amps Model Number Interrupting Rating AIC 15-300 208V ABB FIX MTD 250A 100A T4N100TW 65K 15-300 208V ABB FIX MTD 250A 125A T4N125TW 65K 15-300 208V ABB FIX MTD 250A 150A T4N150TW 65K 15-300 208V ABB FIX MTD 250A 175A T4N175TW 65K 15-300 208V ABB FIX MTD 250A 200A T4N200TW 65K 15-300 208V ABB FIX MTD 250A 225A T4N225TW 65K 15-300 208V ABB FIX MTD 250A 250A
Liebert BDC™ 7.5 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. Figure 23 Bolting a Liebert NXUPS to a Liebert BDC™ Output Cable Plate (See Note 4) Air Exhaust 39.5" (1003mm) 38.6" (980mm) Including Hinge and Bezel Projection Control Wires Input Wires TOP VIEW 23.5" (597mm) 78.7? (2000mm) Cable Pass-Through Area RIGHT SIDE VIEW REAR VIEW Right Side Output Cable Entry Area 9.5 x 6.
Liebert BDC™ Figure 24 Outline drawing, Liebert BDC™, 47" cabinet 47" (1194mm) R 25.3" (643mm) x 180° Door Swing° R 25.3" (643mm) x 180° Door Swing° Output Conduit Plates 11.9" x 15.7" (302 x 400mm) See Note 4 Input Conduit Plates 5" x 8.5" (127 x 216mm) 36.4" (925mm) 33.8" (859mm) Input Conduit Plates 5" x 8.5" (127 x 216mm) 6" (152mm) R 25.3" (643mm) x 180° Door Swing° Control Wiring Holes 2-1/2" (64mm) R 25.
Installation Drawings 8.0 INSTALLATION DRAWINGS The diagrams in this section illustrate the key mechanical and electrical characteristics of the Liebert NX UPS System cabinets. Figure 25 Outline drawing, Liebert NX 40-120kVA Power Cable Entry 3.7 x 22.8 (94x 580) 25.5 (648) 23.6 (600) SIDE VIEW FRONT 78.7 (2000) Center of Gravity TOP VIEW Display Center of Gravity 33.1 (842) Detail A FRONT 20.3 (515) FRONT 40.9 (1040) 15.4 (390) 1.6 (40) FRONT VIEW 20.9 (530) BOTTOM VIEW Outer Panel 1.
Installation Drawings Figure 26 Terminal details, 34" battery power pack system for Liebert NX 480V UPS PCB See Detail B Transformer for Alber monitoring system (optional) Fuse input Alber monitoring system (optional) Terminal Block Aux. Contacts TOP VIEW Without Protecting Plates DETAIL B 2.3 (59) (-) Negative Ø 0.4 (9) 1.2 (30) 1.2 (30) 30 (76) GND Busbar See Detail A See Detail C (+) Positive DETAIL C DETAIL A 1. All dimensions are in inches [mm]. 2.
Installation Drawings Figure 27 Liebert NX 80-120kVA dimensions—front and left side Table 25 UPS terminal specifications Utility Configurations Breaker Size, Amps Unit Rating 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 Figure 28 Liebert NX 160-200kVA dimensions—front and left side 39.0 (990) to Display 38.5 (978) 48.9 (1242) 61.9 (1573) Power Cable Entry 14 x 13 (355x330) Low Voltage Entry 5.1 x 3.9 (130x100) 78.7 (2000) 2.7 (68) Front Frame .9 (23) Outside Frame .8 (19) Front Frame .4 (10) Outside Frame TOP VIEW (Door Open) DETAIL A FRONT 5.0 (127) Typ RIGHT SIDE 38.9 (987) See Detail A REAR To Centers of Caster Brkt. Typ 1.6 (41) Outside Frame Typ 1.
Installation Drawings Figure 29 Liebert NX 160-200kVA dimensions—front and left side Ø .39 (10) Typ DC Bus Ground Bus 1 (25) Typ 5.9 (150) 20.3 (516) 10.6 (268) 10.1 (258) 1.6 (40) 8 (203) Typ LOWER FRONT RIGHT SIDE FRONT Output Bypass Input Bus Bus (Dual Input) See Detail A See Detail A Main Input Bus See Detail A DETAIL A Input/Output/Bypass Right Front Corner Post Not Shown Ø .39 (10) Typ 1 (25) Typ GROUND BUS BOTTOM CABLE ENTRY 3.9 (100) Access Plate Height Rear BOTTOM VIEW 1.
Installation Drawings Figure 30 Liebert NX 40-120kVA main components—typical unit Parallel Board Monitor Board Intellislot Communication Ports Input Breaker (CB1) Bypass Breaker (CB2) Replaceable Air Filters Maintenance Bypass Breaker (CB3) Output Breaker (CB5) CB1 DC Bus CB2 CB3 CB5 Output Bus Main Input GND Bypass Bus Input Bus FRONT VIEW (Dual Input) (door open) 56 Liebert® NX™
Installation Drawings Figure 31 Liebert NX 160-200kVA dimensional view—front and left side 1239mm (48.8") 979mm (38.5") 2000mm (78.7") 1000mm (39.4") 610mm (24") 590mm 23.
Installation Drawings Figure 32 Liebert NX 160-200kVA dimensions continued—top and bottom view 1239mm (48.77") 1110mm (43.72") 972mm (38.28") 842mm (33.14") 355mm (13.99") 1239mm (48.77" A 330mm (12.
Installation Drawings Figure 33 Liebert NX 160-200kVA main components—typical unit Parallel Board Monitor Board Intellislot Communication Ports Input Breaker (CB1) Replaceable Air Filters Bypass Breaker (CB2) Maintenance Bypass Breaker (CB3) Output Breaker (CB5) DC Bus Liebert® NX™ Main Input Bus Bypass Output Input Bus Bus 59 Ground
Installation Drawings Figure 34 Liebert NX 40-120kVA cable connections NOTES 600 (23.6") 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 run in separate conduit. 4. Aluminum and copper-clad aluminum cables are not recommended. 5.
Installation Drawings Figure 35 Liebert NX 160-200kVA cable connections 65mm (2.56") FRONT VIEW (door removed) A DC Bus 224mm (8.83") Main Input Bus O 10mm (0.394") 80mm (3.15") Liebert® NX™ Bypass Input Bus (Dual Input) 61 80mm (3.15") Output Bus DETAIL A 80mm (3.
Installation Drawings Figure 36 Outline drawing, 33" battery power pack system, single cabinet 169.5 (6.7) 896.6 (35.3) 609.3 (24) 372.7 (14.7) 26.8 (1.1) 172.1 (6.8) 474.3 575.9 (18.7) (22.7) 322.9 (12.7) 322.9 (12.7) 779.1 (30.7) 872.2 (34.3) Bottom (Viewed From Below) Max. Door Swing: 120° Top (Viewed From Above) 845 (33.2) 965 (38) 418.9 (16.5) 490.3 (19.3) Center of Gravity Center of Gravity 2000 (78.7) Leveling Feet (See Note #9) 683 (26.9) Right Side Front (Without Door) 1.
Installation Drawings Figure 37 Terminal details, 33" battery power pack system, single cabinet Liebert NX 59 (2.32) PCB (-) Negative Transformer For Alber Monitoring System (Optional) 9 (0.30) 76.2 (3) Fused Input for Alber Monitoring System (Optional) Terminal Block Aux. Contacts DETAIL B B (+) Positive A Top (Without Protective Plates) NOTES: 1. All dimensions are in millimeters (inches). 2. All cables should be routed before bolting cabinets togethe r. 3.
Installation Drawings Figure 38 Outline drawing, 49" battery power pack system, single cabinet 974mm (38.3") 1240mm (48.8) 1997mm (78.6") 868.7mm (34.2") 485.3mm (19.1") A 481.1mm (18.94") Cable Entry Panel 190x290mm (7.2x11.4") typ. 2 188mm (7.4")typ. 183mm (7.2) Outside Frame 271mm (10.7") Front Frame 323mm (12.7") typ. 296mm (11.7") Outside Frame Cable Entry Panel 190x290mm (7.2x11.4") typ. 2 Rear 482mm (19.0") typ. SECTION A-A (Plan View) 98mm (3.
Installation Drawings Figure 39 Terminal details, 49" battery power pack system Negative (-) A Positive Ground Detail A PCB Positive (+) Transformer for Alber Monitoring System (Optional) Terminal Block / Aux Contacts B Top View (without BCB Cover Plate) Liebert® NX™ Detail B 65 Fused Input for Alber Monitoring System (Optional)
Installation Drawings Figure 40 Liebert NX 160-200kVA UPS to 49" battery cabinet interconnection C A C D A NX 160-200KVA UPS Module Front View B C D B D 49" Battery Cabinet Right-Side Views NOTES: 1. All cables must be repositioned prior to and while setting the cabinets in their installed location. 2. Refer to the individual drawing of each piece of equipment for additional details.
Installation Drawings Figure 41 Liebert NX 40-120kVA UPS to 33" battery cabinet interconnection NOTES: 1. All cables must be repositioned prior to and while setting the cabinets in their installed location. 2. Refer to the individual drawing of each piece of equipment for additional details.
Installation Drawings Figure 42 Outline drawing, Liebert NX 480V 33" parallel cabinet 845 (33.2) 965 (38) 2000 (78.7) Top Front Right Side NOTE: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. All dimensions are in millimeters (in). Eight-inch minimum clearance above unit required for air exhaust. Keep cabinet within 15 degrees of vertical while handling. Top and bottom cable entry available through removable access plates. Remove access plate, punch to suit conduit size and replace. Color - black.
Installation Drawings Figure 43 Outline drawing, Liebert NX 480V 49" parallel cabinet 1240 (48.8) 965 (38) 2000 (78.7) Top Right Side Front NOTE: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. All dimensions are in millimeters (in). Eight-inch minimum clearance above unit required for air exhaust. Keep cabinet within 15 degrees of vertical while handling. Top and bottom cable entry available through removable access plates. Remove access plate punch to suit conduit size and replace. Color - black.
Installation Drawings Figure 44 Liebert NX 480V paralleling cabinet with input and bypass circuit breakers, main components System Input System Output Tie Breaker UPS Output Breaker UPS Input Breakers Kirk - Key Fuse Disconnect Ground Busbar System Bypass Tie Breaker Rear Front 70 System Output Busbar Liebert® NX™
Installation Drawings Figure 45 Liebert NX 480V paralleling cabinet main components—input, bypass and distribution circuit breaker configuration System Input UPS Input Ground Bus Bypass Tie Breaker Front With Covers Front Without Covers Output Distribution Bypass Tie Breaker Rear Without Covers Rear With Covers Liebert® NX™ 71 UPS Output
Installation Drawings Figure 46 Main component location drawing Liebert NX 480V, CB2, CB3, CB4 configurations System Bypass UPS Output Breakers Kirk-Key Fuse Disconnect Ground Busbar FRONT 72 System Output Busbars Liebert® NX™
Installation Drawings Figure 47 Liebert NX 480V 40-120kVA UPS to Paralleling Cabinet Interconnection—Configuration BB0, FB0, KB0 parallel connection to Liebert NX G1-G4 H1-H4 A B1-B4 G1-G4 H1-H4 FRONT Without Covers C1-C4 B1-B4 FRONT Door Open C1-C4 E1-E4 F D REAR Without Covers Liebert® NX™ E1-E4 Run From To Conductors A Utility Source Parallel Cabinet Ph A, B, C - System Input B1-B4 Parallel Cabinet UPS #1-UPS #4 Module AC Input Ph A, B, C - UPS Inputs C1-C4 UPS #1-UPS #4 Module
Installation Drawings Figure 48 Interconnecting details for Liebert NX 40-120kVA UPS to paralleling cabinet with input, bypass and distribution circuit breakers A G1-G4, H1-H4 B1-B4 E1-E4, F G1-G4, H1-H4 FRONT Without Covers D B1-B4 E1-E4 C1-C4 FRONT With Door Open C1-C4 REAR Without Covers Run From To Conductors A Utility Source Parallel Cabinet Ph A, B, C - System Input B1-B4 Parallel Cabinet UPS #1-UPS #4 Module AC Input Ph A, B, C - UPS Inputs C1-C4 UPS #1-UPS #4 Module AC Outpu
Installation Drawings Figure 49 Lineup detail—Configuration CB2, CB3, CB4 parallel connection to Liebert NX G1-G4 H1-H4 C1-C4 E1-E4 F G1-G4 H1-H4 D Liebert® NX™ C1-C4 B1-B4 FRONT Without Covers FRONT Door Open E1-E4 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 Cabinet Ph A, B, C - UPS Outputs D Parallel Cabinet Critical Loads Ph A, B, C - System Outputs E1-E4 Parallel Cabinet UPS #1-UPS
Installation Drawings Figure 50 Line-up detail, bolt together description, 40-120 kVA Liebert NX LEFT SIDE Without Exterior Panels 965 (38 in.) LEFT SIDE Isometric View 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 cabinet must be supplied by customer. 4. All hardware supplied with ancillary cabinets for bolting cabinet to UPS. 5. Use M6 hardware provided.
Operation 9.0 OPERATION 9.1 General Description Liebert’s NX provides continuous, high-quality AC power to your business-critical equipment, such as telecommunications and data processing equipment. The Liebert NX UPS supplies power that is free of the disturbances and variations in voltage and frequency common to utility power, which is subject to brownouts, blackouts, surges and sags.
Operation 9.1.1 Bypass Supplies The Liebert NX contains an electronically controlled switching circuit that enables the critical load to be connected to either the inverter output or to a bypass power source via the static bypass line. During normal system operation the load is connected to the inverter and the inverter contactor is closed; but in the event of a UPS overload or an inverter failure, the load is automatically transferred to the static bypass line.
Operation Maintenance Mode For maintenance or repair, the Liebert NX may be operated in maintenance mode. To place the Liebert 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 the batteries for maintenance. ! WARNING Risk of electrical shock. Can cause injury and death.
Operator Control and Display Panel 10.0 OPERATOR CONTROL AND DISPLAY PANEL 10.1 Operator Control Panel The control panel and LCD on the front of the Liebert NX lets the operator: • • • • turn the UPS On or Off transfer into the various operating modes silence alarms check the status of the UPS and its batteries, including all measured parameters, events and alarms The main areas of the control panel are shown below in Figure 52 and detailed in Figure 53.
Operator Control and Display Panel 10.2 Mimic Display Indicators The Mimic display on the front panel consists of six indicators arranged in a single-line diagram depicting the various paths of UPS power, as shown in Figure 54. Figure 54 Mimic display indicators location Load indicator Bypass indicator Inverter indicator Liebert NX 80kV A-3X 3 Main LED1 Rectifier indicator LED2 LED4 LED5 LED3 Buzzer STATUS 09:20:37 Norm al Bypass L1-N/L 2 L-N current (A) 71. 4 Frequency (HZ) 59.
Operator Control and Display Panel 10.3 Control Buttons The Control Buttons on the front panel may be used to shut down the UPS completely, turn the inverter On or Off, restart the UPS after a fault and silence the alarm, as shown in Figure 55. The function of each button is described in Table 28. NOTE To activate a button properly, press and hold until you hear a short beep—about two seconds.
Operator Control and Display Panel 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 - 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 an alarm may have been silenced manually.
Operator Control and Display Panel 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 above each key to indicate its operation (see Table 29). The keys are “soft keys” that can change functions according to the icon. • Use F1 either to move to a different portion of the LCD (Shift icon) or to escape to a previous view (ESC icon).
Operator Control and Display Panel 10.8 LCD Menus and Data Items The LCD menus provide access to the following categories of information and settings for the UPS. Selecting a menu changes the information displayed in the UPS data items portion of the LCD. The menu choices are listed below and described in detail in Table 31.
Operator Control and Display Panel Figure 58 Menu tree Mains (input) TX Input * Bypass Output TX Output ** L-N current (A) Frequency (Hz) L-L voltage (V) Power factor L-L voltage (V) Frequency (Hz) L-L voltage (V) L-N current (A) Frequency (Hz) L-L voltage (V) Power factor L-L voltage (V) Load System Battery Records Sout (kVA) Pout (kW) Qout (kVAR) Loadlevel % Crest factor Sout (kVA) Pout (kW) Qout (kVAR) Single unit, no parallel data Battery voltage (V) Battery current (A) Battery temperat
Operator Control and Display Panel Table 31 Descriptions of UPS menus and data window items (continued) Menu Type System Battery Item Type Explanation Sout (kVA) Sout: Apparent power Pout (kW) Pout: Active power Qout (kVAR) Qout: Reactive power Single unit, no parallel data When configured as a single unit, UPS has only native load, no system load.
Operator Control and Display Panel 10.9 Language Selection The LCD menus and data display are available in 12 languages (Chinese, Dutch, English, French, German, Italian, Japanese, Polish, Portuguese, Russian, Spanish and Swedish). To select a different language: • 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 needed to select the Language menu.
Operator Control and Display Panel Figure 60 Set date and time 2007-01-12 Single Liebert NX 80KVA-3X3 Language 12:30:36 Normal Setting Command D/M/Y Y/M/D Y/M/D LCD contrast Date format M/D/Y Date & Time 2007-01-12 12:30:36 Input disconnect closed Output disconnect closed Bypass disconnect open 01-12 12:30 01-12 12:30 01-12 12:30 ? F1 Liebert® NX™ F2 F3 89 F4 HELP
Operator Control and Display Panel 10.11 UPS Status 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 61. • Current Status Window: The status messages are displayed chronologically and include the date and time of the events. Three status messages are visible in the window at a time. To see other messages, use the navigation keys to scroll up or down the list.
Operator Control and Display Panel 10.12 Types of LCD Screens This section provides a quick guide to the main types of LCD screens. 10.12.1Opening Display As the UPS begins powering up, the opening display appears, as shown in Figure 62. Figure 62 Opening display F1 F2 F3 HELP F4 10.12.2Default Screen After the UPS has powered up and completed a self-test, the output screen appears, as shown in Figure 63. This window is the default screen.
Operator Control and Display Panel 10.12.3UPS Help Screen Press the HELP key below the LCD to display the Help window shown in Figure 64. (Press the HELP key again to exit the Help window.) Figure 64 Help screen Help information Select the current record window Select the previous menu item Select the next menu item Press ENTER key to view KVA history Press ENTER Q3 key to view KVA history Q2 Q5 Q1 Press help key back to main menu Press help key back to main menu F1 F2 F3 F4 ? HELP 10.12.
Operator Control and Display Panel 10.13 Pop-Up Windows Pop-up prompt windows appear when the user must confirm a choice or perform an operation. This section describes the pop-up windows. 10.13.
Operating Instructions 11.0 OPERATING INSTRUCTIONS 11.1 Liebert NX Operating Modes The Liebert NX can operate in any of four modes, as shown in Table 32. This section provides instructions on switching between modes, resetting the UPS, switching the inverter On and Off and performing other operations. Table 32 UPS operating modes Operating Mode Circuit Breaker State Description Normal Operation CB1:ON CB2:ON CB3:OFF CB5:ON The UPS is powering the load.
Operating Instructions 11.1.1 Circuit Breakers The UPS can be isolated by means of circuit breakers, mounted inside the cabinet and accessible after opening the front door. The location of the UPS power switches is shown in Figure 66. Figure 66 Circuit breakers The UPS unit circuit breakers are CB1, CB2, CB3 and CB5. • • • • 11.2 CB1—Main Input circuit breaker; connects the utility supply to the UPS main input. CB2—Bypass circuit breaker; connects the utility supply to the UPS bypass.
Operating Instructions After initialization, the bypass SCR closes. Because the output circuit breaker is still 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.
Operating Instructions 11.2.2 Verify 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 rectifier will restart automatically after 10 seconds and resume feeding power to the inverter. Switch from Normal Mode to Bypass Mode • Press the INVERTER OFF button to switch to bypass mode.
Operating Instructions 11.3 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. Can cause property damage from loss of power to connected load. Before performing this operation, read the messages on the LCD to be sure that bypass supply is regular and the inverter is synchronous with it.
Operating Instructions 11.4 Partially De-Energize the Liebert Nx 480 with Bypass Distribution Cabinet (BDC) Follow the procedure below to transfer the load from the UPS inverter output to the Maintenance Bypass line of the UPS. To partially de-energize Liebert NX 480V UPS with Liebert BDC: NOTICE Risk of load being dropped by the UPS. Can cause equipment damage. This procedure must be performed by properly trained and qualified personnel who are knowledgeable about the operation of this system.
Operating Instructions 11.5 De-Energize the Liebert Nx 480 with Bypass Distribution Cabinet (BDC) To de-energize the Liebert NX 480V UPS w/ BDC: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. On the Control Panel, press the INVERTER OFF button for 2 seconds. Close CB3 Maintenance Bypass Breaker Open CB5 Output Breaker Manually open external battery breaker(s).
Operating Instructions 13. 14. 15. 16. 17. 18. 11.7 Close the CB5 Output Breaker. Close the external battery breaker(s). Verify the Battery Alarm LED extinguishes. Open theCB3 Maintenance Bypass Breaker. On the Control Panel, press the INVERTER ON button for 2 seconds. Verify that the Inverter LED turns solid green, and that the unit indicates Normal Mode after about a minute.
Operating Instructions After the EPO button is pressed, if the input utility is removed, the UPS will shut down completely. When input utility is returned, if the Bypass input circuit breaker (CB2) and UPS output circuit breaker (CB5) are closed, the UPS will start up on Bypass. There will be power at the output terminals of the UPS. ! WARNING Risk of electrical shock. Can cause injury and death.
Operating Instructions Figure 67 Typical parallel system block diagram with common input supply, with separate batteries and optional output / bypass distribution panel 480V, 3W System Input MBB Liebert NX UPS (40-200 kVA) MIB Bypass LDB 1 Static Switch RIB 1 AC DC DC IOB 1 User Supplied Plug-In Output Breakers AC DC RIB = Rectifier Input Breaker IOB = Inverter Output Breaker MBB = Maintenance Bypass Breaker MIB = Maintenance Isolation Breaker LDB = Load Distribution Breaker LDB N DC 480V D
Operating Instructions 11.11.2Inserting One Module into a Multi-Module System This procedure outlines how to integrate a UPS module that has been previously isolated from other modules of a group of paralleled UPS modules. It is assumed that the installation is complete, the system has been commissioned by authorized personnel and the external power isolators are closed. ! WARNING Risk of electrical shock. Can cause injury and death. Utility power will be applied to UPS output terminals.
Operating Instructions 11.11.3Shutdown Procedure—Complete UPS and Load Shutdown This procedure must be followed to completely power down the UPS and the load. All power switches, isolators and circuit breakers will be opened and power will be removed from the load. In multi-module systems, perform each step of the procedure in every UPS module before proceeding to the next step. NOTICE Risk of improper operation. Can cause property damage from loss of power to connected load.
Options 12.0 OPTIONS Several items of optional equipment are available for connection to the Liebert NX UPS. 12.1 Communication and Other User Terminals The UPS can be integrated into advanced networking environments via UPS monitoring software such as Microsoft UPS Monitor™, Liebert MultiLink™, Liebert Nform™, Liebert SiteNet™, Modbus / Jbus, Liebert SiteScan™, Liebert SiteScan 2™, SNMP, etc. They allow UPS status monitoring and automatic and safe shutdown of the server and PCs.
Options 12.1.4 Communication and Monitoring Liebert IntelliSlot Web Card - SNMP/HTTP Network Interface Card This network interface card provides all real-time data and status information as SNMPv1 traps for connection to a 10/100-baseT Ethernet connection. The same card also will transmit the same status information and all measured parameters for display through a Web browser.
Options Figure 69 Liebert IntelliSlot™ Web card display Relay Card The relay card provides voltage-free contact closures for remote monitoring of alarm conditions. Delivering On Battery, On Bypass, Low Battery, Summary Alarm, UPS Fault and On UPS signals, the easy-to-install card integrates with AS/400 computers (additional cable required) and other relay contact monitoring systems. The relay card is rated for 24 VAC/DC at 1A and supported in any of the three Liebert IntelliSlot bays on the Liebert NX™.
Options MultiPort 4 Card The MultiPort 4 card provides four sets of voltage-free contact closures for remote monitoring of alarm conditions UPS operation On Battery and Low Battery condition. A typical application is to allow a maximum of four computer systems to simultaneously monitor the status (e.g., utility power failure-low battery) of a single UPS. This card is supported in any of the three Liebert IntelliSlot® bays on the Liebert NX™.
Specifications and Technical Data 13.0 SPECIFICATIONS AND TECHNICAL DATA 13.1 Lug Size and Torque Requirements Use commercially available solderless lugs for the wire size required for your application. Refer to Table 34. Connect wire to the lug using tools and procedures specified by the lug manufacturer. Table 34 Torque specifications Nut and Bolt CombinationS Grade 2 Standard Electrical Connections with Belleville Washers Bolt Shaft Size Lb-in N-m Lb-in N-m 1/4 5/16 3/8 1/2 53 107 192 428 6.
Specifications and Technical Data 13.2 Cable Lengths: Floor to Connection Point Inside UPS To help calculate the total cable length required, refer to Table 36 for the distance from the floor to selected connection points inside the Liebert NX. Determine the cable length required to reach the Liebert NX, then add the appropriate length from the table and adequate slack for repair and maintenance. Table 36 Distance to connection points on the Liebert NX UPS Distance From Floor in.
Specifications and Technical Data Table 38 External cabinet dimensions, including side panels 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 13.3 Unit Width Depth Height mm (inch) 845 (33.2) 965 (38) 2000 (78.
Specifications and Technical Data Table 42 Cable size tightening torque at Liebert NX 100kVA UPS terminals 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 Bus Type Table 43 Cable size tightening torque at Liebert NX 120kVA UPS terminals Cable Size (Copper Wire Only) Torque to Tighten Terminal Bus & Lug Body Main Input (Single Input) 250
Specifications and Technical Data 13.
Specifications and Technical Data Table 48 C&D Dynasty battery run times in minutes Softscale Range Scalable to 80kVA External Battery Cabinet Type Quantity Scalable to 120kVA Scalable to 200kVA Rated Output, kVA Rated Output, kVA Rated Output, kVA 40 60 80 80 100 120 160 200 UPS12-100MR 1 5 N/A N/A N/A N/A N/A N/A N/A UPS12-150MR 1 12 6 N/A N/A N/A N/A N/A N/A UPS12-210MR 1 19 10 6 N/A N/A N/A N/A N/A UPS12-300MR 1 32 19 12 13 9 6 N/A N/A UPS12-350MR
Specifications and Technical Data 116 Liebert® NX™
UPS Status Messages APPENDIX A - UPS STATUS MESSAGES Table 49 shows all event messages as they appear in the current status area of the LCD and in the history log, along with a description and recommended actions, if any. For further information on the current status area and the history log, see 2.11 UPS Status Messages. Table 49 UPS status messages Event Message Description / Suggested Action (if any) Inverter Comm. Fail The RS-485 communication between internal monitor and inverter has failed.
UPS Status Messages Table 49 UPS status messages Event Message Description / Suggested Action (if any) Bypass Abnormal This alarm is triggered by an inverter software routine when the amplitude or frequency of bypass voltage exceeds the limit. This alarm automatically resets once the bypass voltage goes normal. First check whether there are relevant alarms such as “Bypass disconnect open,” “Bypass phase reverse” and “Mains neutral lost.” If they appear, solve them first.
UPS Status Messages Table 49 UPS status messages Event Message Description / Suggested Action (if any) Unit Overload The UPS is overloaded when the load arises above 105% nominal rating. The alarm automatically resets once the overload condition is removed. Confirm that the alarm is true by checking the load percent indicated on the LCD panel to determine which phase is being overloaded. If the alarm is true, measure the actual output current to verify that the indications are valid.
UPS Status Messages Table 49 UPS status messages Event Message Description / Suggested Action (if any) LBS Active The LBS setting is active. The UPS is acting as an LBS master or slave in a dual bus configuration. Battery ground fault Battery ground fault from dry contact signal. Contact Liebert Services at 800-543-2378 for assistance.
UPS Status Messages Table 49 UPS status messages Event Message Description / Suggested Action (if any) Balancer Fault Internal VDC (+) and VDC (-) offset by over 50V exceeding the inverter DC offset compensation capacity. Inverter shuts down. Load transfers to bypass. Operation Invalid This record is registered following an incorrect operation. Byp. Abnormal Shutdown Both bypass and inverter voltages unavailable.
Technical Support / Service Web Site www.liebert.com Monitoring liebert.monitoring@emerson.com 800-222-5877 Outside North America: +00800 1155 4499 Single-Phase UPS & Server Cabinets liebert.upstech@emerson.
