Liebert Emerson NX UPS System Manuale Utente

AC PowerFor Business-Critical ContinuityLiebert NX UPSUser Manual–10-30kVA, 400V, 50/60Hz

2User-Serviceable PartsAll equipment maintenance and servicing procedures involving internal access requires the use of a tool and should be carried o

Single Module UPS Installation31.0 SINGLE MODULE UPS INSTALLATION1.1 IntroductionThis following section describes the requirements that must be taken

Single Module UPS Installation41.3 Location1.3.1 UPS RoomThe UPS and its internal battery is intended for indoor installation and should be located in

Single Module UPS Installation51.4 PositioningThe cabinet is mounted on four castor-wheels for ease of positioning and for short distance movement. Ja

Single Module UPS Installation61.4.4 ClearancesThe Liebert NX has no ventilation grilles at either side of the UPS. To enable routine tightening of po

Single Module UPS Installation7Earth Leakage (RCD):Any residual current detector (RCD) installed upstream of the UPS input supply must be:• sensitive

Single Module UPS Installation81.6 Power CablesThe cable design must comply with the voltages and currents provided in this section, follow local wir-

Single Module UPS Installation91.6.1 Cable TerminationOnce the equipment has been finally positioned and secured, connect the power cables as describe

Single Module UPS Installation10Output System Connections6. Connect the system output cables between the UPS output (oA-oB-oC-N terminals) and the cr

Single Module UPS Installation111.7 Control Cables and Communication1.7.1 Monitor Board FeaturesBased on your site’s specific needs, the UPS may requi

Single Module UPS Installation121.8 Dry ContactsThe UPS provides input dry contacts and output dry contacts.1.8.1 Input Dry ContactsThere are several

Single Module UPS Installation131.8.3 External Circuit-Breaker InterfaceJ10 is the interface to any external battery circuit breaker (BCB).Figure 4 Ju

Single Module UPS Installation141.8.4 Output Dry ContactsThere are three output dry contact relays at the X1 slot (see Figure 5 and Table 6)Figure 5 O

Single Module UPS Installation151.8.5 Emergency Power Off InputThe UPS has an Emergency Power Off (EPO) function that operates by a button on the cont

Single Module UPS Installation16Serial Ports RS232-1 and RS232-2RS232-1 provides serial data and is intended for direct use with Liebert MultiLink mon

Battery Installation172.0 BATTERY INSTALLATION2.1 IntroductionThe UPS battery bank consists of battery blocks connected in series to provide a D.C. st

Battery Installation182.2 SafetySpecial care should be taken when working with the batteries associated with the Liebert NX UPS system. When all the c

Battery Installation192.3 Battery Cabinet2.3.1 IntroductionThis cabinet can also be used in conjunction additional cabinets, to provide the necessary

Battery Installation202.3.6 Battery Temperature Sensor (Optional)The optional external battery temperature sensor kit contains one probe and one tempe

Battery Installation212.3.9 General Arrangement Drawings Refer to Figures 8 and 10 for general arrangement of battery cabinet models.Figure 8 Battery

iTABLE OF CONTENTS1.0 SINGLE MODULE UPS INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31.1 Introductio

Battery Installation22Figure 9 Battery cabinet with fuse or optional circuit breaker locationsBottom cable entry

Battery Installation23Figure 10 Battery cabinet internal layoutMinimum service space 65mm3 Layers:Largest battery dimensions:201x170x190 (LxWxH)Positi

Battery Installation24Figure 11 Battery cabinet, bottom entry2.4 Battery Power Cables2.4.1 Connection PrinciplesThe following notes, in conjunction wi

Battery Installation252.4.2 Fitting the Batteries1. In general, at least 10mm (3/8") must be left unobstructed on all vertical sides of the batte

UPS Multi-Module Installation263.0 UPS MULTI-MODULE INSTALLATION3.1 GeneralThe installation of a multi-module UPS configuration must follow the instal

UPS Multi-Module Installation273.2 Paralleled UPS Modules The basic installation procedure of a parallel system comprising two or more UPS modules is

UPS Multi-Module Installation28Figure 15 Dry contacts, multiple UPS modules with distribution panel3.2.2 External Protective DevicesRefer to the instr

UPS Multi-Module Installation293.2.4 Control CablesIntermodule ControlShielded and double insulated control cables available in lengths of 5, 10 and 1

UPS Multi-Module Installation303.3.3 Power CablesThe wiring of power cables is similar to that of single module system except that the output of the u

UPS Multi-Module Installation313.4 Dual Bus System3.4.1 Cabinet InstallationThe Dual Bus System consists of two independent UPS configurations each co

ii2.4 Battery Power Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242.4.1 Con

UPS Multi-Module Installation323.4.4 Control WiresFor Liebert NX to NX dual bus configuration, interconnect the optional DBS cable between any DBS por

Installation Drawings334.0 INSTALLATION DRAWINGSFigure 20 Electrical connectionsX5X3X4X1X2 Ext EPOBCBMonitor BoardInputMBCExternal BatteryBattUPSParal

Installation Drawings34Figure 21 General arrangement—10-30kVA UPS moduleFRONT VIEW LEFT SIDE VIEW Leveling feet Detail A, rear of unit shown without s

Installation Drawings35Figure 22 10-30kVA NX front view with doors open12345External Battery InputBypass InputMain InputOutputT1T21) Main/Bypass Input

Installation Drawings36Figure 23 Location of parallel logic board M3 BatteryStartInterfaceNXe 10-30kVA Top ViewParallelLogicBoard

Installation Drawings37Figure 24 Internal battery layout and connecting—GP12120 F2 (12AH/12V) Figure 25 Internal battery layout and connecting—LC-R127

Installation Drawings38Figure 26 Internal battery layout136mm160mm160mm160mm160mm151mmBattery562mm347mm

Operation395.0 OPERATION5.1 IntroductionLiebert’s NX™ Uninterruptible Power System system provides continuous, high-quality AC power to your business-

Operation405.1.2 Static Transfer SwitchThe circuit blocks labeled Static Switch in Figure 27 contain electronically controlled switching cir-cuits tha

Operation415.1.4 Redundant Control Power Supply BoardThe UPS is equipped with two identical and fully redundant control power supply boards. Each of t

iii5.5 Battery Protection (settings by commissioning engineer) . . . . . . . . . . . . . . . . . . . . . . . . . . . 446.0 OPERATING PROCEDURES . .

Operation425.2.1 Features of NX Multi-Module UPS Configurations1. The hardware and firmware of single module UPS units is completely compatible with t

Operation435.3.4 Bypass ModeIf the inverter overload capacity is exceeded, or if the inverter becomes unavailable for any reason, the static transfer

Operation445.4 Battery Management—Set During Commissioning5.4.1 Normal Function• Constant charging current—Current can be set up to limit charging pow

Operating Procedures456.0 OPERATING PROCEDURES6.1 IntroductionThe NX can operate in any of four modes, as shown in Table 9. This section provides inst

Operating Procedures466.2 UPS StartupThe NX must be fully installed and commissioned before startup, and external power isolators must be closed. Once

Operating Procedures475. Turn the rotary switch to NORMAL, then press the INVERTER ON control button for 2 seconds. The inverter will start and the in

Operating Procedures486.3 Switching the UPS from Normal to Maintenance BypassFollow the procedure below to transfer the load from the inverter output

Operating Procedures496.5 Powering Down the UPS and Maintaining Power to LoadIf the UPS needs to be shut down completely while maintaining power to th

Operating Procedures506.6 Emergency Shutdown With EPOThis circuit has been designed to switch off the UPS in emergency conditions (i.e., fire, flood,

Operating Procedures516.9 Language SelectionThe LCD menus and data display are available in 12 languages: Chinese, Dutch, English, French, German, Ita

ivFIGURESFigure i Model number nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Procedures526.12 Isolating One Module in a Multi-Module System1. With all UPS modules in the system in Normal mode, open the external output

Operating Procedures536.13 Inserting One Module into a Multi-Module SystemThis procedure is indicated to reintegrate a UPS module that has been previo

Operator Control Panel and Display547.0 OPERATOR CONTROL PANEL AND DISPLAY7.1 IntroductionThe operator control panel and display is located on the fro

Operator Control Panel and Display557.1.1 Mimic Power FlowThe LEDs mounted on the mimic flow chart represent the various power paths and current UPS o

Operator Control Panel and Display567.1.3 Direct Access Push Buttons (Keys) Press and hold Direct Access key briefly until acknowledged by a single be

Operator Control Panel and Display57The function of keys F1 to F4 is shown by a self-explanatory icon as appropriate for the particular window. As sho

Operator Control Panel and Display587.1.5 Detailed Description of Menu ItemsThe description that follows refers to the graphic LCD monitor window show

Operator Control Panel and Display59SystemSout (kVA) Sout: Apparent powerPout (kW) Pout: Active powerQout (kVAR) Qout: Reactive powerSingle unit, no p

Operator Control Panel and Display60Current Record WindowKeeps a log the events that resulted in the current mode of operation. Ignores transient cond

Operator Control Panel and Display61Bypass AbnormalThis alarm is triggered by an inverter software routine when the amplitude or frequency of bypass v

vTABLESTable 1 Maximum steady state AC and DC currents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Table 2

Operator Control Panel and Display62Unit Over load TimeoutThe UPS is confirmed to overload and the overload times out.Note 1: the highest loaded phase

Operator Control Panel and Display63Fault Reset Fault clear direct access key pressedAlarm Silence Silence On/Off direct access key pressedTurn On Fai

Operator Control Panel and Display647.3 Prompt (Pop-Up) WindowsThe prompt window is displayed during the operation of the system to alert the user to

Operator Control Panel and Display657.5 Default Screen SaverThis default screen is displayed following at least 2 minutes of operation with no new ala

Options—For Assembly Inside the UPS Cabinet668.0 OPTIONS—FOR ASSEMBLY INSIDE THE UPS CABINETSeveral items of optional equipment are available for conn

Options—For Assembly Inside the UPS Cabinet678.1.2 Redundant Fan for Power Module In addition, to ensure sufficient cooling power at various operation

Options—For Assembly Inside the UPS Cabinet688.1.3 OC Web Card - SNMP/HTTP Network Interface CardThis network interface card provides all real-time da

Options—For Assembly Inside the UPS Cabinet698.1.4 Relay CardThe Relay card provides voltage-free contact closures for remote monitoring of alarm cond

Options—For Assembly Inside the UPS Cabinet70Figure 41 SiteNet MultiPort4 Intellislot pin configurationTable 27 SiteNet MultiPort4 Intellislot pin ass

Options—For Assembly Inside the UPS Cabinet718.2 OC485 Web Card – Modbus, Jbus, IGM NetThe OpenComms 485 Card facilitates SiteScan Web or Building Man

viFigure i Model number nomenclatureUPS Single Module Liebert NXe UPS module ratings:10, 15, 20, 30kVA (with internal battery)Example: NXE0A0010U =10k

Options—For Assembly Inside the UPS Cabinet728.2.2 Dust Filter for 10-30kVAInstalling the two dust filters in the Liebert NX requires only a Phillips

Technical Specifications739.0 TECHNICAL SPECIFICATIONS9.1 Conformity and StandardsThe UPS has been designed to conform to the following European and i

Technical Specifications74Table 32 Mechanical characteristicsRated Power, kVAUnit ofMeasurement 10 15 20 30Dimensions, WxDxH mm (in)600x700x1400(23-9/

Technical Specifications75Table 34 Battery Intermediate DC CircuitRated Power, kVAUnit ofMeasurement 10 15 20 30Battery Bus VoltageVDCNominal: 480V (V

Technical Specifications76Table 36 Bypass mains inputRated power, kVAUnit ofMeasurement10 15 20 30Rated AC Voltage1VAC380/400/415 Vthree-phase four-wi

Technical Specifications77NOTES

Technical Specifications78

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1SAFETY PRECAUTIONSThis manual contains information concerning the installation and operation of this Emerson Network Power Liebert NX™ Uninterruptibl