Emerson NXr Manuel d'utilisateur

AC PowerFor Business-Critical Continuity™Liebert NX™ UPSUser Manual–10-30kVA, 208V, 60Hz

2Battery Cabinet PrecautionsThe following warning applies to all battery cabinets supplied with UPS systems. Additional warn-ings and cautions applica

Specifications and Technical Data9210 A, J 208 35 50 208 28 4010 B, K 480 16 20 208 28 4010 B, K 600 12 15 208 28 4010 B, K 220 34 50 208 28 4010 C, L

Specifications and Technical Data93Table 37 Multi-module bypass cabinet electrical dataSystemSize Type kVASystemI/P Voltage(VAC)SystemMax InputCurrent

Specifications and Technical Data94Table 38 Maintenance bypass cabinet lug sizesInputUnitRatingNominal SystemInput Voltage Bolt SizeMaximum Recommende

Specifications and Technical Data95Table 39 Battery cabinet physical characteristicsBattery CabinetTypeDimensionsWxDxH in. (mm)Net Weight WithoutBatte

Specifications and Technical Data9611.2 Cable Lengths: Floor to Connection Point Inside UPSTo help calculate the total cable length required, refer to

UPS Status Messages97APPENDIX A-UPS STATUS MESSAGESTable 44 shows all event messages as they appear in the current status area of the LCD or the his-t

UPS Status Messages98Bypass Unable to TraceThis alarm is triggered by an inverter software routine when the amplitude or frequency of bypass voltage i

UPS Status Messages99Inverter Contactor FailThe Inverter contactor has failed.This alarm is triggered when the feedback signal and the state of the co

UPS Status Messages100DC Bus OvervoltageRectifier, inverter and battery converter were shutdown because DC bus voltage is too high.Check whether there

UPS Status Messages101Battery Contactor Open Battery Contactor OpenBattery Contactor Close Battery Contactor CloseBattery Reverse Connect the battery

3GLOSSARY OF SYMBOLSRisk of electrical shockIndicates caution followed by important instructionsAC inputAC outputRequests the user to consult the manu

UPS Status Messages102

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Installation41.0 INSTALLATIONLiebert’s NX™ Uninterruptible Power Supply system provides continuous, high-quality AC power to your business-critical eq

Installation51.2.1 Storing for Delayed InstallationIf the equipment will not be installed immediately, it must be stored indoors where the humidity is

Installation61.4.3 Special Considerations for 1+N Systems1. Consider the grounding configuration of your system before finalizing module placement. Fo

Installation71.6.1 ClearancesThere are no ventilation grilles on the sides or rear of the UPS. The sides must be accessible during installation. After

Installation81.6.4 Optional CabinetsIf your NX installation includes a Maintenance Bypass Cabinet, the NX must be positioned to allow the Maintenance

Electrical Connections92.0 ELECTRICAL CONNECTIONSThe UPS requires both power and control cabling once it has been mechanically installed. All control

Electrical Connections102.1.2 UPS Input ConfigurationFigure 2 illustrates the NX in a split bypass (dual-input) configuration. In this configuration t

Electrical Connections112.1.4 Cable ConnectionsThe rectifier input, bypass and output are easily accessible from the left side of the unit for install

Electrical Connections122.1.5 Safety GroundThe safety ground busbar is located below the neutral input and output busbars as shown in Figure 5 below.

Electrical Connections132.1.7 Cabling ProcedureOnce the equipment has been positioned and secured for operation, and the battery and ground col-lars h

Electrical Connections14Internal UPS Battery ConnectionsThe UPS internal batteries will be connected at the factory, EXCEPT the Anderson connections b

Electrical Connections15Figure 7 Auxiliary terminal block detail (Monitoring Board)2.3 Dry ContactsThe UPS provides input dry contacts and output dry

Electrical Connections162.3.2 Maintenance Bypass Cabinet InterfaceJ26 and J30 are the MBC interface.2.3.3 BCB Box InterfaceJ10 is the BCB box interfac

Electrical Connections172.3.4 Output Dry ContactsThere are three output dry contact relays at the X1 slot (see Figure 10 and Table 4).Figure 10 Output

Electrical Connections18Firmware M200 or LaterThe UPS has an Emergency Power Off (EPO) function operated by a button on the control panel or by a remo

Battery Installation193.0 BATTERY INSTALLATION3.1 IntroductionLiebert recommends that the batteries in external cabinets match the internal batteries

Battery Installation203.4 External Battery Cabinet Installation3.4.1 Matching Battery CabinetsTwo sizes of optional battery cabinets are available. Re

Battery Installation21Figure 13 Narrow battery cabinet, 27 in. (690mm) - rear view Figure 14 Wide battery cabinet, 57 in. (1488mm) - front viewBCB pla

iTABLE OF CONTENTSIMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1GLOSSA

Battery Installation223.4.3 Installation ConsiderationsPosition—Liebert battery cabinets come in versions specific to either the left or right side of

Battery Installation23Figure 15 Internal cable wiring from battery cabinet to Liebert NXFigure 16 Battery tray and supportsPower cables from batteries

Battery Installation243.4.4 Connecting the Battery Cabinet to the UPSAfter the battery cabinet equipment has been positioned and secured for operation

Maintenance Bypass Cabinet254.0 MAINTENANCE BYPASS CABINETThe Maintenance Bypass Cabinet is designed to operate in UPS mode, bypass mode and maintenan

Maintenance Bypass Cabinet264.3 Bypass ModeWhen the Maintenance Bypass Cabinet is in the Bypass mode, it provides an alternate path for power to the c

Maintenance Bypass Cabinet274.6.2 Power Cable InstallationRefer to Tables 35, 36 and 38 when selecting cables.4.6.3 Input/Output WiringFollow the step

Maintenance Bypass Cabinet287. Connect the system input cables between the Maintenance Bypass Cabinet 'UPS Input' Busbars (A-B-C N terminals

Maintenance Bypass Cabinet294.7 Bolting Cabinets Together1. Line up cabinets so that mounting holes are aligned.2. Using supplied hardware, bolt the c

Option Installations305.0 OPTION INSTALLATIONS5.1 Load Bus SynchronizationThe Load Bus Synchronizer (LBS) keeps the output of two independent UPS syst

Option Installations315.2 Configuring Parallel System Operation5.2.1 GeneralThe NX uses intelligent and reliable decentralized technology to achieve p

ii3.4 External Battery Cabinet Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203.4.1 Matching Bat

Option Installations325.2.2 Features of Parallel System• The hardware and firmware for parallel UPS module operation is standard in the NX, and the co

Option Installations335.2.3 Operating PrinciplesRedundancy ParallelingThe 1+N parallel redundant system can noticeably improve system reliability. In

Option Installations345.3.5 Power CablesWiring of power cables is similar to that of single-module system (See 2.1 - Power Cabling). The bypass source

Option Installations35Figure 24 Auxiliary dry contact cables for output breaker in multi-module systemFigure 25 Dry contacts, multiple UPS modules wit

Option Installations365.3.7 Emergency Power Off (EPO)The external emergency stop facility is identical to that described for the single-unit installat

Option Installations37Figure 27 Battery circuit breaker box connectionsNOTE1. The signal cables in this figure must be shielded and double-insulated.2

Option Installations385.5 Battery StartWith this option, the NX UPS can be started with power supplied only by the batteries (at charged condition). T

Option Installations395.10 OC Web Card—SNMP/HTTP Network Interface CardThis network interface card provides all real-time data and status information

Option Installations405.10.1 Configuring Baud RatesThe default baud rate for Intellislots is 9600. To communicate with the OCWEB-LB, Modbus/Jbus, or t

Option Installations41Figure 28 OC Web card display

iii6.0 INSTALLATION DRAWINGS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .447.0 OPERATION . . . . .

Option Installations425.11 Relay CardThe relay card provides voltage-free contact closures for remote monitoring of alarm conditions.Delivering On Bat

Option Installations435.12 MultiPort 4 CardThe MultiPort 4 card provides four sets of voltage-free contact closures for remote monitoring of alarm con

Installation Drawings446.0 INSTALLATION DRAWINGSThe diagrams in this section illustrate the key mechanical and electrical characteristics of the NX UP

Installation Drawings45Figure 31 Dimensions continued—top and bottom views Figure 32 Main components—typical unitRear stabiliz-ing foot Air ExhaustPow

Installation Drawings46Figure 33 Cable connectionsNOTES1. All dimensions are millimeters.2. Top and bottom cable entry available through removable acc

Installation Drawings47Figure 34 Location of internal batteriesBattery417mm687mm186mm

Installation Drawings48Figure 35 Battery connections +-+-+-+-+-+-+--++-+-+-+-+-+-+--++-+-+-+-+-+-+--+-N+W501 3pcsW500 18pcsW510 to W511 W502 to W503 W

Installation Drawings49Figure 36 Battery cabinet interconnectionTable 11 Liebert -supplied interconnect wiringRun From To ConductorsA UPS battery term

Installation Drawings50Figure 37 Maintenance Bypass interconnectionTable 12 Liebert-supplied interconnect wiring for Maintenance Bypass CabinetRun Fro

Installation Drawings51Figure 38 NX 1+1 parallel cabinet interconnectionsTable 13 Liebert-supplied interconnect wiringRun From To Conductors Cabinet T

iv9.9 Battery Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 809.9.1

Installation Drawings52Figure 39 Lineup detail—SlimLine distribution cabinet to NXTable 14 Liebert-supplied interconnect wiring—SlimLine distribution

Installation Drawings53Figure 40 Lineup detail—1+N Type A connection to NXTable 15 Interconnect wiring—1+N Type A connection to NXRUN FROM TO CONDUCTO

Installation Drawings54Figure 41 Lineup detail—1+N Type B1 connection to NXTable 16 Interconnect wiring—1+N Type B1 connection to NXRun From To Conduc

Installation Drawings55Figure 42 Lineup detail—1+N Type C connection to NXTable 17 Interconnect wiring—1+N Type C connection to NXRun From To Conduct

Installation Drawings56Figure 43 Suggested placement—single NX with auxiliary cabinetsBatteryCabinetSlimline DistributionFront of UnitsFront of Units

Installation Drawings57Figure 44 Suggested placement, multiple NX units with auxiliary cabinetsBatteryCabinetBatteryCabinetLiebertNXUPSBatteryCabinetM

Operation587.0 OPERATION7.1 General DescriptionThe standard NX consists of the UPS and internal batteries in a compact, single cabinet.As shown in Fig

Operation59Normal ModeOperating in normal mode, the NX’s rectifier derives power from a utility AC source and supplies reg-ulated DC power to the inve

Operator Control and Display Panel608.0 OPERATOR CONTROL AND DISPLAY PANEL8.1 Operator Control PanelThe control panel and LCD on the front of the Lieb

Operator Control and Display Panel618.2 Mimic Display IndicatorsThe Mimic display on the front panel consists of six indicators arranged in a single-l

vFigure 13 Narrow battery cabinet, 27 in. (690mm) - rear view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Figure 14 Wide

Operator Control and Display Panel628.3 Control ButtonsThe Control Buttons on the front panel may be used to shut down the UPS completely, turn the in

Operator Control and Display Panel638.5 LCD OverviewThe LCD on the front panel has five main sections, as shown in Figure 51. Press the F1 key below t

Operator Control and Display Panel648.6 Navigation KeysThe navigation keys on the front panel—F1 through F4 and Help—are used to access the LCD to vie

Operator Control and Display Panel658.8 LCD Menus and Data ItemsThe LCD menus provide access to the following categories of information and settings f

Operator Control and Display Panel668.9 Language SelectionThe LCD menus and data display are available in 12 languages (Chinese, Dutch, English, Frenc

Operator Control and Display Panel67Table 22 Descriptions of UPS menus and data window itemsMenu Type Item Type ExplanationMains (input)L-N voltage (V

Operator Control and Display Panel68SettingsDisplay contrast Adjust the LCD display contrastDate format set Choose the format for date display: M/D/Y,

Operator Control and Display Panel698.11 UPS Status MessagesThe NX displays status changes as they occur in the current status window of the LCD, then

Operator Control and Display Panel708.12 Types of LCD ScreensThis section provides a quick guide to the main types of LCD screens.8.12.1 Opening Displ

Operator Control and Display Panel718.12.3 UPS Help ScreenPress the HELP key below the LCD to display the Help window shown in Figure 56. (Press the H

viTABLESTable 1 Input dry contacts at X3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operator Control and Display Panel728.13 Pop-Up WindowsPop-up prompt windows appear when the user must confirm a choice or perform an operation. This

Operating Instructions739.0 OPERATING INSTRUCTIONS9.1 NX Operating ModesThe NX can operate in any of four modes, as shown in Table 23. This section pr

Operating Instructions749.1.1 Power SwitchesThe UPS can be isolated by means of power switches, mounted inside the cabinet and accessible after openin

Operating Instructions759.2 UPS Start UpThe NX must be fully installed and commissioned before start up, and external power isolators must be closed.

Operating Instructions765. Turn the rotary switch to NORMAL, then press the INVERTER ON control button for 2 seconds.The inverter will start and the i

Operating Instructions779.3 Switching the UPS from Normal to Maintenance BypassFollow the procedure below to transfer the load from the inverter outpu

Operating Instructions789.5 Powering Down the UPS and Maintaining Power to LoadIf the UPS needs to be shut down completely while maintaining power to

Operating Instructions799.6 Emergency Shutdown With EPOThis circuit has been designed to switch off the UPS in emergency conditions (i.e., fire, flood

Operating Instructions809.9 Battery Protection9.9.1 Battery Undervoltage Pre-WarningBefore the end of discharge, the NX displays a battery undervoltag

Operating Instructions819.11 Inserting One Module into a Multi-Module SystemThis procedure outlines how to integrate a UPS module that has been previo

1IMPORTANT SAFETY INSTRUCTIONSSAVE THESE INSTRUCTIONSThis manual contains important instructions that should be followed during installation of your L

Operating Instructions829.12 Shutting Down a Multi-Module System Without System Bypass Switch1. Open the UPS door to gain access to the main power swi

Operating Instructions839.14 Commissioning a Parallel SystemCheck the input and output wiring of each UPS module. Ensure that the phase rotation seque

Operating Instructions84The procedure can be performed only after the installation has been completed (which includes the maintenance bypass cabinet),

Operating Instructions859.16 Parallel System Start Up1. Start each UPS normally as described in 9.2 - UPS Start Up2. Turn on the inverter of each UPS

UPS Specifications8610.0 UPS SPECIFICATIONSThese specifications describe requirements for the Liebert NX UPS.10.1 Conformity and StandardsThe UPS has

UPS Specifications8710.4 UPS Electrical CharacteristicsTable 27 UPS terminalInput (for single-input unit)UnitRatingNominalInputCurrentMaximumInputCurr

UPS Specifications8810.4.1 Battery Manufacturers and ModelsEither of two manufacturers’ batteries will be installed in the NX 10-30 kVA 208V as shippe

UPS Specifications8910.4.4 Inverter Output10.4.5 Bypass InputTable 31 Inverter outputRated Power 10kVA 15kVA 20kVA 30kVARated voltage, VAC 120/208Supp

Specifications and Technical Data9011.0 SPECIFICATIONS AND TECHNICAL DATA11.1 Lug Size and Torque RequirementsUse commercially available solderless lu

Specifications and Technical Data91Table 35 Maintenance bypass cabinet electrical data (single input)kVA TypeMaintenanceBypassI/P Voltage(VAC)Bypass C