Page 3 - TABLE OF CONTENTS; INGLE; UPS I; NSTALLATION
i TABLE OF CONTENTS 1.0 S INGLE M ODULE UPS I NSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Prelimi...
Page 4 - ii; UPS M
ii 2.4 Battery Power Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2.4.1 Connection Principles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2.4.2 Fittin...
Page 5 - iii; UPS C
iii 5.5 Battery Protection (settings by commissioning engineer) . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 6.0 O PERATING P ROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 6.1 Introduction . . . . . . . . . . . . . . . . . . ...
Page 6 - iv; FIGURES
iv FIGURES Figure i Model number nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi Figure 1 Residual current circuit breakers (RCCB) symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure ...
Page 7 - TABLES
v TABLES Table 1 Maximum steady state AC and DC currents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 2 Distance from floor to connection point on the equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 3 Input dry contact...
Page 8 - output; NXe
vi Figure i Model number nomenclature UPS Single Module Liebert NXe UPS module ratings: 10, 15, 20, 30kVA (with internal battery) Example: NXE0A0010U = 10kVA module for Europe and Middle East, 400V/230V output Options Model Identification Note Battery cabinet NXE0NBCS Battery Ground Fault detection ...
Page 9 - SAFETY PRECAUTIONS; Power Liebert NX; Conformity and Standards; For more details, see; WARNING; Back-Feed Protection Notice; ISOLATE THE UNINTERRUPTIBLE POWER SYSTEM BEFORE WORKING ON THIS
1 SAFETY PRECAUTIONS This manual contains information concerning the installation and operation of this Emerson Network Power Liebert NX ™ Uninterruptible Power System (UPS). This manual should be read before commencing installation.The UPS must be commissioned and serviced by an engineer approved b...
Page 10 - ried out only by trained personnel.
2 User-Serviceable Parts All equipment maintenance and servicing procedures involving internal access requires the use of a tool and should be carried out only by trained personnel. There are no user-serviceable parts behind covers requiring a tool for removal.This UPS is fully compliant with safety...
Page 11 - Single Module UPS Installation; Introduction; externally. Report any damage to the shipper immediately.; Professional Installation Required; Battery Hazards; immediately with water.
Single Module UPS Installation 3 1.0 S INGLE M ODULE UPS I NSTALLATION 1.1 Introduction This following section describes the requirements that must be taken into account when planning the positioning and cabling of the Liebert NX uninterruptible power supply and related equipment.This chapter is a g...
Page 12 - Location; NOTE; CAUTION
Single Module UPS Installation 4 1.3 Location 1.3.1 UPS Room The UPS and its internal battery is intended for indoor installation and should be located in an envi- ronment with clean air and with adequate ventilation to keep the ambient temperature within the specified operating range (see Table 30 ...
Page 13 - Positioning; maximum efficiency in this temperature range (see; when removing the shipping pallet.
Single Module UPS Installation 5 1.4 Positioning The cabinet is mounted on four castor-wheels for ease of positioning and for short distance movement. Jacking feet are provided to prevent the UPS from moving once it has been wheeled to its final posi- tion.For optimal design life, the place chosen m...
Page 14 - External Protective Devices; Table 1
Single Module UPS Installation 6 1.4.4 Clearances The Liebert NX has no ventilation grilles at either side of the UPS. To enable routine tightening of power terminations within the UPS, in addition to meeting any local regulations, Liebert recom- mends providing adequate clearance in the front of th...
Page 15 - Figure 1
Single Module UPS Installation 7 Earth Leakage (RCD): Any residual current detector (RCD) installed upstream of the UPS input supply must be: • sensitive to DC unidirectional pulses (Class A)• insensitive to transient current pulses, and• must have an average sensitivity, adjustable between 0.3 and ...
Page 16 - Power Cables; prevent their inadvertent operation.; in hazards involving electric shock and fire.; Table 2; Battery Power
Single Module UPS Installation 8 1.6 Power Cables The cable design must comply with the voltages and currents provided in this section, follow local wir- ing practices and take into consideration the environmental conditions (temperature and physical support media).For cable entry terminal, refer to...
Page 18 - Connect the system; the commissioning engineer.
Single Module UPS Installation 10 Output System Connections 6. Connect the system output cables between the UPS output (oA-oB-oC-N terminals) and the critical load and tighten the connections to 5 Nm (M6 Bolt). Ensure correct phase rotation. Internal UPS Battery Connection 7. The battery consists of...
Page 19 - Control Cables and Communication; Figure 2
Single Module UPS Installation 11 1.7 Control Cables and Communication 1.7.1 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 ...
Page 20 - Dry Contacts; The UPS provides input dry contacts and output dry contacts.; X3 Ancillary Control and Alarms; J26 and J30 are the MBC interface.
Single Module UPS Installation 12 1.8 Dry Contacts The UPS provides input dry contacts and output dry contacts. 1.8.1 Input Dry Contacts There are several input dry contacts at the X3 slot. Figure 3 Input dry contacts X3 Ancillary Control and Alarms X3 IN DRY: Environmental, Battery Ground Fault and...
Page 21 - J10 is the interface to any external battery circuit breaker (BCB).; Figure 4; External circuit-breaker interface; Position; DRV
Single Module UPS Installation 13 1.8.3 External Circuit-Breaker Interface J10 is the interface to any external battery circuit breaker (BCB). Figure 4 Jumper connection for BCB interface Table 5 External circuit-breaker interface Position Name Description J10.1 DRV BCB Driver Signal - (reserved) J1...
Page 22 - There are three output dry contact relays at the X1 slot (see; Figure 5; and; Table 6; Bypass feedback protection relay center; BF
Single Module UPS Installation 14 1.8.4 Output Dry Contacts There are three output dry contact relays at the X1 slot (see Figure 5 and Table 6 ) Figure 5 Output dry contacts and EPO wiring Table 6 Output dry contact relays Position Name Description J13.2 BFP_O Bypass feedback protection relay; norma...
Page 23 - , is the remote EPO input interface. The EPO has an NO/NC contact; Table 7; X5: Auxiliary DC Power Output; mum current is 500mA.; X6: Analog Input Interface; Figure 7; Position Name; EPO activated when opened to J28.2; board and must remain installed if using NC contacts.
Single Module UPS Installation 15 1.8.5 Emergency Power Off Input The UPS has an Emergency Power Off (EPO) function that operates by a button on the control panel or by a remote contact provided by the user. The EPO button is under a hinged, clear plastic shield.The X2 slot, shown in Figure 5 , is t...
Page 24 - Intellislot Web Browser, SNMP, ModBus and Relay Cards Interface; - Options—For Assembly Inside the UPS Cabinet; Battery Start Button
Single Module UPS Installation 16 Serial Ports RS232-1 and RS232-2 RS232-1 provides serial data and is intended for direct use with Liebert MultiLink monitoring and server shutdown software.RS232-2 provides serial data and is intended for use by authorized commissioning and service person- nel.These...
Page 25 - Battery Installation; ATTERY
Battery Installation 17 2.0 B ATTERY I NSTALLATION 2.1 Introduction The UPS battery bank consists of battery blocks connected in series to provide a D.C. string voltage as required by the UPS converter. The 'AUTONOMY TIME' (the time during which the battery can maintain supply to the load in the eve...
Page 26 - Safety; Hazardous battery voltage present behind covers; which is hazardous
Battery Installation 18 2.2 Safety Special care should be taken when working with the batteries associated with the Liebert NX UPS system. When all the cells are connected together, the battery terminal voltage is potentially hazard- ous. The battery installation must be segregated from all but appr...
Page 27 - not; Battery Cabinet
Battery Installation 19 2.3 Battery Cabinet 2.3.1 Introduction This cabinet can also be used in conjunction additional cabinets, to provide the necessary accommoda- tion required by the larger cells associated with system’s having a long autonomy time.Where two (or more) cabinets are used they are p...
Page 28 - port board as illustrated in; . It is connected to the UPS Monitor Board.; See; Table 8; ing piece fitted at the bottom to reveal the cable entry hole.; battery cabinet will remain stationary and stable.; Cable W2 is packed with the temperature sensor.
Battery Installation 20 2.3.6 Battery Temperature Sensor (Optional) The optional external battery temperature sensor kit contains one probe and one temperature trans- port board as illustrated in Figure 7 . It is connected to the UPS Monitor Board. Figure 7 Single temperature sensor and monitor boar...
Page 29 - Refer to; Figures 8; Figure 8
Battery Installation 21 2.3.9 General Arrangement Drawings Refer to Figures 8 and 10 for general arrangement of battery cabinet models. Figure 8 Battery cabinet bottom cable entry location 828 620 1400 100 700 83 82,5 250 All dimensions areexpressed in millimeters. Bottom View
Page 30 - Figure 9; Bottom cable entry
Battery Installation 22 Figure 9 Battery cabinet with fuse or optional circuit breaker locations Bottom cable entry
Page 31 - Figure 10 Battery cabinet internal layout; Detail B
Battery Installation 23 Figure 10 Battery cabinet internal layout Minimum service space 65mm 3 Layers:Largest battery dimensions:201x170x190 (LxWxH) Positions of captive nuts for grille mounting 1 Layer:Largest battery dimensions:201x170x190 (LxWxH) Captive nut M6 Hex flangescrew M6x16 1. 15 29 43 D...
Page 32 - Figure 11 Battery cabinet, bottom entry; Battery Power Cables; Item Name; AMNXE0NBCSL4BT
Battery Installation 24 Figure 11 Battery cabinet, bottom entry 2.4 Battery Power Cables 2.4.1 Connection Principles The following notes, in conjunction with the diagrams, illustrate the broad principles to be followed when fitting and connecting the majority of battery installations. Item # Item Na...
Page 33 - tery Control; Battery Control
Battery Installation 25 2.4.2 Fitting the Batteries 1. In general, at least 10mm (3/8") must be left unobstructed on all vertical sides of the battery blocks to permit free air movement around the cells. 2. Clearance should be allowed between the top of the cells and the underside of the shelf a...
Page 34 - UPS Multi-Module Installation; ULTI; General; Figure 13 Emergency power off connections; EPO; EPO
UPS Multi-Module Installation 26 3.0 UPS M ULTI -M ODULE I NSTALLATION 3.1 General The installation of a multi-module UPS configuration must follow the installation procedure for a sin- gle UPS module with the additional requirements detailed in this chapter.In addition to the local EPO push button ...
Page 35 - Paralleled UPS Modules; dures specific to the parallel system.; optional output / bypass distribution panel; Distribution Cabinet
UPS Multi-Module Installation 27 3.2 Paralleled UPS Modules The basic installation procedure of a parallel system comprising two or more UPS modules is the same as that of single module system. The following sections only introduce the installation proce- dures specific to the parallel system. 3.2.1...
Page 36 - Refer to the instructions in; Input Distribution
UPS Multi-Module Installation 28 Figure 15 Dry contacts, multiple UPS modules with distribution panel 3.2.2 External Protective Devices Refer to the instructions in 1.0 - Single Module UPS Installation . 3.2.3 Power Cables The wiring of power cables is similar to that of single module system. The By...
Page 37 - Intermodule Control; Figure 16 Connection of 1+N system parallel control cables; Hot-Standby UPS Modules; bypass mode so that both ups are equally exercised.; UPS
UPS Multi-Module Installation 29 3.2.4 Control Cables Intermodule Control Shielded and double insulated control cables available in lengths of 5, 10 and 15 meters must be must be interconnected in a ring configuration between UPS modules as shown below. The parallel control board is mounted on the t...
Page 38 - ule UPS Installation; INPUT DISTRIBUTION
UPS Multi-Module Installation 30 3.3.3 Power Cables The wiring of power cables is similar to that of single module system except that the output of the upstream UPS is fed into the bypass input of the downstream UPS, and the load is fed by the down- stream UPS through its inverter or bypass. The byp...
Page 39 - Dual Bus System; inverter or bypass mode.
UPS Multi-Module Installation 31 3.4 Dual Bus System 3.4.1 Cabinet Installation The Dual Bus System consists of two independent UPS configurations each consisting of one or more UPS modules. Dual Bus Systems are high availability configurations suitable for loads with multiple input terminals. For s...
Page 40 - ports of two parallel systems as illustrated in
UPS Multi-Module Installation 32 3.4.4 Control Wires For Liebert NX to NX dual bus configuration, interconnect the optional DBS cable between any DBS ports of two parallel systems as illustrated in Figure 19 . Figure 19 Connections of a typical dual bus system utilising Load Bus Synch 3.4.5 Extended...
Page 41 - Installation Drawings; Figure 20 Electrical connections
Installation Drawings 33 4.0 I NSTALLATION D RAWINGS Figure 20 Electrical connections X5 X3 X4 X1 X2 Ext EPO BCB Monitor Board Input MBC External Battery Batt UPS Parallel Board To Customer’s SafetyEarth Earth A B C N A B C N To Critical Load Main/Bypass InputSupply PowerCables + N - J28-1J28-2 X3 X...
Page 42 - Figure 21 General arrangement—10-30kVA UPS module; ) Adjustable fixing feet
Installation Drawings 34 Figure 21 General arrangement—10-30kVA UPS module FRONT VIEW LEFT SIDE VIEW Leveling feet Detail A, rear of unit shown without side panel Leve 10mm dia threaded mounting holes 86.5 7 2 1 700 600 1400 90 867.5 1380 TOP VIEW BOTTOM VIEW 625 420 180 3 5 4 6 572 210 166 236 346 ...
Page 43 - Figure 22 10-30kVA NX front view with doors open; External Battery Input
Installation Drawings 35 Figure 22 10-30kVA NX front view with doors open 1 2 3 4 5 External Battery Input Bypass Input Main Input Output T1 T2 1) Main/Bypass Input terminal (T1) 2) Battery /Output terminal (T2) 3) Input circuit breaker (CB1) 4) Rotary switch (SW1) 5) Monitor board (U2)
Page 44 - Figure 23 Location of parallel logic board M3
Installation Drawings 36 Figure 23 Location of parallel logic board M3 BatteryStartInterface NXe 10-30kVA Top View ParallelLogicBoard
Page 46 - Figure 26 Internal battery layout
Installation Drawings 38 Figure 26 Internal battery layout 136 mm 160 mm 160 mm 160 mm 160 mm 151 mm Battery 562mm 347mm
Page 47 - Operation; PERATION; service to the maintenance bypass.; Figure 27 Single unit block diagram with split-bypass input; illustrates the Liebert NX UPS in what is known as the
Operation 39 5.0 O PERATION 5.1 Introduction Liebert’s NX™ Uninterruptible Power System system provides continuous, high-quality AC power to your business-critical equipment, such as telecommunications and data processing equipment. The NX UPS supplies power that is free of the disturbances and vari...
Page 48 - The circuit blocks labeled; Figure 28 Multiple battery temperature sensors; equipment is not protected from power failures or surges and sags.
Operation 40 5.1.2 Static Transfer Switch The circuit blocks labeled Static Switch in Figure 27 contain electronically controlled switching cir- cuits that enable the critical load to be connected to either the inverter output or to a bypass power source via the static bypass line. During normal sys...
Page 49 - Redundant Control Power Supply Board; ability of the system.; tion; for more information.; OUTPUT
Operation 41 5.1.4 Redundant Control Power Supply Board The UPS is equipped with two identical and fully redundant control power supply boards. Each of them takes inputs from the AC and DC sources. When one of the sources or even if one of the control power boards fails, the UPS system can still ope...
Page 50 - settings in configuration software.; Requirements for Paralleling of UPS Modules; High; Modes of Operation; BOOST charging its associated backup battery.; same neutral reference or where the neutral is not available.
Operation 42 5.2.1 Features of NX Multi-Module UPS Configurations 1. The hardware and firmware of single module UPS units is completely compatible with the requirements of a multi-module system. Multi-module configuration is achieved merely through settings in configuration software. 2. Parallel con...
Page 51 - UPS modules and rated for full load of one module.
Operation 43 5.3.4 Bypass Mode If the inverter overload capacity is exceeded, or if the inverter becomes unavailable for any reason, the static transfer switch will perform a transfer of the load from the inverter to the bypass source, with no interruption in power to the critical AC load. Should th...
Page 52 - Battery Management—Set During Commissioning
Operation 44 5.4 Battery Management—Set During Commissioning 5.4.1 Normal Function • Constant charging current— Current can be set up to limit charging power. • Constant boost voltage boost (if applicable) — Voltage of boost charging can be set as required by the type of battery.For Valve Regulated ...
Page 53 - Operating Procedures; PERATING; The NX can operate in any of four modes, as shown in; . This section provides instructions on; Table 9; Operator Control Panel and Display; commissioned by a Liebert factory-trained service engineer.; Rotary switch configurations
Operating Procedures 45 6.0 O PERATING P ROCEDURES 6.1 Introduction The NX can operate in any of four modes, as shown in Table 9 . This section provides instructions on switching between modes, resetting the UPS, switching the inverter On and Off and performing other operations. 6.1.1 Power Switches...
Page 54 - UPS Startup; design of the rotary switch ensures uninterrupted output.; switch from one position to another; Indicator
Operating Procedures 46 6.2 UPS Startup The NX must be fully installed and commissioned before startup, and external power isolators must be closed. Once those general conditions are met, the UPS may be started. 6.2.1 Start-Up Procedure To start the UPS from a fully powered-down condition:1. Open th...
Page 55 - Verify Switching Between Operation Modes; through the inverter.
Operating Procedures 47 5. Turn the rotary switch to NORMAL, then press the INVERTER ON control button for 2 seconds. The inverter will start and the inverter indicator will flash green. After the inverter is ready, the UPS transfers from bypass to inverter, the bypass indicator turns off and the in...
Page 56 - Switching the UPS from Normal to Maintenance Bypass; mal to Maintenance Bypass; displayed until the appropriate condition is rectified.
Operating Procedures 48 6.3 Switching the UPS from Normal to Maintenance Bypass Follow the procedure below to transfer the load from the inverter output to the Maintenance Bypass line of the UPS. This procedure assumes that UPS is operating normally.1. Press the INVERTER OFF button on the right side...
Page 57 - Powering Down the UPS and Maintaining Power to Load; Steps 1; following procedure
Operating Procedures 49 6.5 Powering Down the UPS and Maintaining Power to Load If the UPS needs to be shut down completely while maintaining power to the load, follow these steps:1. Perform Steps 1 through 5 in 6.3 - Switching the UPS from Normal to Maintenance Bypass . 2. Close the external mainte...
Page 58 - Emergency Shutdown With EPO; ually by pressing “Fault Clear” button.; minutes after the disappearance of overtemperature signals.; the output terminals of the UPS.
Operating Procedures 50 6.6 Emergency Shutdown With EPO This circuit has been designed to switch off the UPS in emergency conditions (i.e., fire, flood, etc.). The system will turn off the rectifier, inverter and stop powering the load immediately (including the inverter and bypass), and the battery...
Page 59 - Language Selection; be displayed in the selected language.; Changing the Current Date and Time; word is
Operating Procedures 51 6.9 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 than the one being displayed:1. From the main menu,...
Page 60 - Isolating One Module in a Multi-Module System; line and “Parallel comm fail” will annunciate.; UPS modules to transfer to Bypass.; dedicated battery room that may be locked.
Operating Procedures 52 6.12 Isolating One Module in a Multi-Module System 1. With all UPS modules in the system in Normal mode, open the external output isolator. 2. Press the UPS EPO to isolate the batteries.3. Open the UPS door to gain access to the main power switches SW1 and CB1.4. Turn the rot...
Page 61 - Inserting One Module into a Multi-Module System; tem has been commissioned by authorized personnel and the; external power isolators are open; moments after when the battery charger starts operation.; LED Function
Operating Procedures 53 6.13 Inserting One Module into a Multi-Module System This procedure is indicated to reintegrate 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 sys- tem has been commi...
Page 62 - PERATOR; event and alarm logs.; Figure 31 UPS control and display panel; HELP
Operator Control Panel and Display 54 7.0 O PERATOR C ONTROL P ANEL AND D ISPLAY 7.1 Introduction The operator control panel and display is located on the front door of the UPS. The panel is the access point for operator control and monitoring of all measured parameters, UPS and battery status and o...
Page 63 - UPS activity is accompanied by the following sounds
Operator Control Panel and Display 55 7.1.1 Mimic Power Flow The LEDs mounted on the mimic flow chart represent the various power paths and current UPS oper- ational status. 7.1.2 Audible Alarm (Buzzer) UPS activity is accompanied by the following sounds Table 12 Rectifier indicator—1 Green Rectifie...
Page 64 - Figure 32 Graphic LCD monitor windows and keypad; Inverter ON; Menu key Icons and their meaning; Key; ESC; Window
Operator Control Panel and Display 56 7.1.3 Direct Access Push Buttons (Keys) Press and hold Direct Access key briefly until acknowledged by a single beep. 7.1.4 LCD Monitor and Menu keys The user-friendly and menu-driven 320 x 240 dot graphic LCD monitor displays real time data and at the same time...
Page 65 - above, pressing F1 moves the cursor (resting in “OUTPUT”) from the; - All Status and Event Messages Displayed; for a detailed description of each menu item.; Figure 33 Menu tree; Charge
Operator Control Panel and Display 57 The function of keys F1 to F4 is shown by a self-explanatory icon as appropriate for the particular window. As shown in Figure 32 above, pressing F1 moves the cursor (resting in “OUTPUT”) from the UPS Menu Window (2) to current record window (4) where it would f...
Page 66 - its configuration and its status.; Menu and Data Window; Settings menu; Descriptions of UPS menus and data window items; Menu
Operator Control Panel and Display 58 7.1.5 Detailed Description of Menu Items The description that follows refers to the graphic LCD monitor window shown on Figure 32 . UPS System Window: This fixed-pane window displays current time and date and identifies the UPS, its configuration and its status....
Page 67 - Descriptions of UPS menus and data window items (continued)
Operator Control Panel and Display 59 System 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. Battery Battery voltage (V) Battery bus voltage Battery...
Page 68 - Current Record Window; for a complete list of supported status messages.; All Status and Event Messages Displayed on the UPS Front Panel; tor and Menu keys; Message
Operator Control Panel and Display 60 Current Record Window Keeps a log the events that resulted in the current mode of operation. Ignores transient conditions that have been resolved.Use “page” (F1) and up / down arrow to read the events.For a complete history log, refer to the Records tab of the M...
Page 72 - tions and / or to require user confirmation of a command.; Dynamic Energy Flow Chart and UPS Help Screen; screen and the main screen.; Figure 34 Help screen; Prompt
Operator Control Panel and Display 64 7.3 Prompt (Pop-Up) Windows The prompt window is displayed during the operation of the system to alert the user to certain condi- tions and / or to require user confirmation of a command. 7.4 Dynamic Energy Flow Chart and UPS Help Screen This screen displays a m...
Page 73 - Default Screen Saver; Figure 35 Default screen
Operator Control Panel and Display 65 7.5 Default Screen Saver This default screen is displayed following at least 2 minutes of operation with no new alarm. After another delay, the backlight turns off. Press any key (F1-F4 or Help) to reactivate the screen. Figure 35 Default screen F2 F3 F4 HELP F1...
Page 74 - Options—For Assembly Inside the UPS Cabinet; Protection; Figure 36 Battery ground fault detection set connections; Terminal; Common; BCB or; Socket; BtG
Options—For Assembly Inside the UPS Cabinet 66 8.0 O PTIONS —F OR A SSEMBLY I NSIDE THE UPS C ABINET Several items of optional equipment are available for connection to the Liebert NX UPS. These are described in this section of the manual and should be fitted prior to installation. 8.1 Protection 8....
Page 75 - with the failure of some fans. No extra footprint is required.; Figure 37 Redundant power module fan set; TOP VIEW; Standard AC Fan
Options—For Assembly Inside the UPS Cabinet 67 8.1.2 Redundant Fan for Power Module In addition, to ensure sufficient cooling power at various operation modes with 100% rated load, a redundant power module fan set can be supplied, thus ensuring continuity of UPS operation even with the failure of so...
Page 76 - Figure 39 OC Web Card data summary window
Options—For Assembly Inside the UPS Cabinet 68 8.1.3 OC 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 network and in addition the same card will also transmit the sa...
Page 77 - Summary Alarm; Relay Card pin configuration; Pin; Relay card jumpers; Connection
Options—For Assembly Inside the UPS Cabinet 69 8.1.4 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 ...
Page 78 - Figure 41 SiteNet MultiPort4 Intellislot pin configuration; CPU
Options—For Assembly Inside the UPS Cabinet 70 Figure 41 SiteNet MultiPort4 Intellislot pin configuration Table 27 SiteNet MultiPort4 Intellislot pin assignment Pin Assignment Description 1 Low Battery 2 Not Used 3 Not Used 4 Not Used 5 Not Used 6 Not Used 7 Low Battery Common 8 Utility Fail Common ...
Page 79 - NX communication options
Options—For Assembly Inside the UPS Cabinet 71 8.2 OC485 Web Card – Modbus, Jbus, IGM Net The OpenComms 485 Card facilitates SiteScan Web or Building Management Systems monitoring.The RS232 port is used for connection to a personal computer for setting up.The RS-485 port supports IGM Net and Modbus/...
Page 80 - Figure 43 Dust filter replacement; Sems screw
Options—For Assembly Inside the UPS Cabinet 72 8.2.2 Dust Filter for 10-30kVA Installing the two dust filters in the Liebert NX requires only a Phillips screwdriver. Each filter is held in place by a bracket on either side of each filter. To install each filter:1. Open the UPS door and locate the fi...
Page 81 - Technical Specifications; ECHNICAL; The product standards in; Compliance with European, international standards
Technical Specifications 73 9.0 T ECHNICAL S PECIFICATIONS 9.1 Conformity and Standards The UPS has been designed to conform to the following European and international standards: The product standards in Table 29 incorporate relevant compliance clauses with generic IEC and EN standards for safety (...
Page 82 - Mechanical characteristics
Technical Specifications 74 Table 32 Mechanical characteristics Rated Power, kVA Unit of Measurement 10 15 20 30 Dimensions, WxDxH mm (in) 600x700x1400 (23-9/16x27-5/8x55) Mass Mass without batteries kg (lb) 180 (397) 204 (450) 204 (450) 210 (463) Finish N/A Pantone 877 (Silver grey) equivalent Beck...
Page 83 - Battery
Technical Specifications 75 Table 34 Battery Intermediate DC Circuit Rated Power, kVA Unit of Measurement 10 15 20 30 Battery Bus Voltage VDC Nominal: 480V (VRLA Float charge is 540V) Range: 400V - 616V Number of Lead-Acid Cells Nominal 240 = [40 x 6-cell (12V) blocks] Maximum 264 = [44 x 6-cell (12...
Page 84 - Bypass mains input
Technical Specifications 76 Table 36 Bypass mains input Rated power, kVA Unit of Measurement 10 15 20 30 Rated AC Voltage 1 VAC 380/400/415 V three-phase four-wire, sharing neutral with the rectifier input and providing neutral reference to the output Rated Current 380V A 15 23 30 45 400V A 15 22 29...
Page 85 - NOTES
Page 88 - AC Power Systems
EmersonNetworkPower.com Ensuring The High Availability0f Mission-Critical Data And Applications. Emerson Network Power, the global leader in enabling business-criticalcontinuity, ensures network resiliency and adaptability througha family of technologies—including Liebert power and coolingtechnologi...