Related Manuals for Liebert NX
Summary of Contents for Liebert NX
- Page 1 AC Power For Business-Critical Continuity Liebert NX UPS User Manual–10-30kVA, 400V, 50/60Hz...
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Page 3: Table Of Contents
TABLE OF CONTENTS UPS I .........3 INGLE ODULE NSTALLATION... - Page 4 Features of NX Multi-Module UPS Configurations ....... . . 42...
- Page 5 Battery Protection (settings by commissioning engineer) ......44 ..........45 PERATING ROCEDURES Introduction .
- Page 6 Figure 22 10-30kVA NX front view with doors open ....... .
- Page 7 NX communication options........
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Page 8: Figure I Model Number Nomenclature
(XXX: 050 or 150) - Specify length in meters. Used for extension in length or Dual Bus Extension Kit 50-150 Meters NXXXXMLBSKIT dual bus arrangement between Nx and non-Nx sources' Specify number of blocks. Consult BDS 40 or Individual Battery Monitoring... -
Page 9: Safety Precautions
Failure to do so could result in personnel safety risk, equipment malfunction and invalidation of war- ranty. The Liebert NX has been designed for Commercial/Industrial use only, and is not recommended for use in life support applications. This is a low emission CLASS A Uninterruptible Power System (UPS) product. In a residential envi- ronment, this product may nevertheless cause radio interference, in which case, the user may be required to take additional measures. - Page 10 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 regulations for equipment located in an operator accessible area.
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Page 11: Single
NOTE Three-phase, 4-wire input supply required. The standard Liebert NX UPS is suitable for connection to 3-phase, 4-wire (+ Earth) TN, TT and IT AC power distribution systems (IEC60364-3). Optional 3-wire to 4-wire conversion transformers are available. If it is used in IT AC power distribution systems, a 4-pole circuit breaker must be used on the input and refer to the relative IT Systems’... -
Page 12: Location
(see Table 30). All models in the Liebert NX UPS range are air-cooled with the aid of internal fans. Cold air enters through ventilation grilles at the front of the cabinet and hot air is released through the grilles at the back. -
Page 13: Positioning
Ensure that any equipment used to move the UPS cabinet has sufficient lifting capacity. The UPS is fitted with casters. Take care to prevent the NX from moving when unbolting the unit from its shipping pallet. Ensure that adequate personnel and lifting aids are available when removing the shipping pallet. -
Page 14: Clearances
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 the equipment for unimpeded passage of person- nel with the doors fully opened. -
Page 15: External Battery
The residual earth current introduced by the RFI suppression filter inside the UPS is greater than 3.5mA and less than 860mA. Liebert recommends verifying the selectivity with all other differential devices both upstream of the input distribution board and downstream (toward the load). -
Page 16: Power Cables
Single Module UPS Installation 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 Figure 22. WARNING Before starting the UPS, ensure that you are aware of the location and operation of the external isolators that connect the ups input/bypass supply to the mains distribution panel. -
Page 17: Cable Termination
Single Module UPS Installation 1.6.1 Cable Termination NOTE The operations described in this section must be performed by authorised electricians or qualified technical personnel. If you have any difficulties, do not hesitate to contact our Customer Service and Support Department. See the back page of this manual for contact information. - Page 18 Single Module UPS Installation Output System Connections 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. WARNING If the load equipment will not be ready to accept power on the arrival of the commissioning engineer, ensure that the system output cables are safely isolated at their ends.
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Page 19: Control Cables And Communication
Single Module UPS Installation 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 computer or provide alarm signaling to external devices or for Remote Emergency Power Off (REPO). -
Page 20: Dry Contacts
Single Module UPS Installation 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 Generator Contacts The UPS accepts external signalling from voltage-free (dry) contacts connected to finger-proof, push-in ter- minal X3 IN DRY. -
Page 21: External Circuit-Breaker Interface
Single Module UPS Installation 1.8.3 External Circuit-Breaker Interface J10 is the interface to any external battery circuit breaker (BCB). External circuit-breaker interface Table 5 Name Position Description J10.1 BCB Driver Signal - (reserved) J10.2 BCB Contact State -(reserved) J10.3 Power Ground J10.4 BCB On-Line - Input - This pin will become active when BCB interface is connected. -
Page 22: Output Dry Contacts
Single Module UPS Installation 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 +12V EPO - NO EPO - NC Table 6 Output dry contact relays Name... -
Page 23: Emergency Power Off Input
Single Module UPS Installation 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 the remote EPO input interface. -
Page 24: External Bypass Switch Interlock
Single Module UPS Installation 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. -
Page 25: Battery
The NX usually has internal batteries, but longer run time is available by using an external battery cabinet. -
Page 26: Safety
Battery Installation 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 appropriately qualified maintenance personnel by locating the cells in a key-lockable cabinet or in a purpose-designed, dedicated battery room. -
Page 27: Battery Cabinet
The unladen weight is shown below in Table 8. When designing the battery installation the weight of the batteries and cables must be added to the unladen weight. This is particularly important when placing the NX on a raised floor. Table 8... -
Page 28: Battery Temperature Sensor (Optional)
Battery Installation 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 board-U2 Name: W2 L=5m Temperature Sensor... -
Page 29: General Arrangement Drawings
Battery Installation 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 Bottom View 82,5 1400 All dimensions are expressed in millimeters. -
Page 30: Figure 9 Battery Cabinet With Fuse Or Optional Circuit Breaker Locations
Battery Installation Figure 9 Battery cabinet with fuse or optional circuit breaker locations Bottom cable entry... -
Page 31: Figure 10 Battery Cabinet Internal Layout
Battery Installation Figure 10 Battery cabinet internal layout Positions of captive nuts for grille mounting Minimum service space 65mm Captive nut M6 Hex flange screw M6x16 Detail B 3 Layers: 1 Layer: Largest battery dimensions: Largest battery dimensions: 201x170x190 (LxWxH) 201x170x190 (LxWxH) All measurements are in millimeters. -
Page 32: Battery Power Cables
Battery Installation Figure 11 Battery cabinet, bottom entry AMNXE0NBCSL4BT Item # Item Name Grille steel Grille steel Middle pillar Cover module BC Small NXe Ground bus Captive nut M4 Captive nut M6 Screw flange M6x16 Nut flange M6 Screw M6x16 countersink Spring washer M4 Flat washer M4 Screw mushroom head cross M4x12... -
Page 33: Fitting The Batteries
• Battery Protection Fuses/Circuit Breaker—4 The battery circuit breaker is generally installed at the front of the battery room. See 2.5 - Bat- tery Control for details on connecting the circuit breaker box available for the Liebert NX. Figure 12 Battery room design... -
Page 34: Ups Multi -Module Installation
UPS Multi-Module Installation UPS M ULTI ODULE NSTALLATION 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 on the front panel of the UPS module (that stops operation of that module), the UPS supports also a remote emergency stop to permit simultaneous multi-module shutdown. -
Page 35: Paralleled Ups Modules
UPS Multi-Module Installation 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 Cabinet Installation Place the UPS modules side by side and interconnect as shown in Figure 14. -
Page 36: External Protective Devices
UPS Multi-Module Installation Figure 15 Dry contacts, multiple UPS modules with distribution panel Input Distribution UPS 1 UPS 2 UPS N M3 Board M3 Board M3 Board Ext. Maint. Ext. Out Ext. Maint. Ext. Out Ext. Maint. Ext. Out 1 2 3 4 1 2 3 4 1 2 3 4 Q1Ext... -
Page 37: Control Cables
UPS Multi-Module Installation 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 top, behind protective cover of each UPS module (refer to Figure 23). -
Page 38: Power Cables
UPS Multi-Module Installation 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. -
Page 39: Dual Bus System
UPS Multi-Module Installation 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 single input loads an optional Static Transfer Switch may be added and the stan- dard Load Bus Synchroniser activated. -
Page 40: Control Wires
For Liebert NX to non- NX (whether another Liebert UPS range or not) dual bus configuration, one DBS interface box shall be mounted on the non- Liebert NX UPS. In this situation, the other UPS sys- tem is always treated as a master and the following conditions are covered: •... -
Page 41: Installation Drawings
Installation Drawings NSTALLATION RAWINGS Figure 20 Electrical connections Earth To Customer’s Safety Earth Ext. Maint. Parallel Board To Critical Load Ext. Out Power Cables Main/Bypass Input Modem- Monitor Board Supply SNMP RS-485 Input J28-1 X2 Ext EPO J28-2 External Battery J28-3 J28-4 Batt... -
Page 42: Figure 21 General Arrangement-10-30Kva Ups Module
Installation Drawings Figure 21 General arrangement—10-30kVA UPS module 10mm dia threaded mounting holes 86.5 Leve Detail A, rear of unit shown without side panel Leveling feet LEFT SIDE VIEW FRONT VIEW 867.5 1380 BOTTOM VIEW 1) Air inlet grille TOP VIEW 2) Air outlet grille 3) Adjustable fixing feet 4) Castors for maneuvering... -
Page 43: Figure 22 10-30Kva Nx Front View With Doors Open
Installation Drawings Figure 22 10-30kVA NX front view with doors open 1) Main/Bypass Input terminal (T1) 2) Battery /Output terminal (T2) 3) Input circuit breaker (CB1) 4) Rotary switch (SW1) 5) Monitor board (U2) External Battery Input Output Main Input... -
Page 44: Figure 23 Location Of Parallel Logic Board M3
Installation Drawings Figure 23 Location of parallel logic board M3 Battery Start Interface Parallel Logic Board NXe 10-30kVA Top View... -
Page 45: Figure 24 Internal Battery Layout And Connecting-Gp12120 F2 (12Ah/12V)
Installation Drawings Figure 24 Internal battery layout and connecting—GP12120 F2 (12AH/12V) BOTTOM LAYER TOP LAYER Layer 5 Layer 4 Layer 3 Layer 2 Layer 1 W501 4pcs W500 34Pcs W503 W502 W511 W510 W515 W514 W513 W512 W506 W508 W509 W505 W507 NOTE 1. -
Page 46: Figure 26 Internal Battery Layout
Installation Drawings Figure 26 Internal battery layout 347mm 151mm 562mm 160mm 160mm 160mm 160mm Battery 136mm... -
Page 47: Operation
The NX UPS supplies power that is free of the disturbances and variations in voltage and frequency com- mon to utility power, which is subject to brownouts, blackouts, surges and sags. -
Page 48: Static Transfer Switch
Operation 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 system operation the load is connected to the inverter;... -
Page 49: Redundant Control Power Supply Board
Operation 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 operate normally. -
Page 50: Features Of Nx Multi-Module Ups Configurations
Optional isolation transformers are available for applications where sources do not share the same neutral reference or where the neutral is not available. Modes of Operation The NX UPS is an on-line, double-conversion, reverse-transfer UPS that permits operation in these modes: • Normal Mode •... -
Page 51: Bypass Mode
5.3.9 Frequency Converter Mode The NX UPS can be programmed into frequency converter mode for either 50Hz or 60Hz stable out- put frequency. The input frequency may vary from 40Hz to 70Hz. In this mode the static bypass oper- ation is disabled, and the battery becomes optional depending on any requirement to operate in... -
Page 52: Battery Management-Set During Commissioning
Operation 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 Lead Acid (VRLA) batteries, maximum boost charge voltage should not exceed 2.4V / cell. -
Page 53: Operating Procedures
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. -
Page 54: Ups Startup
Operating Procedures 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. -
Page 55: Verify Switching Between Operation Modes
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 NX. To return to normal mode, wait a few seconds and close CB1. The rectifier will restart automati- cally after 10 seconds and resume feeding power to the inverter. -
Page 56: Switching The Ups From Normal To Maintenance Bypass
Operating Procedures 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. CAUTION 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. -
Page 57: Powering Down The Ups And Maintaining Power To Load
Operating Procedures Powering Down the UPS and Maintaining Power to Load NOTE An external Maintenance Bypass Cabinet must be installed before attempting to perform the following procedure If the UPS needs to be shut down completely while maintaining power to the load, follow these steps: 1. -
Page 58: Emergency Shutdown With Epo
Operating Procedures 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 stops charging or discharging. If the input utility is present, the UPS’s controls will remain active;... -
Page 59: Language Selection
Operating Procedures 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, press the F1 (shift) key to move the cursor to the menu at the top of the screen. -
Page 60: Isolating One Module In A Multi-Module System
Operating Procedures 6.12 Isolating One Module in a Multi-Module System NOTE The Multi-Module system must have at least one UPS module redundant in the system and have an external output breaker installed with interlocking cables connected to the UPS module. The inverter firmware in each UPS in the system must be I140 or greater. 1. -
Page 61: Inserting One Module Into A Multi-Module System
Operating Procedures 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 commissioned by authorized personnel and the external power isolators are open. -
Page 62: Operator Control Panel And Display
Figure 31 UPS control and display panel The operator control panel is divided into three functional areas Mimic Power Flow Chart Graphic LCD monitor with menu keys Direct Access keys Liebert NX 2005-10-22 17:32:20 Status 020kVA 3X3 Single... -
Page 63: Mimic Power Flow
Operator Control Panel and Display 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. Table 12 Rectifier indicator—1 Green Rectifier in Normal Operation Flashing Input AC Normal, but rectifier not operating Green Rectifier Failed Rectifier Not operating, Input AC Not Available or out of normal range... -
Page 64: Direct Access Push Buttons (Keys)
LEFT RIGHT HELP ENTER Next Data Window Window Type 2 Escape DOWN Figure 32 Graphic LCD monitor windows and keypad 1 - UPS System Liebert NX 2005-10-22 17:32:20 20kVA 3X3 Unit #1 Normal Window 2 - UPS Menu Bypass Output... -
Page 65: Figure 33 Menu Tree
Operator Control Panel and Display 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 first rest in “Input breaker closed’. -
Page 66: Detailed Description Of Menu Items
UPS System Window: This fixed-pane window displays current time and date and identifies the UPS, its configuration and its status. Table 20 UPS system window Description Explanation Liebert NX UPS family name YYYY-MM-DD (see Settings menu for other date formats) 2005-10-22 12:30:36 Current Time (24 hr HH:MM:SS format) - Page 67 Operator Control Panel and Display Table 21 Descriptions of UPS menus and data window items (continued) Menu Type Item Type Explanation Sout (kVA) Sout: Apparent power Pout (kW) Pout: Active power System Qout (kVAR) Qout: Reactive power When configured as a single unit, UPS has only native load, no system Single unit, no parallel data load.
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Page 68: All Status And Event Messages Displayed On The Ups Front Panel
Operator Control Panel and Display 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 Menu and Data Window. - Page 69 Operator Control Panel and Display Table 22 UPS messages (continued) Message Description / Suggested Action (if any) 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 if there are some relevant alarms such as “Bypass disconnect open”, “Bypass phase reverse”...
- Page 70 Operator Control Panel and Display Table 22 UPS messages (continued) Message Description / Suggested Action (if any) The UPS is confirmed to overload and the overload times out. Note 1: the highest loaded phase will indicate overload timing-out first. Note 2: When the timer is active then alarm “unit overload” should also be active as the load is above nominal.
- Page 71 Operator Control Panel and Display Table 22 UPS messages (continued) Message Description / Suggested Action (if any) Fault Reset Fault clear direct access key pressed Alarm Silence Silence On/Off direct access key pressed Inverter failed to turn on when Inverter On direct access key was pressed. This may be as a Turn On Fail result of Invalid Operation (Maintenance bypass on) or DC bus or rectifier not ready.
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Page 72: Prompt (Pop-Up) Windows
Operator Control Panel and Display 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. Table 23 Prompt windows, meanings Prompt Meaning Inverter and Bypass supplies are not synchronised and... -
Page 73: 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 Liebert NX 2005-05-22 12:30:36... -
Page 74: Options-For Assembly Inside The Ups Cabinet
PTIONS SSEMBLY NSIDE THE 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. Protection 8.1.1 Battery Ground Fault Detection... -
Page 75: Redundant Fan For Power Module
Options—For Assembly Inside the UPS Cabinet 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 some fans. -
Page 76: Oc Web Card - Snmp/Http Network Interface Card
Options—For Assembly Inside the UPS Cabinet 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 same status information and all measured parameters for display via a Web browser. -
Page 77: Relay Card
AS/400 computers (additional cable required) and other relay contact monitoring systems. The Relay card is rated for 24 VAC/VDC at 1A and supported in any of the three NX Intellislot bays. Table 25 Relay Card pin configuration... -
Page 78: Figure 41 Sitenet Multiport4 Intellislot Pin Configuration
Options—For Assembly Inside the UPS Cabinet Figure 41 SiteNet MultiPort4 Intellislot pin configuration Table 27 SiteNet MultiPort4 Intellislot pin assignment Assignment Description Low Battery Not Used Not Used Not Used Not Used Not Used Low Battery Common Utility Fail Common Utility Fail... -
Page 79: Oc485 Web Card - Modbus, Jbus, Igm Net
The RS-485 port supports IGM Net and Modbus/JBus protocols and maps the operation of the UPS including status, alarms and data (voltages, currents, frequency, power, power factor, temperatures etc.) Figure 42 OC485 Web card Table 28 NX communication options On the UPS Physical Labeled LCD screen,... -
Page 80: Dust Filter For 10-30Kva
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 filters (on the back side of the front door; see Figure 43). -
Page 81: Technical
Technical Specifications ECHNICAL PECIFICATIONS Conformity and Standards The UPS has been designed to conform to the following European and international standards: Table 29 Compliance with European, international standards Description Normative reference General and safety requirements for UPS used in EN 50091-1-1 /IEC 62040-1-1 / AS 62040-1-1 operator access areas Electromagnetic compatibility (EMC) requirements for EN 50091-2 / IEC 62040-2 / AS 62040-2 (Class A) -
Page 82: Table 32
Technical Specifications Table 32 Mechanical characteristics Unit of Measurement Rated Power, kVA 600x700x1400 Dimensions, WxDxH mm (in) (23-9/16x27-5/8x55) Mass Mass without batteries kg (lb) 180 (397) 204 (450) 204 (450) 210 (463) Pantone 877 (Silver grey) Finish equivalent Becker Silver epoxy polyester powder 041-37-2 Protection Degree, IEC (60529) IP20 (finger-proof with front doors open or closed) Table 33... -
Page 83: Battery
Technical Specifications Table 34 Battery Intermediate DC Circuit Rated Power, Unit of Measurement Battery Bus Nominal: 480V (VRLA Float charge is 540V) Voltage Range: 400V - 616V Number of Lead-Acid Cells Nominal 240 = [40 x 6-cell (12V) blocks] Maximum 264 = [44 x 6-cell (12V) blocks] 2.25 V/cell (selectable from 2.2 –2.3V/cell) Float Voltage... -
Page 84: Table 36 Bypass Mains Input
Technical Specifications Table 36 Bypass mains input Unit of Rated power, kVA Measurement 380/400/415 V Rated AC Voltage three-phase four-wire, sharing neutral with the rectifier input and providing neutral reference to the output Rated Current 380V 400V 415V 135% long term Overload Capacity 170% 10 min 1000% 100 ms... - Page 85 Technical Specifications NOTES...
- Page 86 Technical Specifications...
- Page 88 All rights reserved throughout the world. Specifications subject to change Hong Kong without notice. 852 2572220 ® Liebert and the Liebert logo are registered trademarks of Liebert Corporation. All names referred to are trademarks Fax: 852 28029250 or registered trademarks of their respective owners.