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AC Power
For

Business-Critical Continuity™

Liebert NX

™

UPS

User Manual–40-120kVA, 480V, 60Hz

Содержание Liebert NX

Страница 1: ...AC Power For Business Critical Continuity Liebert NX UPS User Manual 40 120kVA 480V 60Hz ...

Страница 2: ......

Страница 3: ...nets 7 2 0 ELECTRICAL CONNECTIONS 10 2 1 Power Cabling 10 2 1 1 Cable Rating 10 2 1 2 UPS Input Configuration 11 2 1 3 Cabling Guidelines 11 2 1 4 Cable Connections 12 2 1 5 Safety Ground 13 2 1 6 Protective Devices 13 2 1 7 Cabling Procedure 14 2 2 Control Cables 15 2 2 1 Monitor Board Features 15 2 3 Dry Contacts 16 2 3 1 Input Dry Contacts 17 2 3 2 Maintenance Bypass Cabinet Interface 17 2 3 3 ...

Страница 4: ...trol Cables 29 4 3 6 Emergency Power Off EPO 32 5 0 UPS SPECIFICATIONS 33 5 1 Conformity and Standards 33 5 2 UPS Environmental 33 5 3 UPS Mechanical Characteristics 33 5 4 UPS Electrical Characteristics 34 5 4 1 Input Rectifier 35 5 4 2 DC Intermediate Circuit 36 5 4 3 Inverter Output 36 5 4 4 Bypass Input 36 6 0 INSTALLATION DRAWINGS 37 7 0 OPERATION 53 7 1 General Description 53 7 1 1 Bypass Su...

Страница 5: ...enance Bypass Procedure and Powering Down the UPS 74 9 4 Auto Restart 75 9 5 Emergency Shutdown With EPO 75 9 6 Reset After Shutdown for Emergency Stop EPO Action or Other Conditions 75 9 7 Battery Protection 76 9 7 1 Battery Undervoltage Pre Warning 76 9 7 2 Battery End of Discharge EOD Protection 76 9 8 Multi Module System Procedures 76 9 8 1 Isolating One Module in a Multi Module System 76 9 8 ...

Страница 6: ...ut breaker in multi module system 30 Figure 19 Dry contacts multiple UPS modules with distribution panel 31 Figure 20 Connecting EPO push button 32 Figure 21 Dimensional view front and left side views 37 Figure 22 Dimensions continued top and bottom views 38 Figure 23 Main components typical unit 38 Figure 24 Cable connections 39 Figure 25 Outline drawing 33 battery power pack system single cabine...

Страница 7: ...face 17 Table 3 BCB control interface 18 Table 4 Output dry contact relays 19 Table 5 EPO input contact relays 20 Table 6 Environmental characteristics 33 Table 7 UPS mechanical characteristics 33 Table 8 UPS terminal 34 Table 9 Rectifier input power 35 Table 10 Input voltage window with derating 35 Table 11 Liebert approved replacement batteries 35 Table 12 DC intermediate circuit 36 Table 13 Inv...

Страница 8: ...e at Liebert NX 60kVA UPS terminals 90 Table 32 Cable size tightening torque at Liebert NX 80kVA UPS terminals 91 Table 33 Cable size tightening torque at Liebert NX 100kVA UPS terminals 91 Table 34 Cable size tightening torque at Liebert NX 120kVA UPS terminals 91 Table 35 Estimated battery run time minutes 92 Table 36 UPS status messages 93 ...

Страница 9: ...s Extreme caution is required when performing maintenance Be constantly aware that the UPS system contains high DC as well as AC voltages Check for voltage with both AC and DC voltmeters prior to making contact WARNING As with other types of high power equipment dangerous voltages are present within the UPS and battery enclosure The risk of contact with these voltages is minimized as the live comp...

Страница 10: ...ing must comply with the NEC and applicable local codes ONLY qualified service personnel should perform maintenance on the UPS system When performing maintenance with any part of the equipment under power service personnel and test equipment should be standing on rubber mats The service personnel should wear insulating shoes for isolation from direct contact with the floor earth ground Never work ...

Страница 11: ...s caution followed by important instructions AC input AC output Requests the user to consult the manual Indicates the unit contains a valve regulated lead acid battery Recycle DC voltage Equipment grounding conductor Bonded to ground AC voltage i PbH2SO4 R ...

Страница 12: ...e system if damage is apparent If any damage is noted file a damage claim with the shipping agency within 24 hours and contact Liebert Global Services at 1 800 LIEBERT to inform them of the damage claim and the condition of the equipment 2 Compare the contents of the shipment with the bill of lading Report any missing items to the carrier and your local Liebert representative immediately WARNING D...

Страница 13: ...te matter Compliance with fire prevention regulations and practices Operating environment temperature of 74 80 F 23 27 C for maximum battery efficiency 1 4 2 Environmental Considerations Before installing the Liebert NX verify that the UPS room satisfies the environmental conditions stipulated in 5 2 UPS Environmental paying particular attention to the ambient temperature and air exchange system T...

Страница 14: ...nets should be moved with a forklift or similar equipment Final Position When the equipment has been finally positioned ensure that the adjustable stops are set so that the UPS will remain stationary and stable see 6 0 Installation Drawings 1 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 Th...

Страница 15: ...moving a metal plate attached to the UPS These plates are designed to allow the personnel to punch holes for fitting and securing the conduit Once the conduit holes are punched these plates should be reattached to the UPS System Composition A UPS system can comprise a number of equipment cabinets depending on the individual system design requirements e g UPS cabinet with External Bypass cabinet an...

Страница 16: ...bert NX UPS Front of Units Battery Cabinet Battery Cabinet Battery Cabinet Liebert NX UPS Front of Units Multi Module Parallel Cabinet Battery Cabinet Battery Cabinet Battery Cabinet Liebert NX UPS Liebert NX UPS Liebert NX UPS Liebert NX UPS Battery Cabinet Front of Units Front of Units Battery Cabinet Liebert NX UPS Battery Cabinet Liebert NX UPS ...

Страница 17: ... Liebert NX UPS Liebert NX UPS Liebert NX UPS Liebert NX UPS Front of Units Liebert Foundation Power Center Battery Cabinet Liebert NX UPS Front of Units Battery Cabinet Liebert Foundation Power Center Liebert NX UPS Front of Units Liebert Foundation Power Center Battery Cabinet Battery Cabinet Battery Cabinet Liebert NX UPS Front of Units Liebert Foundation Power Center Battery Cabinet Battery Ca...

Страница 18: ... the output AC voltage Battery cables When connecting an external battery cabinet the battery cables must be sized for the battery discharge current at the end of discharge voltage as given in Table 8 with respect to the unit rating The power cables can be sized to suit the UPS unit rating according to Table 8 Lug Size and Torque Requirements Refer to Table 24 for lug size and torque requirements ...

Страница 19: ...th the input overcurrent protection device data in Table 8 The ground cable connecting the UPS to the main ground system must follow the most direct route possible Control wiring and power wiring must be run in separate conduit Output and input cables must be run in separate conduit 2 Consider using paralleled smaller cables for heavy currents this can ease installation 3 When sizing battery cable...

Страница 20: ...atteries are accessible from the front of the UPS Figure 4 Input and output busbars NOTE External connection access requires removal of a protective panel on the lower front of the UPS NOTE There is no battery fuse in the UPS the battery cabinet must include a circuit breaker to cut off the current in case of short circuit Refer to Table 8 for current ratings Rectifier Input Busbars Phases are ind...

Страница 21: ...nts and short circuits in power supply input External overcurrent protection for the AC output circuit is to be provided See 5 4 UPS Elec trical Characteristics and Table 9 for overload capacity When an external battery supply not made by Liebert is used the customer must provide overcur rent protection for the battery circuit Dual Input When wiring the UPS with dual inputs the Rectifier input and...

Страница 22: ...C input supply cables between the power distribution panel and the UPS input busbars A B C terminals and tighten the connections to 88 lb in 10 N m using the M8 bolt provided 7 For the Rectifier Input connect AC input supply cables between the power distribution panel and the UPS input circuit breaker A B C terminals Output System Connections Ensure Correct Phase Rotation 8 Connect the system outp...

Страница 23: ...for this purpose is located on the rear of the operator access door The main features are Input and Output dry contacts signal one pair of contacts of relay Emergency Power Off control EPO Environmental parameter input interface User communication for data setting and user background monitor Liebert IntelliSlot interface Modem interface Temperature detect interface Figure 5 shows the relationship ...

Страница 24: ... operating the Liebert NX with dry contacts ESD measures must be taken or the contacts may be damaged NOTE The black square on each slot indicates Pin 1 J3 J1 J13 J21 J25 J28 J4 J26 J30 J10 J22 J23 J12 J9 J15 J17 J24 X4 X4 J16 X1 X2 X3 Liebert IntelliSlot 2 Liebert IntelliSlot 1 Liebert IntelliSlot 3 J8 J2 LCD BFP INV ACF EPO Dry in MBC BCB X5 X6 X7 PWR MODEM SNMP CARD ...

Страница 25: ...charger current 0 100 3 Activating this feature turns the battery charger off Table 2 Maintenance bypass cabinet interface Position Name Description J26 1 T_IT1 Input transformer over temperature N C J26 2 AUX_I Reserved J26 3 12V 12V Power J26 4 GND Power Ground J30 1 FUSE Reserved J30 2 F_FAN Fan Fail Alarm N C J30 3 T_OT1 Output Transformer Overtemperature N C J30 4 AUX_O Reserved 1 Must be con...

Страница 26: ...0 3 GND Power Ground J10 4 OL 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 Wire should be 20 16AWG stranded for maximum runs between 82 and 197 feet 25 60m respectively NOTE If a BCB interface is connected and a battery interface board is not used a jumper needs to added between Pin 3 and Pin 4 UPS ...

Страница 27: ...horted J21 2 INV_O Inverter mode relay Normally open Closed when UPS is in inverter mode J21 3 INV_S Inverter mode relay center J21 4 INV_C Inverter mode relay Normally closed Open when UPS is in inverter mode J25 2 ACF_O Main input fault relay Normally open Closed when main input is in fault J25 3 ACF_S Main input fault relay center J25 4 ACF_C Main input fault relay Normally closed Open when mai...

Страница 28: ...d terminals X2 3 and 4 must be opened and X2 1 and 2 must be closed Figure 10 EPO wiring Table 5 EPO input contact relays Position Name Description J28 1 EPO_NC EPO Activated when opened to J28 2 J28 2 EPO_NC EPO Activated when opened to J28 1 J28 3 EPO_NO EPO Activated when shorted to J28 4 J28 4 EPO_NO EPO Activated when shorted to J28 3 NOTE The Emergency Stop action within the UPS shuts down t...

Страница 29: ... if the UPS is turned Off To minimize the risk of injury a qualified service person should disconnect the batteries before any maintenance is performed on the unit A battery can present a risk of electrical shock and high short circuit current The following precautions should be observed when working on batteries Remove watches rings and other metal objects Use tools with insulated handles Wear ru...

Страница 30: ...an be stored for up to six months without appreciable deterioration If plan ning to store a battery cabinet for longer than six months or at temperatures higher than 77 F 25 C contact Liebert Global Services for recommended precautions When installing an external battery cabinet that is NOT a Liebert NX battery cabinet the customer must provide overcurrent protection See Table 8 for sizing of prot...

Страница 31: ...ce Clearance Allow front access to the battery cabinet at all times for maintenance and ser vicing Electrical codes require that the battery cabinet be installed with no less than 3 feet 1m of clearance at the front of the cabinet when operating Side and rear panels do not require service clear ance Cables Cables may be run between the cabinets through cutouts in the top of the cabinet eliminat in...

Страница 32: ... Non Standard Batteries When batteries other than a matching battery cabinet are used a remote battery disconnect switch with overcurrent protection is required per the National Electrical Code Contact your local Liebert sales representative about this option Install battery racks cabinets and batteries in accordance with the manufacturer s instructions Verify that the battery area has adequate ve...

Страница 33: ...rating integrity Additional capabilities include automatic internal DC resistance tests and trend analysis providing the ability to analyze performance and aid in troubleshooting The Alber monitoring system is installed inside the battery cabinet see Figure 11 The monitoring system requires approximately 0 5A single phase 480V This power can come from the output terminals of the UPS a distribution...

Страница 34: ...ems 4 1 2 LBS Cable and Settings For Liebert NX to Liebert NX dual bus configuration only one optional LBS cable is required the built in LBS will operate normally without an extra LBS control box or interface box The LBS port is X4 on the parallel board M3 The parallel board is on the interior of the Liebert NX above and left of the power electronics see Figure 23 An optional 9 pin LBS cable is u...

Страница 35: ...ntrols for parallel UPS module operation are standard in the Liebert NX and the configu ration can be set up by changing the settings in configuration software It is easy to install the parallel cables in a ring providing high reliability and redundancy And the intelligent paralleling logic provides the user with maximum flexibility For example shut ting down or starting up the UPS modules in the ...

Страница 36: ... inverter will be synchronized with the bypass Other wise the system will operate at nominal frequency Battery Mode Operation The batteries of all UPS modules power the load through their inverters The system operates at nominal frequency Bypass Mode Operation The condition to transfer to bypass mode is essentially the same as that of single module system The bypass of all the UPS modules powers t...

Страница 37: ...ower Cabling The bypass sources of all modules should be the same and the outputs should be connected altogether cor rectly Power cables are field supplied Power cables to the UPS s of the paralleling cabinet must be routed through either the top or bottom entry access of the UPS 4 3 5 Parallel Control Cables Parallel System Control Cables Make the connections listed below on the parallel logic bo...

Страница 38: ... 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 9 2 UPS Startup X1 1 X1 2 X2 2 X2 1 Parallel Board X4 X3 P5 P3 P4 P1 P2 X1 1 X1 2 X2 2 X2 1 Parallel Board X4 X3 P5 P3 P4 P1 P2 X1 1 X1 2 X2 2 X2 1 Parallel Board X4 X3 P5 P3 P4 P1 P2 X1 1 X1 2 X2 2 X2 1 Parallel Board X4...

Страница 39: ... Dry contacts multiple UPS modules with distribution panel Input Distribution UPS1 M 3 Board X3 Ext Maint Ext Out UPS2 M3 Board X3 Ext Maint Ext Out UPS N M 3 Board X3 Ext Maint Ext Out To Load QUPS QByp Q1Ext Q2Ext QnExt ...

Страница 40: ...described for the single unit installation that an individual emergency stop button is provided for each unit Figure 20 Connecting EPO push button UPS2 UPS1 Monitor Board Monitor Board X2 1 X2 2 X2 1 X2 2 Normally Closed EPO UPS1 X2 3 X2 4 Monitor Board UPS2 X2 3 X2 4 Monitor Board Normally Open EPO ...

Страница 41: ...s Table 6 Environmental characteristics Rated Power 40kVA 60 80kVA 100 120kVA Operating Temperature UPS 32 F to 104 F 0 C to 40 C Optimal Operating Temperature Battery 68 F to 86 F 20 C to 30 C Relative Humidity 0 to 95 non condensing Acoustical Noise dBA at 39 in 1m 62 62 64 Altitude of Operation 1000m per IEC 62040 3 Storage Transport Temperature UPS 4 F to 158 F 20 C to 70 C Storage Transport T...

Страница 42: ...l 2 Hole 40 48 67 5 83 90 8M 54106 ADR21 60 72 101 3 124 5 125 8M 54108 ADR21 80 96 135 166 175 8M 54157 ADR21 100 120 168 8 207 6 225 8M 54167 ADR50 120 144 202 5 249 1 250 8M 54172 TB ADR50 Bypass input for dual input units Unit Rating Nominal Input Current Maximum Input Current OCP Device Rating Bolt Size Maximum Recommended Lug Thomas Betts part number Compression 2 Hole 3 8 Bolt Mechanical 2 ...

Страница 43: ...round conductors are recommended Neutral conductors to be sized for full capacity per NEC 310 15 b 4 References are per NEC 1999 7 Wiring requirements a AC Input 3 phase 4 wire plus ground output b AC Output 3 phase 3 or 4 wire plus ground 8 All wiring is to be in accordance with national and local electric codes Table 9 Rectifier input power Rated Power kVA 40 60 80 100 120 Rated Voltage VAC 480 ...

Страница 44: ...tage VAC 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 load 105 to 110 for 60 minutes 111 to 125 for 10 minutes 126 to 150 for 1 minute Voltage Regulation 1 0 three phase RMS average for a balanced three phase load 2 0 three phase RMS average for a 100 unbalanced load Frequency Regulation Nom...

Страница 45: ...move access plate punch to suit conduit size and replace 5 Color black 6 Unit bottom is structurally adequate for forklift handling 7 Open door to replace air filter washable type 8 M10 threaded mounting holes used for seismic anchoring or floor stand NOTE If floor stand is used the weight of the unit must be supported under all casters 9 Each mounting location is supported by 2 10ga 135 galvanize...

Страница 46: ...3 120 4 7 841 33 1 600 23 6 87 6 3 5 77 3 671 6 26 4 367 7 14 5 120 7 4 8 120 7 4 8 152 6 Monitor Board Intellislot Communication Ports Replaceable Air Filters FRONT VIEW door open DC Bus Main Input Bus Bypass Input Bus Dual Input Output Bus GND Output Breaker CB5 Maintenance Bypass Breaker CB3 Bypass Breaker CB2 Input Breaker CB1 Parallel Board CB1 CB2 CB3 CB5 ...

Страница 47: ...CB3 CB5 NOTES 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 All wiring is to be in accordance with ...

Страница 48: ... while handling 5 Control wiring and power wiring must be run in separate conduit 6 Aluminum and copper clad cables are not recommended 7 All wiring is to be in accordance with national and local electrical codes 8 Intercabinet wiring between the UPS and the external battery cabinet is field supplied 9 Leveling feet are not designed to carry the full weight of the cabinet Finger tight leveler agai...

Страница 49: ...ed by others 4 All hardware supplied with battery cabinet for bolting cabinet to UPS use M6 hardware provided assemble as shown in detail drawings 5 All external wiring is to be in accordance with national and local electrical codes Front Without Doors and Protective Plates Top Without Protective Plates Transformer For Alber Monitoring System Optional Fused Input for Alber Monitoring System Option...

Страница 50: ...X108 BCB Control Board UHW241C2 X101 RED BLACK GROUND NEGATIV E POSITIVE Bay 2 Bay 1 32 Pcs 1 9 10 11 12 80 Pcs 3 6 Pcs 3 6 5 7 8 13 100 101 TB1 W R W R W Blk W B lk Yellow COM White White Blk B lk Brn Brn Grn Grn Wht Wht White White Blk B lk Red Red X104 X103 X105 X106 103 108 White W B lk W R White 22 21 22 21 NOTE 1 All service and initial connection of batteries must be performed by qualified ...

Страница 51: ...dual drawing of each piece of equipment for additional details Run From To Conductors A UPS Battery Terminal Block First External Battery Cabinet Positive Negative B External Battery Cabinet Additional External Battery Cabinet s Positive Negative C Battery Cabinet s Breaker Control Terminal Block UPS Monitoring Board Battery Breaker Auxiliary Contacts D UPS Ground Battery Cabinets Ground Ground ...

Страница 52: ...ttom is structurally adequate for forklift handling 7 M10 threaded mounting holes used for seismic anchoring or floor stand NOTE If floor stand is used the weight of the unit must be supported under all casters 8 Each mounting location is supported by two 10 ga 135 galvanized steel The threaded insert is approximately 3 4 deep Mounting holes are underneath unit base mounting bolts must be threaded...

Страница 53: ...m is structurally adequate for forklift handling 7 M10 threaded mounting holes used for seismic anchoring or floor stand NOTE If floor stand is used the weight of the unit must be supported under all casters 8 Each mounting location is supported by two 10 ga 135 galvanized steel The threaded insert is approximately 3 4 deep Mounting holes are underneath unit base mounting bolts must be threaded in...

Страница 54: ...n component location drawing Liebert NX 480V Type E parallel cabinet Front Rear System O P Tie Breaker Kirk Key Fuse Disconnect System Output Busbar Ground Busbar UPS Output Breaker System Bypass Tie Breaker UPS Input Breakers System Input ...

Страница 55: ...cation drawing Liebert NX 480V Type E1 parallel cabinet Front With Covers Bypass Tie Breaker Bypass Tie Breaker Ground Bus UPS Input System Input 1240 48 8 2000 78 7 Front Without Covers Rear With Covers Rear Without Covers UPS Output Output Distribution ...

Страница 56: ...tion Drawings 48 Figure 33 Main component location drawing Liebert NX 480V Type E2 parallel cabinet System O P Tie Breaker Kirk Key Fuse Disconnect System Output Busbars Bround Busbar UPS Output Breakers FRONT ...

Страница 57: ... 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 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 4 Module Gnd Ground UPS F Parallel Cabinet Building Gnd Ground System G1 G4 Parallel Cabinet UPS 1 UPS 4 Module UPS Parallel Logic Board M3 Output Breaker Aux Conta...

Страница 58: ...put 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 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 4 Module Gnd Ground UPS F Parallel Cabinet Building Gnd Ground System G1 G4 Parallel Cabinet UPS 1 UPS 4 Module UPS Parallel Logic Board M3 Output Breaker Aux Co...

Страница 59: ...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 4 Module Gnd Ground UPS F Parallel Cabinet Building Gnd Ground System G1 G4 Parallel Cabinet UPS 1 UPS 4 Module UPS Parallel Logic Board M3 Output Breaker Aux Contact H1 H4 Parallel Cabinet UPS 1 UPS 4 Module U...

Страница 60: ...e 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 Assemble as shown in detail drawing 6 All external wiring is to be in accordance with national and local codes 2000 78 7 in 965 38 in LEFT SIDE Without Exterior Panels RIGHT SID...

Страница 61: ...enhance its reliability and increase the ease of use Specifically the Liebert NX 480V utilizes soft switching technology to greatly enhance efficiency As shown in Figure 38 the AC utility source is input at CB1 and the rectifier converts the AC utility into DC power The inverter converts that DC power from the utility or DC power from the batter ies into AC power for the load The batteries power t...

Страница 62: ...to the inverter which regenerates precise AC power to supply the connected equipment The rectifier also uses the utility source power to charge the batteries Battery Mode When utility AC power fails the Liebert NX protects the critical load by instantaneously channeling battery power to the inverter which continues supporting the critical load without interruption When utility power returns and is...

Страница 63: ... for directly paralleling while a built in parallel controller in each UPS ensures automatic load sharing Frequency Converter Mode The Liebert NX can be programmed into frequency converter mode for either 50Hz or 60Hz stable output frequency The input frequency may vary from 57Hz to 66Hz In this mode the static bypass operation is disabled and the battery becomes optional depending on any requirem...

Страница 64: ...ion keys view status and operational data from the Liebert NX in tabular format Control buttons turn the Liebert NX on or off silence alarms Figure 39 Overview of control panel 8 1 1 Display Panel Layout Figure 40 shows the control panel in greater detail identifying individual items that are described in the rest of this section 30kVA 3X3 INVERTER ON SILENCE ON OFF INVERTER OFF FAULT CLEAR EPO LE...

Страница 65: ...icators Control buttons Navigation keys 1 Rectifier indicator 8 Inverter Off Button 15 F1 2 Battery indicator 9 Emergency Power Off Button 16 F2 3 Inverter indicator 10 EPO Cover 17 F3 4 Bypass indicator 11 Fault Clear Button 18 F4 5 Load indicator 12 Silence On Off Button 19 Help 6 Status indicator 13 Inverter On Button 7 Buzzer 14 LCD ...

Страница 66: ...rmal and battery is not discharging Inverter Inverter powering the load normally Flashing Green Inverter on standby Inverter fault Inverter normal but off Bypass Load on Bypass power Bypass out of normal range Bypass Normal Load UPS output on UPS output overloaded UPS no output power Status No alarms UPS working normally Amber UPS has a general alarm UPS has a serious alarm Battery or battery conv...

Страница 67: ...ar After the UPS shuts down due to a fault and the alarm condition has been resolved press this button to clear the fault and restart the UPS Silence On Off Press this button once to silence the alarm buzzer when an alarm is active Any new fault will sound the buzzer again If the alarm buzzer is not beeping press this button to test the alarm sound Inverter On Press this button to start the invert...

Страница 68: ...y to determine how the key operates when pressed see 8 6 Navigation Keys The LCD displays alarm information in real time After appearing in the current status section of the LCD status messages are stored in the history log 512 records can be stored and retrieved Figure 44 Sections of the LCD INVERTER ON SILENCE ON OFF INVERTER OFF FAULT CLEAR EPO LED1 LED2 LED3 LED4 LED5 STATUS F2 F4 HELP F1 F3 L...

Страница 69: ...Use F4 as an Enter key to confirm a choice Use HELP to access help information on the LCD 8 7 UPS System Information The UPS system information displayed at the top of the LCD is detailed in Table 18 Table 17 Icons for navigation keys Key F1 F2 F3 F4 HELP Functions Available Enter Help Shift Left Right Exit Up Down Table 18 Description of items in UPS system window Item Type Explanation Liebert NX...

Страница 70: ...top a battery maintenance test battery capacity test or system test Version view firmware versions for the inverter rectifier and software display board and the model information for the UPS Figure 45 shows a menu tree of the options available from the LCD menus Figure 45 Menu tree Battery Battery voltage V Battery current A Battery temperature C Remain Time Min Battery boost charging Battery floa...

Страница 71: ...attery is float charging Battery disconnected Battery is not connected Records History Log Displays all records in the history log Language choices for text displayed User may select any of 12 languages for LCD text Settings Display contrast Adjust the LCD contrast Date format set Choose the format for date display M D Y D M Y M D Y Y M D Date time Set the date and time Comm1 baud rate Communicati...

Страница 72: ...y test This test performs a full discharge of the battery to obtain a precise measure of the battery capacity Load must be between 20 and 80 System test This is a self test of the UPS When the user activates this function a pop up window appears about 5 seconds later to show the results Stop testing Manually stops a battery maintenance test battery capacity test or system test Freshening Charge Al...

Страница 73: ...ime option then press F4 enter Position the cursor on the row in which the date and time are displayed then press F4 enter Using the F2 and F3 up and down keys enter the current time and date information Press F4 enter to save the settings then press F1 ESC to return to the main menu Figure 47 Set date and time Language Setting Date format LCD contrast Date Time M D Y D M Y 2007 01 12 Command Y M ...

Страница 74: ...tory log History Log When a record moves to the history log the time the status changed is recorded The history log can hold up to 512 records History log records may be viewed by accessing the Records menu Figure 48 Current status and history log records See Appendix A for a complete list of status messages along with a description and any recom mended actions Language Battery History Inverter in...

Страница 75: ...has powered up and completed a self test the output screen appears as shown in Figure 50 This window is the default screen Figure 50 Default screen F2 F4 F1 F3 HELP F2 F4 H E LP F1 F3 L N current A Frequency HZ L L voltage V PowerFactor L1 N L2 71 4 59 9 480 0 99 L2 N L3 70 8 59 9 480 0 99 L3 N L1 71 3 59 9 480 0 99 Output Bypass Main Liebert NX 2007 01 12 12 30 36 80KVA 3X3 Single Normal Input di...

Страница 76: ... appears It remains on the LCD for 2 minutes then the screen will go dark The LCD will become active again when any key is pressed Figure 52 Screen saver window Press ENTER key to view KVA history Press help key back to main menu Help information Select the previous menu item Select the current record window Select the next menu item Q3 Q2 Q1 Q5 F2 F4 HELP F1 F3 Press ENTER key to view KVA history...

Страница 77: ... the results of the test as shown at right Press the F4 Enter key and the pop up window closes 8 13 4 Battery Capacity Test Confirmation When a battery capacity test is started from the Command menu the battery will be discharged to low battery warning level The Liebert NX asks for confirmation before the test is started as shown at right To confirm the choice and begin the battery capacity test p...

Страница 78: ...he UPS The load is connected to utility power via the Maintenance Bypass Supply line NOTE The load is not protected against disturbances in AC input power in this mode On Static Bypass CB1 ON or OFF CB2 ON CB3 OFF CB5 ON The load power is supplied through the static bypass line This may be considered as a temporary mode during load transfers between inverter and maintenance bypass or supply under ...

Страница 79: ... Figure 53 Circuit breakers The UPS unit circuit breakers are CB1 CB2 CB3 and CB5 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 CB3 Maintenance Bypass breaker connects the utility supply to the UPS maintenance bypass CB5 Output breaker connects inverter or bypass to the external output trans...

Страница 80: ... CB3 and CB5 are closed The Maintenance Bypass supply is now in parallel with the UPS Static Switch supply 4 Verify that the Bypass indicator is Green then open CB3 The UPS powers from static bypass instead of from maintenance bypass The bypass and load indicators turn on The design of the hardware and software ensures uninterrupted output 5 Close external battery circuit breaker After the UPS det...

Страница 81: ...e 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 Switch from Bypass Mode to Normal Mode In bypass mode press the INVERTER ON button When the inverter is ready the...

Страница 82: ... battery cabinet is connected the battery circuit breaker will shunt trip open 5 Open the rectifier switch CB1 and bypass breaker CB2 All operator indicators and messages will turn off as the utility driven internal power supplies decay The unit will power down but the load will continue to be supplied by the manual Mainte nance bypass 6 To return unit to normal operation follow the steps in 9 2 1...

Страница 83: ...eeder breaker 9 6 Reset After Shutdown for Emergency Stop EPO Action or Other Conditions Once all appropriate measures have been taken to correct the problem indicated by the alarm mes sage appearing on the operator control panel display carry out this procedure to restore the UPS to regular operation following an EPO action or for the following reasons Inverter Overtemperature Cut off Overload Ba...

Страница 84: ...odule in a Multi Module System 1 Turn Off the inverter 2 Open External Output CB4 in Parallel Cabinet see Figure 54 The UPS enters Isolation Status automatically parallel signaling and communication become masked and output becomes inhibited 3 Power Off the unit for maintenance 4 Power On the unit 5 Unit enters Test Mode by configuration software setting 6 Diagnosis or testing 7 The UPS exits Test...

Страница 85: ...ith separate batteries and optional output bypass distribution panel NOTE All equipment servicing procedures must be carried out only by trained personnel I Line Output Input 480V 3W G FPC 480V 3W G Optional additional systems Optional additional systems CB 3 CB 1 CB 4 SBS UPS AC AC CB 3A Tie breaker ...

Страница 86: ...y racks 5 After the UPS detects the batteries the red battery indicator extinguishes when the battery charger starts operation 6 Close bypass circuit breaker CB2 7 Press the INVERTER ON control button for 2 seconds The inverter will start up and the inverter indicator flashes while it synchronizes to the load volt age and frequency After the inverter is ready the UPS connects to the load the inver...

Страница 87: ...guish as the mains driven internal power supplies decay 9 To completely isolate the UPS from the AC supplies the main external power input isolator both isolators where dual supplies are provided for rectifier and bypass and external output isolator must be opened and tagged with warning labels accordingly 9 9 Commissioning a Parallel System Check the input and output wiring of each UPS module Ens...

Страница 88: ...If the load rates are roughly the same then the parallel system may be assumed to be operating normally NOTE If one module cannot transfer to inverter mode long after its inverter is on its output connection may not be good or its output phase rotation may not be coincident with other modules At this time the LCD for the UPS module will display inverter asynchronous and the inverter indicator will...

Страница 89: ...re detection X6 pin 4 GND 10 1 2 Power Output The X5 slot can provide power for a modem or an external SNMP card Available voltage is from 9V to 12V The maximum current is 500mA 10 1 3 Liebert IntelliSlot Communication The Liebert NX has three Liebert IntelliSlot ports to allow field installation of optional communica tion cards Liebert IntelliSlot cards communicate via Liebert s proprietary ESP2 ...

Страница 90: ...ny Liebert IntelliSlot WEB LB 2400 Not simultaneous with Multilink in RS232 1 See 10 1 5 Configuring Baud Rates Modbus Jbus 2400 See 10 1 5 Configuring Baud Rates Middle Liebert IntelliSlot Intellislot 1 On Monitor Board Comm 2 Multiport 4 any Relaycard int any Liebert IntelliSlot WEB LB 2400 See 10 1 5 Configuring Baud Rates Not simultaneous with Multilink in RS232 2 Modbus Jbus 2400 See 10 1 5 C...

Страница 91: ...e Settings Screen 2 Press F1 to move the highlight into the Data Settings area of the LCD 3 Use the Navigation keys to scroll down to highlight the current baud rate across from the appropriate Comm Channel 4 Press the Enter F4 key to select the Comm Channel to change 5 Navigate to underline the desired baud rate 2400 6 Press the Enter F4 key to lock in the new baud rate NOTE The Comm channel sett...

Страница 92: ...Options 84 Figure 56 Liebert IntelliSlot Web card display ...

Страница 93: ...rminal 8 Not Used 9 Common Low Battery 10 Low Battery Closed if battery is OK 11 Low Battery Closed if LOW BATTERY point occurs 12 13 Not Used 14 UPS Any Mode Shutdown Not supported use External EPO terminal 15 On UPS Closed if ON UPS inverter power 16 On Battery Closed if ON BATTERY power Utility failure 17 Common UPS Fault Summary Alarm On UPS On Battery On Bypass 18 On Battery Closed if not ON ...

Страница 94: ... 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 Figure 57 MultiPort 4 card pin assignment UPS CPU CPU CPU CPU 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 Utilit...

Страница 95: ... remote alarm monitor RAM panel which is driven by volt free alarm status contacts from an optional relay alarm board 10 3 Replacing Dust Filters 1 Open the UPS door 2 The dust filters are behind the door For each filter there is a bracket on either side holding the dust filter in place as shown in Figure 58 3 Remove one bracket and loosen the other The second bracket need not be removed 4 Remove ...

Страница 96: ...ze Grade 2 Standard Electrical Connections with Belleville Washers Lb in N m Lb in N m 1 4 53 6 0 46 5 2 5 16 107 12 60 6 8 3 8 192 22 95 11 1 2 428 22 256 29 Circuit Breakers With Compression Lugs For Power Wiring Wire Size or Range Lb in N m 6 4 100 11 3 1 125 14 1 0 2 0 150 17 3 0 200 MCM 200 23 250 400 MCM 250 28 500 700 MCM 300 34 Circuit Breakers With Compression Lugs For Power Wiring Curren...

Страница 97: ...tem I P Voltage VAC System Max Input Current System Input OCPCB Size A O P Voltage VAC Nominal O PCurrent Rating A Output OCPCB Size A 1 1 E 80 480V 202 5 300 480V 144 3 200 120 480V 135 0 200 480V 96 2 125 E1 80 480V 202 5 300 480V 144 3 200 120 480V 135 0 200 480V 96 2 125 E2 80 N A N A N A 480V 144 3 200 120 N A N A N A 480V 96 2 125 2 1 E 80 480V 405 0 600 480V 288 7 400 120 480V 270 0 350 480...

Страница 98: ...ing 0 5 100 50 0 6 100 60 0 7 100 70 0 8 100 80 0 9 100 90 Unity 1 90 90 Leading 0 9 80 72 0 8 77 61 0 7 75 52 0 6 74 44 0 5 73 36 Table 30 Cable size tightening torque at Liebert NX 40kVA UPS terminals Bus Type Cable Size Copper Wire Only Torque to Tighten Terminal Bus Lug Body Main Input Single Input 4 10 N m Main Input Dual Input 4 10 N m Bypass Input Dual Input 4 10 N m Output 3 10 N m Table 3...

Страница 99: ...ize tightening torque at Liebert NX 100kVA UPS terminals Bus Type 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 Table 34 Cable size tightening torque at Liebert NX 120kVA UPS terminals Bus Type Cable Size Copper Wire Only Torque to Tighten Terminal Bus Lug ...

Страница 100: ...UPS12 100MR 5 18 32 47 UPS12 150MR 13 33 53 75 UPS12 210MR 21 51 81 123 60kVA UPS UPS12 100MR 9 18 27 UPS12 150MR 7 19 33 47 UPS12 210MR 11 31 51 73 80kVA UPS UPS12 100MR 5 11 18 UPS12 150MR 13 22 33 UPS12 210MR 6 21 36 51 100kVA UPS UPS12 100MR 8 12 UPS12 150MR 9 17 25 UPS12 210MR 15 27 38 120kVA UPS UPS12 100MR 5 9 UPS12 150MR 7 13 19 UPS12 210MR 11 21 31 ...

Страница 101: ...onfigured from 3 to 60 minutes Shut down the load in time to prevent damage to equipment and data Battery End of Discharge Inverter turned off due to low battery voltage Check the utility failure and try to recover it Mains Volt Abnormal Mains voltage exceeds the upper or lower limit and results in rectifier shutdown Check the input line to line voltage amplitude of rectifier Mains Undervoltage Ma...

Страница 102: ...waveforms are misaligned by more than 6 degrees in phase This alarm resets automatically once the condition clears First check if the alarm Bypass unable to trace or Bypass abnormal occurs If so solve it first Verify the waveform of the bypass voltage Contact Liebert Global Services at 800 543 2378 for assistance Inverter Fault This alarm indicates a fault condition exists within the inverter Cont...

Страница 103: ...en alarm unit overload should also be active as the load is above nominal Note 3 When the timer has expired the inverter Static Switch is opened and the load transferred to bypass The inverter shutdown and will restart after 1 seconds Note 4 If the load decreases lower than 95 after 5 minutes the system will transfer back to inverter mode Confirm that the alarm is genuine by checking the load perc...

Страница 104: ... Turn On via front panel Inverter turned Off manually Manual Turn Off via front panel EPO Emergency Power Off Transfer Confirm Interrupted Transfer Confirm Transfer Cancel Interrupted Transfer is cancel Unit Off Confirm Unit Turned Off Confirm System Off Confirm Parallel System Turned Off Confirm Fault Reset Fault Reset Alarm Silence Alarm Silence Turn On Fail Turn On Fail Alarm Reset Audible Alar...

Страница 105: ...ard and digital signal processor board MBP T cabinet Fan Fault Maintenance bypass cabinet fans fault Ext Input TX Overtemp External input isolation transformer overtemperature Ext Output TX Overtemp External output isolation transformer overtemperature Battery Room Alarm Environment in Battery Room Needs Attention Rec Flash Update Rectifier firmware is being updated Inv Flash Update Inverter firmw...

Страница 106: ...UPS Status Messages 98 ...

Страница 107: ......

Страница 108: ...ebert Corporation All names referred to are trademarks or registered trademarks of their respective owners Technical Support Service Web Site www liebert com Monitoring 800 222 5877 monitoring emersonnetworkpower com Outside the US 614 841 6755 Single Phase UPS 800 222 5877 upstech emersonnetworkpower com Outside the US 614 841 6755 Three Phase UPS 800 543 2378 powertech emersonnetworkpower com En...

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