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Liebert NXL UPS Single And "1+N" Parallel System 500/600

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4. A Earth bar ES aa B Rectifier cabinet Inverter cabinet Output U3 Output V3 4 Output W3 let Fi El Output N3 Battery Te eatoy P EE Bypass input W2 Bypass input N2 an za aioe I Rectifier input U1 Rectifier input V1 Rectifier input W1 7 Bypass input U2 Bypass input V2 A amplified view B amplified view C amplified view Figure 3 2 Illustration drawing of power cable connection for 500kVA UPS Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 3 Electrical Installation 15
5. i ED ck i A E eS j o E i Input switch 5 QF 7 Gq e Output switch Q3 f E 3 Maintenance bypass switch Q2 E E C 5 Bypass switch El la y Rectifier cabinet Inverter cabinet Figure 5 1 Illustrated drawing of the power supply switches position in 500k VA eS Output switch Maintenance bypass switch Input switch Bypass switch
6. A are a z C a a k 2u Bt at TE silba 22 85 i ma NE T PUR lg Ho oo IE E a Pete Te o E E E Ls y A i Ere m 3 ERA sien Ult Li 3 e a S M gi LO HARRAN x PEI AA INA E fi A gt A Te Rectifier cabinet B Inverter cabinet D Switch cabinet ES y amp 2 ES E Bolt 2 pcs o Flat washer 2 pcs O a O Spring washer 2 pcs G 2 Ni 11 e A o V A amplified view Figure 2 2 Illustration drawing for mechanical connection between the cabinets of 600k VA 800k VA UPS Initial inspection Before installing the UPS carry out the following inspections 1 Ensure that the environment of the UPS equipment room meets the environmental requirement specified in the product technical specifications especially the ambient temperature ventilation conditions and the dust situations 2 Unpack the UPS and battery
7. A TY F F Rectifier cabinet Inverter cabinet Ale Copper bar 2 Square neck bolt M10 x 35 8 pcs Copper bar 1 Flat washer M10 8 pcs MaKe Spring washer M10 8 pcs e ig Nut M10 8 pcs A amplified view Figure 3 20 Copper busbar connection between rectifier cabinet and inverter cabinet of 5 00kVA UPS For 600kVA 800kVA UPS there is only copper busbar connection and no power cable connection between the rectifier cabinet and the inverter cabinet there are both copper busbar connection and power cable connection between the inverter cabinet and switch cabinet The power cable connection relationship is as shown in Table 3 9 Table 3 9 Powe
8. a E a EX i 5 De 0 A A T En E Rectifier cabinet Inverter cabinet Switch cabinet Figure 5 2 Illustrated drawings of the power supply switches position in 600kVA and 800kVA UPS 5 2 UPS Startup Procedures Enter The Normal Mode These procedures are applicable to startup the UPS under total power down state which means the UPS or the maintenance bypass has not supplied the load before Here suppose the UPS has been completely installed and tested by the engineer and external power supply switch is closed ADAM Warning The output terminals of UPS will have the mains voltage These procedures will make the output terminals of UPS have the mains voltage If necessary please disconnect the downstream load switch and stick a warning label on the connection point of the load You must operate according to the power on orders or you shall take the possible consequences 1 Open the front door of UPS ensure that the internal maintenance bypass switch Q3 is disconnected while the fuses FB1 FB2 FB3 and FB4 are closed Note As the labels show FB1 FB4 of 500kVA UPS are in the middle of the inverter cabinet For 600kVA and 800kVA UPS FB1 and FB2 are in the upside of the rectifier cabinet while
9. A amplified view Figure 3 16 Cabling route of signal cables of intelligent optional boards of 600kVA 800k VA UPS top cable entry Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 3 Electrical Installation Route the cables inside Cabling route J Connect the cables to the IMC board IMC board Lead the cables out through this hole and connect them to the HMI control board Figure 3 17 Cabling route of signal cables of HMI control board and IMC board of 600kKVA 800kVA UPS top cable entry Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 2 5 26 Chapter 3 Electrical Installation Bottom
10. Right view Front view Left view Air outlet 4 y 1585 Le 1570 800 i i Air outlet m A Cl L Air inlet _ g Air inlet 1950 z J l l A T Removable grill panel Removable grill panel can be removed for lifting with fork lift 4999 1090 truck and installed for protection and ventilation Rectifier cabinet Inverter cabinet Switch cabinet E 269 A 251 65 167 269 16 197 069 294 935 y o 3955 Bottom view Figure 2 4 Top front side bottom view of the 600k VA 800k VA UPS unit mm Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 3 Electrical Installation 11 Chapter 3 Electrical Installation This chapter mainly introduces the electrical installation of the UPS including the power cable and control cable connecting procedures and methods distance between UPS connecting point and the ground connection of dry contact and the electrical connection between the cabinets After completing the mechanical connection of the UPS it is required to connect the power cable and control cable of the UPS All the control cables whether shielded or not shall be kept away from the power cables The metal pi
11. A amplified view Figure 3 12 Cabling route of signal cables of intelligent optional cards of 500kVA UPS top cable entry Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 3 Electrical Installation Route the cables inside Cabling route J Connect the cables to the IMC board IMC board Lead the cables out through this hole and connect them to the HMI control board refer to Figure 3 14 y Lead the cables out through this hole and connect them to the EIB board refer to Figure 3 14 HMI control board EIB board Figure 3 14 Locations of EIB board and HMI control board of 500kVA UPS Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA_ User Manual 2 3 24 Chapter 3 Electrical Installation Figure 3 15 to Figure 3 17 illustrate the cable entry and routing method of all signal cables of the intelligent optional cards ICI boards PRBs EIB board HMI control board and IMC board of 600kVA 800kVA UPS in top cable
12. Copper bar 154 2 pcs Sems screw M8x16 2 pcs Sy p Copper bar 146 1 piece i ro Copper bar 147 1 piece a yo Copper bar 143 1 piece Bolt M12x40 4 os E K elt Bolt M12x30 4 pcs 3 A E LA EL Flat washer M12 4 pcs Flat washer M12 8 pcs J Gonna washer Mo pes Spring washer M12 4 pcs o Nut M12 4 pcs H B amplified view Figure 3 25 Enlarged diagram for copper busbar connection bet phase A of inverter cabinet and switch cabinet of 600 800kVA UPS Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 3 Electrical Installation 31 Figure 3 26 Figure 3 27 Bolt M12x40 Flat washer M12 Spring washer M12 Nut M12 4 pcs 8 pcs 4 pcs 4 pcs Copper bar 154 2 pcs i a C amplified view Copper bar 144 2 pcs Bolt M12x30 4 pcs Flat washer M12 4 pcs Spring washer M12 4 pcs Enlarged diagram for copper busbar connection bet phase B of inverter cabinet and switch cabinet of 600 800kVA UPS Bolt M12x40 Flat washer M12 Spring washer M12 Nut M12 4 pcs 8 pcs 4 pcs 4 pcs a a are di Copper bar 154 2 pcs a o i I o Y
13. Table 3 1 UPS power cable specification AmpsCurrent Amps Bus stud bolt nut specification aa Rated output bypass Battery disch power Input current mee baie i bia Input battery output bypas Recommended current current at minimum kVA f s cable torque Nm 380V 400V 415V 380V 400V 415V battery voltage 500 1068 1041 1030 760 722 696 1174 M12 50 600 1267 1264 1278 912 866 835 1437 M12 50 800 1703 1689 1685 1216 1155 1113 1978 M12 50 Note 1 EN50091 3 rated load input rated voltage 380V 400V 415V considering that the capacity of the battery to charge with 15 of the rated input current there is no trap filter 2 The minimum battery voltage is 400V the minimum battery voltage can be set through the host Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 12 3 1 4 Chapter 3 Electrical Installation The power cable must be selected according to the current and voltage values in Table 3 1 as well as the local wiring regulations the specific application environments and the requirements in IEC60950 1 Table 3 B Notes The following points are for general guidance only If there are relevant local regulations the local regulations shall prevail 1 The cable size of the neutral line shall be selected according to 1 1 times of the output bypass phase current 2 The cable size of the protection grounding wire shall be selected according to 2 times o
14. D amplified view aero Copper bar 145 2 pcs A A Ap Bolt M12x30 4 pcs Flat washer M12 4 pcs Spring washer M12 4 pcs Enlarged diagram for copper busbar connection bet phase C of inverter cabinet and switch cabinet of 600 800kVA UPS 3 4 2 Signal Connection Signal cable connection shall be carried out between the UPS cabinets When connecting the signal cables between two cabinets pay attention that the cables shall be connected to the corresponding interfaces of the relevant boards The signal connection relationship between the rectifier cabinet and inverter cabinet of the 500kVA UPS is as shown in Table 3 10 Table 3 10 Connection of the signal cables between the rectifier cabinet and inverter cabinet of the 500kVA UPS Cable label Rectifier cabinet Inverter cabinet Qty Meaning W121 02 806701 board PO300SS interface 02 8068030 board P0300 interface 7 Inverter output SCR drive W126 02 806701 board PO400A interface 02 806704 board phase A P0400 interface IGBT phase A drive W133 02 806701 board PO400B interface 02 806704 board phase B P0400 interface IGBT phase B drive W141 02 806701 board P0400C interface 02 806704 board phase C P0400 interface IGBT phase C drive W180 02 806708 board P55 interface UL544CSA8 board P55A interface EIB board power supply W221 02 806710 1 board P1011 interface U
15. 600kVA trap filter 50Hz 800kVA trap filter 50Hz Bypass current sharing inductor Surge protection device Level D BCB box UF BCB NXL 500kVA BCB cabinet UF BCB NXL 800kVA Common BCB box UF BCB NXL COMM Common BCB cabinet NXL BCB COMM B SIC card UF SNMP810 Modbus card UF MODBUS310 Battery temperature sensor UF BTS NXL Battery ground fault device UF BGFD NXL Input contact isolator ICI boards UF ICI NXL Programmable relay board PRB UF PRB NXL Seismic anchor kit Safety Precautions JN compiiance and standards e JEC EN62040 2 EMC requirements manufacturer This equipment complies with the following UPS reference standards e EC60950 1 IEC62040 1 general safety requirements of UPS e 1EC62040 3 performance requirements and test methods The equipment installation shall comply with the above requirements and use the accessories specified by the MA wer Large ground leakage current before getting access to input power including AC mains and batteries the grounding must be reliable Equipment grounding must comply with local electric regulations A Arn The selection of the prestage distribution protection equipment of the UPS system must comply with the local electric regulations A AX When the internal fuse of the UPS is damaged it must be replaced with fuse of the same electric param
16. CONFIG STATUS REPORTS STARTUP SHUTDOWN TRANSFER BATT MGT METERING INPUT i u v w L 395 395 396 V 1 Amps 1080 1075 1103A Freq 50 01 Hz BYPASS uU Y w L L 375 381 364 Y Freq 50 00 Hz DC BUS om Volts 541 v Amps 35 A Charging Aug 3 2009 15 21 55 MODULE OUTPUT Copyright 2009 2012 Y wW L L 396 396 396 Y L N 228 229 228 Y Amps 952 1003 923 A KYA 81 86 79 KW 90 95 87 PF 0 99 1 0 1 0 KVA KW 657 656 Freq 49 99 Hz 3 o 30 Inverter leads Bypass by 1 deg Lieberte NXL 800 KVA MOD 1 HELP Status IMC Events Inverter Output Volts Output State MOD 1 Normal Alarm On Normal Normal MOD 2 Normal Alarm Off Normal Off MOD 3 Normal Alarm off Normal Off Redundant Modules 0 Status View Off Module View Legend INPUT u Y w CONFIG STATUS REPORTS STARTUP SHUTDOWN LL Amps Freq 398 397 399 Y 1052 1049 10764 50 02 Hz BYPASS u Y Ww 375 381 364 Y 49 99 Hz Dc BUS Volts 541 Y Amps 11 A Charging SE Freq Aug 3 2009 M 15 51 22 MODULE OUTPUT v L L 396 396 L N 228 229 Amps 952 1001 KYA 81 86 KW 90 95 88 PF 0 99 1 0 1 0 KVA KW 657 656 Freq 49 99 Hz 395 Y 228 Y 924 A 79 o Liebert e NXL Copyright 2009 2012 TRANSFER BATT MGT METERING Teper tain Inverter leads Bypass by 1 deg 800 KVA MOD 1 HELP Figure 4 6 Parallel s
17. cable entry methods respectively A All cover boards removed in the following operation excluding those on the top and bottom of the UPS should be replaced after the cable connection is finished Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA_ User Manual 22 Chapter 3 Electrical Installation Top cable entry Figure 3 11 to Figure 3 14 illustrate the cable entry and routing method of all signal cables of the intelligent optional cards input contact isolator ICI boards programmable relay boards PRBs EIB board HMI control board and inter module communications IMC board of 500kVA UPS in top cable entry Step 1 Remove this cover board and lead the cables into the UPS On A amplified view Step 2 Lead the cables through this hole and connect them to e the ICI boards and PRBs refer to their user manuals for their locations a i e the intelligent optional cards refer to Figure 3 12 B amplified view for the cabling route e the EIB board HMI control board and IMC board refer to Figure 3 13 for the cabling route Figure 3 11 Cable entry and routing of signal cables of 500kVA UPS top cable entry Lead the cables out through this hole and connect them to the intelligent optional cards Intelligent optional cards Cabling route
18. skip Skip bypass and enter directly into the rectifier startup process to the fourth step as shown in Figure 7 7 BYPASS u v wW L L 375 381 363V Freq 49 98H2 DC BUS Voltage ov o N Current Float NI MNI BATTERY 1 OF 1 Voltage 501 Y Temp 32 C 7 Legend Inlet Air Temp 20 C RESET SILENCE 777 i Manual Start att cel open a Al Press Ok to start Bypass or skip into Rectifier ok skip Abort Exit Ad CONFIG STATUS REPORTS STARTUP SHUTDOWN TRANSFER BATT MGT METERING HELP Figure 7 7 Startup menu 3 After clicking OK wait for the bypass startup by selecting This module only to start the bypass of this machine or all modules to start all the bypass of machines which are waiting for online operation in the parallel system as shown in Figure 7 8 BYPASS u Y W L L 375 381 363V Freq 49 98Hz ak N DC BUS Voltage OV Y Current Float KW PF 00 00 00 KVA KW 07 0 Freq 0 00H2 Freq 50 02H2 BATTERY 1 OF 1 Voltage 499 Y Temp 32 C a Legend Inlet Air Temp 20 C RESET SILENCE 005 Manual Start O Batt CB1 Open ij Please TO select All MOQUIES TO Startup tne bypass static switches of all modules or select This system to startup the bypass static switch of this module only all Modules This Module Abort iv CONFIG STATUS REPORTS STARTUP SHUTDOWN TRANSFER BATT MGT METERING Figure 7 8 Waiting for bypass startu
19. Main Byp Iso Q3 Open Status of the maintenance bypass switch Q3 disconnect Output Iso Q4 Open Status of output switch Q4 disconnect Input Disconnect Q11 Open Status of the external main circuit input switch Q11 disconnect Bypass Disconnect Q22 Open Status of the external bypass input switch Q22 disconnect Maint Bypass Iso QBP Open Status of the external maintenance bypass isolating switch QBP disconnect Input Disconnect Q1 Open Status of the main circuit input switch Q1 disconnect Output Iso QOP Open Status of the external output isolating switch QOP disconnect Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA_ User Manual 56 Chapter 4 Operator Control And Display Panel Message of prompt window Explanation Batt Test Stopped Battery self detection is stopped Batt Test Inhibit Battery self detection is disabled RIB Open Status of rectifier input circuit breaker RIB disconnect BIB Open Status of the bypass isolating circuit breaker BIB disconnect MBD BCB Comm Fail MBD BCB communication failure see Input Contact Interface X Message The input contact isolating board is triggered by the external contact signal Note X represents the number of dry contact 11 18 and 21 28 Remote Off Rect The rectifier is shut down by external signal This state indicates that the external signal which triggers shutdown of the r
20. 20pin HMI2 Mircoprocessor Board Jil J2 P 130C 14pin HMI II ASSY NO 02 817849 XX REV X anil BASE BOARD ASSY NO 02 806802 XX REV X EMERSON O Network Power us P 132 P 200 Q6 pin 1232 RS232DB9 HMI SVT P232 RS232 LGS6 pin Js RS485 o RS232 DB YDN23 CAN 24VDC CAN 24VDC P99 P66 D Linux Console 14 5 PIII P22 P333 O O l s J14 interface Figure 8 2 J14 interface on HMI control board Figure 8 3 defines the pins of the J14 interface J14 PIN2 RS485 PIN 1 RS485 Figure 8 3 Pin definition of J14 interface Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 8 Communication 93 lt is required to power off the UPS before connecting the communication line to the J14 interface Failure to observe this is risky The J14 interface enables communication with the host through Modbus protocol The J14 interface is self adaptivel you just need to connect the host to the J14 interface of the HMI control board with no need to set the protocol The UPS can identify the communication protocol automatically to achieve communication with the host After connecting the communication line it is required to set the communication address of the UPS through the LCD menu on the UPS operator control and display panel The setting procedures are as follows 1 On the main screen select t
21. Start the inverter after the rectifier is completely started the screen will automatically enter into the interface for confirmation of starting inverter as shown in Figure 7 10 Press OK to run the inverter as shown in Figure 7 11 System View BYPASS INPUT u Y w 398 397 398V 126 104 1374 49 97Hz BATTERY 10F 1 Voltage 498 Y Temp 32 C Legend Inlet Air Temp 20 C RESET SILENCE Manual Start Load on Bypass i Press Ok to issue MBD Enable command Oman Rexfer Inhibit O Batt CB1 open skip CONFIG STATUS REPORTS STARTUP SHUTDOWN TRANSFER BATT MGT METERING Figure 7 11 Start the inverter and wait to enable MBD 6 Close battery circuit breaker after successfully starting inverter the screen automatically displays enable MBD1 options as shown in Figure 7 11 if any switch is equipped between the customer s battery and BCB then it needs to be closed firstly After clicking OK if BCB is equipped with electrical console switch the battery BCB will be automatically closed If not the system will indicate closing BCB The battery is connected to the system after manually closed as shown in Figure 7 12 System Yiew BYPASS 49 97Hz BATTERY 1 OF 1 Voltage 546 Y Temp 32 C Legend Charge 25 Inlet Air Temp 20 C RESET SILENCE Manual Start O Load on Bypass i Press Ok to issue Transfer command Internal comm Fail skip CONFIG STATUS REPORTS STARTUP SHUTDOWN TRANSFER BATT MGT METERING Figure 7 12
22. The UPS is approaching the over temperature threshold including rectifier over temperature bypass static switch BPSSO over temperature inverter over temperature inverter statis switch ISS over temperature The UPS only generates alarm but has no other actions Equip Ovtemp Limit One or several internal temperatures exceed the set maximum temperature including rectifier over temperature that exceeds threshold BPSS over temperature that exceeds threshold inverter over temperature that exceeds threshold ISS over temperature that exceeds threshold Rect Ovtemp The temperature of the rectifier semiconductor heatsink exceeds the steady state temperature The UPS only generates alarm but has no other actions Rect Ovtemp Limit The temperature of the rectifier semiconductor heatsink exceeds the maximum temperature threshold The rectifier will be shut down If it is permitted transfer to battery or bypass mode Inv Ovtemp The temperature of the inverter semiconductor heatsink exceeds the steady state temperature The UPS only generates alarm but has no other actions Inv Ovtemp Limit The temperature of the inverter semiconductor heatsink exceeds the maximum temperature threshold The inverter will be shut down If it is permitted transfer to the bypass Temp Sense Fail The temperature detected by the temperature sensor exceeds the measuring range of the sensor For instance the detected temperature is too hi
23. 0 110 range 6 Default set is 1Hz s adjustable through software Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 100 Chapter 10 Specifications 10 7 UPS Electric Characteristics Bypass Input Table 10 7 Electric characteristics bypass input Project Unit 500kVA 600kVA 800kVA Rated voltage Vac 380 400 415 Power type Three phase four wire with neutral line 380Vac 760 912 1216 ee 400Vac A 722 866 1155 415Vac 696 835 1113 Bypass voltage range 20 15 Confirming Time of bypass g 2 voltage recovery Inverter output voltage window 1 Frequency Hz 50 60 Input frequency range 10 Maximum Frequency trace rate Hz s 3 Neutral line current rate 1 1In Need to re install an external protection device on the input distribution system of branch bypass whose volume should be different from load protection Bypass overload capacity ln 190 1 second 150 1 minute 125 10 minutes 110 long term Note 380V is the default setting 400V and 415V voltage can be set through the host software Protection branch bypass Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Appendix 1 Guidance For Removing Transport Fixtures 101 Appendix 1 Guidance For Removing Transport Fixtures Procedures For Removing 500kVA UPS Transport Fixtures Procedures For Removing The Fixed Screws Of The Rectifier I
24. 19 Use optional LBS cable to connect any two digital LBS access of two UPS systems Refer to 3 3 7 Cable Entry And Routing for the cabling route of the LBS cable in the cabinet Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 7 1 N Parallel System Installation 89 Multi module UPS IMC IMC ALBS MMS MMS LBS LBS IMC IMC ALBS MMS MMS LBS LBS STS Multi module UPS ALBS MMS MMS LBS LBS IMC IMC ALBS MMS MMS LBS LBS Figure 7 19 Dual bus system single cable connection 1 The power voltage and frequency of two UPS systems must be the same 2 Load can not be larger than the rated power of a UPS module system A If you make the LBS cable yourself note that the LBS cable shall not be longer than 320m Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 90 Chapter8 Communication 8 1 8 2 Chapter 8 Communication The UPS supports simple network monitoring protocol SNMP communication Modbus protocol communication and dry contact communication This chapter provides information relevant to these types of communication SNMP Protocol Commun
25. Br akets ii 2 cnh dade tate A OS 3 1 2 6 Battery Temperature COMpensatiON ocoocccncccnnccccnoncnonncnnncnnancnnnnn ran nn rancia 3 1 3 Modes OOO toa 3 Chapter 2 Mechanical Installation pio do iio ts 5 21 PFOCAULONS ydoed tetrar e sited de a a pE chan 5 2 2 Environmental Req irement s 2 2 c 2 ccectscgeedesetgaceceshacscespanesceashaaacecssscddeeshaces svasedueushedegavsueecdeasseanaicnteecsecitacsdicniaeddes 5 2 2 UPS Location SelectiON issnin liar deve eat 5 2 2 2 Battery locaton Selecto ssie eiea ernek ne idad 6 2 3 Mechanical Requirement oooncccconinicnnonnccnnnnnn ree 6 2 31 System COMPOsitiON uta a la 6 2 3 2 Movement Of Gale abe aidssakcceassassadecanzeaacaiascapdeastsdusehascnjaaeatsasezadecagdsavscdansaastuacnaaecdais 6 2 3 3 Operation Space sci ld de et ie aain 6 2 3 4 Removing Transportation Rubber Strip And Fixing D VICC ccceeeeeeeeeeeeeeeteneeeeaeeseaeeeeaeeteaeeeeeetseeeeeees 6 2 3 5 Cable Access Modo iii a ae se A ee ee 7 2 3 6 Mechanical Connection Between The Cabinets cccccccceeseeceneeeeneeceneeeeeeeceaeeeeaeeseaeeseaeeseaeesnaeeseaeeeeatess 7 2 4 nitar Inpec iii Rda 8 2 5 Installation Diagrams nen aean ea aa o e eee 9 Chapter 3 Electic l NSi atO taaan Eaa aaea E a Dias 11 3 1 Wiring OPIO WE Cal E E T A ey ARTA 11 3A System Configuration tinta 11 3 1 2 Cable Specificato Nn iaa ai A a Sle ete los 11 SiS Nole S iaa A A a a AA at 12 3 1 4 Battery Connecting Terminalda otie ene ipie r
26. Configuration UPS has two main configurations e UPS single module capacity can be expanded e N 1 configuration with centralized bypass cabinet UPS single module is suitable for e UPS single module System composed of one UPS module e 1 1 Redundant system O 1 N parallel UPS system with distributed bypass static switch This manual introduces UPS single module and 1 N parallel UPS system 1 N system is composed of two or more up to eight UPS modules with the same power which can share loads 1 N system has the following two types e Expansion parallel UPS The system is composed of minimum number of UPS modules that can meet the load requirements e Redundant parallel UPS The system is composed of more than minimum number of UPS modules that can meet the load requirements The basic installation steps of 1 N parallel UPS system is the same as that of UPS single module system as described in the previous chapters This chapter only introduces specific installation steps of parallel UPS system A For the expansion parallel UPS system composed of two or more UPS modules whose load capacity is larger than the rated capcity of UPS module it is required to install external maintenance bypass Overview The parallel system composed of a group of UPS modules is equivalent to a large power UPS with higher reliability In order to ensure equal use of all UPS modules and accord with the relevant wiring provisions
27. D Y current bus voltage detection failure and unlocked rectifier synchronization D Y Current Imbal When the DC current difference between two rectifiers after rectification reaches 8 and the input power reaches 60 of the rated power this alarm will be triggered Rectifier Sync Loss After the rectifier is started the rectifier input cross zero point is abnormal OtherModuleXfr In the parallel system the modules report Tansfer to bypass MMSImbal The inverter loads of the modules in the parallel system have Imbalanced current Bypass Not Avail Bypass input power failure including bypass synchronization error bypass over voltage or under voltage wrong bypass phase rotation no bypass input voltage Bypass Line Fail The bypass input voltage RMS value is less than 30V Bypass Sync Error When the phase angle difference between the inverter and the bypass exceeds certain angle the switch to bypass will be disabled Bypass Overvoltage One or several phases of the line to line voltage RMS value of the bypass exceed the specified percentage of the rated line to line voltage and cause the bypass to shut down Bypass Undervoltage One or several phases of the line to line voltage RMS value of the bypass are less than the specified percentage of the rated line to line voltage and cause the bypass to shut down Manual Xfer Inhibit When this event occurs it indicats that the condition for man
28. Effective maintenance of UPS systems can reduce the risk of UPS failure and enable longer use of UPS Safety AA Daily inspection of UPS systems can be executed by people who have received relevant training and the inspection and replacement of devices should be operated by authorized professionals Key Components And Service Life Of UPS When in use some devices of UPS system will have shorter service life than UPS itself due to abrasion in work For the safety of UPS supply system it is necessary to have regular inspection and replacement of these devices This section introduces the key components of UPS and the reference years of service life For systems under different conditions environment load rate and etc assessment and advice by professionals on whether to replace the device are required with reference to the information provided in this section Magnetic Components Transformers Inductors The designed service life of magnetic components is 20 years Key factors that affect their service life are insulation system to use and temperature rise at work among windings H class insulation system is used in UPS which is able to tolerate temperature up to 220 C usually working in the forced air cooled conditions of the system Power Semiconductor Devices Power semiconductor devices include silicon controlled rectifier SCR and Insulated Gate Bipolar Transistor IGBT In normal state the power semiconductor
29. Enable MBD waiting for transfer Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 7 1 N Parallel System Installation 83 7 Start the other machines in the parallel system start the other machines in the parallel system according to step 1 to step 6 8 Parallel system is transferred to the inverter mode after starting the inverter and connecting the battery when the voltage frequency of all the modules inverters and the bypass synchronizes the screen displays as shown in Figure 7 12 if non synchronous the OK button is gray Click OK and the parallel system transfers to the inverter as shown in Figure 7 13 System View BATTERY 10F 1 Voltage 545 Y D Temp 32 C Legend Charge 26 Inlet Air Temp 20 C RESET SILENCE INPUT MODULE OUTPUT u y w uU y w A LL 396 396 397 Y LL 396 396 395 Y Amps 1058 1050 10774 L N 228 229 228 Y Freq 50 02 Hz Amps 951 1002 924 A BYPASS KVA 81 86 79 u y w KW 90 95 87 L L 376 381 363 Y PF Ml o Frei 49 99 Hz KVA KW 657 655 Freq 49 99 Hz DC BUS Volts 540 Y Amps 12 A os a Charging ITEA I A td Inverter leads Bypass by 1 deg Aug 3 2009 Lieberte NXL 800 KVA AA 15 47 29 Copyright 2009 2012 MOD 1 CONFIG STATUS REPORTS STARTUP SHUTDOWN TRANSFER BATT MGT METERING HELP 0 Internal Comm Fail Figure 7 13 Parallel system transferring to inverter Now press the System View button on the upper right of the screen so that th
30. FB3 and FB4 are in the upside of the switch cabinet Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 60 Chapter 5 UPS Operation Introduction All operations relating to disconnect or close the switch of maintenance bypass shall be finished in three seconds in case of misreporting as faults The operations in 5 4 Procedures For Operating From Maintenance Bypass UPS Shutdown Procedures 5 5 Transfer Maintenance Bypass Supply Mode To The Normal Mode and 5 6 Shutdown Procedures Shut Down UPS And The Load Completely are the same 2 Close the external distribution switches of main circuit and bypass input At the moment the system is power on and the startup screen pops up Refer to 4 2 1 Startup Screen 3 Close bypass switch Q2 output switch Q4 and all the external output isolating switches if any At the moment confirm that the LCD shows the input power supply path of the bypass is green if not check whether the switches Q2 and Q4 are closed Choose Manual Startup from the Startup menu The following dialog box pops up on the screen Press OK to Start Bypass or Skip into Rectifier After pressing OK another dialog box pops up Press OK to Issue Bypass On Command Press OK the bypass starts and the UPS works in the bypass supply mode Figure 5 3 is the power flow diagram displaying on the LCD at the moment Figure 5 3 is the power flow diagram displaying on the LCD at the moment BYPA
31. Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 4 Operator Control And Display Panel 45 MM Programmable Relay Board 1 a AA Relay 1 Delay sec Auto Rexfer Failed Auto Rexfer Primed Auto Rexfer Failed BFB Open Relay 1 Assignment BPSS Ovld Exceeded gt BPSS Unable Batt CB1 Open Batt Discharging Save Figure 4 18 Dialog box for setting programmable relay board PRB Input contact isolator ICI boards Setting custom pre assigned the default setting is prohibition Delay seconds from 0 to 99 9 seconds the default setting is 0 News custom from 0 to 19 characters e Programmable relay board PRB Setting from O to 4 events the default setting is 0 Delay seconds from 0 to 99 9 seconds the default setting is 0 Event management This menu modifies the alarm fault and status information processing mechanism of UPS system as shown in Figure 4 19 MB Event Management Audible Event Log Auto Restart Fail huto Rexfer Failed 4 13 n BFB Open BPSS Ovld Exceeded EM G Es a E Batt CB1 Open lt D n i D un Batt Ground Fault es Faults Status Figure 4 19 Dialog box of event management ae i Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 46 Chapter 4 Operator Control And Display Panel e latch yes no if yes is selected after the event is activated even if the f
32. Ph B The inverter has phase B overload during the operation That is the current RMS value of phase B exeeds 105 of the rated current RMS value or the output power of phase B exceeds 105 of the rated output power When this alarm occurs a count down timer will be displayed on the power flowchart to indicate the remaining time for switching to the bypass The length of the remaining time is in reverse proportion to the overload severity Inv Overload Ph C The inverter has phase C overload during the operation That is the current RMS value of phase C exeeds 105 of the rated current RMS value or the output power of phase C exceeds 105 of the rated output power When this alarm occurs a count down timer will be displayed on the power flowchart to indicate the remaining time for switching to the bypass The length of the remaining time is in reverse proportion to the overload severity Inv Ovid Exceeded This message indicates that at least one phase has overload When there is overload there will be a count down timer on the HMI to indicate the remaining time for switching to the bypass The length of the remaining time is in reverse proportion to the overload amplitude When the timer counts to 0 if it is permitted the UPS switches to the bypass and this alarm enters the active event window Inv A IGBT Fault The system detects IGBT phase A failure The IGBT phase A short circuit is also a cause of this alarm It will cause t
33. Q 2 iz ik A amplified view Figure 2 1 Illustration drawing for mechanical connection between the cabinets of 500kVA UPS Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 7 2 4 Chapter 2 Mechanical Installation As shown in Figure 2 2 the 600KVA 800kVA UPS cabinet includes rectifier cabinet inverter cabinet and switch cabinet The cabinets shall be fixed with bolts at point A point B point C and point D at the front of the cabinet Points A C and D adopt the same bolts with 2 bolts for each point Point B adopts 1 bolt At the corresponding place at the rear side of the cabinet there are also 4 points for fixing with bolts Points A B C and D at the rear side adopt the same bolts with 2 bolts for each point Therefore 15 M10x30 15 plain washer M10 and 15 spring washer M10 are needed for the mechanical connection between the cabinets The recommended bolt tightening torque for M10 is 35Nm
34. SHEE Rectifier cabinet Inverter cabinet Switch cabinet Figure 3 22 Copper busbar connection between rectifier cabinet inverter cabinet and switch cabinet of 600 800k VA UPS Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 30 Chapter 3 Electrical Installation Lets Copper bar 49 2 pcs Copper bar 48 2 pcs AT Bolt M10x30 6 pos Flat washer M10 6 pcs Spring washer M10 6 pcs L Square neck bolt M12x30 10 pcs Flat washer M12 10 pcs nae Spring washer M12 10 pcs Nut M12 10 pcs A amplified view Figure 3 23 Enlarged diagram for copper busbar connection between the rectifier cabinet and inverter cabinet of the 600 800kVA UPS Phase A Phase B Phase C h i ETT a om a Figure 3 24 Illustration drawing for the connection of three phases A B C of the 600 800kVA UPS inverter cabinet
35. beside the Time and a dialog box of time setting pops up 5 After setting hour minute second press OK to return to the dialog box as shown in Figure 5 6 6 Press the Save button and a dialog box of password authentication pops up 7 Input the password and press OK to complete the setting Change Password The system provides password protection which can restrict the setting and control operation of the operator To prevent user misoperation the system provides password protection for operations like switching on switching off Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA_ User Manual 66 Chapter 5 UPS Operation Introduction and transferring the system The default password is NXL The password for parameter setting differs from the aforesaid password When you need to set the parameters please contact the local customer service center of Emerson To change password carry out the following procedures 1 Choose System Settings from the Configuration menu on LCD screen a dialog box as shown in Figure 5 6 pops up 2 Press the button beside Password and a dialog box of changing password pops up 3 Input the current password then the new password input the new password again and press OK to return to the dialog box as shown in Figure 5 6 4 Press the Save button to complete the setting Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 6 Battery 67 Cha
36. bypass phase C is higher than 110 of the RMS value of the rated current If the overload is not cleared in a certain period of time the controller will shut down the system This time is reverse proportional to the overload amplitude The larger the overload amplitude is the less time for the system to support the load will be Bypass OF UF The bypass frequency is out of the frequency range required for inverter synchronization Byp Phase Rotation In normal situations the phase rotation of bypass is clockwise i e A B C Phase B lags behind phase A for 120 while phase C lags behind phase B for 120 Check if the bypass power supply has correct phase rotation If not correct it Auto Rexfer Primed Auto switch back will be executed in priority under the existing conditions Auto Rexfer Failed The conditions that cause the failure of auto switch back to bypass are not cleared within specified time Excess Auto Rexfers The number of auto switch back times exceeds the allowable maximum value and the system is locked in bypass mode System Time Lock The system time is not updated Low Battery Warning The calculated battery remaining time reaches the lower limit of battery alarm and the UPS is about to shut down Low Batt Shutdown The battery reaches the end of discharge voltage EOD and does not have enough energy to support the load of the inverter If the bypass is available when the battery
37. cable entry Figure 3 18 and Figure 3 19 illustrate the cable entry and routing method of all signal cables of the intelligent optional cards ICI boards PRBs EIB board HMI control board and IMC board of 500kVA 600kVA 800kVA UPS in bottom cable entry Step 1 Remove Cover board 1 Step 2 Remove Cover board 2 to reveal Cover board 3 on the bottom of the UPS Cover board 1 Cover board 2 Step 3 Remove Cover board 3 lead the cables into the UPS and route them in the direction shown by the arrow Ela Ne O Ve yA AB A e A PEE EA pp o kA gt a Le N PEG Cover board 3 LL A amplified view Step 4 There are two situations boards PRBs see their user manuals for their locations ElB board HMI control board and IMC board see Figure 3 13 and Figure 3 14 for the cabling route and board locations e Lead the cables out Hole 1 and connect them to the intelligent optional cards throught Hole 2 l e Lead the cables out Hole 1 and connect them to the ICI Intellislot intelligent slot locations of intelligent optional cards lt lt A amplified view Hole 1 B am
38. current draw copper busbar Note The cables should be connected to these terminals After finising the cabinet parallel connection verify that the cables are properly connected to these terminals The signal connection relationship between the rectifier cabinet inverter cabinet and switch cabinet of the 600kVA 800kVA UPS is as shown in Table 3 11 Table 3 11 Connection of signal cable between rectifier cabinet inverter cabinet and switch cabinet of 600 800k VA UPS Cable a P label Rectifier cabinet Inverter cabinet Switch cabinet Qty Meaning W121 02 806701 board PO300SS 02 8068030 board P0300 4 Inverter SCR drive interface interface 02 806701 board PO400A 02 806704A board phase y W12 1 IGBT ph A 8 interface A P0400 interface SOT phass Aidrive 02 806701 board P0400B 02 806704B board phase z W136 interface B P0400 interface f GBT phase ide 02 806701 board PO400C 02 806704C board phase i ede interface C P0400 interface i IGBT phase C drive 2 806701 P 2 7 P W157 0 806 0 board PO500 0 806705 board P0500 4 Bypass detection signal interface interface 2 806701 P 1 2 7 P 1 W158 0 806 board P050 0 806705 board P050 4 Bypass drive signal interface interface W177 02 806701 board P0700 02 806707 board P0700 4 Load voltage current interface interface detection W178 02 806701 board P0701 02 806707 board P0701 4 Load voltage current interf
39. discharge performance of the battery will be significantly reduced The battery must be installed in cool and dry environment with the humidity less than 90 and be protected from the heat source and direct sunshine The ambient temperature ventilation space float equlaizing charge voltage and ripple current will affect the battery temperature Uneven temperature among the battery strings will cause uneven voltage distribution and thus result in problem Therefore it is very important to maintain balanced temperature in the battery string and the temperature difference between batteries of different layers shall be kept within 3 C Valve regulated battery is very sensitive to the temperature therefore valve regulated battery shall be used in 15 C 25 C If the battery cabinet is installed near the UPS the maximum design ambient temperature shall be determined according to the battery rather than the UPS That is if valve regulated battery is used the indoor ambient temperature shall be 15 C 25 C rather than the operating temperature range of the main equipment Under the precondition that the average temperature will not exceed 25 C it is allowed to have short time temperature deviation Number Of Batteries Set the DC bus voltage and battery float charging voltage which is usually 540Vdc according to the rated input output voltage of the UPS to ensure that the expected cell float charging voltage is 2 25V The number of batteri
40. input uses residue current detector RCD differential switch is only used in the system s bypass mains supply At the moment of electrical connection current may not be immediately separated which may result in the tripping of leakage circuit breakers RCCB respectively Only one step is needed for once and only after finishing this operation step of each UPS module the next step can be carried on Startup Steps These procedures are applicable to start the UPS under total power down state which means the UPS or the maintenance bypass has not supplied the load before Make sure UPS has been completely installed and commissioned by the engineer and external power supply switch has been turned off IN ZN anns The output terminal of UPS will have dangerous voltage These procedures will make the output terminals of UPS have dangerous voltage If necessary please disconnect subordinate load connection switches and attach warning label to the connection points of the load 1 Close bypass input switch Q2 output switch Q4 and the main input switch Q1 in sequence Disconnect maintenance switch Q3 BCB and user s battery circuit breaker if any Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 8 0 Chapter 7 1 N Parallel System Installation 2 Start the bypass press the Startup button of LCD screen to choose manually startup and then select OK entering bypass startup process or select
41. is necessary to install external circuit breaker for the input and battery of the UPS Because of the difference of the specific installations this section only provides general practical information for the installation engineer including the operating practices regulations and standards equipment installation knowledge etc Rectifier and bypass input power supply 1 Input over current and short circuit protection Proper overcurrent protection device shall be installed on the mains input distribution line The requirement on the power cable current carrying capacity and system overload capacity shall be considered refer to Table 10 6 and Table 10 7 2 Split bypass Because the UPS adopts split bypass independent protection device shall be installed respectively on the main input and bypass input distribution lines The requirement on the power cable current carrying capacity and system overload capacity shall be considered refer to Table 10 6 and Table 10 7 3 Ground fault protection If the pre stage input power supply has residue current detector RCD the transient state and steady state ground leakage current upon the startup of the UPS shall be considered Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 3 Electrical Installation 1 The residual current circuit breaker RCCB shall meet the following requirements O Be sensitive to the DC unidirectional pulse class A of the whole distribu
42. loss The SIC card should be installed in the Intellislot intelligent slot in the UPS that is the location of the intelligent optional cards shown in Figure 3 12 For the entry and routing method of the communication line refer to 3 3 7 Cable Entry And Routing For the installation and setting information of the SIC card refer to the Site Interface Web SNMP Agent Card User Manual Modbus Protocol Communication The UPS provides the following two Modbus protocol communication approaches e Modbus card e J4 interface on HMI control board of UPS You may use any one of the preceding approaches or both Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 8 2 1 Chapter 8 Communication 91 Communication Through Modbus Card The Modbus card developed by Emerson Network Power Co Ltd can realize the conversion from UPS internal protocol to Modbus RTU protocol so the user can use the Modbus RTU protocol to acquire the UPS switch values to achieve UPS monitoring One UPS can be installed with up to four Modbus cards so the user can monitor the UPS through multiple hosts The Modbus card is a built in card lts appearance is shown in Figure 8 1 and its hardware functions are described in Table 8 1 COM1 interface Front panel RUN indicator CON2 interface Front panel USB interface Figure 8 1 Appearance of Modbus card Table 8 1 Hardware functions of Modbus card Function ON The Modbus card is powered o
43. may reach 540Vdc which is fatal to human being Ensure the compliance with the high voltage operation precautions Only the qualified personnel is allowed to install and maintain the battery To ensure the safety the batteries shall be installed inside the locked cabinet or specially designed battery room so that they are kept away from human being except for the qualified maintenance engineer MZ vemo 1 The battery shall be firmly and reliably connected After the connection is completed the screw connections between all the terminals and the batteries shall be calibrated The requirements on torque specified in the specifications or user manual provided by the battery manufacturer shall be satisfied The connections between all the wiring terminals and the batteries shall be inspected and tightened at least once a year Otherwise it may cause fire Proper connection mode Improper connection mode Too large or too small torque may cause poor connection of the terminal Under certain conditions the terminal may have arcing or heat accumulation which finally will cause fire Tighten the terminal bolt of the battery with specified torque Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 68 6 3 Chapter 6 Batter AA 2 The battery appearance must be inspected before accepting and using the battery If there exists any package damage dirty battery
44. menu 3 Select 1 N System and then the screen shows to close all the modules as shown in Figure 7 17 Select OK and then all the modules are closed the output is power off System View BYPASS u Y w L L 375 381 364V Freq 50 00Hz BATTERY 1 OF 1 Woltage 546 Y Temp 32 C Legend BCB ear Charge 28 Inlet Air Temp 20 C PESE SILENCE All Modules Shutdown Internal Comm Fail MM All Modules Shutdown Pressing Ok starts system shutdown operation by simultaneously transferring all modules to bypass followed by full system shutdown of all connected modules Cancel 14 N UPS 1 N System CONFIG STATUS REPORTS STARTUP SHUTDOWN TRANSFER BATT MGT METERING Figure 7 17 Close 1 N system confirmation menu Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 86 Chapter 7 1 N Parallel System Installation 7 2 3 Operation Steps Of Transferring From The UPS To The Shared Maintenance Bypass Ah vo If the parallel system is composed of more than two parallel single modules please do not use the internal maintenance bypass The following steps will transfer the load from the UPS output terminal to the shared maintenance bypass so as to directly connect to the AC input power JN Castor Power supply interruption danger of the load Except emergency please confirm that the lower left corner of UPS screen shows no alarm notification before the operation in order to avoid
45. s authorized commission engineer through host software Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 5 10 5 11 5 12 Chapter 5 UPS Operation Introduction 65 Language Selection The LCD menu and data can be displayed in two languages Chinese and English Carry out the following procedures to select the language you want 1 Choose System Settings from the Configuration menu on LCD screen a dialog box as shown in Figure 5 6 pops up MM System Settings Backlight Brightness 8 13 2009 Password Language Audio Level Phase Labeling Module Locator Figure 5 6 Dialog box of selecting the language and changing the current date and time 2 Press the button beside Language and there are two selectable languages Chinese and English 3 Select the language you want and press OK to return to the dialog box as shown in Figure 5 6 4 Press the Save button and a dialog box of password authentication pops up 5 Input the password and press OK to complete the setting Change The Current Date And Time To change the system s date and time carry out the following procedures 1 Choose System Settings from the Configuration menu on LCD screen a dialog box as shown in Figure 5 6 pops up 2 Press the button beside the Date and a dialog box of date setting pops up 3 After setting month date year press OK to return to the dialog box as shown in Figure 5 6 4 Press the button
46. switch o Rectifier UPS AC AC supply output Battery Figure 1 1 Block diagram for working principle of single module The rectifier also has the function of charger It adopts advanced temperature compensation technology to effectively prolong the battery service life The inverter mainly adopts large power Insulated Gate Bipolar Transistor IGBT and adopts advanced space vector pulse width modulation SVPWM technology for control to invert the DC bus voltage back to AC voltage When the mains is normal the rectifier and inverter work together to supply the loads and charge the battery When the mains is abnormal the rectifier stops working and the battery provides power to the loads through the inverter If the battery voltage falls to end of discharge EOD voltage and the mains still has not been recovered the UPS will shut down if the bypass is normal the system will transfer to bypass The battery EOD voltage is preset The time when the mains is abnormal and the battery maintains the UPS operation till the battery voltage is reduced to EOD voltage and the UPS shuts down is called backup time The length of backup time depends on the battery capacity and the loads Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 1 2 2 1 2 3 Chapter 1 Overview Bypass Through the intelligent control of the static switch module containing the controllable electronic switch as shown in Figu
47. synchronous output of two independent UPS or parallel system A system has been designated as the master and the other system the slave LBS is able to supply power for two independent UPS Ave In a dual bus system the two UPS systems must have the same power rating voltage and frequency and the load must not exceed the power rating of a single UPS system 7 3 1 External Protection Device Refer to 3 1 6 Protection Device 7 3 2 Cabinet Installation For side by side placement of the UPS modules refer to Figure 7 18 cable connection Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 88 Chapter 7 1 N Parallel System Installation lo HI lo lo LM y yO y y i A A Parallel cable LBS F Parallel cable ft Single corded PDU Single corded PDU Double corded load Figure 7 18 Dual bus system 7 3 3 Power Cable The power cable of dual bus power system is similar to that of single system Refer to 3 1 Wiring Of Power Cable 7 3 4 Cable Control For dual bus configuration of Liebert NXL and Liebert NXL refer to Figure 7
48. terminal terminal erosion rust or enclosure crack deformation or liquid leakage replace it with a new battery Otherwise battery capacity reduction electric leakage or fire may be caused Battery damaged during handling or transportation After a week of normal charge discharge experiment 3 The battery is very heavy Please use proper method to move and lift the battery so as to prevent any damage to human being or the battery terminal Severe damage to the battery may cause fire 4 The battery connecting terminal shall not be subject to any force such as the pulling force or twisting force of the cable otherwise the internal connection of the battery may be damaged Severe damage to the battery may cause fire 5 The battery shall be installed and stored in a clean cool and dry environment Do not install the battery in a sealed battery chamber or a sealed room The battery room ventilation shall at least meet the requirement of EN50272 2001 Otherwise battery bulging fire or even human injury may be caused 6 The battery shall be installed far away from the heating products e g transformer used or stored far away from any fire source and shall not be burnt or put into fire for heating Otherwise battery leakage bulging fire or explosion may be caused 7 Do not directly connect any conductor between the positive and negative terminals of the battery Remove the finger rings watch necklace bracele
49. the inverter shuts down because the mains fails and the battery discharges to EOD voltage if the mains is recovered the UPS will restart automatically after a certain time of delay This function and the automatic restart type can be set by the commissioning engineer authorized by Emerson Bypass mode The load is powered by the static bypass mains This power supply mode can be considered as an intermediate power supply mode when the load transfers between the inverter and the maintenance bypass or a power supply mode for abnormal working state Maintenance bypass mode The UPS shuts down and the load connects directly to the bypass power supply through the maintenance bypass switch Joint power supply mode The UPS provides joint power supply mode to use the AC mains input power in a restricted pattern and at the same time fully meet the power supply requirement of the load If the mains is insufficient to supply the load the insufficiency can be supplemented by the battery This function is suitable for the application where higher rate is charged for peak hours or there are not enough diesel generators to meet the power supply requirement of the load upon mains failure Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 2 1 2 2 2 2 1 Chapter 2 Mechanical Installation 5 Chapter 2 Mechanical Installation This chapter briefly introduces the mechanical installation of the UPS including the precaution
50. the parallel system Press the startup button on the LCD screen to select manual startup and then select OK to enter into the bypass startup process 2 Click OK and then wait for starting the bypass Select This Module only to start the bypass or All Modules to start all the bypass waiting online for startup in the parallel system and click All Modules to start the bypass of all the machines in the parallel system The bypass should be started first and then disconnect the shared maintenance bypass switch otherwise it will make the load power off 3 Disconnect the shared maintenance bypass isolator QBP 4 Close the input switch Q1 turn on the rectifier and the inverter of all the machines connect to the battery and transfer the parallel system to the inverter For details refer to the step 4 to step 8 in 7 2 1 Startup Steps MAA At the moment the load has transferred to UPS normal mode Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 7 1 N Parallel System Installation 87 7 3 Dual Bus System The dual bus system is composed of two independent UPS systems Each UPS system may include one or several UPS modules The dual bus system has high reliability and is applicable to the load with multiple input terminals If the load is single input it is needed to select the static switch and activate the UPS s load bus synchronization System LBS LBS maintains
51. the power supply interruption of the load If there is the alarm notification the screen will ask the operator to confirm or cancel the operation that may cause the power supply interruption of the load 1 Select the shutdown menu from the screen and select All Modules The screen is as shown in Figure 7 15 2 Select and press the 1 N UPS button then the following dialog box will pop up as shown in Figure 4 21 Press OK The operation will shut down all the rectifier inverter and batteries of the UPS which supplies power to the load through the static bypass 3 Close the external shared maintenance bypass isolator QBP At the moment the shared maintenance bypass parallels with the UPS static bypass 4 Disconnect all the UPS output switch Q4 the bypass switch Q2 the module output isolator QEn if any and the output isolation switch QOP if any At the moment the transfer from UPS to the shared maintenance bypass has been finished The load is supplied by the shared maintenance bypass directly The load equipment does not have AC power abnormal protection at the moment 7 2 4 Transfer Maintenance Bypass Supply Mode To The Normal Mode The following steps will transfer the load from shared maintenance bypass supply mode to the normal supply mode 1 Close the bypass input switch Q2 output switch Q4 the module output isolator QEn if any and the output isolation switch QOP if any of all the machines in
52. 101 and P3103 are connected by means of T shape connectors Figure 7 4 Parallel signal connection e Basic connection use one parallel cable to connect from UPS 1 P3101 to UPS 2 P3101 and then from UPS 2 P3101 to the next e Redundant connection use one parallel cable to connect from UPS 1 P3103 to UPS 2 P3103 and then from UPS 2 P3103 to the next e The final IMC board circuit in chain connection must have CAN terminal resistor e Set CAN termination jumper P101 P112 Pin 1 2 resistance in the circuit pin 2 3 no resistance in the circuit When there are more than 2 parallel UPS only toggle these jumpers at both ends of parallel units to the position 1 2 Note For each UPS in the parallel system it is needed to change the UPS module to 1 N configuration through the host software by the commission engineer The maximum length of communication cables for parallel UPS is 280m As a result in the parallel system composed of eight UPS modules among which the distance is the same the maximum length of the cable among the UPS modules is 40m The system provides these cable options Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 78 Chapter 7 _1 N Parallel System Installation 7 1 7 Remote Emergency Shutdown In addition to the local emergency shutdown EPO button to shut down local UPS provided by UPS front cover plate UPS also supports remote EPO to shutdown several UPS EPO c
53. 3 Then remove the right side panel of rectifier cabinet and a metal cover can be seen at the bottom of the same position as mentioned above Make sure of retaining the removed screw 4 Remove the metal cover to expose the transportation restraint on the other side of the bottom of input transformer Make sure of retaining the removed screw 5 Remove two M16 screws under the transportation restraint 6 Install the metal cover at the bottom of both sides of the rectifier back to the original place 7 Install the right panel of Rectifier cabinet to its original position The step can be carried out upon completion of equipment testing Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 104 Appendix 1 Guidance For Removing Transport Fixtures 2 2 Procedures For Removing The Fixed Screws Of The Inverter Cabinet Output Transformer 1 Remove the metal cover at the left bottom of the inverter front sight and the transportation restraint at the bottom of output transformers can be seen as shown in Figure 4 Make sure of retaining the removed screw M16 screw Transportation restraint AN A amplified view Location of A metal cover i Figure 4 Removing the fixed screws of the output transformer 2 There is a transport restraint on each side of outpu
54. 4 Input dry contact interface description Location Label Meaning TB0810 1 EIB_RIB_IS CLOSED Status detection of RIB or Q11 normally closed TB0810 2 24V_RIB 24V power supply TB0810 3 ElIB_RIB_IS_OPEN RIB status detection normally open TB0811 1 EIB_MIB_IS_ CLOSED Status detection of MIB or QOP normally closed TB0811 2 24V_MIB 24V power supply TB0811 3 EIB_MIB_IS_OPEN MIB status detection normally open TB0812 1 EIB_BIB_IS_ CLOSED Status detection of BIB or Q22 normally closed TB0812 2 24V_BIB 24V power supply TB0812 3 EIB_BIB_IS_ OPEN BIB status detection normally open TB0813 1 EIB_MBB_IS_CLOSED Status detection of MBB or QBP normally closed TB0813 2 24V_MBB 24V power supply TB0813 3 ElB_MBB_IS_OPEN MBB status detection normally open TB0815 1 ElB_MOB_IS_CLOSED Status detection of MOB or QFS normally closed TB0815 2 24V_MOB 24V power supply TB0815 3 EIB_MOB_IS_OPEN MOB status detection normally open TB0830 1 EIB_ACTFLT_OPERABLE Active filter operable normally closed TB0830 2 24V_SPARE2 24V power supply TB0830 3 EIB_ACTFLT_NOT_OPERABLE Active filter not operable normally open TB0816 1 EIB_ON_GEN On generator normally open TB0816 2 24V_ONGEN 24V power supply TB0816 3 EIB_NOT_ON_GEN Note on generator normally closed TB0820 1 EIB_KEY_IS_ REMOVED MBB key removed normally open TB0820 2 24V_KEY 24V power supply TB0820 3 EI
55. 600 800kVA User Manual Chapter 7 1 N Parallel System Installation 77 7 1 6 Control Cable As shown in Figure 7 4 the connection among UPS modules is chain redundant connection This connection method can ensure high reliability control Even if one of several cables is disconnected it will not affect the transmission of control signals the management of UPS module synchronization load sharing the battery charge current sharing shared battery configuration load transferring operation and other general control and warnings IMC board is located at the back of rectifier cabinet control door System 1 Module 1 Module 2 A Source 1 P3105 P3107 P3105 P3107 IMC board Analog LBS IMC board Analog LBS Multi module Multi module py UPS Digital LBS UPS Digital LBS P3101 P3103 P3108 P3109 P3101 P3103 P3108 P3109 Output UPS power n STS System 2 Module 1 Module 2 A Source 2 l P3105 P3107 P3105 P3107 IMC board Analog LBS IMC board Analog LBS Multi module j EE UPS Digital LBS Gee module Digital LBS P3101 P3103 P3108 P3109 P3101 P3103 P3108 P3109 UPS n Note The 1 0 of P3
56. 62040 3 5 2 2 UPS rated load input rated voltage 380V no battery charge current 4 IEC62040 3 5 2 2 UPS rated load input rated voltage 380V Battery can have equalizing charge under the maximum allowable current 5 Setting through specialized host software Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 10 Specifications 99 10 5 UPS Electric Characteristics DC Intermediate Circuit 10 6 Table 10 5 UPS electric characteristics intermediate DC link Project Unit 500kVA 600kVA and 800kVA Rated DC bus voltage Vdc 540 The quantity of batteries numer 228 246 240 is recommanded Float charge voltage Vdc Cell 2 15 2 3 2 25 is recommanded Equalizing charge voltage Vdc Cell 2 30 2 45 2 35 is recommanded End of discharge voltage Vdc Cell 1 60 1 88 Battery protection Voltage 2 45Vdc Cell Vdc 603 Maximum equalizing charge h 200 Threshold current of equalizing A 0 001C 0 025C0 001C 0 025C charge float charge Ripple voltage lt 1 RMS value lt 3 4 Vpp value Note 1 Relative to rated voltage 2 The quantity of batteries and monomer voltage can be set by setting software 3 Software setting 4 without access to batteries the effective value of ripple voltage is relative to the percentage of DC voltage UPS Electric Characteristics Inverter Output Table 10 6 UPS electrical characteristics input rec
57. ATTERY 1 OF 1 Voltage 492 Y Temp 26 C Legend Charge 94 Inlet Air Temp 29 C RESET SILENCE O Bypass Line Fail Input Line Fail manual xfer Inhibit O Bypass Sync Error O Bypass Not Avail rectifier Fault CONFIG STATUS REPORTS STARTUP SHUTDOWN TRANSFER BATT MGT METERING Figure 4 24 Battery remaining time diagram Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 4 Operator Control And Display Panel 49 O Manual battery test implementing or stopping manual battery test Manual battery equalize charging implementing manual battery equalize charging Aw Only after setting as enable through the host software manual battery equalizing charge can be done e Battery cycle monitor as shown in Figure 4 25 displaying how many times of charging have taken place in the following period 0 30 seconds 31 seconds to 90 seconds 91 seconds 240 seconds 4 minutes to 15 minutes 15 minutes 30 minutes 30 minutes to 60 minutes 60 minutes 240 minutes 4 hours to 8 hours more than 8 hours Each discharge record will include Date Time Duration Start kW W Liebert NEL WinSYI BYPASS BATTERY 1 OF 1 Woltage 487 Y Temp 26 C Charge 94 Date Time T 4 2009 15 02 14 T 3 2009 13 44 24 Min kW Max kW AH The initial temperature C The terminal temperature C Duration Start KW Min Ef Max EN 00 01 14 179 00 16 58 128 179 144 A
58. BP ma m Au om z ho cm Pws En am wr a en a ca o E m Pla en ag n ajeta j f m un an p109 pa G am en E wo amp n og 8 Pie ag pe 8 nu e PISPH PIS pa mn ia u AO Pno wE am mw me me cu Ra i a 2032323 pgaga 6 mu as EH ELE REREDEREDE w a be 2 ENERO we un a ENANA ma s mv CE TD mi Put m m cin us bb Za ome cx oa me ew E oe P99A poa tom ema 2 va os mz ag gl om w em ns mjaf P3107 a w am an om we aD ny am on ca 3 Ey bad 1 me P66A an uo eur ne mm PEGA moi on om wo EO teh be ma em amo D me ee m m g ae St ma a x z e a asan ue Yel s GE ms aa as BE ino em um ma Ed z O Figure 7 2 Inter module communications IMC board interface layout diagram As shown in Figure 7 3 RS232 cable can be used to connect personal computer and UPS serial communication port to program IMC From UPSC i J3000 P26 P3000 To auxiliary power Mra o P66 J66 ID CAN y S 53 wr IMC board TE ere 4 02 806730 xx Ble rom ol 9 2 ID_CAN 8 Sl J99 P99 7 a 2 3 12 sl 4 P3101 P3103 P3108 P3109 43101 33103 33108 43109 Y Multi module interface te Analog LBS interface bin ta Digital LBS interface Figure 7 3 Inter module communications IMC board signal connection diagram Liebert NXL UPS Single And 1 N Parallel System 500
59. B_KEY_IS_INSERTED MBB key inserted normally closed TB0821 1 EIB_RLY_NOT_ACTIVE Maintenance bypass disabled normally closed TB0821 2 24V_RLY_COM Power supply grounding TB0821 3 EIB_RLY_ACTIVE Maintenance bypass enabled normally open P0801 1 24 ISO _PTC 24V power supply P0801 2 EIB_GNDFLT_SIG1_L Battery grounding failure signal 1 P0801 3 CGND Signal grounding P0801 4 EIB_GNDFLT_SIG2_L Battery grounding failure signal 2 Notice All the auxiliary cables must adopt the dual insulating twisted cable and the sectional area shall be 0 5mm to 1 5mm Ar To prevent error action the aforesaid auxiliary contact signals are valid only when the normally open and normally closed contacts act simultaneously 3 3 3 Output Dry Contact Interface The output dry contact interface provides two output dry contact signals The pin layout of the dry contact interface is shown in Figure 3 6 and the interface description in shown in Table 3 5 Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 3 Electrical Installation 19 TB0835 TB0823 Z tt w Ww a B gt 6 2 E l E O E E O 1 O E am o E m ai lt O m7 E no E E 2 E Q 9 l Q Q 5 Z a lt m o j u 3 ie oe o w oO w ca ty Do m uw Figure 3 6 Output dry contact interface Table 3 5 Output dry contact interface description Location Name Meaning TB0835 1 EIB_ACTFILT_OFF Active f
60. Fixtures Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 2 Mechanical Installation 2 3 5 Cable Access Mode 2 3 6 The UPS can adopt top cable access and bottom cable access When adopting top cable access remove the baffle plates at the top of the rectifier cabinet and switch cabinet and you can see the copper busbar When adopting bottom cable access remove the left baffle plate at the bottom of the rectifier cabinet and the right baffle plate at the bottom of the switch cabinet and you can see the copper busbar For bottom cable access the cables shall enter from the rear side of the rectifier cabinet and switch cabinet Note When power cable is connected to the UPS from the bottom proper cable size and cabling mode shall be selected to ensure that the cable can be connected to the UPS copper busbar smoothly Mechanical Connection Between The Cabinets The UPS is composed of several cabinets and mechanical connections between the cabinets shall be carried out The cabinets shall be connected firmly to prevent any displacement because of vibration and provide reliable grounding As shown in Figure 2 1 the 500kVA UPS cabinet includes rectifier cabinet and inverter cabinet The cabinets shall be fixed with bolts at point A and point B at the front of the cabinet as well as the two corresponding positions at the rear side of the cabinet The four points adopt the same bolts with 2 bolts for eac
61. H T 41 Legend Inlet Air Temp 29 C String Al Detail Detail 77 3 2009 11 35 32 tf 2 2009 17 20 49 T 2 2009 17 02 49 30 Min B T 2 2009 15 35 42 009 7 2 2009 11 32 45 Shale T 2 2009 10 43 09 240 Min lo T 1 2009 16 05 55 15 Min f 00 04 04 129 00 08 11 127 00 07 52 127 00 16 49 128 143 127 127 143 18 34 43 Detail Detail Detail Detail 00 08 08 83 00 25 25 156 00 07 34 129 63 156 129 36 40 33 Detail Detail Detail T 172009 15 25 52 00 07 18 128 Summary MIL Records Log Records Refresh Figure 4 25 Total records of battery cycle monitor 130 32 Clear Log Detail M Close Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 50 Chapter 4 Operator Control And Display Panel e Summary As shown in Figure 4 26 the following can be seen in the menu the battery commission date time the last battery discharge date time the total battery discharge time the total battery AH and the total number of discharges ME Liebert NEL WinSYI BYPASS BATTERY 1 OF 1 Voltage 487 Y Temp 26 C Legend Charge 94 Inlet Air Temp 29 C O 30 Sec SEO 31 90 Sec Battery Commission Date Time Jun 9 2009 15 43 51 Last Battery Discharge Date Time Jul 4 2009 15 02 14 91 240 Sec Total Battery Discharge Time 03 27 52 Total Battery Amp Hours 371 SU Ties Total Number of D
62. L544CSA8 board P1011A interface Fan board 1 power supply W290 02 806708 board P0814 interface UL544CSA8 board P814A interface DC fuse detection W300 02 806701 board P0500 interface UL544CSA8 board PO500A interface BPSS board signal transmission W301 02 806701 board PO501 interface UL544CSA8 board PO501A interface BPSS board signal transmission Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 32 Chapter 3 Electrical Installation vat Rectifier cabinet Inverter cabinet Qty Meaning VIL i W302 02 806701 board P0700 interface UL544CSA8 board PO700A interface 1 ie transmission VIL i W303 02 806701 board P0701 interface UL544CSA8 board PO7O1A interface 1 e transmission 02 806701 board P99 interface W306 UL544CSA8 board PAA interface 1 CAN wire A 02 806802 board P966 interface el was AAA 02 806710 t 1 board P66 interface f W307 UL544CSA8 board PBA interface 1 CAN wire loop B 02 806708 board P99B interface Auxili W308 02 806701 board P1300 interface UL544CSA8 board P1300A interface 1 oe signal transmission Auxili W309 02 806701 board P1302 interface UL544CSA8 board P1302A interface 1 IP module signal transmission Main circuit circuit breaker Q1_A2 w311 LCOPPSr busbar UL544CSA8 board P1304A interface y Aay powermogule Main circuit circuit breaker Q1_B2
63. Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Version V1 6 Revision date June 24 2011 BOM 31012213 Emerson Network Power provides customers with technical support Users may contact the nearest Emerson local sales office or service center Copyright 2009 by Emerson Network Power Co Lid All rights reserved The contents in this document are subject to change without notice Emerson Network Power Co Ltd Address No 1 Kefa Rd Science amp Industry Park Nanshan District 518057 Shenzhen China Homepage www emersonnetworkpower com cn E mail support emersonnetwork com cn Important Notice This manual involves the relevant installation and operation documents of Liebert NXL 500 600 800kVA UPS single module and 1 N parallel system Please read carefully the relevant chapters of this manual before installation The UPS must be commissioned by the engineer designated by the manufacturer or its agent before it can be used Otherwise the UPS damage caused will not be covered by the warranty The Liebert NXL 500 600 800kVA UPS is used only for commercial and industrial purpose and shall not be used as the power supply for life support equipment This Manual Covers The Following Parts Equipment Model 500kVA UPS 12 pulse Liebert NXL 500kVA 600kVA UPS 12 pulse Liebert NXL 600kVA 800kVA UPS 12 pulse Liebert NXL 800kVA Options Model 500kVA trap filter 50Hz
64. P input interface Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 20 Chapter 3 Electrical Installation P0806 NC LEPO Figure 3 8 LEPO input interface Table 3 6 EPO input contact relay Location Name Meaning TB0825 1 REPO_NO Trigger EPO when it is shorted with TB0825 2 TB0825 2 REPO_NO Trigger EPO when it is shorted with TB0825 1 TB0825 3 REPO_NC Trigger EPO when it is disconnected from TB0825 4 TB0825 4 REPO_NC Trigger EPO when it is disconnected from TB0825 3 TB0824 1 REPO FORM C_NO TB0824 2 REPO FORM C_NO C gt Trigger EPO when it is shorted with TB0824 1 and disconnecting TB0824 3 TB0824 3 REPO FORM C_NC P0806 1 LEPO_NC Trigger EPO when it is disconnected from P0806 1 P0806 2 LEPO_NC Trigger EPO when it is disconnected from P0806 2 The external EPO device needs to use shielded cable to connect to the normally open or normally closed remote EOP switch between the two terminals of REPO or REPO FORM C If it is not necessary to use REPO function carry out the following operations 1 Disconnect Pins 1 and 2 of TB0825 and short circuit Pins 3 and 4 of TB0825 2 Short circuit Pins 2 and 3 of TB0824 and disconnect Pin 1 of TB0824 If it is not necessary to use the LEPO function short circuit Pins 1 and 2 of P0806 The UPS EPO operation will shut down the rectifier inverter and static bypass but will not disconnect the UPS mains input power inter
65. PS Operation Introduction JN caution Power supply interruption danger of the load Except emergency please confirm that the lower left corner of UPS screen shows no alarm notification before the operation in order to avoid the power supply interruption of the load If there is the alarm notification the screen will ask the operator to confirm or cancel the operation that may cause the power supply interruption of the load 1 Choose Shutdown menu from the LCD screen which shows the shutdown interface as Figure 4 20 2 Choose and press the UPS button then the following dialog box as shown in Figure 4 21 pops up press OK The operation will turn off the rectifier inverter and battery of the UPS which supplies power to the load through the static bypass In the power flow diagram the frames of the rectifier inverter and battery in the diagram darken while the bypass frame and the power supply path become green constantly at the moment 3 Open the outer and inner doors of the switch cabinet and close internal maintenance bypass switch Q3 At the moment the maintenance bypass parallels with the UPS static bypass The LCD shows the relative implemented operation which is maintenance bypass power supply 4 Disconnect output switch Q4 and bypass switch Q2 At the moment the load has been transferred to maintenance bypass which means the load is supplied by the Ave maintenance bypass directly The load equipment does not ha
66. SS BATTERY 1 OF 1 Voltage 507 Y Temp 26 C d Legend Inlet Air Temp 28 C Figure 5 3 Power flow diagram in bypass mode 4 Check whether the LCD shows that the current window has abnormal alarms If any power down and check it according to Table 4 3 or contact the local customer service center of Emerson Network Power Co Ltd 5 Close input switch Q1 At the moment confirm that the LCD shows the input power supply path of the main circuit is green if not check whether switch Q1 is closed The following dialog box pops up on LCD Press OK to Issue Rectifier On Command After pressing OK the rectifier starts up in soft start mode with its frame in the diagram blinking green A few seconds later the rectifier starts to operate stably with its frame in the diagram in green constantly and the bus at a rated voltage 6 The following dialog box pops up on LCD Press OK to Issue Inverter On Command Press OK the inverter starts to operate normally after its frame in the diagram becomes green constantly When the system detects the battery its frame in the diagram becomes green 7 The following dialog box pops up on LCD Press OK to Issue MBD Enable Command Confirm that the bus voltage is normal and the battery s polarity is right Press OK to charge the battery and close the external battery circuit breaker while press Ignore to disconnect the battery The battery circuit breaker is inside the BCB cabinet 8 The
67. U3 Output ti ole HE va y A q 8 3 d Bs W3 A gt ee ae i aa ES as E E HE Q3 oar mee n in Saul RAFA RectiRectifier UE fe ELEG i i z 4 a B Rectinput Tht EE 2 ole NRL mn Ai UF Recti WA le E EE La ii J af Q2 sp NO Mt Earth bar HLH rr ap eee Area po U2 Bypass it AHHH JH pe Ue He App V2 input y ie i lena A Us we ut al f 4 x le it fal F i He 7 E i ETE k T fe MS SE E Rectifier cabinet Inverter cabinet Switch cabinet N Asp Earth bar Battery j EL A amplified view B amplified view Figure 3 3 Illustration drawing of power cable connection for 600k VA 800k VA UPS 3 2 Distance Between The UPS Connection Point And The Floor The distance between the UPS connection point and the floor is as shown in Table 3 3 Table 3 3 Distance between the UPS connection point and the floor iPS Conse cai Minimum distance from the floor mm ceria 500kKVA SO0KVA S00KVA Main circuit AC input bus 1079 690 690 Bypass AC input bus 543 330 330 UPS AC output bus 895 1323 1323 Battery input bus 1703 1252 1252 Rectifier cabinet grounding bus 600 510 510 Switch cabinet grounding bus 759 910 910 Battery CAN wire 1279 1200 1200 3 3 Wiring Of Control Cable 3 3 1 Overview For on site specific needs the UPS needs auxiliary connection to realize battery system management communicate with PC provide alarm signal to external devices realize remote EPO or provide bypass back feed circuit breaker signal These fun
68. UPS And The Load Completely UPS Reset Procedures After EPO After shut down the UPS through EPO clear the fault according to the alarm message displaying on LCD screen Then carry out the following reset procedures to make UPS resume normal operation After confirming the fault has been cleared and no remote EPO signal is received the user can carry out the following procedures 1 After EPO a dialog box pops up on LCD screen indicating Press OK to Reset EPO Latched Signal Press OK to make the system out of the EPO mode 2 Choose Manual Startup from Startup menu on LCD screen 3 Carry out the operating procedures in 5 2 UPS Startup Procedures Enter The Normal Mode VAN Warning If internal maintenance bypass switch Q3 is closed and UPS has input power it means UPS has outputs 5 9 Automatic Restart When the mains failure happens UPS which supplies the load through the battery does not stop outputting until the battery reaches its end of discharge voltage EOD UPS will restart automatically only when the following conditions are met e The return of the supply power UPS has set Automatic restart to Enable and the type of automatic restart the default configuration is charge only There are three types of automatic restart bypass only charge only full system on e After automatic restart delays During the automatic restart process manual startup is disabled Automatic restart must be set by Emerson
69. UPS only generates alarm but has no other actions Sss Overtemp Limit The temperature of the output static switch heatsink exceeds the highest temperature limit The inverter will be shut down If it is permitted switch to the bypass Input Filter Open The input filter is in disconnected state Controls Comm Fail The control system DSP has fault with the external communication Rectifier Fuse Fail One or several fuses of the rectifier have faults Load Exceeded Ph A The load exceeds the highest load alarm value of phase A The user can set the alarm value through HMI and the delay time of detecting alarms Load Exceeded Ph B The load exceeds the highest load alarm value of phase B The user can set the alarm value through HMI and the delay time of detecting alarms Load Exceeded Ph C The load exceeds the highest load alarm value of phase C The user can set the alarm value through HMI and the delay time of detecting alarms LBS Active LBS is enable and in activated state Loss of Redundancy The multi module system has less than one online redundancy module Mod Output Brkr MOB Open The module output switch is disconnected Mod Output Iso QE Open The output isolator of external installation is disconnected Imc CAN Comm Fail In the parallel UPS system System CAN or Power Share CAN has communication failure Imc FPGA Comm Fail In the parallel UPS system discret
70. When the UPS is in the inverter mode there will be large power consumption Proper air conditioning system shall be selected according to the inverter operating mode Battery Location Selection The ambient temperature is the main factor that affects the battery capacity and life The normal operating temperature of the battery is 20 C If the ambient temperature is higher than 20 C the battery life will be reduced If it is lower than 20 C the battery capacity will be reduced In normal situation the allowable ambient temperature for the battery is 15 C to 25 C The ambient temperature of the battery shall be maintained constant and the battery shall be kept away from heat source and air outlet Battery can be installed inside the specialized battery cabinet which shall be close to the UPS If the battery is placed on the raised floor bracket shall be installed under the floor just as for the UPS If the battery adopts rack mounting or is mounted far from the UPS with other installation mode the battery circuit breaker shall be installed near the battery and the cabling distance shall be minimized The battery interface board BIB and battery circuit breaker BCB shall be placed inside the BCB box cabinet Mechanical Requirement System Composition The 500kVA UPS cabinet includes rectifier cabinet and inverter cabinet The 600kVA 800kVA UPS cabinet includes rectifier cabinet inverter cabinet and switch cabinet All the cabinets ar
71. XL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 4 6 Chapter 4 Operator Control And Display Panel 51 superior input switch is needed If the UPS front end input uses the switch with the electronic controlled tripping functions the EPO switch drive can trip the external circuit breaker so as to disconnect the UPS input power If the long range contact point EPO is used refer to 3 3 4 EPO Input Interface for wiring the same operation as LEPO UPS Event Record List The event information in UPS is the indication alarm and failure information of the system In case of UPS incidents it will be displayed in the current event window of LCD screen After the end of the event it will be recorded in the event record LCD screen provides the record and browse of all kinds of event information All the UPS events are listed in Table 4 3 The UPS classifies the events in different colors green for status orange for alarms and red for faults Table 4 3 UPS event record list Message of prompt window Explanation Input Not Avail Abnormal input power including input under voltage or over voltage input over frequency or under frequency input phase loss input power failure Input Phase Loss One or several phases of the rectifier input have abnormal voltage Check if the main circuit input wire has not been properly connected or if the cable is damaged Inp Phase Rotation The input phase rotation of r
72. a rca 76 7A 6 Control Cable icon ee A ee See 77 7 1 7 Remote Emergency Shutdown ceccecescesesceseaeeeeeeseseeeeaeeseaeeeeaeeseaeeseacesaeeseaeeseaeessaeeseaeeseaeeseaeeeeaeeseaees 78 FAs OiEXTSMMa l Wicho ici 78 7 2 Operation Steps For 1 N Parallel SyStem oo eeceeeeseeeeeeneeeeeeneeeeeeeneeesesaeeeeseaeeeeeeaeeeseaeeeeseeeeseeeaeeeteeneeeees 79 Fd Slant StOpSie O TO 79 7 2 2 Shutdown Steps Complete Shutdown Of All The UPS And Load 0ocococccccocccocccooocanancconnnanancnnnncnnnnccnnnco 84 7 2 3 Operation Steps Of Transferring From The UPS To The Shared Maintenance BypaSS ceeeee 86 7 2 4 Transfer Maintenance Bypass Supply Mode To The Normal Mode cceeceeeseeeeeeeeeeeeeeeeeteneeeeneeeeaees 86 73 DUAI BUS SYSUOM ita laica lc doi ellie EAEE o EAEN AEA ra 87 7 3 1 External Protection DEVICE ii ia eco ci edad 87 2 32 Cabinet Installation a it TOG av bee ea ars 87 73 3 Power Cablexusncininia aah Meal Gab A de ee See 88 TEER Cable Controliia citiytccid Aint tether ic ee es ee a al 88 Chapter 8 Communication 2 0 ian Aste ais ee Bu Bob aa es A A eee 90 8 1 SNMP Protocol Communication siseses er a a e iE E Ee NE ia s ai aadi 90 8 2 Modbus Protocol Comm nicatio Ma sieas anea a A AE REKE EAEE a Eaa a 90 8 2 1 Communication Through Modbus Card ooococincccnocccnoncconcncnonnnoncncnnnnnnnn nro n cnn canon rnn nr nn 91 8 2 2 Communication Through HMI Control BOardO ooooncccncicioccconcconocaconc
73. ace interface detection 2 8067 P 1 itch i i W352 806708 board P083 OUT TS3 1 Switch cabinet air out et interface temperature detection W220 02 806710 1 board P1011 02 806716 board P1011A 4 Power supply interface interface w165 02 806711 2 board P1100 02 860705 board P1100A 4 Bypass back feed interface interface control signal LW346SX1 P44 2 7 P44 W156 x 346SX1 board o 806 a board 4 Power supply interface interface 02 806708 board P0814 DC fuse DCFAP and W264 interface DCFFCN 1 DC fuse status detection W199 ULW346SX1 board P1305 02 806716 board P1305 4 Auxiliary power supply interface interface output current draw woot 02 806710 1 board P99 02 806710 2 board P66 4 CAN wire interface interface W262 02 806708 board P66B 02 806710 4 board P99 4 CAN wire interface interface w185 02 806707 board P0713 Output current 4 Output phase A current interface transformer CT7 detection Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 3 Electrical Installation 33 Cable label W186 Rectifier cabinet Inverter cabinet 02 806707 board P0714 interface Switch cabinet Output current transformer CT8 Qty Meaning Output phase B current detection W187 02 806707 board P0715 interface Output current transformer CT9 Output phase C current detection W159 02 806705 board P0502 interface Switch Q2 3 Q2 5 Q2 7 busbars Bypass
74. ailure is cleared the event will still remain in the window until you clear the event log if no is selected the event will automatically disappear from the window after the fault is cleared O Silence yes no set whether to silence the alarm in case of events e Event Log Yes No Set whether to display it in event log in case of events 4 4 2 Status Report The menu can be used to read all the records of current and historical events e Event log able to store up to 1024 event logs when all the 1024 events logs are full the earliest event log will be replaced by the latest one Click event log and then the screen will display explaining information on the event UPS event log list is as shown in Figure 4 3 e System status The total number of operation hours the total number of work hours when UPS has worked Battery operation time the total discharge time of battery until the event log is finally cleared 4 4 3 Startup 4 4 4 The menu can be used to start the UPS the input trap filter module battery disconnect MBD and BCB O Manual startup to start the UPS For detailed operation steps refer to 5 2 UPS Startup Procedures Enter The Normal Mode e Equipment control Close Trap Close the input trap filter if it has been equipped Close MBD BCB if MBD is electrically controlled it can be closed with electricity if not it should be closed manually If MBD is not equipped it will not appear on the
75. and visually inspect whether the inside and outside of the UPS and battery have any transportation damage If there is any damage report to the carrier immediately Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 2 Mechanical Installation 9 2 5 Installation Diagram Figure 2 3 and Figure 2 4 respectively describes the key mechanical characteristics of 500kVA 600kVA and 800kVA UPS cabinets Top view door open Right view Front view Left view Air outlet 1250 1585 Air outlet Air inlet 4950 Air inlet Em EU E 1000 La E Removable grill panel can be removed for lifting with fork lift truck and installed for protection and ventilation 95 97 97 839 Baang BBB BE ENEE oa PEE ES ED E 2835 A Bottom view 74 Figure 2 3 Top front side bottom view of the 500kVA UPS unit mm Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 10 Chapter 2 Mechanical Installation Top view door open
76. ara aeei 96 Chapter 10 SpecificatiONS ixiriici tania a de ee Se el eee 97 10 1 Gonformance And Standards ist cite ee ee AA ie eed eevee 97 10 2 Ambi nt Conditions ctas id ol e il 97 ALORE maahi URC aT LEE eTe E N EAA EE ATEA TT 97 10 4 UPS Electric Characteristics Rectifien oooononnnnnninnininnnninncnnnncnnnccnnrcnnnrncnnrnn nr cnn nn 98 10 5 UPS Electric Characteristics DC Intermediate CirCuit oooonnnncnnncninnnnnncccnoncnnncccnnrncnnnn cnn cnnnn cnn can nncnrrcannncnnn 99 10 6 UPS Electric Characteristics Inverter Output oooonccccnccinoccnocccnoncnnnnnconnananc cnn canario 99 10 7 UPS Electric Characteristics Bypass Input ooocconncccnnnicincccnoncconancnonnnnoncnnnn canon cnn nan n nc n narran carr cn nncannnccnnns 100 Appendix 1 Guidance For Removing Transport FIXtUTOS oooococccnoccccocncoonncnnnccnnnnnnnnncnnn nano cc nn cnn n nr ronca nn nn cnn nana c cnn nanncnnnns 101 1 Procedures For Removing 500kVA UPS Transport Fixtures ooooocncccnoccconcccnoncconcncnnnc cono ncnnn crono n cnn cnn cnn nc nnnnncin 101 1 1 Procedures For Removing The Fixed Screws Of The Rectifier Input TranstorMer o ooooocccnnnccinccnnnccccncnoss 101 1 2 Procedures For Removing The Fixed Screws Of The Output Transformer In Inverter Cabinet 102 2 Procedures For Removing 600kVA 800kVA UPS Transportation Restraint 0 ccceeeceseseeseeeeeeneeeeeeeteneeeneens 103 2 1 Procedures For Removing The Fixed Screws Of The Rectifie
77. as its particular characteristics this chapter will not introduce any detailed installation procedures It will provide general installation procedures and methods for the reference of the installation personnel so that they can properly handle the specific situations of the sites Environmental Requirement UPS Location Selection The UPS shall be installed in a cool dry clean and well ventilated environment in which the mounting floor shall be flat and even and the ambient environmental parameters shall be within the specified range as shown in Table 10 2 The UPS adopts forced air convection cooling which is provided by the internal fan The cold air enters the UPS through the grills of the UPS cabinet and exhausts through the top grill of the UPS If the UPS is mounted on the raised floor and adopts bottom inlet mode the cold air can enter the UPS through the gap between the UPS and the floor Exhaust fan shall be installed when necessary to accelerate the ambient air circulation In the dusty environment air filter shall be installed Note 1 When the battery cabinet is installed near the UPS the maximum allowable ambient temperature is dependent on the battery rather than the UPS Note 2 The UPS shall be mounted on the concrete or other incombustible surface Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 2 2 2 2 3 2 3 1 2 3 2 2 3 3 2 3 4 Chapter 2 Mechanical Installation Note 3
78. as the tightening torque requirement are as shown in Table 3 2 Ensure to maintain proper phase sequence A Avon If there is no power supply requirement for the load when the commissioning engineer is on site please have the system output cable end properly insulated Battery connection 6 Connect the battery cable between the UPS terminals and the battery circuit breaker The specifications of the cable connecting nuts or bolts as well as the tightening torque requirement are as shown in Table 3 2 Connect the shielded battery CAN cable between the BIB and the EIB Ensure the proper polarity for battery connection AA Do not close the battery circuit breaker before the completion of the equipment installation 7 Confirm that all the cable connections have been completed Close the inner door and then the outer door
79. attery Installation Environment And Number Of Batteries Installation Environment Fresh air volume EN50272 2001 The operating environment of the battery must be ventilated During the operation of the battery the following requirement for the fresh air ventilation shall be satisfied Q 0 05xnxIgasxCrtx10 m h Where Q The fresh air ventilation volume per hour the unit is m h n Number of cells Igas The gas evolving current density under battery float charging or equlaizing charge conditions the unit is mA Ah Igas 1 under the float charging condition of 2 27V cell Igas 8 under the equlaizing charge condition of 2 35V cell Crt 20hr battery rated capacity Temperature Table 6 1 Ambient temperature range Type Temperature value Remark Recommended 20 C 25 C The ambient temperature for the battery operation shall not be too high or too low optimal temperature If the average operating temperature of the battery rises from 25 C to 35 C the i service life of the battery will be reduced by 50 If the operating temperature of Short time allowable ISA temperature 15 C 45 C the battery is over 40 C the service life of the battery will be reduced exponentially each day Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 70 Chapter 6 Battery 6 5 2 The higher the temperature is the shorter the battery service life will be At low temperature the charge
80. battery temperature detection device The battery temperature sensor is a standard option for battery temperature detection Modes Of Operation The UPS can be in one of the following operation modes Normal mode The mains is rectified by the UPS rectifier and then inverted by the inverter to provide uninterrupted AC power supply to the loads At the same time the charger i e the rectifier will float or perform equalization charging to the battery Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual Chapter 1 Overview Note When the mains power comes from a generator it is required to configure dry contact signals for the generator For details see 3 3 2 Input Dry Contact Interface If dry contact signals cannot be configured for the generator please make sure that the trap filter is open if the trap filter is closed please open it manually For detailed procedures see 4 4 4 Shutdown Battery mode The operation mode in which the battery provides backup power supply to the loads through the inverter is called battery mode Upon mains failure the system will automatically transfer to the battery mode and the power supply to the load will not be interrupted When the mains is recovered the system will automatically transfer back to the normal mode without any manual intervention and the power supply to the load will not be interrupted Automatic restart mode The UPS has automatic restart function When
81. binet is recommended Power Cable For the connection method of each UPS module power cable refer to 3 1 Wiring Of Power Cable In the UPS module of parallel system the length difference of power cable should be controlled within 20 Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA_ User Manual 76 Chapter 7 _1 N Parallel System Installation 7 1 5 Inter Module Communications IMC Board IMC board interface layout is shown in Figure 7 2 IMC board can realize communication among UPS modules in 1 N parallel system Each UPS module has an IMC board enabling communication between each UPS module with others in 1 N system IMC board provides three communication bus accesses among UPS modules respectively system CAN bus load sharing CAN bus and disconnected I O bus ELE TEE ERE rues P3108 SEOSESSESBREEES P 5353536535838 P24 aaa gu m e P3109 Ra 22523952 G e Fad e BERREEZEESGEEE o EY a8 su om gt El 25 Py a E o a TFE a qs Sup a w ow ma ur wo w 2 P101 a be zar uo a san mal opel a a Pwe amo c Ss a ww ea ao BAUME oo a oF o os 4 a r m S jmt a i ag zE E ow ee P103 z a a m ga shies us 5 P3101 g ca gn mw om r E ea a a 7 on on Pio be m ma a a a g m n gt 8 ue ers om to mal P3103 wm w gt al w a a w mw be m ca P3000 raw 7 m P06 mo e ma BE RE Era Es mo 3 x a ce ES a n 0 J E m 5 ma UE ma i a a om om ue ws
82. closed manually but the circuit breaker does not report the close state Input Filter cycle The input filter opens and closes automatically for 9 times within 1 hours and it cannot automatically close any more Stop Chrg Batt OT Because the battery temperature detection value exceeds the set value the battery charing stops Multiple Fan Fail This comphensive event indicates that more than one fan in the system fails Out Filtr Fuse Fail One or several fuses in the output filter fail DC Link Gnd Fault The positive of DC bus has earth fault DC Link Gnd Fault The negative of DC bus has earth fault Batt Ground Fault The battery current detected by system exceeds the rated tripping value Auto Restart Fail Automatic restart is enabled but it does not complete successfully Reasons Manual shut down during the process of automatic restart bypass power or main circuit power is abnormal during the restart process or the bus voltage does not meet the starting up requirement of the inverter or the system does not transfer the main circuit to supply the load any of the above situations could trigger the alarm Restart Inhibited When the specific signal coming from the interface board of input dry contact is valid automatic startup function will be disabled Restart in Process Automatic startup is proceeding Manual startup is disabled at the moment User Event Resetr The user car
83. ctions are realized through the external interface board EIB at the back of the front door of the UPS rectifier cabinet and interface TB1101 on the CB interface board As shown in Figure 3 4 the ElB provides the following interfaces e Input dry contact interface e Output dry contact interface e EPO input interface e Battery circuit breaker interface Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 16 Chapter 3 Electrical Installation O arte a O CAN DUAC ooo loool a 24V_ EIB rA TB0821 TB0835 Isolation HMI MAINT BYP ACT FILT CNTL 8 3 term RS485 ENABLE ond reg 2 z mEn m o Terminal MC9S 12DT128 A TB0801 a ar TBO831 TB0832 BATT GND FLT circuit TEMPI TEMP P0803 Far 24V to 48V 24V 12V and TiS QO QO 5 V Isolated Power Supply MOBIQES S TB0830 TB0811 0830 Fa H Z me aor 9 9 9 arrar 0 0 0 aff fe STATUS mE TB0810 TB0816 TB0829 TB11548 TB1154A regi LOCO on cen OOO EXT CAN INTBATTCAN EXT BATT CAN TB 0823 E iia aleo EPO STATUS OOO VO00O 0000 Eme TB0819 os13 A gt MBB QBP O_O O BY 000 REPO CNTRL TB 1156 TB0827 Leds TBOS17 z A TBO812 BATT MTR OI PT TB 0825 spon CSO ET 000 es Ed i TB0820 mnm TBOS1S TB 0826 Intellisl
84. d When the cable connected to the terminal produced by Phoenix Company must be laid out separately with the power cable and it is dual insulating cable if the maximum cabling distance is 25 to 50m the sectional area is generally 0 5mm to 1 5mm Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 17 Chapter 3 Electrical Installation TB 0811 TBO812 TBO813 TBO810 eee ieee ieee eee 035019 SI aaW ela aan Ave NadO SI gan ela 35019 SI aid 913 gig Avet NadO SI gid 913 038019 SI gIW ala al Ave NadO S aW ala 0350 si ald ala ale Avet NadO SI alg 913 TB 0830 pnn TB0820 nnn TB0816 pnn TB0815 nnan 3198v83d0 LON 11319V 813 Ze v dS Apet 319ve83d0 11310V 913 GSAONSY SI ADM 913 ADM Ave GALYSSNISI AS 813 N39 NO 9l3 NADNO Apz N39 NO LON 413 038079 SI SOW 813 GOW Avet NHO S MW 813 P0801 TB0821 Old OSI Avet TSIS 17130N9 4913 aN99 T25IS 1740N9 413 JAI LOY LON AT ala WOO Aly 813 AN LOV Aly 913 Input dry contact interface Figure 3 5 D D 5 5 o 2 amp lt E a 2 n O n lt 2 o Cc a wn 2 9 3 E g D amp o S T E E4 2 Ko x 3 amp Fa lt Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 18 Chapter 3 Electrical Installation Table 3
85. devices have not rated years of service life Failure of SCR and IGBT is always caused by other problems not their own limited service life However in the process of the maintenance of the system regular check should be made once a year on whether there is corrosion or damaged enclosure in the appearance of power semiconductor devices Devices that have been checked to have the risk of failure should be replaced Electrolytic Capacitor The actual operating life of electrolytic capacitor is mainly affected by the system s DC bus voltage capacitor ripple current and UPS s ambient temperature In order to ensure the safety and stability of UPS power supply system it is recommended to have regular inspection once a year on the operation state of electrolytic capacitor Electrolytic capacitor must be replaced before the end of the operating life The replacing years of electrolytic capacitors is proposed to be 5 years to 6 years AC Capacitor It is recommended to replace AC Capacitor after 5 to 6 years continuous work It is recommended to have a regular inspection every six months on AC Capacitor If there is any deformation of appearance the AC Capacitor should be replaced Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 96 Chapter 9 Maintenance 9 2 5 Air Filter Air filter needs regular inspection and replacement whose time interval is related to the environmental conditions under which UPS is working U
86. e UPS rectifier cabinet inverter cabinet 500kVA and switch cabinet 600kVA and 800kVA to reveal the connecting copper busbar 3 Connect the protection ground and other necessary ground cables to the grounding busbar of the UPS inverter cabinet 500kVA and switch cabinet SOOKVA and 800kVA or rectifier cabinet Note the connection of the grounding cable and the neutral wire must comply with the relevant local and national regulations 3 Connection of split bypass 4 The UPS adopts split bypass configuration and it is necessary to connect the AC input cable to the main input cable U1 V1 W1 terminal and connect the bypass input cable to the bypass input busbar N2 U2 V2 W2 The specifications of the cable connecting nuts or bolts as well as the tightening torque requirement are as shown in Table 3 2 Ensure to maintain proper phase sequence Table 3 2 Specifications of cable connecting nut bolt torque UPS connecting cable Bolt nut Recommended torque Nm Main circuit input cable M12 50 Bypass input cable M12 50 Output cable M12 50 Battery cable M12 50 Grounding cable M12 50 System output connection Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA_ User Manual 14 Chapter 3 Electrical Installation 5 Connect the system output cable between the output copper busbar N3 U3 V3 W3 and the load The specifications of the cable connecting nuts or bolts as well
87. e adjustable e Date format month day year the month day and year are adjustable e Password Reset the parameter setting password case sensitive set by commissioning engineer e Languages English Chinese French Spanish German Italian Portuguese display supports Chinese and English e Audio level 1 10 level the default setting is 5 level Phase labeling Automatic ABC RST XYZ RYB RWB UVW 123 L1L2L3 the default setting Automatic e Module locator Location ID letters or numbers are both acceptable System number letters or numbers are both acceptable Module label letters or numbers are both acceptable Adjustable settings for users The dialog box of user s adjustable settings is as shown in Figure 4 15 Users can change alarm and alarm settings M Manual Xfer Bypass Voltage Limits Manual Xfer Bypass Voltage High Limit 15 EAT Manual Xfer Bypass Voltage Low Limit 8 15 Phase A Phase B 8 E Inlet Air Temp Farning Phase C 8 Delay seconds 5 Inlet Air Temp Warning 35 C Figure 4 15 The dialog box of user s adjustable settings e Maximum load exceeded The output A phase load percentage from 10 to 105 can be set the default setting is 100 The output B phase load percentage from 10 to 105 can be set the default setting is 100 The output C phase load percentage from 10 to 105 can be set the default setting is 100 Delay seconds from 0 60 seconds ca
88. e of the same height and installed side by side for aesthetic effect Movement Of Cabinet JN warring 1 The lifting equipment for moving the UPS cabinet shall have enough lift capacity 2 Vertical hanging of cabinet is not allowed Ensure that the UPS weight does not exceed the lifting capacity of the lifting equipment For the UPS weight refer to Table 10 3 The UPS cabinet can be moved by fork truck The front rear or side grids at the bottom of the cabinet shall be removed Operation Space Because the UPS has no grill at the two sides and the rear side there is no special clearance requirement on the two sides and rear side However when space permitting please reserve a clearance of 600mm for operating the rear magnetic components Enough operation space shall be reserve at the front of the UPS ensuring that operators can pass freely when the UPS door is completely opened Removing Transportation Rubber Strip And Fixing Device To minimize the friction between the outer door and inner door of the cabinet during the transportation rubber strip is added between the outer door and inner door at the factory before delivery When the equipment arrives at the user s site the rubber strips shall be removed Before the UPS is in position remove the transportation fixing device for fixing the input transformer and the output transformer For detailed operations refer to Appendix 1 Guidance For Removing Transport
89. e overall parallel system diagram can be observed QOP is the output switch of the system as shown in Figure 7 14 SYSTEM OUTPUT y Status Yiew On Module View Legend RESET SILENCE INPUT MODULE OUTPUT q u y w U y i A MEN 397 397 398 Y LL 396 396 395 Y S internal comi Fali ay Amps 1060 1055 1082A L N 228 229 228 Y Freq 50 04 Hz Amps 951 1002 923 A BHA KVA 81 86 79 Y u KW 90 95 87 L L 375 381 363 V ET 0 99 e0 20D Freq 49 98 Hz KVA Kw 657 655 eC Ire 49 99 DC BUS Volts 541 Y m Amps 16 A a a Charging EFTTA Inverter leads Bypass by 1 deg Aug 3 2009 Lieberte NXL 800 KVA M 15 49 42 Copyright 2009 2012 MOD 1 CONFIG STATUS REPORTS STARTUP SHUTDOWN TRANSFER BATT MGT METERING HELP Figure 7 14 The overall power diagram of the parallel UPS system 1 2 system Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 84 Chapter 7 1 N Parallel System Installation 9 Other modules added in parallel system for the modules added later skip the bypass startup and start the rectifier the inverter close battery and transfer to the inverter UPS operated in inverter supply mode 7 2 2 Shutdown Steps Complete Shutdown Of All The UPS And Load Complete UPS shutdown and load power off should follow this step All power switches and breakers are disconnected and then UPS is no longer to supply power to load ZN caution The following steps will cut off the l
90. e regulated battery At present valve regulated means the sealed type or maintenance free mentioned in the past The valve regulated battery is not completely sealed Especially when it is over charged there will be gas escape The volume of the gas escape is less than the water injection battery However during the installation design of the battery temperature rise shall be taken into account and enough room shall be reserved to ensure good ventilation Besides the valve regulated battery is not maintenance free The valve regulated battery must be kept clean and it shall be inspected regularly to check if the connection is reliable and if it is corroded For details please refer to 6 11 Battery Maintenance It is suggested to connect no more than 4 strings of batteries in parallel Batteries of different types names or newness shall not be used together Otherwise the battery inconsistency will cause frequent over discharge or Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 6 4 6 5 6 5 1 Chapter 6 Battery 69 under charge of certain battery At last the battery will have premature failure and the entire string of battery will have insufficient backup time The battery must be stored in fully charged state The battery will lose certain capacity because of self discharge during the transportation or storage Charge the battery before use During the storage ensure that the amb
91. e signal or synchronous signal has communication failure Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 58 5 1 5 1 1 5 1 2 Chapter 5 UPS Operation Introduction Chapter 5 UPS Operation Introduction This chapter introduces the operating precautions and daily operating methods of UPS in detail Brief Introduction Precautions NN The user can conduct relative operation only after the authorized engineer carries out the first power on and test The parts behind the inside door which could be opened only by tools should not be operated by users Only the qualified maintainers are allowed to open the inner door The AC input and output terminals of UPS have dangerous voltage at any time lf the cabinet is equipped with an EMC filter the filter may have dangerous voltage 1 For the operation control panel buttons and power switch related to all the operating steps refer to Chapter 4 Operator Control And Display Panel 2 When UPS uses traditional lead acid battery the system provides equalizing charge optional function If the lead acid battery is used when the mains returns after an extended mains failure the charging voltage of the battery will be higher than the normal charging voltage 540V This is normal and the charging voltage of the battery will return to normal value after a few hours charging Power Supply Switch The power supply switches in the UPS can be
92. ectifier is activated The signal is received by the Input contact isolator ICI boards and one of the channels is defined as rectifier remote shutdown Remote Off Inv The inverter is shut down by external signal This state indicates that the external signal which triggers shutdown of the inverter is activated The signal is received by the Input contact isolator ICI boards and one of the channels is defined as inverter remote shutdown MBD BCB Open Fail The MBD BCB cannot disconnect MBD BCB Close Fail The MBD BCB cannot close MBD BCB Open t Status of MBD BCB disconnect HMI Comm Fail Real time communication failure of HMI ICI 1 Comm Fail ICl 1 communication failure ICI 2 Comm Fail ICI 2 communication failure Internal Comm Error The internal bus communication failure of the control board Fuse Fail The fuse has failure It indicates that among the input filter fuse output filter fuse rectifier fuse inverter fuse high frequency fuse and output fuse at least one fuse has failure Controller Error The controller has failure Breaker Open Fail This failure is a comprehensive event indicating that certain circuit breaker is disconnected or certain breaker is disconnected manually but the circuit breaker does not report the disconnection state Breaker Close Fai This failure is a comprehensive event indicating that certain circuit breaker is closed or certain breaker is
93. ectifier is not A B C In normal situations the input phase rotation of rectifier is clockwise i e A B C Phase B lags behind phase A for 120 while phase C lags behind phase B for 120 Power off and check if the rectifier has correct input phase rotation Input Undervoltage One or several phases of the input voltage are less than the specified percentage of the rated voltage Check the rectifier input voltage Input Overvoltage One or several phases of the input voltage exceed the limit of the rectifier and cause the rectifier to shut down Check the rectifier input voltage Input OF UF The input frequency is out of the rectifier input frequency range and causes the rectifier to shut down Check the rectifier input frequency Input Current Limiting When the input current RMS value reaches the input current limting threshold or it has been higher than the input current limiting threshold for a certain period of time this alarm will be trigger In generator mode when the input current RMS value reaches the input current limiting value set for the generator mode the alarm of input current limiting will also be reported Input Current Imbal Improper operation of the rectifier or input filter will cause the diference between the current of certain phase and the average current of the three phases to exceed 25 Rectifier Fault The rectifier failure which causes the shutdown of the rectifier including Imbalanced
94. el If the battery or mains fault happens the battery test will be stopped automatically The mains or battery will supply power to the load independently which makes the load work without any interruption Operating method of batiery test 1 Manual test e Do the battery test Choose Manual Battery Test from the Battery Management menu in the operation control panel then press the Start button to test the battery After finishing the battery test the system updates the data automatically which includes the battery s back up time Battery s back up time refers to the discharging time when the battery is supplying power O Stop the battery test During the testing process you can press the Stop button in the Manual Battery Test menu to stop the test 2 Automatic test After choosing the Automatic Test from Battery Management in Configuration menu on the LCD in the operation control panel a dialog box of setting the automatic test parameter pops up set the Automatic Test to Enable set and save the relative automatic test parameter The battery will enter automatic test at the setting time For details see the Battery Management in 4 4 1 Configuration Procedures For Operating From Maintenance Bypass UPS Shutdown Procedures The following procedures will transfer the load from the protected UPS power supply to the maintenance bypass switch Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 62 Chapter 5 U
95. em 500 600 800kVA User Manual Chapter 4 Operator Control And Display Panel 41 4 4 1 Configuration Ratings Click this menu and LCD screen will show detailed UPS parameters as shown in Figure 4 13 MM Ratings Ml Ratings Nominal Input Voltage Unit Model 41S5A800UHA Nominal Bypass Voltage Unit Serial Nominal Output Voltage Battery Cabinet Model Nominal Source Frequency Battery Cabinet Serial Nominal Output Frequency E Order Humber 1 Nominal Cell Count Order Number 2 o Output KVA Service Telephone Number 1 800 543 2378 tts Output Ki Site ID Number Configuration Type sns 44 Tag Number Rectifier Type 12r F Input Isolation Transformer No More gt gt Close Figure 4 13 Nominal parameter diagram System setting Click the menu and the following interface will pop up on LCD screen as shown in Figure 4 14 Through this interface users can change the system settings MM System Settings Backlight Brightness Hi de H 3 v 8 13 2009 Password aK o 1 5d 13 M Module Locator Audio Level Location ID Phase Labeling System Number Oooo Module Locator Module Label Save Cancel Save Cancel Figure 4 14 Dialog box of system setting Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA_ User Manual 42 Chapter 4 Operator Control And Display Panel e Backlight brightness high or low low by default e Time 24 hours the hours minutes and seconds ar
96. entry Step 1 Remove this cover board and lead the cables into the UPS Step 2 Remove this cover board to reveal Hole 1 Hole 1 Hole 2 EIB board Step 3 Lead the cables through Hole 1 and Hole 2 and connect them to e the ICI boards and PRBs refer to their user manuals for their locations At e the EIB board e the intelligent optional cards refer to Figure 3 16 for the cabling route e the HMI control board and IMC board refer to Figure 3 17 for the cabling route Figure 3 15 Cable entry and routing of signal cables of 600k VA 800kVA UPS top cable entry Lead the cables out through this hole and connect them to the intelligent optional cards Intelligent optional cards Cabling route
97. er 2 There is a transportation restraint on each side of the bottom of Input transformer Firstly remove the two M16 screws below the transportation restraint Make sure of retaining the removed screws Aye Just remove the screw below the transport restraint without any need of removing those above 3 Install the back panel of inverter cabinet to its original position Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 2 2 1 Appendix 1 Guidance For Removing Transport Fixtures 103 Procedures For Removing 600kVA 800kVA UPS Transportation Restraint Procedures For Removing The Fixed Screws Of The Rectifier Cabinet Input Transformer 1 Remove the metal cover at the left bottom of the rectifier backside and the transportation restraint at the bottom of input transformer can be seen as shown in Figure 3 Make sure of retaining the removed screw M16 screw A amplified view Location of A E metal cover Figure 3 Removing the fixed screws of the input transformer 2 There is a transportation restraint on each side of the bottom of Input transformer Firstly remove the two M16 screws at the bottom of transportation restraint on one side as shown in Figure 3 AN Notice Just remove the screw below the transportation restraint without any need of removing those above
98. erating state of UPS through the colors of power supply path green orange gray black and the color and state of the frame constant green blinking white The color of power supply path and the meaning represented by the color and state of each frame is detailed in Table 4 2 Table 4 2 Meaning of the color and status of power supply path and frame Color of power Color and state of Meaning Meaning supply path Frame Green Work in normal Constant green Stable operation I I f f th Orange nput voltage or frequency out oithe Blinking In the startup or power off process normal range Abnormal input voltage or frequency or UPS Power off Black Not sure Gray White Not working The power flow diagram of UPS system in all kinds of operation mode is introduced as follows Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 4 Operator Control And Display Panel 39 4 3 2 Power Flow Diagram In Normal Mode Power flow diagram in normal mode is as shown in Figure 4 8 In the normal mode if the inverter failed or its overload time is up the system will transfer to bypass supply if failure can be recovered or overload removed the system will automatically transfer back to the inverter supply BATTERY 1 OF 1 Woltage 538 Y D Temp 26 C y Legend Charge 92 e Inlet Air Temp 26 C Figure 4 8 Power flow diagram of the normal mode 4 3 3 Power Flow Diagram In Bypa
99. erface board or inside the fuse box the same model as the original should be used to avoid the misleading by parameter silk screen printing on the fuse box In the system AC fuse and DC fuse are not interchangeable 9 3 The Maintenance Of UPS And Options UPS and the options need common maintenance 1 Keep good history record Keeping good history record facilitates failure treatment 2 Keep clean so as to prevent UPS from the invasion of dust and moisture 3 Maintain appropriate ambient temperature The most appropriate temperature for battery is 20 C to 25 C Too low temperature will reduce the battery capacity and too high temperature will reduce the battery life 4 Check the wiring Check the tightening of all connected screws and there should be routine tightening at least once a year 5 Check regularly if there is any abnormity in the superior or subordinate switch to ensure cutting off the import or export when the current is too large Maintenance staff should be familiar with the typical ambient conditions where UPS is working in order to rapidly position which ambient conditions are unusual the setting of UPS operation control panel should be known as well For UPS Battery Maintenance refer to 6 11 Battery Maintenance Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 10 Specifications 97 Chapter 10 Specifications This chapter provides specifications for UPS products 10 1 Con
100. es EOD voltage float charging voltage under the 380V 400V 415V voltage system are consistent as shown in Table 6 2 Table 6 2 Number of batteries Parameter 380V 400V 415V Number of cells standard 228 246 PCS 240PCS is recommanded End of discharge voltage 1 60Vdc Cell 1 88Vdc Cell 1 62V cell recommended that is the EOD voltage is 389V Float charging voltage 2 15Vdc Cell 2 3Vdc Cell 2 25V cell recommended that is the float charging voltage is 540V 6 6 Battery Protection An Battery circuit breaker of Emerson is recommended otherwise danger may be caused The battery is connected to the UPS through the battery circuit breaker The battery circuit breaker can be manually closed and has the electronic tripping device controlled by the UPS control circuit If the battery adopts rack mounting or is far away from the UPS cabinet the battery circuit breaker shall be installed as close to the battery as possible and the wiring distance of the power and control cables connected to the UPS shall be minimized The battery circuit breaker has the following features e Isolated with the battery safe and reliable e Short circuit protection O In case the inverter is locked because of battery under voltage the circuit breaker will be disconnected automatically to avoid battery over discharge O f remote EPO button is installed the EPO button can be used to disconnect the circuit breaker e Mis operation pr
101. eters by This equipment is installed with EMC filter professionals A Aon The ground leakage current is 3 5mA 3000mA When selecting the RCCB or other RCD the transient state and steady state ground leakage current upon equipment startup shall be taken into consideration RCCB which is sensitive to unidirectional DC pulse class A and insensitive to transient state current pulse must be selected Pay attention that the load to ground leakage current will also pass the RCCB or RCD A Arn This system provides control signal to be used together with the external automatic circuit breaker so as to prevent the inverter voltage from feeding back to the input side through bypass static switch If this protection function is not used together with the switch equipment for isolating the bypass circuit the switch equipment must be labeled to alert the maintenance personnel that this circuit is connected with the UPS system The text of the label has or is equivalent to the following meaning risk of voltage backfeed Before working on this circuit please isolate the UPS and check all terminals including the protective earth for hazardous voltage A Avo When this product is used for the commercial and industrial purposes in the environment of category 2 suppression device or additional measures shall be applied to suppress the interference AN DM General safety precautions Like other types of large power equi
102. event will be triggered For the installation and setting information of the ICI board refer to the user manual of the ICI board The PRB can output dry contact signals When a UPS event happens the PRB provides an approach to trigger the external equipment Each PRB has eight channels Each channel has two sets of form C dry contacts rated at either 1A 30Vdc or 250mMA 125Vac For the installation and setting information of the PRB refer to the user manual of the PRB 8 3 2 Communication Through EIB For on site specific needs the UPS may need auxiliary connection to achieve functions like acquiring external equipment status information providing alarm signals to external devices and remote EPO These functions are realized through the following interfaces on the external interface board EIB e Input dry contact interface e Output dry contact interface e EPO input interface For the functions and detailed information of these interfaces refer to 3 3 2 Input Dry Contact Interface 3 3 4 EPO Input Interface Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 9 1 9 2 9 2 1 9 2 2 9 2 3 9 2 4 Chapter 9 Maintenance 95 Chapter 9 Maintenance UPS system including battery needs regular maintenance in the long term operation This chapter mainly elaborates the advice on service life regular inspection and maintenance of UPS key components as well as the maintenance of UPS and the optional parts
103. f the output bypass cables depending on the failure level cable length and protection type 3 For the cables with large current parallel connection of small cables can be adopted to facilitate the installation 4 When selecting the battery cable size the current value in table 3 1 shall be referred to and a maximum voltage drop of 3Vdc is allowed Battery Connecting Terminal The main input bypass input output and battery power cables are connected to the copper busbar beside the power supply switch as shown in Figure 3 2 For details about the connection between external interface board EIB and battery interface board BIB and the connection of dry contact refer to the sections from 3 3 2 Input Dry Contact Interface to 3 3 4 EPO Input Interface and 3 3 5 Battery Circuit Breaker Interface Protection Ground There is a grounding busbar near the input and output busbar as shown in Figure 3 2 The protection grounding wires shall be connected to the grounding busbar and the cabinets of the system The three cabinets shall be connected reliably through parallel bolts All the cabinets and cable troughs shall be grounded according to the local regulations The grounding wires shall be tied up reliably to prevent the loosening of the grounding wire tightening screws when the grounding wires are pulled A Avo Failure to ground as required can cause electric shock or fire Protection Device To ensure the safety it
104. failure will occur when the EPO off command is detected the system is shut down upon EP hutdown teats cas emergency and the EPO button is pressed manually This failure is unrecoverable This failure will occur when the remote EPO off command is detected the system is shut REPO Shutdown down upon emergency and the REPO button is pressed manually This failure is unrecoverable Batt Sense X Fail The data detected by the battery temperature sensor X is out of the normal range For instance the detected temperature is too high too low or the difference is too large within 1 second Note X represents the battery temperature sensor number 1 8 Batt Sensor Fail At least one of the eight groups of battery temperature sensors detected incorrect data Batt Temp Imbalance The battery temperature difference detected by the battery temperature sensor exceeds 5 C Batt Test Failed Automatic or manual battery detection failed The battery detection lasting time is adjustable The battery detection failure judgment criteria are triggered before the end of the battery detection lasting time Batt Test Passed The battery passed the detection Inverter Backfeed When the system detects backfeed of inverter power and the backfeed power exceeds certain value and this situation lasts for a certain period of time in the inverter mode this alarm will be triggered The bypass SCR short circuit will also trigger this a
105. following dialog box pops up on LCD Press OK to Issue Transfer Command When the bypass is synchronized with the inverter press OK then UPS transfers bypass supply mode to inverter supply mode At the moment the frame of bypass static switch darkens while the frame of output static switch becomes green constantly which means the UPS is in normal mode Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 5 UPS Operation Introduction 61 9 Close the cabinet door and check whether there is abnormal alarms in the current window Confirm the power flow diagram displayed on the LCD is the same as Figure 5 4 If there is any alarm message handle the fault according to Table 4 3 BATTERY 1 OF 1 Voltage 538 Y Temp 26 C Charge 92 Legend Inlet Air Temp 26 C Figure 5 4 Power flow diagram in normal mode UPS operated in normal mode 5 3 Operating Procedures Of Testing The Battery 5 4 To do the battery test UPS will transfer to joint power supply mode In this mode the battery supplies 15 power to the load while the insufficiency may be supplemented by AC input mains Preconditions for battery test The operator can do the battery test only when the following two conditions are met e The total load must be 15 greater than the rated capacity of the UPS e The battery capacity must be higher than 95 The battery test is operated through the LCD menu in the operation control pan
106. formance And Standards Table 10 1 Conformance and standards Project Year Standard Safety standards 2008 IEC60950 1 IEC62040 1 EMCEMC 2005 IEC EN62040 2 Design and test methods 1999 31EC62040 3 10 2 Ambient Conditions Table 10 2 Ambient conditions Project Unit 500kVA 600kVA 800kVA Operating temperature C 0 40 0 40 0 35 Output power factor 0 9 Relative humidity In 20 C 5 95 no condensation Altitude mm lt 1500m if over 1500m derating in accordance with GB T3859 2 1993 provisions Siolagelariseort C 25 70 C without battery temperature 10 3 Physical Characteristics Table 10 3 Physical characteristics Project Unit 500kVA 600kVA and BODKVA Rectifier cabinet Inverter cabinet Rectifier cabinet Inverter cabinet Switch cabinet Height mm 1950 Width mm 1250 1585 1585 1570 800 Depth mm 1000 1090 Weight kg 1750 1940 2736 2882 454 Ventilation The use of internal fans Gable access The bottom or top of the machine mode Note The volume height width depth and the weight all exclude packaging materials Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 98 Chapter 10 Specifications 10 4 UPS Electric Characteristics Rectifier Table 10 4 Electric characteristics input rectifier Project Unit 500kVA 600kVA 800kVA Rated input voltage Vac 380 400 415 Line
107. gh too low or the difference is too large within 1 second Main Control Fault The main controller fails DSP Comm Failure The communication failure between control DSP and system DSP Control DSP Failure The control DSP has failure Battery Protect After the BLVD the system takes measures to prevent the over discharge of the battery BPSS Brd Comm Fail The bypass statis switch system has failure Batt Log Cleared The battery discharge event record has been cleared Batt Cycle Log Full The battery cycle record is full Batt Ovtemp Limit The temperature detected by the battery temperature sensor exceeds the set value Password Changed The user s password is changed CB3 Open Status of the bypass circuit breaker CB3 disconnect SW1 Open Status of the bypass switch SW1 open CB1 Open Status of rectifier input circuit breaker CB1 disconnect CB2 Open Status of output circuit breaker CB2 disconnect MBB Open Status of the maintenance bypass circuit breaker MBB disconnect MIB Open Status of the maintenance isolating circuit breaker MIB disconnect MBDX BISX Comm Fail MBDX BISX communication failure Note X represents the number of MBD or BIS 1 5 BISX Comm Fail BIS communication failure Note X represents the BIS number 6 8 EIB Comm Fail EIB timed communication failure Byp Disconnect Q2 Open Status of the bypass input switch Q2 disconnect
108. h point Therefore 8 M10x30 8 plain washer M10 and 8 spring washer M10 are needed for the connection between the cabinets The recommended bolt tightening torque for M10 is 35Nm A ie winks Ha B R DE Poll SH aea E BS i 4 Semne x E E 4 sHs He Hel i Weer A fy ff L EE I Rectifier cabinet B Inverter cabinet iz O ES EQ B Bolt M10 x 30 2 pcs gt o Flat washer M10 2 pcs 2l a Spring washer M10 2 pcs a o Rall 7
109. he main and bypass share the same power a differential switch is required to install for all the input power on condition that it is used in the UPS input if not then the differential switch is also needed to install for all the bypass input Cabinet Installation Place side by side each UPS module as shown in Figure 7 1 Follow the electric installation instructions in Chapter Ill for wiring gt x x Input distribution y X A Supplied by others i A A A E A ET A A i i P y i be Input mains supply Bypass mains supply4 f 3 z V3 W3 N U1 V1 W1 U3 V3 W3 N3 U1 V1 W1 1U3 V3 W3 N3 U1 V1 W1 Lee 3 W3 N3 wit g __ Ste module VW Nhl a Intermodule ES i control bus lt l controjbus i D 1 a 4 H 1 Y 1 r 3 i Pe 1 1 I 1 B3 1 i T 1 1 gt 1 pe 1 1 CB i j i i ee 7 188 i j Jl pra 1 C Loa 1 D I n 1 vq es vi i Q gt 212 AN i 1 If TB 0821 a 1 TB 0821 Q3 O gt O lt Th wee O4 vol Vas Y 3 tal i pes Tbo815 M0B MBE Tb0815 MOB 081 5 MOB i i KK U2 V2 W2 N2 MOB FE UPS2 output L gt MOB U2 V2 W2 N2 UPS output Figure 7 1 1 Nsystem schematic diagram of disconnected battery configuration To facilitate the maintenance and system testing external maintenance bypass ca
110. he menu CONFIG gt User Settings gt System Settings and the System Settings interface shown in Figure 8 4 will appear MB System Settings PR M Toggle Keyboard Communication Address Backlight Brightness 3 31 2010 Password Language English Audio Level Phase Labeling Module Locator Comm Address Figure 8 4 System Settings and Communication Address interfaces 2 Press the Comm Address button to enter the communication address setting interface as shown in Figure 8 4 3 Press the Up or Down button to select the communication address press the OK button to return to the System Settings interface and press the Save button The setting range of the host communication address is from 1 to 254 and the default baud rate 9600bps 8 3 Dry Contact Communication The UPS provides the following two dry contact communication approaches e Input contact isolator ICI board and programmable relay board PRB e Dry contact interface on external interface board EIB of UPS Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA_ User Manual 94 Chapter 8 Communication 8 3 1 Communication Through ICI Board And PRB Emerson Network Power Co Ltd provides ICI boards and PRBs for the user to use dry contact signals to monitor the UPS The ICI board provides an 8 channel terminal block to input up to eight external events to the UPS The eight relays are all common dry contact relays When a relay closes an
111. he rectifier to shut down If the conditions permit switch to the bypass Inv B IGBT Fault The system detects IGBT phase B failure The IGBT phase B short circuit is also a cause of this alarm It will cause the rectifier to shut down If the conditions permit switch to the bypass Inv C IGBT Fault The system detects IGBT phase C failure The IGBT phase C short circuit is also a cause of this alarm It will cause the rectifier to shut down If the conditions permit switch to the bypass Output Fault The output has failure including output over frequency under frequency output over voltage under voltage Output OF UF The output frequency exceeds the allowable rated frequency range Output OV If the output voltage exceeds the upper limit and this situation lasts for a certain period of time the time length depends on the over voltage amplitude this failure will be reported The inverter SCR disconnection or bypass SCR short circuit fault could trigger this alarm This failure will cause the inverter to shut down If it is permitted switch to the bypass Output UV If the output voltage is less than the lower limit and this situation lasts for a certain period of time the time length depends on the under voltage amplitude this failure will be reported The inverter SCR disconnection or bypass SCR short circuit fault could trigger this alarm This failure will cause the inverter to shut down If it is permitted
112. ication If you need to monitor the UPS through network you may select the SIC card provided by Emerson Network Power Co Ltd This card supports SNMP protocol The SIC card is a network management card It can make the UPS made by Emerson Network Power Co Ltd real network equipment lt can also be connected to the IRM series sensor to provide environment monitoring function When the intelligent equipment generates an alarm the SIC card can notify the user by recording the log sending trap information and sending a mail The SIC card provides three approaches for you to monitor your intelligent equipment and equipment room environment e Web browser You can use Web browser to monitor your intelligent equipment and equipment room environment through the Web server function provided by the SIC card e Network management system NMS You can use NMS to monitor your intelligent equipment and equipment room environment through the SNMP function provided by the SIC card e SiteMonitor a network management software for equipment room power and environment You can use SiteMonitor to monitor your intelligent equipment and equipment room environment through the TCP IP interface provided by the SIC card The SIC card can also work with the Network Shutdown computer safe shutdown program developed by Emerson Network Power Co Ltd to provide automatic safe shutdown function for your computer installed with Network Shutdown so as to prevent data
113. iedi cnc nana i eio inti daaa ite at iaat 12 3 16 Protect on Ground iria 12 3 1 6 Protecti n Devic ricino 12 3 1 7 Power Cable Connection Steps cecccecceeseecsseeeseeeseaeeesaeeceaeeesaeeceaeeseaeeceaeesaeeseaeeesaeeseaeeesaeeseeeeeaeeteas 13 3 2 Distance Between The UPS Connection Point And The FIOOD cccceeseeeeeeeeeeeeseneeeeaeeseaeeeeaeeteeeeeaeeseneeeeeeesas 15 3 3 Wiring Of Control Cable suenan li ha av ee ae va ete 15 BGA OVERVIEW ricci E E eeee se Ease SON 15 3 3 2 Input Dry Contact Interface n hice acia anabel ida a 16 3 3 3 Output Dry Contactilnterface ion e did 18 3 3 4 EPO Input Interact cl 19 3 3 5 Battery Circuit Breaker InterfaCe oooconicinnicinnccnnnonnocononncnnononcnnncnn no non ronca once rear cana 20 3 3 0 Interface TB Odo iii a ed 21 3 3 7 Gable Entry And ROUTING cirio ria 21 3 4 Electrical Connection Between The Cabinets oooconccccncccnonccconccnonncnonccnoncnnnn nc non ccnnn cnn rca nn cc ron cana n nc narran nc cnn nannncnnnns 27 3 41 Power Gonnection ui ad 27 3 4 2 Signal COMEN iii ee coa EA 31 Chapter 4 Operator Control And Display Panel ccceecccecsceeeeeeeeeeeeeeeeseeeeeeeeseaeeeseeeseeeeeaeeseaeesaeeseaeeeeeeseaeesneeeseaeeenaeen 34 4 1 INTOdUCION tr ti pi tele cd id bi 34 4 2 Types Of LCD crei a A ee 35 42A Startup Ni A ee 35 4 22 Maii Display Screen 36 4 3 PowerFlow Diagram iio A AA y 38 AMOO ici is leis ti 38 4 3 2 Power Flow Diagram In Normal Mode oooooccccn
114. ient temperature shall not exceed the range of 15 C 45 C and the optimal temperature is 20 C 25 C To compensate for the self discharge of the battery during the storage The battery shall be charged every 3 months during the storage The specific time may differ for different batteries For details refer to the requirement of the battery manufacturer It is very important to fully charge the battery before carrying out onsite test on the battery backup time The test may take several days Therefore it should be conducted after the battery has been subject to uninterrupted float charging for at least one week When the battery has been running for several weeks or subject to two to three charge and discharge cycles the battery performance will be increased To avoid the battery over charge or under charge please set the battery management parameters according to the equalizing float charge voltage and temperature compensation factor specified in the manuals provided by the battery manufacturer Please charge the battery immediately after discharge Precautions For Installation Design Precautions for installation use and maintenance of the battery are described iin the relevant battery manual provided by the battery manufacturer The safety precautions described in this section include the important matters that must be considered during the installation design The design results may be changed according to the local situations B
115. ilter on normally open TB0835 2 EIB_ACTFILT_COM Power supply grounding TB0835 3 EIB_ACTFILT_ON Active filter off normally closed TB0823 1 EIB_EPO_IS_NOT_ACTIVE EPO not active normally closed TB0823 2 EIB_EPO_STATUS_COM Power supply grounding TB0823 3 EIB_EPO_IS_ACTIVE EPO active normally open All the auxiliary cables must adopt the dual insulating twisted cable and the sectional area shall be 0 5mm to 1 5mm To prevent error action the aforesaid auxiliary contact signals are valid only when the normally open and normally closed contacts act simultaneously 3 3 4 EPO Input Interface The UPS provides emergency power off EPO function This function is realized by pressing the EPO button on the UPS rectifier cabinet front door or the remote contact provided by the user The UPS provides three kinds of EPO i e REPO remote EPO REPO FORM C remote EPO and LEPO local EPO REPO and REPO FORM C have different interfaces but they realize the same result LEPO is the EPO button on the UPS rectifier cabinet front door The input interfaces of the two kinds of remote EPO are shown in Figure 3 7 The REPO input interfaces NC and NO are compatible while the REPO FORM C input interfaces NC and NO are mutually exclusive The local EPO input interface is shown in Figure 3 8 The interface description of the three kinds of EPO is shown in Table 3 6 TB0825 TB 0824 NC NO NC NO REPO REPO FORM C Figure 3 7 Remote EO
116. input detection W163 02 806705 board P1100B interface Switch Q3 auxiliary contact Switch status detection W164 02 806705 board P1100C interface Switch Q2 auxiliary contact Switch status detection W179 02 806707 board P0702 interface Switch Q4 1 Q4 3 Q4 5 Q4 7 busbars Output voltage detection W180 02 806707 board P0703 interface Switch Q4 2 busbar N phase module voltage detection W188 02 806707 board P1100 interface Q4 auxiliary contact Switch status detectio W201 ULW346SX1 board P1306 interface FB3Fuse FB3 Auxiliary power supply bypass current draw W271 02 806716 board P1601 interface Switch Q4 2 busbar Fan N phase current draw W300 02 806740C board E4 interface Switch Q2 2 busbar 1 N phase voltage detection Note The cables should be connected to these terminals After finising the cabinet parallel connection verify that the cables are properly connected to these terminals A In cabinet parallel connection when routing the signal cables please keep distance between the signal cables and the copper busbars within the cabinets so as to avoid contact between them Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 34 4 1 Chapter 4 Operator Control And Display Panel Chapter 4 Operator Control And Display Panel This chapter details
117. ischarges 15 15 30 Min 30 60 Min 60 240 Min SS 8 Hrs and up o S All Records Log Records Refresh Clear Log Figure 4 26 Battery cycle monitor summary e Clear log the command will reset the date of the first battery discharge The dialog box warns users that these data will be permanently lost and they should be downloaded before the next step 4 4 7 Metering Press the menu the relevant reading of the system will be displayed in the window 4 4 8 Help Press the menu and the help information of the system will be displayed in the window 4 4 9 Reset Press the menu to clear all the locked but already disappeared event logs from the current event window 4 4 10 Silence Press the menu to silence the alarm sound 4 5 EPO Button There is an emergency shutdown EPO button in the front door of UPS rectifier cabinet which is located in the right bottom of the operator control and display panel as shown in Figure 4 1 Figure 4 2 The button is exactly the LEPO as stated in 3 3 4 the emergency shutdown input interface In order to prevent accidental operation the outside of EPO button is covered by a security mask When pressing EPO button all the static switches will be blocked load power off rectifier and inverter will be shut down and the battery circuit breaker will trip In the normal state because UPS adopts manual input circuit breaker EPO can not disconnect the input power of UPS Manually disconnecting Liebert N
118. larm Redundant Fan Fail This alarm indicates that a fan has failed FIB 1 Comm Fail Fan interface board 1 FIB1 communication failure FIB 2 Comm Fail Fan interface board 2 FIB2 communication failure FIB 3 Comm Fail Fan interface board 3 FIB3 communication failure FIB 4 Comm Fail Fan interface board 4 FIB4 communication failure Config Modified The user changes and saves one or several configurations in the configuration menu User Shutdown The user shuts down the inverter or the system DC Fuse Fail The inverter DC input fuse is open Input P S Fail The auxiliary power supply sourced from input source link has failed but the UPS still operates normally Bypass P S Fail The auxiliary power supply sourced from bypass source link has failed but the UPS still operates normally DC P S Fail The auxiliary power supply sourced from the DC link has failed but the UPS still operates normally Option P S Fail The option auxiliary power supply fails but the UPS still operates normally Output P S Fail The output auxiliary power fails but the UPS still operates normally EPO P S Fail The EPO auxiliary power supply fails but the UPS still operates normally Power Supply Fail The auxiliary power supply fails BFB Trip Signaled The backfeed protection circuit breaker receives the tripping signal E The feedback protection circuit breaker does not disconnec
119. lt may be miss reported The temperature of the bypass static switch heatsink exceeds the steady state temperature BPSS Ovtemp i The UPS only generates alarm but has no other actions The temperature of the bypass static switch heatsink exceeds the highest temperature limit BPSS Ovtemp Limit P yp g p Set the bypass close enable disable through the back ground software Remote Off Byp Turn off the bypass static switch according to the external signal This state indicates that the external signal which triggers the static bypass to close is activated The signal is received by the programmable relay board PRB and one of the channels is defined as BPSS remote shut down Vdc Sense Fail The system detects the test fault of DC bus voltage The alarm is triggered when the bus voltages detected fore and after have a great discrepancy Controls Reset Req The alarm indicates that one or several setting values are changed during the working process of UPS Reset the system through power down or press the reset key on UPSC board BPSS SCR Shorted The fault is reported under the following situations when the inverter is turned off the output switch is disconnected and the fuse is normal however the detected voltage on the inverter side of the inverter static switch is still greater than the rated voltage at a certain percentage Sss Overtemp Warn The temperature of ISS heatsink exceeds the steady state temperature The
120. more than 2 parallel UPS modules do not use the internal maintenance bypass switch Caution If the input distribution does not have automatic circuit breaker the output bus and the input bus of the UPS module that has shut down may have dangerous high voltage UPS Power Supply Switch Configuration Figure 1 2 describes the block diagram of the UPS Single Module that has split bypass power supply that is the bypass adopts independent mains input In the split bypass the static bypass and maintenance bypass share the same independent bypass power supply During the normal operation of the UPS except for the maintenance bypass switch Q3 all the other switches shall be closed Battery Circuit Breaker The battery shall connect to the DC bus through the battery circuit breaker The battery circuit breaker is a standard option which shall be installed near the battery The battery circuit breaker is closed manually or electrically The battery circuit breaker has undervoltage tripping coil Upon the DC bus undervoltage the UPS control circuit will send a signal to the coil to trip the battery circuit breaker Battery Temperature Compensation The UPS system has battery charge temperature compensation function When the ambient temperature is increased the DC bus voltage which charges the battery will be reduced correspondingly so as to provide optimal charging voltage to the battery The function must be used together with the
121. n Blinking once every second The communication between the Modbus card and UPS is normal Blinking once every five seconds The communication between the Modbus card and UPS is interrupted Connect to computer by means of the USB cable delivered with the Modbus card Used for USB interface parameter configuration COM1 interface Connect to host computer supporting Modbus RTU protocol COM2 interface The Modbus card provides the COM1 and COM2 interfaces for the user These two interfaces are RJ45 interfaces They have the same function and both support RS485 communication The pins of the COM1 and CON2 interfaces are defined in Table 8 2 RUN indicator yellow Table 8 2 Pin definition of COM1 and COM2 interfaces A AAA ee ee ee ee rapa NON S Not connected R455 DE For the installation and basic setting of the Modbus card refer to the user manual of the card Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 92 Chapter8 Communication 8 2 2 Communication Through HMI Control Board Direct Modbus protocol communication can be realized between the UPS and host through the J14 interface see Figure 8 2 on the HMI control board to achieve transmission of data and status information USB Host Port G Ethernet O J448 P131A Compact Flash J451 TS Connector Card slot 8 wire 20 P1304 PI 30 B 14pin
122. n be set the default setting is 5 Manual transfer bypass voltage limits The upper limit of Manual transfer bypass voltage limits 1 to 15 the default setting is 10 The lower limit of Manual transfer bypass voltage limits 1 to 20 the default setting is 10 e Inlet air temperature alarm Manual transfer bypass voltage 30 C to 40 C the default setting is 35 C Note the temperature will display in two unit system of C and F Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 4 Operator Control And Display Panel 43 Battery management Battery related settings can be modified through this menu The dialog box of battery management is as shown in Figure 4 16 MM Battery Equalize Equalize Voltage 2 30 VpC 552 Y MM Battery Temperature Equalize Time hours 1 Battery Temp Warning 40 C 104 0 F Cell Count Adjustment 0 Battery Temp Limit 50 C 122 0 F Actual Cell Count 240 W Battery Test Disconnect Auto Test En Dis Test Cycle weeks 13 Time of Day hh mm o0 00 Start Date mmm dd J 1 1970 s E f AN tht ea Mi Low Battery Warning Time ae MM Float Voltage Test Duration minutes 0 5 Low Battery Warning Time minutes 5 Float Voltage 2 25 VpC 540 Y Minimum Battery Voltage 1 75 VpC 420 Y Save Cancel Figure 4 16 Dialog box of battery management e Battery equalize settings Equalizing charge each battery voltage 2 3V to 2 45V the default setti
123. nally To completely power off the UPS disconnect the upstream input switch when the EPO is triggered 3 3 5 Battery Circuit Breaker Interface The EXT BATT CAN TB1154A is a battery circuit breaker interface The battery circuit breaker BCB is controlled by BIB BCB and BIB are located inside the BCB box cabinet The BIB controls the tripping coil of the BCB The UPS control circuit sends signal to the coil and provide channel for the BCB auxiliary contact to send BCB status signal to the UPS control logic The BIB and UPS are connected through the EXT BATT CAN TB1154A interface on the EIB of the UPS rectifier cabinet The pin layout of interface TB1154A is as shown in Figure 3 9 The pin description of interface TB1154A is shown in Table 3 7 BATT 24V GND BATT CANH BATT CANL Figure 3 9 Pin layout of interface TB1154A Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 3 Electrical Installation 21 3 3 6 Table 3 7 Definition of interface TB1154A Pin Label Meaning 1 BATT 24V Power supply positive pole 2 GND Power supply grounding 3 BATT CANH CAN signal 4 BATT CANL CAN signal The battery circuit breaker control cables are connected to between EIB and BIB and such cables shall be shielded cables The battery temperature sensor is connected to P1153 of BIB For detailed connection refer to the user manual of the battery temperature sensor No
124. ncnnnncnnnc conc conc cronica cnn rca 92 8 3 Dry Contact Gommunication ci3 cneiaan nates mee imran auth be edt inline en inet 93 8 3 1 Communication Through ICI Board And PRB eeccceeseeeeeeeeeneeeeeeseaeeeeeeeseaeeseaeeseaeeseaeeseaeeseaeeseeeeeaeeteas 94 8 3 2 Communication Through EIB ceecececeeeeeeeeeeeeeneeeeeeeceaeeeeeeceaeeseaeeseaeeeeaeeseaeeseaeeseaeeseaeeseaeeseeeseneeseaeenas 94 Chapter 9 Maintenance iinu as dln dee e oe ee ee ae eid 95 A A N ea 95 9 2 Key Components And Service Life Of UPS ooooncocinccciccccconaconcnononcnnancnnoncnnnn cc non cnnnn nn rn rn nnn cnn nn a nn nn nn nara n e cnn nanncnnnns 95 9 2 1 Magnetic Components Transformers INGUCtO S ecceeeeeeeeneeeeeeeteaeeeeeeeteaeeseaeeseaeeseaeeseaeeseaeeseaeeseaeeteas 95 9 2 2 Power Semiconductor Devices ceccceesceeeseeeeeeeeeseeeceaeeeaeeceaeeeaeeseaeeeaeesaeesaeeseaeeseaeeseaeeseaeeseaeeeeaeetias 95 9 23 Electrolytic GdpacitO iria ee AA adorn eee We ae a tee 95 E E NC TOY e110 A O OO 95 A che ca es asad Eo A st Dc sek te oh E SSS ee he ie ed Sa Sia fs atl 96 9 2 6 Life Parameters And The Proposed Replacement Time Of Key Components ecceeeeeeeeeeeeteeeeaes 96 9 2 7 The Replacement Of FUSB cooccccoccciocccconccoonnnconnnonnnnnnno conc cnn one n rca nena nena nar rre ren n rana rene r ranma 96 9 3 The Maintenance Of UPS And Options cocooccccocccnoccnoncnononcnnnncononcnnnn conan cn nn cnn nc nan iaie nnn cnn aran rra n r
125. nder normal environmental conditions the air filter should be cleaned or replaced every two months and need more frequent cleaning and replacement in dusty or other bad environment Frequent inspection or replacement should also be made in newly built construction The air filter is located on the front door of the cabinet and can be replaced during UPS operation 9 2 6 Life Parameters And The Proposed Replacement Time Of Key Components Key components in Table 9 1 are used in the UPS system In order to prevent system failures due to some of the devices failure by wear it is proposed to carry out regular inspection and replacement during its estimated life Table 9 1 Life parameters and the proposed replacement time of key components Key components Estimated life Proposed replacement time Proposed inspection circle a Not less than 7 years about AC Capacitor Five years to six years Six months P 62 000 hours e 4 Electrolytic capacitor MOL pes than 7 Yeats avout Five years to six years One year yi cap 62 000 hours x i Not less than 7 years about Fan Five years to six years One year 62 000 hours E y Y Air filter One year to three years One year to two years Two months VRLA battery 5 year life Five years Three year to four years Six months VRLA battery 10 year life 10 years Six years to eight years Six months 9 2 7 The Replacement Of Fuse When replacing the fuse on high voltage int
126. ng is 2 3V Equalizing charge time hour 0 to 200 hours the default setting is 1 Ave Setting menu of battery equalize has to be set to enable so as to be displayed otherwise the menu will not display and this function is not available If the system is currently in the equalizing charge state then after setting equalizing charge time it will function when starting battery equalizeing next time O Battery Test Automatic test enable forbidden the default setting is forbidden Test cycle weeks 1 26 weeks the default setting is 13 Time of day set the hours and minutes used to set the starting time of battery automatic test Start Date month date year set the month day year for setting the start time of the battery automatic test Test duration minutes 0 5 minutes to 30 of the total working time the default setting is 0 5 minutes Minimum battery voltage only for lead acid batteries 1 75VPC VoltagePerCell to 1 95VPC the default setting is 1 75VPC stopping when reaching the minimum voltage test e Battery temperature Battery temperature alarm 30 C to 50 C the default setting is 35 C The upper limit of battery temperature 35 C to 60 C the default setting is 40 C Tripper connection enable forbidden the default setting is forbidden Aw When the Tripper connection of battery is set to enable and meet the conditions confined by the battery temperature the battery circuit b
127. nput Transformer 1 Take off the back panel of the rectifier cabinet and the transportation restraint at the bottom of input transformer can be seen as shown in Figure 1 Transportation restraint M16 screw A amplified view Figure 1 Removing the fixed screws of input transformer 2 There is a transport restraint on each side of the bottom of input transformer Firstly remove the two M16 screws below the transportation restraint 3 Make sure of retaining the removed screw Dwr Just remove the screw below the transport restraint without any need of removing those above 4 Install the back panel of rectifier cabinet to its original position Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 102 Appendix 1 Guidance For Removing Transport Fixtures 1 2 Procedures For Removing The Fixed Screws Of The Output Transformer In Inverter Cabinet 1 Take off the back panel of the inverter cabinet and the transportation restraint at the bottom of output transformer can be seen as shown in Figure 2 Transportation restraint MET M16 screw A amplified view Figure 2 Removing the fixed screws of output transform
128. nv Current Limit The inverter current reaches the limit value When the inverter output voltage transient value exceeds 125 of the rated voltage and this situation lasts for 1 second this failure will be triggered The bypass SCR short circuit is also a Oy cause of this failure This failure will cause the inverter to shut down If it is permitted switch to the bypass When the inverter output voltage transient value is less than 75 of the rated voltage under the situation that has no inverter current limiting no soft start in the inverter mode and this Inv UV situation lasts for 1 second this failure will be triggered The bypass SCR short circuit is also a cause for triggering this alarm This failure will cause the inverter to shut down If it is permitted switch to the bypass Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 4 Operator Control And Display Panel 53 Message of prompt window Explanation Inv Overload Ph A The inverter has phase A overload during the operation That is the current RMS value of phase A exeeds 105 of the rated current RMS value or the output power of phase A exceeds 105 of the rated output power When this alarm occurs a count down timer will be displayed on the power flowchart to indicate the remaining time for switching to the bypass The length of the remaining time is in reverse proportion to the overload severity Inv Overload
129. nvironment And Number Of Batteries oooooocncccnnncciccccnonccnncncnnnnnnncncnoncn nn cnn nc cnn rca rca 69 6 5 1 Installation Environment usina a A ee 69 6 5 2 NomberOf Batteries coria ala eh Pott iti cit nein ied eile does 70 6 6 Battery Protect Onasch E A oe AA A J a 70 6 1 Battery Connectlontnci e intact nie ee ea eee eee ieee Meese ee eee 71 67A Battery ASsemb O O 71 6 7 2 Battery Winn ise sistant tenis ise edn a as ee ee See 71 6 8 Battery Installation ears nv eee he elec i ee eed 71 6 9 BCB Box Cabinet Option ivonne ee ed ee died 72 6 10 Battery Temperature Sensor Option ceeceeeeeeseeeeeeeeeeeeeeeeeeeaeeseaeeeeaeeseaeeeeaeeseaeeesaeeseaeeeeaeeseaeeeeaeeeeieeeeaeeteas 72 6 11 Battery Maintenance a A a elec leeihid sesducenee pads id shin beg ado aadeageaetvanbediasuags aghast aaae a a Eea ae Seni 72 6 12 Battery Recycling s 4 tng aiilenenl A ev LN ed 72 Chapter 7 1 N Parallel System Installation c cccccsscccesesneceeeeeneeeseneeeeeseneeeseseeeceseeeeesseaeeesecaeeseseneeeesseeeeesenseeeesenseeesnees 74 A MCCONMGUIATION TE 74 Zat LOVEE Wiru a Res Aside ae ee ei ese pee eee del 74 71 2 External Protecti n Devices sii nua aera ait his neu adie ett eee etree 75 FAB CabinetslMstall ation secs scte k aa a aulnd stadaeies datcabaced isa a a a a aaa a E o a iai 75 7 1 4 Power Cables do ch ede 75 7 1 5 Inter Module Communications IMC Board ooooccnnccinocococccnoncnnonccnnnncnonccnnn ca nan coronan nr rr
130. oad power making load completely power off 1 Select the shutdown menu on the screen select This Module and then the follow up steps refer to 5 6 Shutdown Procedures Shut Down UPS And The Load Completely select All Modules and the screen is shown in Figure 7 15 System Yiew BYPASS u v w L L 375 381 364V Freq 49 98Hz BATTERY 1 OF 1 Voltage 546 Y r Temp 32 C um Legend ch 28 BCB arge Inlet Air Temp 20 C sa HIBS SS All Modules Shutdown Internal Comm Fail Al 14 N UPS 14 N system CONFIG STATUS REPORTS STARTUP SHUTDOWN TRANSFER BATT MGT METERING Figure 7 15 Shutdown menu of parallel system Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 7 1 N Parallel System Installation 85 2 Select 1 N UPS and then it indicates the system will transfer to the bypass as shown in Figure 7 16 Select OK and the system transfers to the bypass System View BYPASS u v w L L 375 381 363V Freq 49 99Hz BATTERY 1 OF 1 Voltage 545 Y Temp 32 C Legend Ch 28 arge Inlet Air Temp 20 C EESE AUH All Modules Shutdown G Internal Comm Fail i E System Shutdown Pressing Ok transfers all UPS modules to bypass synchronously if available and shuts down all UPS modules Cancel 1 N UPS 1 N System CONFIG STATUS REPORTS STARTUP SHUTDOWN TRANSFER BATT MGT METERING HELP Figure 7 16 Close 1 N UPS confirmation
131. onccccononcnononcccnnnonononnnon cnc nono none non nr rrnnn nr rr rar n rr rr r rre rn r rien 39 4 3 3 Power Flow Diagram In Bypass Mode oooooccccnoncccnnnoncnononononononcncnnnon cnc nan nn nen n ore ran nr rr rn rn rre nn rr ener ren 39 4 3 4 Power Flow Diagram In Battery Mode ooooocccononccccnoocccononcccnononcncnnnon cnc nono cnn cnn cnn ran nr rn rn nr rn nr rre rnnnr rin 39 4 3 5 Power Flow Diagram In Maintenance Bypass Mode coooocccconoccccnononcnononcconononcnonnnnn cnn nono nn nan nr rr rn rcnnnnn nn 40 4 4 DetallSd Monica a in 40 4 4 1 Configuration Ad ee 41 474 2 Status Report a a ie ee da laos 46 O tithes AA AAAA TA ETTET 46 44A ShUdO Wi a A AAA es ee e 46 AAS Transfer A aeiga seeded Siena ved tated eee neve es 47 4 4 6 Battery Management a a eaa aaa aa Eaa ea ea ee aa aE a fa 48 44 7 Meterai a ie a hee a pp 50 E E AEAT 50 4 49 ROO A AAA A ee 50 4 4 10 Silen is o di o codes entered 50 4 5 EPO BA co vase sete vette ts tech elon ci sic AA ATE AAAA TEET 50 4 6 UPS Event Record List niaaa il aid 51 Chapter 5 UPS Operation IntroductiON ooooconccnnncnnnccnnoncnnnnnnnonononnnnnnnn a e eui eeii araia T as 58 RS TO 58 5 1 1 PrecaltONS piscina et eee eee eee ee 58 Sule Power SUP MA Sec eee US SS a ea sand nied deses Sesisndacesdsaasdaatssiacandenessacdssananiagaaseandedataacenaadis 58 5 2 UPS Startup Procedures Enter The Normal Mode scceeceeeeeeeeeeeeeeeeeeeeeeaeeseaeeseaeeseaeeeeaeeseaeeseaeeseeeeeeeteas 59 5 3 O
132. onnection is shown in Figure 7 5 Note e Remote EPO switch should be normally open or closed passive switch e Provided open circuit voltage is 12Vdc and current is less than 10mA e External EPO can provide the second set of contacts which can be used to disconnect user s input mains circuit breaker or bypass circuit breaker with remote tripping device e Normally closed LEPO J0806 1 2 terminals they have already been connected at delivery on the external interface board EIB a Auxiliary wiring inside UPS TE 1 NC LEPO 2 com P0806 J6 1 2 To enable 2 3 To disable LEPO a NXL UPS o Supplied by others Form C contacts toie 3 NC TBO824 REPO o 2 COM Form C 1 NO contacts REPO oe J5 1 2 To enable 2 3 To disable Supplied by others PA 3 COM TB0825 input 14 NC REPO REROANC J4 1 2 To enable 2 3 To disable o Supplied by others _1 COM TB0825 input 2 NO REPO REPO NO Figure 7 5 EPO connection 7 1 8 External Switch As shown in Figure 7 1 1 N parallel system can be configured with three external switches output isolator QEn n stands for the number of the module output isolation switch QOP maintenance bypass isolator QBP The s
133. onse to the disconnection signal History Log Full All the history records are full Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 54 Chapter 4 Operator Control And Display Panel Message of prompt window Explanation History Log 1 Clear As required by the user history record 1 has been cleared History Log 2 Clear As required by the user history record 2 has been cleared History Log 3 Clear As required by the user history record 3 has been cleared Xfer to Byp Failed The system attempts to switch to the bypass automatically for certain event e g inverter failure but the switching failed On Gen Active The system is powered by the generator Rect Off Inp Low One or several phases of input have low voltage and cause the rectifier to shut down Please check the input voltage Input Line Fail The input has failure and causes the rectifier to shut down Please check the input voltage IMC Comm Fail The communication failure between IMC and other modules Event Log Clear The event record is cleared Batt Equalizing Battery status under equalizing charge Batt Self Test The UPS performs battery self detection PRB 1 Comm Fail Output dry contact interface board 1 has failure upon timed communication PRB 42 Comm Fail Output dry contact interface board 2 has failure upon timed communication This
134. ot aaa KEY 000 mv 000 LBS V OLTAGE Comms DO STATUS CNTRL gt TB 0824 a a e Od O00 REPO FORM P0806 LEPO O Figure 3 4 Illustration drawing of EIB interfaces 3 3 2 Input Dry Contact Interface Input dry contact interface includes 1 Input dry contact of auxiliary switch e TB0810 the status detection interface of external rectifier input circuit breaker RIB Q11 e TB0811 the status detection interface of external output switch MIB QOP e TB0812 the status detection interface of external bypass input circuit breaker BIB Q22 e TB0813 the status detection interface of external maintenance bypass circuit breaker QBP e TB0815 the status detection interface of UPS module output circuit breaker MIB QEn 2 Control status input dry contact e Detection interface of active filter status ACT FILT STATUS TB0830 e Detection interface of generator power supply ON GEN TB0816 e Detection interface of MBB lock status KEY STATUS TB0820 e Detection interface of maintenance bypass enabled MAINT BYP ENABLE TB0821 e Detection interface of battery grounding failure BATT GND FLT P0801 The dry contacts are as shown in Figure 3 5 and described in Table 3 4 The UPS receives the external signal from the zero voltage dry contact contact connected to the input dry contact terminal of the terminal produced by Phoenix Company Through software setting the signal is valid when these contacts are short circuited with the 24V or the groun
135. otection To obtain the required backup time the batteries may be connected in parallel In this situation the battery circuit breaker shall be installed in the after stage of all the paralleled batteries Only the properly trained personnel can maintain the battery circuit breaker Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 6 Battery 71 6 7 6 7 1 6 7 2 6 8 Battery Connection Battery Assembly 1 Before installation check the battery appearance to ensure that there is no damage inspect and count the accessories and carefully read this manual and the user manual or installation instruction provided by the battery manufacturer 2 There shall be at least 10mm gap between the batteries in vertical direction to ensure the free circulation of the ambient air of the batteries 3 Certain clearance shall be maintained between the battery top and the upper layer to facilitate the monitoring and maintenance of the battery 4 The batteries shall be installed from the bottom layer and from bottom to top so as to avoid a too high gravity center The battery shall be properly installed and protected from vibration or shock Battery Wiring 1 All the battery cabinets or battery racks must be connected together and properly grounded 2 When multiple batteries are used they shall be connected in series and then in parallel Before loading and power up it must be detected that the to
136. p Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 7 1 N Parallel System Installation 81 Click any of the two options to start bypass power supply as shown in Figure 7 9 BYPASS L L 398 398 399v I 87 o 89 A Freq 50 02H2 BATTERY 1 OF 1 Voltage 498 Y Temp 32 C RESET SILENCE Load on Bypass i Oman Rexfer Inhibit Batt CB1 Open R CONFIG STATUS REPORTS STARTUP DC BUS Voltage ov Current Float Legend Inlet Air Temp 20 C Manual Start Press Ok to issue Rectifier On command skip SHUTDOWN TRANSFER BATT MGT METERING Figure 7 9 Start bypass waiting for rectifier startup 4 Start the rectifier after the bypass starts up the screen will automatically enter into rectifier interface as shown in Figure 7 9 Press OK to start the rectifier as shown in Figure 7 10 BYPASS INPUT u Y L L 398 398 I 95 62 Freq 50 00Hz BATTERY 1 OF 1 Voltage 498 Y Temp 32 C RESET SILENCE 019 gt gt Load on Bypass Oman Rexfer Inhibit Fa O Batt CB1 Open ij Ad CONFIG STATUS REPORTS STARTUP SHUTDOWN TRANSFER System Yiew Legend Inlet Air Temp 20 C Manual Start Press Ok to issue Inverter On command skip BATT MGT METERING Figure 7 10 Start the rectifier waiting to start the inverter Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA_ User Manual 8 2 Chapter 7 1 N Parallel System Installation 5
137. panel Only BCB displays Shutdown The menu can be used to shut down UPS the input trap filters MBD and BCB as shown in Figure 4 20 BYPASS u Y Ww L L 392 398 379V Freq 50 00Hz DC BUS Voltage 541V Current 144 Charging BATTERY 1 OF 1 Voltage 547 Y D Temp 32 C N Legend Charge 42 BCB Inlet Air Temp 20 C SUES Shutdown CONFIG STATUS REPORTS STARTUP SHUTDOWN TRANSFER BATT MGT METERING Figure 4 20 Shutdown interface Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 4 Operator Control And Display Panel 47 e Open Trap open input Trap Filter e Open MBD BCB open MBD or BCB e UPS turn off the rectifier inverter and BCB if bypass switch conditions allow UPS will transfer to bypass Ave When UPS is to be shut down a dialog box will pop up for confirmation as shown in Figure 4 21 UPS will be shut down when pressing OK MM Shut down Pressing Ok will shut off the UPS and transfer the load to Bypass Static Switch if available The UPS output will completely shut off if Bypass Static Switch is not available Load Drop will occur Cancel Figure 4 21 UPS shutdown OK dialogue box e System turn off rectifier inverter bypass and the BCB then the system will be completely shut down VAN The command will make load power off In order to avoid such risk a confirmation dialog box will pop up as shown in Figure 4 22 UPS will be shut down when
138. pe is connected to the metal part of the cabinet connecting these power cables 3 1 Wiring Of Power Cable NTE Before wiring the UPS further confirm the position and status of the UPS main input bypass and mains distribution switches Ensure that these switches are in OFF state and stick alarm label to the switches to prevent others from operating them For cable access mode refer to 2 3 5 Cable Access Mode 3 1 1 System Configuration The cable size of the system power cable shall meet the following requirement UPS input cable The cable size of the UPS input cable differs with the UPS power ratings and input AC voltages provided that it meets the requirement of maximum input current including the maximum battery charge current as shown in Table 3 1 UPS bypass and output cable The cable size of the UPS bypass and output cable differs with the UPS power rating and output AC voltages provided that it meets the requirement of nominal output or bypass current as shown in Table 3 1 Battery cable Each UPS connects to its battery through the cables connecting to the positive and negative poles The cable size of the battery cable differs with the UPS power ratings provided that it meets the battery discharge current requirement when the battery discharges to near EOD voltage as shown in Table 3 1 3 1 2 Cable Specification The power cable specification of the UPS is as shown in Table 3 1
139. perating Procedures Of Testing The Battery eecceeeccesseeeeeeeeeeeeeeneeeeeeeeeeeeaeeseeeeeeaeeseaeeseeeeeeeeeeeeeteneeeeneeeeea 61 5 4 Procedures For Operating From Maintenance Bypass UPS Shutdown Procedures oocooocccoccccooccconccnonncnancnnnns 61 5 5 Transfer Maintenance Bypass Supply Mode To The Normal Mode ccoooocccconococcnonococononncocononcnnonnonononnnnnnninoncnnnns 62 5 6 Shutdown Procedures Shut Down UPS And The Load Completely oooococonocccnccccooccnoncconnncnanccnnnccnnnccnanca narco 63 5 7 Emergency Power Off EPO ProCceQures cesccsesceseeeeseseeseneeeeaeeceaeeeeaeeseaeeseaeeseaeeseaeeseaeeseaeeteaeeeeaeeseaeeseeeeeas 64 5 8 UPS Reset Procedures After EPO ceccccescesesceseseeeeaceteeeeeaeeseaeeeeaeeseaeeseaeeseaeeeeaeeseaeeeeaeeceaeeseaeeseaeeeeaeeseaeeeeaeetias 64 5 9 Automatic Restart 1 ccs tied r elie el A E 64 5 1 Oi anguage Selection ii cok ities a aa a a doshas aaa T a a favour E A E aare a aSa 65 5 11 Change The Current Date And Time ccceecceeeneeeeneeeeneeeeeeseaeeeeaeeseaeeseaeeseaeeseaeeseaeeseaeeseaeeseaeeseeeeneeseneeseeeteas 65 5 12 Change PassWord a tees ade 65 Chapter 6 Baterista aie cl ie eaten da 67 GH INTOCUCTION Wi AA A e e ad 67 A A 67 6 3 UPS Batterien heti aeaa A A el 68 6 4 Precautions For Installation Design ooononcccnnoncccnnnoancnnnnannnnnonnnonnnrn cnn nnnonnnnnor rre rnnnn rr rro ner nan n rre rana narran rn rennnnennns 69 6 5 Battery Installation E
140. play panel Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 4 Operator Control And Display Panel 35 Through the LCD screen users can carry out the following steps e Quickly know UPS operating states e Monitor UPS power flow and query about input and output parameters e Control UPS such as startup and shutdown transfer trap filter closure and etc e Query about the records of UPS events and alarms e Set UPS parameters 4 2 Types Of LCD Screen 4 2 1 Startup Screen 500kVA 600KVA and 800kVA UPS have the same monitoring system take 800kVA UPS as an example below When starting UPS the system is powered on and the startup screen appears Such words HMI 2 Liebert NXL display for about 30 seconds as shown in Figure 4 3 Figure 4 3 Startup screen Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 4 Operator Control And Display Panel 4 2 2 Main Display Screen After the completion of UPS startup the main screen appears as shown in Figure 4 4 BATTERY 1 OF 1 Woltage 547 Y Temp 32 C N Charge 31 Legend Inlet Air Temp 20 cy 10 2 RESET SILENCE INPUT MODULE OUTPUT u Y wW u Y wW E 407 407 407 Y EL 396 397 396 Y Amps 793 772 814 A L N 228 229 229 Y Freq 50 03 Hz Amps 672 671 668 A BYPASS KVA 57 57 57 u y w KW 64 64 63 L L 392 399 379 Y er Pee ee n Freq 50 00 Hz KYA KW 459 459 Freq 49 99 Hz gL DC BUS Volt
141. please meet the following requirements 1 The rated power voltage and frequency of all the UPS modules must be the same 2 The output of all the UPS modules must be connected with the same output bus 3 The redundant parallel UPS system composed of more than three UPS modules or expansion parallel UPS system composed of two or more UPS modules are required to install the bypass load sharing inductor options Refer to the user manual of the bypass load sharing inductor 1 N parallel UPS system requires the use of parallel control signals to manage load sharing synchronization and bypass switch among UPS modules parallel control line in Figure 7 1 can provide this function Parallel control line is multicore ribbon cables connecting the UPS module Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 7 1 N Parallel System Installation 75 7 1 2 External Protection Device 7 1 3 7 1 4 AA Large ground leakage current before connecting the input power including AC mains and batteries the grounding must be reliable Equipment grounding must comply with local electric regulations 1 In a system where main and bypass have different power and each UPS module equipped with an independent battery if the differential switch is to be used in the UPS input then it is requested to install in the system bypass input 2 In the system configuration of all the UPS shared batteries if t
142. pleting the mechanical connection between the cabinets it is necessary to carry out electrical connection including the power connection and signal connection Power Connection The power connection of the UPS cabinets uses accessory power cable or copper busbar When connecting the copper busbar the installation engineer shall operate strictly according to the illustration drawing The power connection between the rectifier cabinet and inverter cabinet of the 500kVA UPS adopts only copper busbar connection and there is no power cable connection The copper busbar connection is as shown in Figure 3 20 The recommended bolt tightening torque for M10 is 35Nm Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 2 7 28 Chapter 3 Electrical Installation Phra
143. plified view Figure 3 18 Cable entry and routing of signal cables of 500kVA UPS bottom cable entry Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Cover board 2 Cover board 1 Chapter 3 Electrical Installation Step 1 Remove Cover board 1 to reveal Cover board 2 on the bottom of the UPS Step 2 Remove Cover board 2 lead the cables into the UPS and route them in the direction shown by the arrow Step 3 There are two situations e Lead the cables out Hole 1 and connect them to the ICI boards PRBs see their user manuals for their locations ElB board HMI control board and IMC board see Figure 3 16 and Figure 3 17 for the cabling route and board locations e Lead the cables out Hole 1 and connect them to the intelligent optional cards throught Hole 2 A Hole 2 A q pl ll de AS 7 77 Intellislot intelligent slot locations py of intelligent optional cards Y 4 B amplified view Figure 3 19 Cable entry and routing of signal cables of 6 00kKVA 800kVA UPS bottom cable entry 3 4 Electrical Connection Between The Cabinets 3 4 1 The UPS cabinet includes several cabinets After com
144. pment the UPS and battery box have high voltage inside Because the components with high voltage can be accessed only when the front door which is locked is opened the risk of contacting high voltage has been minimized This equipment meets the IP20 standard and other safety shields are provided inside the equipment There will not be any danger when operating this equipment according to the general instructions and the steps recommended in this manual All the equipment maintenances involve the contact with the internal parts and such operations shall be conducted by the properly training personnel AA The battery manufacturer has provided the precautions that should be complied with when using the large batteries or near the batteries Such precautions must be complied with at any time The relevant suggestions on the local environment conditions and the regulations on providing PPE first aid equipment and fire fighting equipment shall be paid special attention to This warning mark represents all the indications for human safety Contents ANS O OO AE 1 A O 1 1 2 Design Concepts viii AA A ne ed Ee 1 1 2 1System DESIGN sm A E A d adda das tes cece edtvte oes een anne detent 1 Wis2 2 BYPASS Aris 2 1 2 3 System Contr l Principle eiii oa ee hier en 2 1 2 4 UPS Power Supply Switch Configuration cceecceseseeeseeeseeeeeseeeeeeeeeeeeseeeeeeeeseaeeeeeeseaeesaeeseaeesneeessaeesaes 3 1 2 5 Battery Circuit
145. pply quality of load can not be guaranteed During system maintenance the UPS will operate in maintenance bypass mode BATTERY 1 OF 1 Voltage 507 Y Temp 27 C 4 4 Detailed Menu Figure 4 11 Power flow diagram in maintenance bypass mode Legend Inlet Air Temp 29 C LCD provides 10 menus The structure of menu is as shown in Figure 4 12 Main menu includes Configuration Status Reports Start Up Shut Down Transfer Battery Management Metering Help Silence Reset If necessary the sub menu can be spread step by step for operations such as the relevant parameter setting status browse startup or shutdown of the system Silence Reset Metering The following sections detail the menu at all levels Figure 4 12 Structural diagram of UPS menu tree i Shut Battery Configuration Status Reports Start Up Down Transfer Management y Time Remaining Ratings Event Log Manual Start Open Trap UPS Graph System System Device B Manual Battery Settings Status Control Open BCB TRESS Test Adjustable Manual Battery Setpoints UPS Equalize Battery Battery Cycle Management System Monitor Event Management Help Liebert NXL UPS Single And 1 N Parallel Syst
146. pressing OK MM Shut down AN Pressing Ok will shut off the UPS output completely Load Drop will occur Cancel Figure 4 22 UPS shutdown OK dialogue box 4 4 5 Transfer This menu allows the system to transfer between the normal mode and bypass mode The window will display whether the bypass is in the synchronous range of UPS If it is in the synchronous range press the bypass button and UPS will transfer to bypass mode Press the UPS button and the system will transfer back to the normal mode as shown in Figure 4 23 Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA_ User Manual 48 Chapter 4 Operator Control And Display Panel BYPASS u v wW L L 392 399 379V Freq 49 98Hz BATTERY 1 OF 1 Voltage 547 Y Temp 32 C uta Legend BCB Charge 43 Inlet Air Temp 20 C SILENCE Transfer Retransfer A ji 30 o 30 PEP IP EP rP eye In Sync OK to transfer to Bypass Static Switch A CONFIG STATUS REPORTS STARTUP SHUTDOWN TRANSFER BATT MGT METERING Bypass Figure 4 23 Transfer retransfer confirmation interface 4 4 6 Battery Management The menu sets battery management parameters e Battery remaining time diagram display the remaining time curve in the window The corresponding curve of battery voltage and time during certain discharge process will be displayed as shown in Figure 4 24 MB Liebert WEL WinSYI BYPASS U v LL 0 Do Freq 0 00Hz B
147. pter 6 Battery This chapter introduces the battery including the battery safety installation and maintenance information battery protection function as well as the connection of BCB box cabinet and battery temperature sensor 6 1 Introduction The UPS battery string is composed of several batteries in series connection and provides rated DC input voltage for the UPS inverter The required battery backup time i e the time for battery to supply load upon mains failure is subject to the ampere hour value of the battery Sometimes it is necessary to connect several strings of battery in parallel To facilitate the UPS installation the battery is generally installed on the specially designed battery rack or in the battery room During the maintenance or repair the battery must be disconnected from the UPS This operation may be realized by the battery circuit breaker of proper capacity This circuit breaker shall be located as close as possible to the battery connecting terminal and the wiring distance of the power and control cables connected to the UPS shall be minimized When several strings of battery are paralleled to increase the battery backup time disconnecting device shall be equipped so that the maintenance operation on a certain battery string will not affect the normal operation of other battery strings 6 2 Safety Take care when operating the UPS battery When all the cells are connected the voltage of the battery string
148. r Cabinet Input Transformer 103 2 2 Procedures For Removing The Fixed Screws Of The Inverter Cabinet Output Transformet 00 104 1 1 1 2 1 2 1 Chapter 1 Overview Chapter 1 Overview This chapter briefly introduces the features design concepts and operating modes of Liebert NXL 500 600 800kVA UPS hereinafter referred to as UPS Features The UPS is connected between the three phase input power and the critical loads e g computer to provide high quality three phase power for the loads The UPS has the following advantages O Increase the power supply quality The UPS protects its output against the input power change through the internal voltage and frequency controller Improve noise suppression Due to the application of AC DC AC conversion mode the noise in the input power is effectively filtered and the load gets clean power supply e Provide mains failure protection If the input power fails the UPS will work in battery mode and the power supply to the loads will not be interrupted Design Concept System Design This section introduces the working principle of the UPS Single Module The UPS adopts AC DC AC converter as shown in Figure 1 1 The first stage conversion AC DC adopts three phase full bridge rectifier that uses SCR to convert the three phase input voltage to stable DC bus voltage Bypass AC supply a o Rectifier Inverter Static
149. r cable connection relationship table between inverter cabinet and switch cabinet of 600k VA 800kVA UPS Power cable label Starting point inverter cabinet Ending point switch cabinet Qty Meaning W28 TOUT X0 N lines of transformer N wire copper busbar of Q4 4 Output N lines Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 3 Electrical Installation 29 When connecting the power cable W28 it is required to use a cable tie to bind the cable at the switch cabinet end on a cable binding board as shown in Figure 3 21 Power cable W28 u Cable binding board Use a cable tie to bind cable W28 here N wire copper busbar Copper busbar 148 1 piece ANNA acs A amplified view Switch cabinet Figure 3 21 Binding power cable W28 The copper busbar connection between the rectifier cabinet inverter cabinet and switch cabinet of the 600kVA 800kVA UPS is as shown in Figure 3 22 to Figure 3 27 The installation engineer shall connect the copper busbars strictly according to these figures The recommended nut bolt tightening torque for M12 is 50Nm
150. r to the user manual of the battery temperature sensor With this function we can adjust the float charging voltage of the battery to make it inversely proportional to the ambient temperature of the battery cabinet chamber so as to prevent the over charge of the battery under high ambient temperature 6 11 Battery Maintenance For the battery maintenance and maintenance precautions refer to IEEE Std 1188 2005 and the relevant manuals provided by the battery manufacturer A 1 Periodically check the screws of the battery connection parts and confirm that they are firmly tightened If there is any loosened screw tighten it immediately 2 Check to ensure that all the safety devices are in place and operate normally and that the battery management parameters are set properly 3 Measure and record the air temperature inside the battery room 4 Check to ensure that the battery terminals have no damage or heat generating trace and the battery enclosure and terminal shields are intact 6 12 Battery Recycling If the battery has liquid leakage or is damaged place the battery into the container that can withstand sulphuric acid and discard it according to the local regulations Used lead acid storage battery belongs to dangerous waste and it is a key item for used battery pollution control The storage transportation use and disposal of the battery shall comply with the national and local laws and regulations on dangerous wa
151. re 1 2 the loads can be supplied by the inverter or the bypass In normal situation the loads are supplied by the inverter in which case the static switch at inverter side is closed In the case of overload the overload delay time expires or inverter failure the static switch module will automatically transfer the loads to the bypass Bypass mains supply Maintenance bypass switch Q3 as 2220 Lp Bypass switch Q2 Input mains Rectifier Inverter Static switch supply yrr O A VF pl Bree f Output switch Q4 7 E UPS output ar MES l 1 i l l A l l i Battery i 1 l l ee E E Battery circuit breaker Figure 1 2 UPS power supply switch configuration In normal operating state to realize the uninterrupted transfer between inverter and bypass the inverter output must be synchronized with the bypass Therefore when the bypass frequency is within the synchronization range the inverter control circuit will synchronize the inverter output frequency with the bypass frequency Besides the UPS has a manual maintenance bypass switch for the shutdown of the UPS for maintenance In this situation the bypass will directly supply the critical loads through the manual maintenance bypass switch Note When the load is supplied by the bypass or maintenance bypass the power supply quality cannot be ensured System Control Principle Normal operation Normal mode It means that the UPS has normal input mains the rectifier and inver
152. reaches EOD the UPS can transfer to the bypass Low Batt Capacity This alarm indicates that the system includes several strings of battery and at least one battery circuit breaker is closed while at least one battery circuit breaker is open Batt Discharging The UPS is in battery mode and the battery is discharging Batt Ovtemp Warning The battery temperature sensor reports that the temperature exceeds the set value Check the battery temperature and ventilation Batt X Ovtemp Limit The temperature of battery string X reaches the set battery temperature limit If BCB tripping enbled is set the BCB will trip in case of over temperature Check the battery temperature and ventilation Note X represents the battery cabinet battery string number 1 8 DC OV Transient Whent the bus voltage exceeds certain percentage of the rated voltage this alarm will be triggered Bypass SCR short circuit failure is also a cause of this alarm Battery circuit breaker tripping will also be caused DC Bus Qualified All the parameters of the bus are within the allowable range of the rectifier and inverter Inverter Fault The inverter has failure which causes the inverter to shutdown The failure includes bus transient over voltage inverter over voltage inverter under voltage inverter IGBT A failure inverter IGBT B failure inverter IGBT C failure DC bus current IDC peak value failure and inverter sensor failure I
153. reaker will automatically disconnect Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 44 Chapter 4 Operator Control And Display Panel e Low battery alarm time Alarm time minute from 2 to 120 minutes depending on the battery used the default setting is 10 minutes e Cell count adjustment The adjustment of battery numbers from 12 to 6 the default setting is 0 e Float voltage Float Voltage V number from 2 15 to 2 3 the default setting is 2 25 Internal option settings Internal option settings can be modified through this menu Ave The function must be set to enable through the host otherwise the function is not available and the menu will not display Internal option settings include the settings of input contact isolator ICI boards and programmable relay board PRB Setting dialog box is as shown in Figure 4 17 and Figure 4 18 respectively MM Input Contact Isolator Board 1 Ch 1 Oo Pre assigned Input Contact 11 Delay bo Ch 2 O Pre assigned Input Contact 12 Delay fa Ch 3 e Pre assigned Input Contact 13 Delay joo oo Ch 4 Pre assigned Input Contact 14 Delay 00 Ch 5 a Pre assigned Input Contact 15 Delay loo 0 Ch 6 Oo Pre assigned Input Contact 16 Delay loo Ch 7 Oo Pre assigned Input Contact 17 Delay bo Ch 8 O Pre assigned Input Contact 18 Delay foo 7 Save Cancel Figure 4 17 Dialog box for setting input contact isolator ICI board
154. ries out event clearing operation IDC Peak Fault The system detects IDC peak value fault IGBT short circuit fault or bypass SCR short circuit fault could trigger this alarm Service Code Active This event is used to inform the user that the service code is valid currently LBS Inhibited The system has detected that conditions to perform Load Bus Sync are not satisfied Regen Active This state informs the user that UPS is in automatic aging mode Regen Terminated This state informs the user that UPS is no longer in automatic aging mode Automatic aging time is up or automatic aging is stopped manually Regen Failure Automatic aging mode is started or terminated under abnormal situations Leading Pwr Factor Leading power factor may cause energy waste If the power factor is less than 0 95 UPS will derate the output to compensate the output loss Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 4 Operator Control And Display Panel 57 Message of prompt window Explanation BPSS Ovld Exceeded Bypass static switch closes because of continuous overload and overtime BPSS Unable Bypass static switch could not be operated in normal mode BPSS Phase Open When the system opens bypass single phase or polyphase bypass thyristor opens circuit Output Static Switch SCR Pate POATA One or several static switches have short circuit The fau
155. s environmental requirement mechanical requirement initial inspection before installation and installation diagram Precautions AA Before the arrival of the authorized engineer do not power on the UPS NN The UPS installation shall be carried out by qualified engineer according to the description of this chapter Detailed mechanical and electric installation documents will be provided for all the equipment not covered in this manual upon delivery AN DM Warning battery danger Special care shall be taken when installing batteries When connecting batteries the battery terminal voltage will reach 540VDC which is fatal to human being 1 Please wear safety glasses to protect the eyes from being damaged by arc 2 Remove all the metal items including finger rings watch etc 3 Use tools with insulated handle 4 Wear rubber gloves 5 If the battery has electrolyte leakage or the battery is damaged it must be replaced Place the battery into the container that can withstand sulfuric acid and dispose of it according to the local regulations 6 If the skin contacts the electrolyte flush it with water immediately AN amino The UPS system can connect to the power system i e IT system whose neutral point is not earthed This chapter introduces the environmental and mechanical requirements that must be considered for location selection and wiring of the UPS Because each site h
156. s 540 Y Amps 88 A sa ni kart Charging LETETTE TELTTA In Sync Aug 16 2009 Liebert e NXL 3800 KVA 12 07 43 Copyright 2009 2012 4 CONFIG STATUS REPORTS STARTUP SHUTDOWN TRANSFER BATT MGT METERING HELP 5 9 6 Figure 4 4 Main display screen After the system has operated for 15 minutes without any action LCD backlight will automatically be turned off into the dormant state touch any place of LCD display LCD will be activated and return to the main screen The main screen can be divided into ten zones according to the functions as shown in table 4 1 Table 4 1 Main screen zone description Zone number Description 1 Power flow diagram Event clearing and silence menu Current event Main menu button Current date and time Product Logo Phase locked state Output parameter OO CO NI O OI A OO PO Input parameter o Inlet air temperature Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 4 Operator Control And Display Panel 37 If it is parallel UPS system then the main screen is as shown in Figure 4 5 On the top right of the power flow diagram a System View menu appears Click it as shown in Figure 4 6 and the parallel system information will display BATTERY 1 OF 1 Woltage 545 Y Temp 32 C Charge 16 RESET SILENCE System View Legend Inlet Air Temp 20 C
157. sconnect internal maintenance bypass switch Q3 4 Close input switch Q1 At the moment confirm that the LCD shows the input power supply path of the main circuit is green if not check whether switch Q1 is closed The following dialog box pops up on LCD Press OK to Issue Rectifier On Command After pressing OK the rectifier starts up in soft start mode with its frame in the diagram blinking green A few seconds later the rectifier starts to operate stably with its frame in the diagram becomes green constantly and the bus ata rated voltage 5 The following dialog box pops up on LCD Press OK to Issue Inverter On Command press OK The inverter starts to operate normally after its frame in the diagram becomes green constantly When the system detects the battery its frame in the diagram becomes green 6 The following dialog box pops up on LCD Press OK to Issue MBD Enable Command Confirm that the bus voltage is normal and the battery s polarity is right Press OK to charge the battery and close the external battery circuit breaker while press Ignore to disconnect the battery The battery circuit breaker is inside the BCB cabinet 7 The following dialog box pops up on LCD Press OK to Issue Transfer Command When the bypass is synchronized with the inverter press OK then UPS transfers bypass supply mode to inverter supply mode At the moment the frame of bypass static switch in the diagram darkens while the frame of ou
158. seen after open the front door with a key Figures 5 1 and 5 2 show the positions of the following power switches Q1 Input switch which connects UPS to the main circuit power Q2 Bypass switch which connects UPS to the bypass Q3 Maintenance bypass switch locked which supplies power to the load when UPS is being maintained Ifthe UPS system is composed of more than 2 paralleled UPS modules do not use the internal maintenance bypass switch Q4 Output switch which connects UPS output to the load Ave To operate switch Q1 of 500kVA UPS please remove the handle and install it on switch Q1 After operating the switch replace the handle To operate switches Q2 Q4 of 600kVA 800kVA UPS please remove the handles and install them on the swithces to operate switch Q1 of 600kVA 800kVA UPS you need to add the extension bar to the handle additionally so as to prevent injurying your hand After operating the swithces replace the handles and extension bar Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 5 UPS Operation Introduction 59 The battery circuit breaker shall be installed near the battery not inside the UPS Figure 5 1 and Figure 5 2 are the mechanical views of 500kVA UPS 600kVA UPS and 800kVA UPS respectively after their front doors are opened
159. ss Mode Power flow diagram in bypass mode is as shown in Figure 4 9 In the bypass mode the load is supplied by bypass when the power supply quality of load can not be guaranteed In the system s startup process or inverter failure UPS is working in bypass mode NI INPUT P DC BUS Mu N BATTERY 1 OF 1 Voltage 502 Y Temp 26 C z Legend a Inlet Air Temp 25 C Figure 4 9 Power flow diagram in bypass mode 4 3 4 Power Flow Diagram In Battery Mode Power flow diagram in battery mode is shown in Figure 4 10 When the mains powers off or is outside specifications the loads will be supplied by the battery The supply time depends on the battery capacity and load When the battery voltage is going to reach the end of discharge voltage the alarm information Low Batt Shutdown will display in the LCD operation panel The battery frame in power flow diagram will show the battery voltage battery discharge current discharge time and charge percentage BATTERY 1 OF 1 Voltage 491 Y Temp 26 C N Legend Charge 92 Inlet Air Temp 26 C Figure 4 10 Power flow diagram in battery mode Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA_ User Manual 40 Chapter 4 Operator Control And Display Panel 4 3 5 Power Flow Diagram In Maintenance Bypass Mode Power flow diagram in maintenance bypass mode is as shown in Figure 4 11 In the bypass mode the load is supplied by the maintenance bypass when the su
160. ste and used battery pollution prevention and other standards According to the relevant national regulations the used lead acid storage battery must be recycled and shall not be disposed of with other methods Random discard or any other improper disposal of the used lead acid storage battery Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual Chapter 6 Battery 73 may cause severe environment pollution and the relevant person will be investigated of corresponding legal responsibilities As a lead acid storage battery supplier Emerson Network Power Co Ltd has built a perfect service network and used battery recycling system to help the customer legally and properly dispose of the lead acid storage battery For detailed information about the used battery recycling system of Emerson Network Power Co Ltd please consult the local customer service center or representative office of Emerson If the customer refuses to accept this special note or does not use the used battery recycling system of Emerson Network Power Co Ltd Emerson Network Power Co Ltd will not undertake any environment responsibility caused by the improper disposal of the used battery products Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 74 Chapter 7 _1 N Parallel System Installation 7 1 7 1 1 Chapter 7 1 N Parallel System Installation This chapter gives details on the installation of 1 N parallel system
161. switch to the bypass Fan X Fail Fan X has failure Note X represents the fan number 1 32 Manual Xfer to Byp The user starts the manual switching operation to switch to the bypass Manual Xfer to Inv The user starts the manual switching operation to switch back to the inverter mode Parallel Manual Xfr Sbs Inhibited Manul xfr sbs has inhibited Trap Fuse Fail When the module is installed with input filters one or several filter fuses have failure Out Fuse Fail One or several output fuses have failure LNA HF Filter Fuse Fail The high frequency filter GrassFilter fuse has failure Load on UPS The output is powered by the inverter and the UPS is in normal mode Load on Bypass The output is powered by the bypass and the UPS is in bypass mode Load on Maint Byp The load is powered by the maintenance bypass and the UPS is in maintenance bypass mode Low Power Factor The load power factor is lower than the rated lower limit for the maximum system load For certain load the UPS output current is increased with the reduction of the power factor which will cause the derating of the UPS output power BFB Open The backfeed switch is disconnected CB3 Open Fail The bypass circuit breaker cannot be opened CB3 Close Fail The bypass circuit breaker cannot be closed CB2 Close Fail The inverter output switch cannot be closed CB2 Trip Fail The inverter output switch has not resp
162. t and other meta items before operating the battery and ensure that the tools e g wrench are covered with insulating material Otherwise battery burning human death injury or explosion may be caused 8 Do not disassemble modify or demolish the battery Otherwise battery short circuit liquid leakage or even human injury may be caused 9 Clean the battery enclosure with the wringed wet cloth To avoid any static or arcing do not use dry cloth or duster to clean the battery Do not use the organic solvent such as thinner gasoline volatile oil to clean the battery Otherwise the battery enclosure may be cracked In worst case fire may be caused 10 The battery has diluted sulfuric acid In normal use the diluted sulfuric acid will be absorbed to the baffle and polar plate of the battery However if the battery is damaged the acid may leak from the battery Therefore personal protective equipment e g protective glasses rubber gloves and apron must be used when operating the battery Otherwise if the diluted sulfuric acid enter the eyes blindness may be caused if it contacts the skin the skin may be burnt 11 The battery may have short circuit electrolyte dry up or positive pole erosion failure at the end of its life If it is still used under this state the battery may have thermorunaway bulging or liquid leakage Please replace the battery before it becomes this state UPS Battery The UPS battery generally adopts valv
163. t normally after receiving the BFB Open Fail disconnection signal The rectifier input circuit breaker does not disconnect normally after receiving the CB1 Open Fail de y 2 disconnection signal CB1 Close Fail The rectifier input circuit breaker does not close normally after receiving the close signal Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 4 Operator Control And Display Panel 55 Message of prompt window Explanation Batt CBX Open The battery circuit breaker X MBD BIS BCB cannot respond to the disconnection signal Note X represents the battery circuit breaker MBD BIS BCB number 1 5 BIS When there is no common battery circuit breaker the BIB is the BIS Batt CBX Close Fail The battery circuit breaker X MBD BIS BCB cannot respond to the close signal Note X represents the battery circuit breaker MBD BIS BCB number 1 5 Batt CBX Open Status of battery circuit breaker 1 disconnect Note X represents the battery circuit breaker BIS number 1 8 Inlet Ovtemp The inlet air temperature of the UPS module exceeds the set maximum value The UPS only generates alarm but has no other actions Outlet Ovtemp Limit The difference beween the outlet air temperature and the inlet air temperature exceeds the specified maximum temperature difference The inverter will be shut down If it is permitted switch to the bypass Equip Ovtemp
164. t transformer Firstly remove the two M16 screws at the bottom of the transportation restraint on one side as shown in Figure 4 Notice Just remove the screw below the transport restraint without any need of removing those above 3 Remove the metal cover at the same right bottom of inverter cabinet as the above position and then the transportation restraint on the other side of the bottom of the output transformer will be exposed Make sure of retaining the removed screws Note on the left side of the metal cover a bus discharge resistor base plate that blocks the metal cover should be firstly moved to left for about 30cm and then the metal cover can be removed 4 Remove two M16 screws under the transport restraint 5 Install the metal cover at the bottom of both sides of the inverter cabinet back to its original place and move the discharge resistor base plate back Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual
165. tal voltage of the batteries is as specified The negative and positive poles of the batteries must be connected to the negative and positive battery terminals of the UPS according to the labels on the battery and UPS If the battery is reversely connected explosion and fire may be caused it may result in battery and UPS damage or even human injury 3 When the battery cable connection is completed install insulating shield for the terminals 4 When connecting the cable between the battery terminal and the battery circuit breaker the circuit breaker end shall be connected first 5 The bending radius of the cable shall be larger than 10D wherein D is the outer diameter of the cable 6 When the battery cable is connected it is prohibited to pull the battery cable or the cable terminal 7 Do not cross the battery cables during the connection and do not tie the battery cables together Battery Installation No matter which type of installation system is adopted the following items shall be paid special attention to refer to Figure 6 1 OLayout of cells No matter which battery installation system is used the battery shall be located in a matter that it will not contact two naked live parts with the potential difference over 150V at the same time If it is unavoidable insulated terminal shield and insulated cable shall be used for the connection Workbench The workbench or pedal must be skid proof and insulated and at least 1m
166. tatus signals of these switches are connected with the input contact point on the external interface board ElB as shown in Figure 7 6 among which the status signal of output isolator QEn is connected to the ElB board of this machine in Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 7 1 N Parallel System Installation 79 the parallel system The status signal of output isolation switch QOP and maintenance bypass isolator QBP are connected to the EIB board of all the single units in the parallel system Closure requirements for external switch e Closure requirements for QEn this machine has not power e Closure requirements for QOP QBP does not close or all the machines in the parallel system are not supplied by the inverter QBP and bypass of parallel system have the same source e Closure requirements for QBP QOP does not close or all the machines in the parallel system are not supplied by the inverter QBP and bypass of parallel system have the same source There is no requirement for disconnecting external switch which can be disconnected at any time if necessary 2 TBO811 ole EIB 2 op fT TBO815 Q TB0813 U tno A QEn QBP 77 Figure 7 6 External switch connnection 7 2 Operation Steps For 1 N Parallel System 7 2 1 JN Varmio If UPS
167. tely LA Aerie At the moment the input switches of the main circuit and bypass the output side of Q4 all have the mains voltage 5 5 Transfer Maintenance Bypass Supply Mode To The Normal Mode The following procedures will transfer the maintenance bypass supply mode of the UPS to the normal mode Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual Chapter 5 UPS Operation Introduction 63 1 Open the outer and inner doors of the cabinet ensure the fuses FB1 FB2 FB3 and FB4 are closed Note As the labels show FB1 FB4 of 500kVA UPS are in the middle of the inverter cabinet For 600kVA and 800kVA UPS FB1 and FB2 are in the upside of the rectifier cabinet while FB3 and FB4 are in the upside of the switch cabinet 2 After starting the LCD confirm that the bypass input supply path in the power flow diagram is green then close bypass input switch Q2 and output switch Q4 Choose Manual Startup from the Startup menu on the LCD screen The following dialog box pops up on the screen Press OK to Start Bypass or Skip into Rectifier Press OK another dialog pops up Press OK to Issue Bypass On Command Press OK the bypass starts and the UPS works in the bypass supply mode At the moment Figure 5 3 shows the power flow diagram displaying on LCD JN Wario You must start the bypass first and then disconnect the maintenance bypass switch or it will make output load power failure 3 Di
168. ter operate normally the load is supplied by the inverter the battery circuit breaker is closed and the battery is in stable floating charge state with DC bus voltage Mains abnormal When the mains fails or is abnormal the rectifier will stop working automatically and the system will transfer to battery output through inverter The length of the operation time in battery mode depends on the load and the battery capacity During this period if the battery voltage falls to the EOD voltage and the mains still has not been recovered the inverter will stop working automatically and the UPS operation control panel will display corresponding alarm message Mains recovery When the mains resumes normal within allowable time the rectifier will start automatically at this time its output power will increase gradually and supply the load and charge the battery again Therefore the power supply to the load will not be interrupted Battery disconnection To disconnect the battery from the UPS system for maintenance the external isolating switch can be used At this time except for the mains failure battery backup function other functions and all the steady state performance of the UPS will not be affected Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 1 2 4 1 2 5 1 2 6 1 3 Chapter 1 Overview 3 UPS Single Module failure In case of inverter failure the load will be automatically transferred to
169. that maintenance bypass switch Q3 is disconnected and all the switches in the power flow diagram displaying on LCD screen are in disconnected state If not check the switches 3 For UPS completely power off if the main circuit and bypass have external distribution switches you must disconnect the switches respectively or you must disconnect fuses FB1 FB2 and FB3 and stick the warning label Note As the labels show FB1 FB4 of 500kVA UPS are in the middle of the inverter cabinet For 600kVA and 800kVA UPS FB1 and FB2 are in the upside of the rectifier cabinet while FB3 is in the upside of the switch cabinet 4 Disconnect external output switch As all internal power drove by the external power shut off all the frames in the power flow diagram on LCD screen darken Emergency Power Off EPO Procedures The front door of UPS rectifier cabinet has an Emergency Power Off EPO button which can be used to shut down UPS under emergent conditions such as fire hazard and flood To carry out EPO you just need to press the EPO button then the system turns off the rectifier and inverter cuts off the load power supply quickly including the inverter and bypass output and makes the battery stop charging or discharging If UPS has the mains input it means the UPS control circuit still has power but UPS output has been turned off To cut off the mains power of UPS completely refer to procedures 2 5 in 5 6 Shutdown Procedures Shut Down
170. the bypass and the output power supply will not be interrupted In this situation please contact the local customer service center of Emerson Network Power Co Ltd for technical support Overload If the inverter is overloaded or the inverter current remains outside the specifications refer to Table 9 6 longer than the specified time the load will be automatically transferred to the bypass without power interruption If both the overload and the current are reduced to a level within the specified range then the load will be transferred back to the inverter In case of output short circuit the load will be transferred to the bypass and the inverter will shut down One minute later the inverter will start up automatically If at this point the short circuit is removed the load will be transferred back to the inverter The transfer is determined first of all by the features of the protection device of the system In the above two situations the UPS operation control panel will display alarm message Maintenance bypass The UPS has a second bypass circuit i e maintenance bypass which provides a safe working environment for the engineers to provide regular maintenance or repair to the UPS system and at the same time provide unregulated mains supply to the loads The maintenance bypass can be manually selected through the maintenance bypass switch It can be disconnected by turning the switch to OFF AA io If the UPS system is composed of
171. the function and operation method of LCD screen and EPO button on the UPS Operator control and display panel and provides detailed LCD screen information including types of LCD power flow diagram detailed menu information and a list of UPS event records Introduction UPS operator control and display panel is located on the right door in front of the rectifier cabinet as shown in Figure 4 1 Figure 4 2 Operator control and display panel has LCD screen and EPO button UPS man machine interface adopts the LCD of touch screen type Through the LCD screen users can control the operation of UPS and query about UPS parameters UPS status battery status as well as records of events and alarms EPO button provides emergency shutdown function for the user LCD Operator control and display panel EPO button O MM Figure 4 1 The location of 500kVA UPS operator control and display panel LCD Operator control and display panel EPO button A e AANA O Figure 4 2 The location of 600kVA 800kVA UPS operator control and dis
172. tice If battery temperature compensation is used the commissioning engineer shall enable this function through the host Interface TB1101 Interface TB1101 on the CB interface board provides driving signal of the 48Vdc coil and sends the on off signal of the bypass back feed circuit breaker BFB to the UPS control UPSC board The pin layout of interface TB1101 is as shown in Figure 3 10 and the pin description is shown in Table 3 8 TB1101 OPEN COM 48V_COIL CLOSED 48V_COIL_DRIVE Figure 3 10 Pin layout of interface TB1101 Table 3 8 Pin description of interface TB1101 Pin Name Meaning TB1101 1 COM 48V power supply negative pole TB1101 2 OPEN CB open TB1101 3 CIOSED CB closed TB1101 4 48V_COIL_DRIVE Driving signal of the 48Vdc coil TB1101 5 48V_COIL 48V power supply positive pole Note 1 After the BFB is enabled the output of Pins 4 and 5 of TB1101 on the CB interface board is OV low level 2 When there is bypass back feed the output of Pins 4 and 5 of TB1101 on the CB interface board is 48V 40ms pulse signal which trips BFB 3 The output load of TB1101 on the CB interface board needs to connect coil device 3 3 7 Cable Entry And Routing All UPS signal cables go into and out the UPS through the rectifier cabinet using top cable entry method or bottom cable entry method The following introduces the cable entry and routing method of all signal cables of these two
173. tifier Project Unit 500kVA 600kVA 800kVA Rated output voltage Vac 380 400 415 Output power type Three phase four wire with neutral line Rated power when Power factor is 0 9 kVA 500 600 800 Rated power when Power factor is 1 kW 450 540 720 60 110 Three phase overloadtime Min In 10 125 1 150 The maximum allowed non linear load kVA 100 ae 3 5 1 balanced load Voltage stability steady state test o 2 imbalanced load Voltage stability transient state test 5 RMS 5 RMS Voltage distortion linear load 3 1 phase voltage Voltage distortion non linear load 3 2 5 phase voltage 1 balanced load Three phase phase difference 120 H imbalanced load Synchronization status tracking bypass input bypass synchronous pregency range e window can be set to be 0 3Hz to 5Hz up step length 0 1Hz Frequency trace rate Hz s 0 1Hz s 3Hz s can be set step length 0 1Hz s Bypass transfer time ma Inverter and bypass synchronize transfer time is 0 Inverter and bypass synchronize transfer time is less than 20ms Battery transfer time ms 0 Note 1 Delivery set of 380V 400V or 415 voltage can be set through host software 2 1EC62040 3 5 3 2 3 IEC62040 3 ANNEXE provides the benchmark non linear load requirements 4 IEC62040 3 5 3 1 including 0 100 O Load Transient recovery time falls from 20ms to 1 accuracy range 5 Load in the
174. tion network O Be insensitive to transient state current pulse O Have an average sensitivity which is 0 3A 3A adjustable The RCCB symbols are as shown in Figure 3 1 a AR Jou Figure 3 1 RCCB symbols The UPS has internal EMC filter therefore the protection ground wire has leakage current which is 3 5mA 3000mA It is suggested to confirm the RCD sensitivity of the upstream input distribution and the downstream distribution to the load Battery The battery protection is realized through the tripping mechanism of the automatic battery circuit breaker the tripping range can be adjusted controlled by the control circuit This tripping mechanism adopts undervoltage tripping coil This circuit breaker is very important to the battery maintenance and is generally installed near the battery System output If the load has independent external distribution unit the selection of the protection device shall be different from the circuit breaker used at the UPS input to ensure the protection selectivity 3 1 7 Power Cable Connection Steps When the equipment is properly located connect the power cables according to Figure 3 2 Figure 3 3 and the following steps 1 Ensure that all the input distribution switches of the UPS have been completely disconnected and all the internal power switches of the UPS have been disconnected Stick alarm label to the switches to prevent others from operating them 2 Open the outer and inner doors of th
175. to line voltage Input power type Three phase three wire no neutral line 380V system 23 15 291V 438V line to line voltage recovery point lower limit 302V upper limit 427V 400V system 23 15 300V 460V line to line voltage recovery point lower limit 310V upper limit 450V 415V system 25 15 310V 477V line to line voltage recovery point lower limit 322V upper limit 467V lt 10 no filter lt 5 trap filter lt 3 trap filter plus active filter 20 82 lag no filter 20 93 lag trap filter 20 98 lag trap filter plus active filter Conditions 380V input voltage 100 kW load Input voltage range Input current harmonic THDi Power factor Frequency Hz 50 60 Input f nput requency Hz 45 55 50Hz 54 66 60Hz range A kva 609 732 979 apparent power Rated input current A 925 1112 1488 Ma ee ee kva 761 915 1224 apparent power i tput Cee PE A 1156 1390 1860 current P teppi ONET stepping a gata time Note 1 Use the recommended quantity of batteries In the 20 of input voltage point UPS can guarantee output rated voltage under rated output load without discharge of the battery but can not guarantee the float voltage of the battery 2 100 load THDi lt 8 5 without filter lt 2 5 trap filter 3 When the load power factor is 0 8 the input power factor 20 95 trap filter 3 IEC
176. tput static switch becomes green constantly which means the UPS works in the normal mode 8 Close the cabinet door and check whether LCD shows that the current window has abnormal alarms Confirm the power flow diagram displaying on the LCD is shown in Figure 5 4 If there is any alarm message handle the fault according to Table 4 3 At the moment the load has transferred to UPS normal mode 5 6 Shutdown Procedures Shut Down UPS And The Load Completely Complete UPS shutdown and load power off should follow this procedure All power switches and breakers are disconnected and then UPS no longer supplies power to load JN cauion The following procedures will cut off the load power making the load completely power off 1 Choose Shutdown menu from the LCD screen which shows the shutdown interface as Figure 4 20 Choose and press the System button as shown in Figure 4 22 a dialog box pops up indicating Pressing OK will shut off the UPS output completely Load Drop will occur Press OK This operation will turn off the rectifier and inverter disconnect the bypass static switch and the battery and make the load power off Open the front door of UPS disconnect input switch Q1 external battery circuit breaker output switch Q4 and bypass switch Q2 in sequence Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 64 5 7 5 8 Chapter 5 UPS Operation Introduction 2 Confirm
177. ual switching to the bypass the inverter must be synchronized with the bypass is not satisfied Man Rexfer Inhibit When this event occurs it indicats that the condition for manual switching to the inverter the inverter must be synchronized with the bypass is not satisfied Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 52 Chapter 4 Operator Control And Display Panel Message of prompt window Explanation Byp Overload Ph A Phase A has overload when the system is in bypass mode That is the current RMS value of the bypass phase A is higher than 110 of the rated current RMS value If the overload is not cleared in a certain period of time the controller will shut down the system This time is reverse proportional to the overload amplitude The larger the overload amplitude is the less time for the system to support the load will be Byp Overload Ph B Phase B has overload when the system is in bypass mode That is the current RMS value of the bypass phase B is higher than 110 of the rated current RMS value If the overload is not cleared in a certain period of time the controller will shut down the system This time is reverse proportional to the overload amplitude The larger the overload amplitude is the less time for the system to support the load will be Byp Overload Ph C Phase C has overload when the system is in bypass mode That is the current RMS value of the
178. ve AC power abnormal protection at the moment 5 Open the outer and inner doors of the rectifier cabinet and disconnect main circuit input switch Q1 6 Disconnect the external battery circuit breaker which is inside the BCB cabinet At the moment the LCD screen shows that in the power flow diagram all the frames darken while the maintenance bypass power supply path becomes green constantly and power flow is detected Figure 5 5 shows the power flow 7 Confirm that the LCD shows Q1 Q2 and Q4 are disconnected while Q3 is closed press the Reset button on the display board to clear the alarm messages of Main Byp Iso Q3 close and Main Byp Iso Q3 Open 8 When maintaining the UPS if the main circuit input is equipped with an external distribution switch you need to disconnect the external distribution switch and fuse FB3 if not you need to disconnect fuses FB1 FB2 and FB3 Note As the labels show FB1 FB4 of 500kVA UPS are in the middle of the inverter cabinet For 600kVA and 800kVA UPS FB1 and FB2 are in the upside of the rectifier cabinet while FB3 is in the upside of the switch cabinet 9 Close all the cabinet doors At the moment all the internal power and the LCD are turned off BATTERY 1 OF 1 Voltage 507 Y Temp 27 C a Legend BCB Inlet Air Temp 29 C Figure 5 5 Power flow diagram in maintenance bypass mode At the moment the load is supplied by the maintenance bypass while UPS is shut down comple
179. wide 8 Wiring All the wiring distances shall be minimized O Battery circuit breaker The battery circuit breaker is generally installed in the wall mounted box near the battery The connection method for the UPS BCB box cabinet is described in the following section Liebert NXL UPS Single And 1 N Parallel System 500 600 800kVA User Manual 72 Chapter 6 Batter Figure 6 1 Battery room design 6 9 BCB Box Cabinet Option Emerson provides BCB box cabinet option the features depend on the UPS capacity In general situations each set of UPS must be equipped with corresponding battery circuit breaker to ensure that the connection to the battery can be disconnected during the maintenance or when the UPS fails The BCB box cabinet contains battery interface board BIB The 500kVA BCB box adopts wall mounting while the GOOKVA 800kVA battery BCB cabinet adopts floor mounting and connects to between the UPS and the battery For details refer to the user manual of the BCB box or BCB cabinet as appropriate 6 10 Battery Temperature Sensor Option The battery temperature sensor is used to detect the battery temperature It is a negative temperature coefficient NTC detection resistor mounted tightly on the surface of the battery close the battery circuit breaker The sensor is connected to the BIB interface P1153 through the detection cable and connected to the UPS logic circuit through the BIB For detailed connection refe
180. ystem information Liebert NXL UPS Single And 1 N Parallel System 500 600 800kKVA User Manual 38 Chapter 4 Operator Control And Display Panel 4 3 Power Flow Diagram 4 3 1 Overview Power flow diagram is composed of the input output diagram switch and power supply path as shown in Figure 4 7 Power flow diagram is introduced as follows Bypass Input showing bypass input line to line voltage frequency and the state of bypass switch Q2 disconnected or closed Main Input showing the status of main input line to line voltage current frequency and the main input switch Q1 disconnected or closed Output showing the output line to line voltage phase voltage current apparent power active power power factor frequency and load percentage and displayed at the bottom of the frame the remaining time before the switch and the transfer time after the switch when overload occurs Bus Displaying the voltage value of DC bus charging status of the battery equalizing charge or float charge and charge or discharge current of the battery Battery displaying the state of battery s voltage temperature capacity and circuit breaker BCB in each group BYPASS u Y wW L L 392 398 379V Freq 49 98Hz Bypass input Rectifier input BATTERY 1 OF 1 Woltage 547 Y Temp 32 6 Charge 38 Battery ESE Inlet Air Temp 20 C Bus Figure 4 7 Power flow diagram The power flow diagram directs the current op

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