Liebert NXC 30kVA User Manual Download

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Liebert NXC 30kVA And 40kVA UPS

User Manual

Version

V1.0

Revision date

December 25, 2012

BOM

31012710

Emerson Network Power provides customers with technical support. Users may contact the nearest

Emerson local sales office or service center.

Emerson Network Power Co., Ltd.

Address: No.1 Kefa Rd., Science & Industry Park, Nanshan District 518057, Shenzhen China

Homepage: www.emersonnetworkpower.com.cn

E-mail: [email protected]

Summary of Contents for NXC 30kVA

Page 1: ...ct the nearest Emerson local sales office or service center Copyright 2012 by Emerson Network Power Co Ltd 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 Industry Park Nanshan District 518057 Shenzhen China Homepage www emersonnetworkpower com cn E mail support emersonnetwork com cn ...

Page 2: ......

Page 3: ...uct will be stored or remain de energized for a long period it must be placed in a dry and clean environment within specified temperature range 2 This product should be used in an appropriate operating environment For details refer to the section on the environmental requirement in this manual 3 It is prohibited to use this product in places where the temperature and relative humidity are outside ...

Page 4: ...onnecting the input supply including both mains supply and battery This equipment is installed with EMC filter Earth leakage current is 0 1000mA Transient and steady state earth leakage currents which may occur when the equipment is started should be taken into account in the selection of instantaneous RCCBs or RCD devices RCCB which is sensitive to unidirectional DC pulse class A and insensitive ...

Page 5: ...l circuits that are energized with high AC as well as DC voltages Check for voltage with both AC and DC voltmeters before working within the UPS Battery voltage higher than 320Vdc All the battery physical maintenance and servicing procedures need special tools and should be carried out only by trained personnel Take special care when working with the batteries associated with this UPS When the bat...

Page 6: ...The Manual Describes The Following Equipment Product Model Liebert NXC 30kVA NXC 0030kTJ1AFN02000 Liebert NXC 40kVA NXC 0040kTJ1AFN02000 ...

Page 7: ...ation 9 2 1 Precautions 9 2 2 Transportation 9 2 3 Unpacking 9 2 4 Initial Inspection 11 2 5 Environmental Requirement 11 2 5 1 UPS Location Selection 11 2 5 2 Battery Location Selection 12 2 5 3 Storage 12 2 6 Mechanical Requirement 12 2 6 1 Moving Cabinet 12 2 6 2 Clearance 12 2 6 3 Cable Access Mode 13 2 6 4 Final Positioning And Fixing 13 2 7 Installation Drawings 13 Chapter 3 Electrical Insta...

Page 8: ...CD Screen Type 28 4 2 1 Start Screen 28 4 2 2 Primary Screen 29 4 2 3 Default Screen 29 4 3 Detailed Description Of Menu Items 30 4 4 Prompt Window 32 4 5 Alarm List 32 Chapter 5 UPS Operation Introduction 35 5 1 Brief Introduction 35 5 1 1 Precautions 35 5 1 2 Power Switch 35 5 2 UPS Startup Procedures 36 5 2 1 Startup Procedures In Normal Mode 36 5 2 2 Startup Procedures In ECO Mode 37 5 2 3 Sta...

Page 9: ...f Battery Room 50 6 9 BCB Box Optional 51 6 10 BCB Reference Current And Connection 53 6 11 Battery Maintenance 53 6 12 Disposal Of Used Battery 54 Chapter 7 Parallel System And LBS System 55 7 1 General 55 7 2 System Installation Procedures 55 7 2 1 Preliminary Checks 55 7 2 2 Cabinet Installation 55 7 2 3 Power Cable 56 7 2 4 Parallel Cable 56 7 2 5 Remote EPO 57 7 3 Operation Procedures For Par...

Page 10: ...tact Port 78 Chapter 10 Service And Maintenance 79 10 1 Safety 79 10 2 Key Components And Service Life Of UPS 79 10 2 1 Life Parameters And The Proposed Replacement Time Of Key Components 79 10 2 2 Replacement Of Air Filter 79 10 2 3 Replacement Of Fuse 80 10 3 Maintenance Of UPS And Options 80 Chapter 11 Specifications 81 11 1 Conformance And Standards 81 11 2 Environmental Characteristics 81 11 ...

Page 11: ...power supply to the loads will not be interrupted 1 2 Design Concept 1 2 1 System Design This section introduces the working principle of the single UPS module The UPS adopts AC DC AC converter as shown in Figure 1 1 The first stage conversion AC DC adopts three phase high frequency rectifier to convert the three phase input voltage into stable DC bus voltage Figure 1 1 Block diagram for working p...

Page 12: ... that the UPS has normal input mains the rectifier and inverter operate normally the load is supplied by the inverter the battery circuit breaker is closed and the battery is in stable floating charge state Parallel System Note As the single UPS module outputs are connected in parallel the system checks that the inverter control circuits are perfectly synchronized with one another and with the byp...

Page 13: ...t an overload condition is sustained for greater than a preset time the load will transfer to the bypass when the number of active modules is unable to satisfy load requirements The load returns to the inverter if the power is reduced to a value that can be sustained by the number of active modules in the system Maintenance bypass The UPS has a second bypass circuit i e maintenance bypass which pr...

Page 14: ...een any two UPS modules of each bus The intelligent parallel logic provides the user with maximum flexibility For example shutting down or starting up UPS modules in a parallel system can be done in any sequence Transfers between normal mode and bypass mode of operation are seamless and self recoverable that is the overload is cleared and the system will be automatically recovered to its original ...

Page 15: ...he system will automatically transfer to the battery mode with no load power interruption When the mains is recovered the system will automatically transfer back to the normal mode without any manual intervention and the power to the load will not be interrupted Figure 1 4 Schematic diagram of battery mode Note Battery cold start function is available for switching the UPS on from Battery charged ...

Page 16: ...operation is inhibited most of time for the purpose of saving energy In this mode the bypass is the preferred source and only when the voltage and or frequency of the bypass supply are is beyond the pre defined threshold the critical AC load is transferred to the inverter if the inverter is synchronized with the bypass source the transfer will be instantaneous and during the transfer the output wa...

Page 17: ...ries of different manufacturers different types and different use time are not allowed to be used together The common battery string mode is suitable for parallel system only and does not support the LBS mode 1 5 Battery Management The following battery management functions are set by the service engineer through the Emerson setting software 1 5 1 Normal Function 1 Constant current boost charge Th...

Page 18: ...he system will update the battery curve table The capacity self test command is valid only one time without any memory During the capacity self test if the battery maintenance requirement is satisfied the system will generate audible visual alarm and give corresponding records Conditions System load rate within 20 100 battery float charge at least 5h and generator not connected the current system ...

Page 19: ...batteries When connecting batteries the battery terminal voltage will reach 320Vdc 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 th...

Page 20: ... side panel II At last remove top cover III as shown in Figure 2 3 Figure 2 3 Removing side panels and top cover 2 Remove the fixing bolts of the bottom pallet see Figure 2 4 and reserve the fixing bolts Then use the forklift following the inserting direction shown in Figure 2 4 to move the cabinet near the installation place Figure 2 4 Removing bottom pallet 3 After moving the cabinet to the inst...

Page 21: ... concrete or other nonflammable and flat surfaces The ambient environment should be free of conductive powder such as metallic powder sulfide sulfur dioxide graphite carbon fiber conductive fiber etc acid mist or other conductive media strongly ionized substances The environment specifications should comply with relevant international standard specifications and the operating range see Table 11 2 ...

Page 22: ...to 25 C Warning During battery storage periodically charge the battery according to the battery manufacturer instructions In the charge process temporarily connect the UPS to the mains and activate the battery by recharging the battery 2 6 Mechanical Requirement 2 6 1 Moving Cabinet Warning 1 The lifting equipment for moving the UPS cabinet shall have enough lift capacity 2 The UPS has installed c...

Page 23: ...Method 1 Loosen the nuts from bottom to top 2 Rotate the feet down to touch the floor 3 Plug the foot fixing pieces to the feet 4 Align the foot fixing pieces with the installation holes dug according to dimensions shown in Figure 2 7 5 Rotate the nuts from top to bottom till the nuts firmly press the foot fixing pieces and then use the fixing bolts M10 to fix the UPS on the floor Figure 2 6 Schem...

Page 24: ...ure 2 7 Top front side bottom view of the UPS unit mm Bottom view Ф11 foot installation hole 833 1433 Top view door open Right side view 1528 860 Air inlet Front view 600 600 863 192 40 55 219 84 724 115 396 48 224 32 84 Cable access area Air outlet Air inlet Air outlet Left side view ...

Page 25: ... 3 1 Battery cable Each UPS connects to its battery through the three cables connecting to the positive pole negative pole and neutral line 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 Maximum Steady State AC And DC Currents The powe...

Page 26: ...ut 250 250 Battery 994 994 PE terminal 740 740 3 1 6 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 5 times of the output bypass phase current 2 The cable size of the protective earth cable shall be selected according to the AC power failure le...

Page 27: ...alled respectively on the rectifier input and bypass input distribution lines Note The rectifier input and bypass input must use the same neutral line 3 Ground fault protection If the pre stage input power supply has an RCD the transient state and steady state ground leakage current upon the startup of the UPS shall be considered The RCCB shall meet the following requirements Be sensitive to the D...

Page 28: ...revent cable damage due to mechanical stress 2 When routing the cables inside the cabinets it is required to bind and fix the cables as instructed in Figure 3 3 and Figure 3 4 in the cabinets so as to prevent cable damage due to mechanical stress Figure 3 2 Power cable connection terminals N PE mA mB mC N bA bB bC oN oA oB oC Note 1 N battery input terminals 2 PE PE input terminal 3 mA mB mC recti...

Page 29: ...wer cables wiring route top cable access Left top cover Step 1 Remove this left top cover lead cables into cabinet and route cables along left side panel to cabinet base Step 2 Lead cables out from U type hole at the bottom of power distribution frame and connect them to corresponding terminals ...

Page 30: ...e lower left corner to reveal the power cable connection terminals see Figure 3 2 2 Connect the protective earth cable to the PE input terminal in the cabinet Warning 1 The earth cables and neutral line must be connected in accordance with local and national codes of practice 2 Failure to observe this could result in electric shock or fire risk 3 Identify and make power connections for the input c...

Page 31: ...the external battery is required ensure correct polarity of the connections from the battery string terminals to the BCB and from the BCB to the battery input terminals BAT BAT N BAT in the UPS cabinet that is BAT to and BAT to BAT N to N but disconnect one or more battery cell links in each tier Do not reconnect these links and do not close the BCB before authorized to do so by the service engine...

Page 32: ... switch 2 1 EXT_Q3 External maintenance bypas switch state The auxiliary contact requirement of the external maintenance bypass switch Auxiliary contact of external bypass closed upon switch closed 2 2 GND GND External output switch 2 3 EXT_OUT External output switch The auxiliary contact requirement of the external output switch Auxiliary contact of external bypass closed upon switch closed 2 4 G...

Page 33: ...kfeed protection dry contact port may be dangerous Before connection make sure that you are connecting the cable to the right port Figure 3 8 Backfeed protection dry contact port J5 Table 3 7 Description of backfeed protection dry contact port J5 Silkscreen Port Pin No Pin name Meanings J5 Rectifier Bypass backfeed output 5 2 BFP_O Rectifier bypass backfeed normally open contact Open when there is...

Page 34: ...put power To disconnect all power to the UPS open the external power switch bypass input switch output switch and BCB after EPO is activated 3 2 6 RS232 Communication Port See Figure 3 5 for the position of RS232 port RS232 port monitors and sets parameters through connecting with computer The RS232 port provides serial data and is intended for use by authorized commissioning and service personnel...

Page 35: ...3 Intellislot port 3 recommended IS WEBL card Intellislot ports 1 3 Intellislot port 2 recommended Note The Intellislot 1 port shares communication resource with other communication ports To avoid conflict when using other communication ports in service and commissioning it is not recommended to use the Intellislot port 1 3 2 11 Signal Cable Connection Steps Note Respectively route the power cable...

Page 36: ...gh cable trough Step 6 B B amplified view Step 5 Route cables Step 4 Remove this cover board of the transfer terminal block power distribution board Step 1 Remove this cover board and lead cables into cabinet Step 2 Use cable ties to fasten cables onto the cabling mount Step 6 Use cable tie to fasten cable onto the cabling mount next to each port and connect cables to corresponding terminals ...

Page 37: ...ndicator and control keys as shown in Figure 4 1 and as described in Table 4 1 Figure 4 1 Operator control and display panel Table 4 1 Description of components of the operator control and display panel No Function Key Function 1 Alarm indicator Red F1 F5 LCD menu keys 2 Inverter indicator Green FAULT CLEAR Fault reset switch ON Inverter start switch OFF Inverter shutdown switch ALARM CLEAR Alarm ...

Page 38: ... EPO Cut off the load power and battery shut down the rectifier inverter static bypass Inverter start switch ON Start the inverter Inverter shutdown switch OFF Shut down the inverter Fault reset switch FAULT CLEAR Clear fault to restart the UPS Alarm silencing switch ALARM CLEAR When an alarm is active pressing this key silences the audible alarm Pressing this key again enables the buzzer again No...

Page 39: ...ry icons in the keypad window as appropriate From any menu on the primary screen pressing the F1 key returns to the OutPut menu 4 2 3 Default Screen During UPS operation if there is no alarm or key action within two minutes the default screen will appear as shown in Figure 4 4 After a short delay the LCD backlight will turn off Pressing any menu keys F1 F5 restores the default screen F1 F2 F4 F3 F...

Page 40: ... power is 30kVA 16 21 17 Current time format 24 hours hour minute second Audible alarm enabled or disabled disabled enabled Menu window and data window The menu window provides the menus of the data window The data window displays the items of the menu selected in the menu window UPS parameters can be browsed and functions can be set through the menu window and data window Details are provided in ...

Page 41: ...ellislot port 3 Communication address Applicable to RS485 communication Single Group Batt Cap Set the capacity of battery unit Battery Cells Number Set the battery cells connected to the UPS Equalize Charge Allowed Battery boost charge is enabled or not Temp Compensation Enabled Disabled Shared Battery Enabled Disabled System Configuration Single Parallel Parallel Requisite units Basic number of s...

Page 42: ...uire your confirmation Canceling the test will ends the test and transfers the UPS to inverter mode System self test finished everything is OK No action required Please check the current warnings Check the active alarm messages Enter control password Required for battery or UPS test default 12345 Battery Self Test aborted conditions not met Battery self test condition is not met Please check if th...

Page 43: ...Load transfers to bypass Inverter relay fail At least one of the inverter relays is opened or shorted This fault is locked until mains power off Output fuse fail At least one of the inverter output fuses is blown Output volt abnormal At least one phase of the output voltages is abnormal Unit overload This alarm appears when the load arises above 105 of the nominal rating The alarm automatically re...

Page 44: ...ttery period testing The battery is under automatic periodic battery maintenance test 20 capacity discharge Batt capacity testing The user initiated a battery capacity test 100 capacity discharge Battery maintenance testing The user initiated a maintenance test 20 capacity discharge Battery end of discharge Inverter turned off due to battery EOD Battery overtemp The battery temperature is over lim...

Page 45: ...or Control And Display Panel 2 During operation the buzzer alarm may occur at any time Press ALARM CLEAR key to silence the audible alarm 3 When UPS uses traditional lead acid battery the system provides boost 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 v...

Page 46: ...bypass switch Q3 is disconnected and switch Q6 is closed while the input cables and copper bars are reliably connected Warning All operations relating to disconnect or close the switch of maintenance bypass switch shall be finished within three seconds in case of misreporting as faults 2 Close the bypass input switch Q2 rectifier input switch Q1 output switch Q5 and all external output isolating s...

Page 47: ...en the rectifier starts up and the alarm indicator red is on At the same time the bypass static switch is closed About 30 seconds later the alarm indicator red is flashing then the rectifier startup is finished 3 Press the ON key for two seconds The inverter starts up and the inverter indicator green is flashing At this time the UPS is in ECO mode and powered by the bypass UPS operated in ECO mode...

Page 48: ... the UPS from inverter output mode to the maintenance bypass mode Caution power supply interruption danger of the load Before making this operation read the information on the LCD to make sure that the bypass supply is normal and that the inverter is synchronous with the bypass supply so as not to risk a short interruption in power to the load 1 Press the OFF key at least two seconds At this point...

Page 49: ...the UPS maintenance is suitable for qualified personnel only 5 3 5 Transfer From Maintenance Mode To Normal Mode The following procedures will transfer the maintenance bypass supply mode of the UPS to the normal mode 1 Open the front door close the neutral line switch Q6 2 Close the output switch Q5 3 Close the bypass input switch Q2 4 After the LCD startup the system will transfer to the Event me...

Page 50: ...ged state battery float charge at least 5h and generator not connected 3 Current system is in float charge state Self test exit conditions 1 Confirm that the system is not in self test state at least 10 seconds and satisfies the following conditions in battery mode or rectifier is closed and then the system will shift to battery supply state 2 During the self test the system will shift to float ch...

Page 51: ... UPS no longer supplies power to load Caution The following procedures will cut off the load power making the load completely power off 1 Pressing the EPO button stops the operation of rectifier inverter static switch and battery 2 If the UPS has internal battery use the special tool to open the battery compartment door then pull the three terminals BAT BAT and BAT N see Figure 5 3 for details If ...

Page 52: ...n Note 1 The rectifier will start and the bypass will begin to power the load The rectifier indicator flashes while the rectifier is starting up When the rectifier enters normal operation about 30 seconds later the rectifier indicator turns solid green 2 The rectifier will start automatically when the overtemperature fault disappears five minutes after the disappearance of overtemperature signal 3...

Page 53: ...the date and time and press the F5 enter key to confirm 5 Use the F3 up or F4 down key to input the current date and time 6 Press the F5 enter key to confirm and press the F2 ESC key to return to the OutPut menu 5 12 Control Password The system provides password protection for UPS operation and control The default password is 12345 Only enters the correct password can you execute the UPS self test...

Page 54: ...ety Take special care when working with the batteries associated with the UPS When all the blocks are connected together the battery string voltage can be up to 432Vdc This is potentially lethal Please follow the precautions for high voltage operation Only qualified personnel are allowed to install and maintain the battery To ensure safety the external batteries are to be installed inside a lockab...

Page 55: ...ery 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 duste...

Page 56: ...o 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 6 4 Precautions For Install...

Page 57: ...rging voltage which is usually 490Vdc according to the rated input output voltage of the UPS to ensure that the expected cell float charging voltage is 2 27V The number of batteries EOD voltage and 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 192 240 PCS EOD voltag...

Page 58: ... 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 total 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 ...

Page 59: ...1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W63 DOWN W62 UP W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W63 DOWN W62 UP W65 BAT BOX W62 UP Battery tray 3 Battery tray 4 Battery tray 5 W66 BATN BOX PP75 terminal of W63 connects to PP75 terminal of W62 PP75 terminal of W63 connects to PP75 terminal o...

Page 60: ...st 1m wide Wiring All the wiring distances shall be minimized BCB The BCB is generally installed in the wall mounted box near the battery W44 BAT BOX W42 UP W38 CROSS4 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W39 CROSS1 W...

Page 61: ...ng the maintenance The box inside has connection bars for connecting the power cables from the UPS and batteries Note The signal cables from the UPS to the BCB control board must be routed in a separate cable trough and separated from battery power cables The separate safety earth must be connected between the UPS and BCB box The BCB box is provided as follows according to different UPS rated powe...

Page 62: ... BCB from the UPS Normal high level BCB closed Abnormal low level BCB open IN AUX FB IN Auxiliary contact of BCB contact off means BCB off Normal 0V BCB closed Abnormal open BCB open GND1 GND Signal ground GND1 to GND External battery string UPS Battery N Communication J4 GND FB DRV BCB UV 220Vdc Auxiliary X100 OUT P OUT N AUX1 AUX2 BCB control board X103 X104 X105 X106 X101 X108 X102 GND1 AUX DRV...

Page 63: ...ximum battery discharge current at full load A 88 116 Reference rated current of BCB A 160 36 block battery Maximum battery discharge current at full load A 82 108 Reference rated current of BCB A 160 38 block battery Maximum battery discharge current at full load A 76 101 Reference rated current of BCB A 160 40 block battery Maximum battery discharge current at full load A 72 95 Reference rated c...

Page 64: ...ution control The storage transportation use and disposal of the battery shall comply with the national and local laws and regulations on dangerous waste 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 disp...

Page 65: ...ctor should be inserted in the static bypass line This can be installed internal to the UPS as an option 7 2 System Installation Procedures The basic installation procedure of a parallel system comprising two or more UPS modules is the same as that of single module system This section only introduces the installation procedures specific to the parallel system The installation of a parallel UPS sho...

Page 66: ...l cables available in lengths 5m 10m and 15m must be interconnected in a ring configuration between the UPS modules as shown in Figure 7 2 Method connect a module parallel cable from its PARA1 port to the PARA2 port of another module Follow this method to connect other parallel cables The ring connection ensures the reliability of the control of the parallel system Be sure to verify the reliable c...

Page 67: ...y Open type and the lower one is Normally Closed type 7 3 Operation Procedures For Parallel System Warning If UPS input uses 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 RCCB respectively Only one step is needed for once and only after finishing this opera...

Page 68: ...0 seconds later the alarm indicator red is flashing then the rectifier startup is finished After all the rectifiers startup of the UPSs is finished the alarm indicators red are flashing 4 For each UPS press the ON key for two seconds The inverter starts up and the inverter indicator green of each UPS is flashing After all the UPS inverter indicators turn solid green the whole UPS system will power...

Page 69: ... System Important These procedures shall only be carried out by service personnel of Emerson or under their guidance Warning Before operation confirm that the system capacity has redundancy to avoid system shutdown due to overload The following procedures apply when one UPS module must be isolated from the parallel system for repair due to serious fault 1 Pressing the EPO button stops the operatio...

Page 70: ...ution The following procedures will cut off the load power making the load completely power off 1 Pressing the EPO button of each UPS stops the operation of rectifier inverter static switch and battery 2 If the UPS has internal battery use the special tool to open the battery compartment then pull the three terminals BAT BAT and BAT N see Figure 5 3 for details If the UPS has external battery disc...

Page 71: ...t load an STS can be installed to feed power to the load The system uses the LBS cables to keep the output of the two independent or parallel UPS systems in synchronization One system is designated as the master the other is designated as the slave The operation modes of the parallel system comprise master and or slave operation in normal or bypass mode Place the UPS modules side by side and inter...

Page 72: ... 1 Wiring Of Power Cable 7 4 4 LBS Cable The shielded and double insulated parallel cables are available in lengths 5m 10m and 15m Connect the two optional LBS cables in a ring configuration from the LBS1 port of one UPS module to LBS2 port of another UPS module and from the LBS2 port of one UPS module to LBS1 port of another UPS module as shown in Figure 7 6 and Figure 7 7 Figure 7 6 Connection o...

Page 73: ...0kVA And 40kVA UPS User Manual Figure 7 7 Connection of typical LBS system parallel system UPS 1 UPS 2 UPS 3 UPS 4 LBS cable Parallel cable LBS 1 PARA 1 LBS 2 PARA 2 LBS 1 LBS 2 PARA 1 PARA 2 LBS 1 LBS 2 PARA 1 PARA 2 LBS 1 LBS 2 PARA 1 PARA 2 Parallel cable ...

Page 74: ...e Available in 5m 10m 15m 8 2 Opertion Introduction 8 2 1 Bypass Load Sharing Inductor Kit Install the bypass load sharing inductors for the parallel system comprised of two or more UPS modules to ensure the bypass output load sharing for the parallel system The bypass load sharing inductor is used to compensate the impedance differentia between SCR and cable See Table 8 2 for the specifications T...

Page 75: ...ved screws 3 Install the three bypass load sharing inductors see Figure 8 2 Figure 8 2 Position of bypass load sharing inductors There are 12 installation holes on the base plate of the UPS cabinet for fixing the three inductors four installation holes for each inductor Place the three inductors in the installation positions shown in Figure 8 2 and fix them on the base plate of the UPS cabinet wit...

Page 76: ...o fasten the terminals The torque value is 4 8N m Then respectively connect the other end of W60 and W57 to the transfer terminal bA in UPS cabinet and the corresponding cabling hole Q2 2 of bypass input switch Q2 Refer to inductor 1 for the detailed connection method of inductor 3 5 Replace the left side panel and close the front door of the UPS W62 BPLO bC W59 BPLI bC W61 BPLO bB W58 BPLI bB W60...

Page 77: ...rnal battery kit factory installation or select the battery cable battery tray and battery fuse site installation Preparation 1 Prepare the installation tools including a cross head screwdriver a pair of insulated gloves a sleeve and an adjustable spanner 2 Check that all installation materials are present and complete including internal battery four battery trays and corresponding battery power c...

Page 78: ... spanner and sleeve to connect the battery cables After all the batteries are placed into the battery trays lead the connection terminals between battery trays 4 According to Figure 8 5 insert the trays with batteries installed into the battery compartment one by one and ensure the No 1 No 5 battery trays correspond to No 1 No 5 layers from top to bottom of the battery compartment otherwise the ba...

Page 79: ...and connect the negative terminal of battery tray 5 to cabinet negative terminal BAT Red Black N Layer 2 W57 W55 Front view Battery tray 3 BAT N BUS Back view W56 BAT BUS BAT BUS W55 W64 W56 W66 W65 W57 32 block battery W66 BATN BOX Layer 3 Layer 4 Layer 5 BAT BAT BAT Red Black Black Black N BAT N BUS W36 W37 W35 BAT BUS BAT BUS W35 W44 W46 W36 W45 W37 W46 BATN BOX Layer 2 Layer 3 Layer 4 Layer 5 ...

Page 80: ...y room This prevents the battery being over charged at high ambient temperatures Preparation 1 Prepare the installation tools including a cross head screwdriver 2 Check that all installation materials are present and complete including a battery temperature sensor a UF RS485 card Procedures Warning 1 Connect the cables strictly following the instructions Failure to observe this may cause damage to...

Page 81: ...on and connection of the battery temperature sensor Figure 8 8 Installation and connection of battery temperature sensor 5 Wiring according to Figure 8 8 pack the cables in order Note that the cables should be routed separately from the power cables to avoid EMI 8 2 4 Seismic Anchor Kit The UPS provides seismic anchor kits to avoid and reduce the damage to UPS caused by earthquake or vibration See...

Page 82: ...our adjustable feet on the bottom as shown in Figure 8 9 Figure 8 9 Removing adjustable feet 2 Use four M16 50 sems screws to install seismic anchor 1 and seismic anchor 2 on the rear bottom of the UPS cabinet as shown in Figure 8 10 Figure 8 10 Installing seismic anchor 1 and seismic anchor 2 3 Use four M16 50 sems screws to install seismic anchor 3 on the front bottom of the UPS cabinet as shown...

Page 83: ...n and replacement The inspection and replacement intervals are related to the environmental conditions of the UPS See Table 8 4 for dimensions of the four air filters The life parameters and recommended replacement time of the air filter is listed in Table 10 1 and the replacement method of the air filter is shown in 10 2 2 Replacement Of Air Filter Table 8 4 Dimensions of air filter UPS kVA Dimen...

Page 84: ...WEBL card are sensitive to static therefore do not touch the electron components or circuit in IS WEBL card by hand or other conductive materials so as to protect the IS WEBL card against static shock When removing or installing the IS WEBL card hold the card side edge to operate it The IS WEBL card should be installed in the Intellislot port see Figure 3 5 in the UPS See Table 3 9 for installatio...

Page 85: ...n Battery power Utility OK 10 Signal Ground Use for UPS Any Mode Shutdown 11 Signal Ground Use for UPS Any Mode Shutdown 12 UPS Any Mode Shutdown Turn UPS output Off when shorted to Pin 10 or 11 13 Summary Alarm Closed if no alarm conditions are present 14 Summary Alarm Closed if Summary Alarm occurs 15 Common Summary Alarm 16 On UPS Closed if On UPS inverter power 17 On Bypass Closed if On Bypass...

Page 86: ...lt types to achieve UPS monitoring For more information of the IS 485L card refer to the Liebert IntelliSlot Modbus 485 Modbus IP And BACnet IP Reference Guide in accessory The installation method of the IS 485L card is the same as that of the IS WEBL card described in 8 2 6 IS WEBL card Refer to 3 2 11 Signal Cable Connection Steps for the cabling and routing of the signal cables 8 2 9 BCB Box Re...

Page 87: ...nt system NMS You can use NMS to monitor your intelligent equipment and equipment room environment through the SNMP function provided by the IS WEBL card 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 IS WEBL card The IS WEBL ...

Page 88: ... 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 Input dry contact port Output dry contact port EPO input port For the functions and detailed information of these ports refer to 3 2 Wiring Of Signal Cable ...

Page 89: ... Components Key components in Table 10 1 are used in the UPS system 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 10 1 Life parameters and the proposed replacement time of key components Key components Estimated life Proposed replacement time Proposed inspection period Fan Not les...

Page 90: ...st 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 th...

Page 91: ... standards for safety IEC EN AS60950 electromagnetic emission and immunity IEC EN AS61000 series and construction IEC EN AS60146 series and 60529 11 2 Environmental Characteristics Table 11 2 Environmental characteristics Item Unit Rated power kVA 30kVA 40kVA Noise within 1m in the front dB A 56 58 Altitude m 1000 derate power by 1 per 100m when above 1000m Relative humidity RH 0 95 non condensing...

Page 92: ...nput voltage 400V battery fully charged 11 5 Electrical Characteristics Intermediate DC Circuit Table 11 5 Battery Item Unit Rated power kVA 30kVA 40kVA Quantity of lead acid blocks Block 32 34 36 38 40 12Vdc Float voltage V cell VRLA 2 27 selectable from 2 2V cell to 2 3V cell Constant current and constant voltage charge mode Temperature compensation mV C cl 3 0 selectable from 0 to 5 0 around 25...

Page 93: ... change the system frequency when the UPS is on inverter 3 EN 50091 3 1 4 58 crest factor 3 1 non linear load 4 IEC 62040 3 EN 50091 3 also for 0 100 0 load transient Transient recovery time return to within 5 of steady state output voltage within half a cycle 11 7 Electrical Characteristics Bypass Input Table 11 7 Bypass input Item Unit Rated power kVA 30kVA 40kVA Rated AC voltage1 Vac 380 400 41...

Page 94: ...ncy Normal mode 100 load 94 7 94 4 75 load 94 8 94 7 67 load 94 8 94 7 50 load 94 6 94 8 33 load 93 5 94 3 25 load 91 7 93 6 ECO mode 98 4 98 4 Loss Normal mode no load kW 1 116 1 116 Normal mode full load kW 1 620 2 240 Note 400Vac input and output battery fully charged full rated linear load ...

Page 95: ...The crossed out wheelie bin symbol on the right is placed on this product to encourage you to recycle wherever possible Please be environmentally responsible and recycle this product at your local recycling facility at its end of life Do not dispose of this product as unsorted municipal waste Follow local municipal waste ordinances for proper disposal provisions to reduce the environmental impact ...

Page 96: ...of discharge EPO Emergency power off I O Input output IGBT Integrated gate bipolar transistor LBS Load bus synchronizer LCD Liquid crystal display LED Light emitting diode PC Personal computer PE Protective earth RCCB Residual current circuit breaker RCD Residual current detector SCR Silicon controlled rectifier SNMP Simple network monitoring protocol STS Static transfer switch SVPWM Space vector ...

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Liebert NXC 30kVA, User Manual

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