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Liebert ITA UPS 16kVA/20kVA User Manual

1. PE em fo fa oO HL o le S r I DSUS Os oO oO i oh l O O HOOI E D Q JODIDO OO S aJ FS y ia 10 m H ea pra ey AA a de h E AE er y T E T ope TE I 10 10 E Lor Tome 1 ort TOM ETT uor 1 r Figure 2 11 Shorted copper bar 10 for PE terminals of the UPS I O terminal block e 3 in 1 out split bypass configuration 1 Short the terminal bA bB and bC of the single POD user terminal block using the shorted copper bar 7 short the terminal oA oB and oC using the shorted copper bar 5 and then short mN and bN terminals two oN terminals respectively using two shorted copper bars 4 as shown in Figure 2 12
2. Figure 2 13 Shorted copper bar connection for the UPS I O terminal block 2 Connect the shorted copper bar 8 to one end of the shorted copper bar 7 see Figure 2 13 and connect the live line input phase A to the shorted copper bar 8 3 Connect the live line input phase B phase C N line PE line respectively to mB and mC terminals of the UPS I O terminal block shorted copper bars 4 of mN and bN terminals and one screw hole of the shorted copper bar 10 4 Connect the live line output phase A N line and PE line respectively to the shorted copper bar 5 of the UPS I O terminal block shorted copper bars 4 of the two oN terminals and the other screw hole of the shorted copper bar 10 e 3 in 1 out split bypass configuration 1 As shown in Figure 2 10 you can paste the insulating film accessory to the shorted copper bar 10 and insert the buckles into the corresponding holes on the shorted copper bar 10 2 Short two PE terminals of the UPS I O terminal block using the shorted copper bar 10 with insulating film short the terminal bA bB and bC using the shorted copper bar 7 and short the terminal oA oB and oC using the shorted copper bar 5 and then short mN and bN terminals and two oN terminals using
3. ED e I JE T HEE I I 1 Hi A A AA e e Qu Note 1 Main input mA mB mC mN Bypass input bA bB bC bN Output oA oB oC oN Battery Bat Bat N Bat GND PE 2 In factory four shorted copper bars 3 have been used to short terminals between mA and bA mB and bB mC and bC mN and bN respectively Figure 2 7 Terminals distribution of the I O terminal block Liebert ITA 16kVA 20kVA_ User Manual Chapter 2 Installation 13 When using the single POD options the UPS power cables should be connected through the user terminal block of the single POD rear panel UPS terminal block and PE terminals The terminal distribution of each terminal block on the POD rear panel and the PE terminals are shown in Figure 2 8 User terminal block oN oN oA oB oC mN
4. 2 Se a a 7 3 es 5 OHONNO olollo lolollolo ol Ge A pe o AE 5 04 SBHIo ON ON oA oB oC mN bN mA bA mB bB mC bC TT fallolo ojoljo ofollo olollolo ojojo la J o o o y bt a y ds i El H N H H H M a o o o PE PE oN oN 0A oB oC mN bN mA bA mB bB mC bC IK PE PE Figure 2 12 Shorted copper bar connection for the single POD user terminal block 2 Connect the live line main input phase A phase B phase C N line and PE line respectively to terminal mA mB and mC of the single POD user terminal block shorted copper bars 4 of mN and bN terminals and PE terminals 3 Connect the shorted copper bar 8 to one end of the shorted copper bar 7 see Figure 2 12 and connect the live line bypass input phase A to the shorted copper bar 8 4 Connect the bypass input N line to terminal mN of the single POD user terminal block and the shorted copper bar 4 of bN 5 Connect the live line output phase A N line and PE line respectively to the shorted copper bar 5 of the single POD user terminal block shorted copper bars 4 of the two oN terminals and PE terminals 6 Remove all the shorted copper bars 3 from the UPS I O terminal block and connect the UPS terminal block of the single POD with the same silk screen terminal of the UPS I O terminal block using the one to one correspondence method 7 As shown in Figure 2 10 you can paste the insulating film accessory t
5. a oro ge WE lo IE CE E Jf JE iT SSS Seo H H a Dry contact I O port USB port Ventilation holes Figure 1 2 UPS rear panel Liebert ITA 16kVA 20kVA User Manual Chapter 1 Product Introduction 3 1 4 1 5 1 5 1 1 5 2 Operating Principle The operating principle of the UPS is shown in Figure 1 3 Bypass Ce I O filter Rectifier PFC gt Inverter gt Mains Y Output DC DC charger Y Battery GND GND Figure 1 3 Operating principle 1 The UPS is composed of mains input 1 O filter rectifier PFC DC DC charger inverter bypass battery and UPS output 2 When the mains is normal the rectifier will start and the DC DC charger will charge the battery strings Before turning on the UPS the output voltage is the bypass voltage After turning on the UPS the electronic transfer switch connects the inverter to the load and the mains supplies DC power to the inverter through the
6. 2 Connect the live line output phase A phase B and phase C N line and PE line respectively to the user terminal block terminal oA oB oC and ON of the single POD and PE terminals 3 Remove all the shorted copper bars 3 from the UPS I O terminal block connect the UPS terminal block of the single POD with the same silk screen terminal of the UPS I O terminal block using the one to one correspondence method and connect the two PE terminals of the UPS I O terminal block to the single POD terminals e 3 in 3 out split bypass configuration 1 Remove all the shorted copper bars 3 from the single POD user terminal block 2 Connect the live line main input phase A phase B and phase C N line and PE line respectively to the user terminal block terminal mA mB mC and mN of the single POD and PE terminals 3 Connect the live line bypass input phase A phase B and phase C N line and PE line respectively to the user terminal block terminal bA bB bC and bN of the single POD 4 Connect the live line output phase A phase B and phase C and N line respectively to the user terminal block terminal oA oB oC and ON of the single POD user terminal block 5 Remove all the shorted copper bars 3 from the UPS I O terminal block connect the UPS terminal block of the single POD with the same silk screen terminal of the UPS I O terminal block using the one to one correspondence method and connect the two PE terminals of the UPS I O termi
7. Y Bypass Rectifier input UPS1 UPS2 Rectifier input Rectifier input UPS1 UPS2 Rectifier input i i i i i i i i 1 1 1 f 1 1 1 1 L I 1 1 1 1 1 1 i 1 1 I 1 i 1 i F i a i EIA t 1 ny i EA i H i i pics ae Gre oie A Parallel a sl Parallel AS AS 1 Ne Ne 1 Ne 1 N AS i z4 control E i cd E control a E A een doable a eo HESH oo sobe b ea Coo STS Eo a Y NS DR D N y Load connection Figure 2 20 Typical double bus system with the STS and LBS 2 10 2 External Protective Device See 2 5 External Protective Device 2 10 3 Power Cables See 2 6 Connecting Power Cables 2 10 4 LBS Control Cables Just connect the LBS cables respectively to any two LBS ports see Figure 1 2 of the two parallel systems Liebert ITA 16kVA 20kVA User Manual 24 Chapter 3 Operation And Display Panel Chapter 3 Operation And Display Panel This chapter introduces the functions and use of the components on the UPS operation and display panel and provides LCD display information including the LCD screen types detailed menu messages prompt windows and UPS alarm message list 3 1 Introduction The operation and display panel is located on the front door of the UPS Through the operation and display panel you can conduct the UPS operation control and query all the UPS parameters UPS and battery states and alarm message As shown in Figure 3 1 the operation and display pane
8. ON ON ON ON DIP switch position E EHEHE E E E DIP1 DIP2 DIP3 DIP4 DIPS DIP1 DIP2 DIP3 DIP4 DIPS DIP1 DIP2 DIP3 DIP4 DIP5 DIP1 DIP2 DIP3 DIP4 DIPS The default setting for DIP switch is 1 you can set the DIP switch to 2 3 or 4 However you should set the DIP switch position according to the descriptions listed in Table 2 5 Otherwise the UPS fault will be caused 2 8 3 Connecting Parallel Cables The parallel system provides the parallel cable options Through the parallel ports see Figure 1 2 on the UPS rear panel the parallel cables are connected in close loop mode one by one Taking the 3 1 parallel system for example the schematic diagram of the parallel cables connection is shown in Figure 2 19 UPS1 UPS2 UPS3 UPS4 Parallel cable Parallel cable J Parallel Parallel Parallel Parallel port 1 port 1 port 1 port 1 Parallel cable Parallel Parallel Parallel Parallel port 2 port 2 port 2 port 2 Parallel cable Parallel cable Figure 2 19 Parallel cables connection schematic diagram 3 1 parallel system 2 8 4 Connecting 1 1 Parallel POD Cables Connecting 1 1 parallel POD cables includes connecting cables between the UPS and 1 1 parallel POD and connecting input and output cables of the 1 1 parallel P
9. screen 1 1 S_ALARM The signal level is 12V when the system alarms 1 Output port of alarm 1 2 GND GND The signal level is 12V when the system runs in batter Output port of battery 2 1 ON_BATTERY gt S gna tevel N y es y 2 inversion mode status 2 2 GND GND 3 Output port of bypass 3 1 ON_BYPASS The level is 12V when the system runs in bypass mode status 3 2 GND GND 4 1 EPO_NC EPO activated when opened to 4 2 4 Input port of remote 4 2 12V EPO activated when opened to 4 1 EPO 4 3 12V EPO activated when shorted to 4 4 4 4 EPO_IN EPO activated when shorted to 4 3 51 BFP O Bypass reflected protection relay normally open the bypass i T SCR will close when short circuit appears Output port of bypass i x 5 reflected 5 2 BFP_S The middle point of the bypass reflected protection relay 53 BFP C Bypass reflected protection relay normally open the bypass i 3 SCR will open when short circuit appears Note Pin1 and pin2 or pin3 and pin4 of the dry contact port 4 reserves the corresponding terminals for configuring the EPO function The external EPO device also needs the shielded cable to connect to the normally open close remote EPO switch between the two terminals If not necessary you should disconnect pin3 and pin4 of the dry contact port 4 or short pin1 and pin2 of the dry contact port 4 Pin1 and pin2 of the dry contact port 4 have been shorted before delivery Liebert ITA 16kVA 20kVA User Manual Chapter 2 Installation
10. 10 2 External Protective Device viii A a a ee 23 2 10 3 Power Cables ooococconnconncnnncnonnncnconccnncn nc 23 2 10 4 EBSIGONIONCAbDIES iaa A ees 23 Chapter 3 Operation And Display Panel ccccccccssscssssecsssecesseeeesseeeseeessseeesueessseeeesseeeseseeseaeseseescsaeessaeeessaeeseeeeeneaeesses 24 A UN 24 JAM LED INICIA 24 3 12 Audible Alar BUZZ e e ae Se o 24 3 1 3 Gontrol BUON S era A A Ree A 25 3 1 4 LCD And MenuiButtons ici AA A a a ES 25 3 2 LED Screen I pes tr 28 tesa do e ls e a ll dl a a de ds denso lali 25 IZA MESA eS 25 3 2 2 UL LAO LL nesesario steeds wtdaded ea EEEE a geteedee eves toe dees get dade EER E 26 3 23 Default SCheen cis seis Roa A ee 26 3 3 Detailed Description Of Menu Items cccccescessseeesseeecseeeeseeessseeesaeeeceeeeseseeesaeeseueeesseeeseseceeesseeseseeesseeese 27 3 4 Prompt WiNdOW ooccccccnnnnccccccnnnncccncnonn cnc RARE RR RARE RR RR RR nn nnnnnn ran nannnnes 29 3 5 UPS Alanm Message id A aa 29 Chapter 4 UPS Operation InStructiONS S n mienie e A RI ron nr nan nr nono A ES 32 4A UPS Startup A ANA 32 4 1 1 Normal Module Start up ProCedure ccccccccccsscecsseeceneeceseeecseeecseeeccseeecseeeeeseeecseeesseeeeeeeseseessseeeeseeens 32 4 1 2 Battery Module Start Up Procedure ccccccccsscecsseecsseecsnseccsseeecseeecseeeceseescseeeceeeecsseeeseeeesseseseeenteeesseeens 32 4 2 Transferring Procedures Between Operation Modes ccccccsccesssececseeceseeecseeecseeeesseee
11. 2 2 Installation complete For tower installation two pairs of support bases should be placed respectively at both sides of the UPS as shown in Figure 2 2 Otherwise the UPS may be dumped Liebert ITA 16kVA 20kVA User Manual Chapter 2 Installation 9 2 4 2 Rack Installation Installation procedures for battery modules excluded 1 Take out eight M4 10 screws and fix two brackets accessories respectively on both sides of the UPS front panel as shown in Figure 2 3 3 A Screw 8 pcs Figure 2 3 Installing brackets Ave Moving the UPS through brackets is prohibited 2 Place the UPS onto the guide rails in the rack and push it completely into the rack Take out four M6 16 screws to fix the UPS on the rack through brackets as shown in Figure 2 4 Guide rail UPS Bracket a Screw 4 pcs Figure 2 4 Installing the UPS Installation procedures for battery modules included The installation method of the battery module is the same as that of the UPS Repeat the above procedures to install and fix the four battery modules and UPS on the rack one by one As the battery module is heavy you should pay attention to the following items in installation e Two persons or more are required for the installation O First install the battery module then start the installation from the bottom and place the UPS onto the top as shown in Figure 2 5 e Moving the
12. 55 C battery included condition Relative humidity 5 RH 95 RH non condensing Altitude lt 2000m derating in accordance with GB T3859 2 when higher than 2000m Size WxHxD 435mm x 130mm x 750mm Net weight 35k Weight o9 9 Gross weight 38kg Liebert ITA 16kVA 20kVA User Manual 6 Chapter 2 Installation Chapter 2 Installation This chapter introduces the UPS installation Each site has its peculiarities so this chapter provides the guidance with general installation procedures and methods for the installing engineer who should conduct the installation according to the actual conditions AN AN Warning Professional Installation The UPS equipment should be installed by a qualified engineer in accordance with the information contained in this chapter If any problem is found please get in touch with Emerson local service center immediately Approved by the commissioning engineer the UPS can be powered on JN oe 3 phase 5 line for power supply input The UPS can be connected to 3 phase 5 line A B C N PE TN TT and IT AC power distribution system IEC60364 3 AM Warning Battery Hazards Special care should be taken into account when installing the battery When connecting the battery the voltage of the battery terminal will exceed 400Vdc hazardous voltage o Eyeshade should be worn to prevent injury from accidental electric arcs o Remove rings watches and all metal objects o Use tools with insulated handle
13. ISOLATE THE UNINTERRUPTIBLE POWER SYSTEM BEFORE WORKING ON THIS CIRCUIT AN AN Maintainable Components All equipment maintenance and servicing procedures involve internal should be carried out only by trained personnel Removal of devices behind the protective cover requires the use of a tool and is restricted to service personnel The UPS meets the safety requirements completely in operator access area Only the service personnel can contact with the hazardous voltage inside the UPS However the risk of contacting with these voltages is minimized as the components with hazardous voltage may be contacted only uses a tool to remove the protective cover No risk exists to any personnel when operating the equipment in normal manner following the recommended operation procedures AN AN Battery voltage exceeds 400Vdc Tools or keys should be used for all batteries maintenance which should be carried out by trained personnel Battery use requires special care After the battery is connected the voltage of the battery terminal will exceed 400Vdc and physical contact would be fatal Battery manufacturers supply details of the necessary precautions to be observed when working on or in the vicinity of the battery strings These precautions should be followed implicitly at all times Particular attention should be paid to the recommendations concerning local environmental conditions and the provision of protective clothing first aid and fire fighting
14. and connect the live line input phase A to the shorted copper bar 8 3 Connect the live line input phase B phase C N line and PE line respectively to mB and mC terminals of the single POD user terminal block shorted copper bars 4 of mN and bN terminals and PE terminals 4 Connect the live line output phase A N line and PE line respectively to the shorted copper bar 5 of the single POD user terminal block shorted copper bars 4 of the two oN terminals and PE terminals 5 Remove all the shorted copper bars 3 from the UPS I O terminal block and connect the UPS terminal block of the single POD with the same silk screen terminal of the UPS I O terminal block using the one to one correspondence method 6 As shown in Figure 2 10 you can paste the insulating film accessory to the shorted copper bar 10 and insert the buckles into the corresponding holes on the shorted copper bar 10 Shorted copper bar 10 Insulating film Assembling Completion status Figure 2 10 Pasting insulating film to shorted copper bar 10 7 As shown in Figure 2 11 you can short two PE terminals of the UPS I O terminal block using the shorted copper bar 10 with insulating film and connect two screw holes of the shorted copper bar 10 to the PE terminals of the single POD Liebert ITA 16kVA 20kVA User Manual Chapter 2 Installation 15
15. comes directly from the mains input if the rectifier is normal the internal charger will charge the battery In Bypass mode the inverter indicators are off In the event of the mains failure or mains voltage exceeds the specifications in Bypass mode the UPS will shut down and stop the output Liebert ITA 16kVA 20kVA_ User Manual 4 Chapter 1 Product Introduction 1 5 3 Battery Mode Upon mains failure rectifier overload or mains voltage exceeds the specifications the rectifier and internal charger will become inoperative and the battery will supply power to the load through the inverter The inverter indicators are on and the buzzer alarms which notifies you that the UPS is in Battery mode A 1 The battery has been fully charged before delivery However transportation and storage will inevitably cause some charge loss Therefore it is required to charge the battery for eight hours before putting the UPS into operation so as to ensure the adequate stand time for battery 2 Battery cold start can also be used to start the UPS from the Battery mode charged upon mains failure Therefore the battery power supply can be used independently for improving the system availability to some extent 1 5 4 ECO Mode For Single System Only In ECO mode the load is powered by bypass when the bypass voltage is normal and the load is powered by inverter when the bypass voltage is abnormal ECO mode is an energy saving operatio
16. facilities Contents Chapter1 Product Into dUCIO a a edad i n 1 VELLO US ti A AAA A A Gh lamer E ASA 1 1 2 Model ConfiguratiON ici aaa Ea 1 1 3 Appearance And Component ccccccccsscesseeecesseeceeeesseeeesseeeeeeeesseeecseeeseseeeeseecsaeesesseeesseecsaeesseaeesseesesteesetaeeses 2 TSA APPOALANCS ini 2 1 3 2 COMPONENTS x sees see eee cea ea a Se Ee a eed E ads 2 14 Operating Principles seso dedetiepar e A A A ASADA 3 1 5 UPS State And Operation Mode aia 3 1 51 Normal Mode hi A aes OA ee a a eee eel 3 15 2 Bypass Mode seats A E 3 1 5 3 Batlery Mode io AA ae warns oa aaa aan dia waa eee ee 4 1 5 4 ECO Mode For Single System Only oooooooconocononococooocncanononancnnoonnnonnononnnnnnno nono nn ncnnnnnnnn nn nro nnnnnn nino rnrannnnanns 4 A A A A A UA 4 1 60 Specifications 0 a e a a aa e A aaa eaaa 5 Chapter 2 Installation A A A A A A AAA 6 21 Unpacking Inspection iia erica 6 DILO Ni A A A oe ee lave 6 2 2 1 Distribution ROOM ooooconcccnoncccnnnccnoncncnorcncn nn cc nan nr cnc cnn nn 7 2 22 Battery ROM A A a 7 o AAA OA 7 2 3 Installation t lS iia heed ea 7 2 4 Mechanical Installation A A ie 8 2 4 1 Tower Installation eecceeeseeeeneeeeeneeeeeneeeeaeeeeeaeeeeaaeeeeaaeeseaaeeeaeeesaaeeseaeeeseaeeesaaeeseaeeseaeeeseaeeseiaeesseeeseieeesenes 8 24 2 Rack Instala coord ee ia 9 2 5 External Protective DEVICE ici Adan 10 2 5 1 Rectifier And Bypass Inputtidg oocoonocccnoncccnoccnonococononnnonrcnc
17. to be equipped with positive and negative batteries Each group ranges from 15 cell to 20 cell and 12V for each cell Connection procedures for battery cables are as follows 1 Confirm that all UPS external I O switches are open 2 Connect the battery cables O Selected battery modules 4 pcs 1 Take out a battery cable option from the battery module insert the battery cable which marked with Battery Module 1 Battery Module 2 Battery Module 3 and Battery Module 4 respectively into any battery port on the rear panel of the four battery modules see Figure 2 2 Ground one end of the battery cable which marked with UPS PE 3 Connect the other end of the battery cable which marked with BAT BAT N BAT respectively to the terminal Bat Bat N Bat of the UPS I O terminal block see Figure 2 7 4 Tighten the fixing screws on both battery port sides of the battery module through screwdriver so as to prevent the battery cable from loosing or coming off O Non selected battery modules Connect the external battery with terminal N and respectively to the terminal Bat Bat N Bat of the UPS I O terminal block see Figure 2 7 Liebert ITA 16kVA 20kVA User Manual 18 Chapter 2 Installation Awe 1 It is prohibited to reverse the positive pole and negative pole of the battery 2 Before replacing the
18. 19 The EPO action of the UPS will close the rectifier inverter and static bypass but it can not disconnect the UPS mains input inside If you want to disconnect the UPS completely just disconnect the upstream input switch before generating the EPO 2 7 2 Connecting USB Communication Cable Insert one end of the USB communication cable accessory into the USB port on the UPS rear panel see Figure 1 2 and insert the other end of the USB communication cable into the USB port of the computer 2 7 3 Connecting SNMP Card Communication Cable The UPS provides the installation communication components of the SNMP card port see Figure1 2 including SNMP card dry contact card and MODBUS card For the installation and usage of the communication components refer to the delivered documentation for each communication component SNMP card port and USB port can be used together The pin distribution for each SNMP card port is shown in Figure 2 17 GND_SNMP 9_ SNMP Q1 9N da gt RXD_SNMP 03 al TXD_SNMP O4 gt RXD232 Os 7 TXD232 O6 a X O7 8 SNMPSIG pe O O9 9_TR O10 14 PIN Figure 2 17 Pin distribution of SNMP card ports The pin description for each SNMP card port is shown in Table 2 4 Table 2 4 Pin description of the SNMP card ports Pin Description 1 9 GND of SNMP card 2 SNMP card power supply provided by DSP panel Signal from the SNMP card which connects with RXD of the DSP Signal to SNM
19. Control button Silk screen Description EPO switch EPO Used to disconnect the load power and close the rectifier inverter static bypass and battery Inverter on ON Used to start the inverter Inverter off OFF Used to close the inverter Fault recovery on off FAULT CLEAR Recover the UPS function clear fault in advance Alarm sound silence ALARM CLEAR When an audibl alarm is acliVe pushing this button silences the audible on off alarm Press this button again can restart the buzzer 3 1 4 LCD And Menu Buttons The operation and display panel provides an LCD and five menu buttons F1 F2 F3 F4 HELP Table 3 4 gives the menu buttons function description Table 3 4 Menu key functions description Key F1 F2 F3 F4 HELP O ESC ct Function 1 lt HOME Escape Left Right Enter Function 2 LI S Up Down LCD provides you with the user friendly interface and the 320 x 240 dot matrix image display The user friendly and menu driven LCD allows you to easily browse through the input output load and battery parameters learn about the current UPS status and alarm message perform functional setting and control operation The LCD also stores up to 512 historical alarm records that can retrieve for reference and diagnosis 3 2 LCD Screen Types 3 2 1 Start Screen Upon UPS start the UPS executes the system self test and the start screen will appear and remains about 15 seconds as shown in F
20. Liebert ITA UPS 16kVA 20kVA User Manual Version V1 0 Revision date January 26 2010 BOM 31011782 Emerson Network Power provides customers with technical support Users may contact the nearest Emerson local sales office or service center Copyright 2010 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 amp Industry Park Nanshan District 518057 Shenzhen China Homepage www emersonnetworkpower com cn E mail support emersonnetwork com cn Safety Precautions This manual contains the information concerning the installation and operation of Liebert ITA 16kVA 20kVA UPS hereinafter referred to as UPS Please carefully read this manual prior to installation The UPS must be installed commissioned and serviced by engineers designated by the manufacturer or its agent Failure to observe this could result in personnel safety risk UPS malfunction and invalidation of warranty The UPS has been designed for commercial and industrial use only and is not recommended for use in life support applications This is a Class A UPS product In a residential environment this product may nevertheless cause radio interference in which case the user may be required to take additional measures ZN ontormiy and standards The UPS complies with 2006 95 EC 93 68 EEC LV Safety and 2004 108 EC EMC wit
21. OD Connecting cables between the UPS and 1 1 parallel POD Connect the UPS1 terminal block silk screen UPS1 on the 1 1 parallel POD rear panel to the same silk screen terminal on the UPS1 rear panel I O terminal block using the one to one correspondence method Connect the UPS2 terminal block silk screen UPS2 on the 1 1 parallel POD rear panel to the same silk screen terminal on the UPS2 rear panel I O terminal block using the one to one correspondence method A 1 When connecting cables connect the UPS end at first and then connect the 1 1 parallel POD end 2 For kinds of system connection differences such as 3 in 3 out common source configuration 3 in 3 out split bypass configuration 3 in 1 out common source configuration 3 in 1 out split bypass configuration refer to 2 6 2 Connecting The I O Cables Liebert ITA 16kVA 20kKVA User Manual 22 Chapter 2 Installation Connecting I O cables of the 1 1 parallel POD AN o 1 A protective MCB must be series connected between the 1 1 parallel POD and the mains It is recommended to use 80A MCB in main input and 150A MCB in bypass input 2 Confirm reliable connection for the earth cable 1 Connect the input cables e For 3 in 3 out parallel system connect the input cables U V W N PE respectively to the corresponding terminals on the user terminal block silk screen USER of the 1 1 POD rear panel e For 3 in 1 out parallel s
22. ONS ia ia ee 36 Appendix 1 Battery Module oia A a a etnies 38 Appendix 2 Optional Partiltist t ana ae einen ee o o to tea Od Genes aes 40 Chapter 1 Product Introduction 1 Chapter 1 Product Introduction Liebert ITA 16kVA and 20kVA UPS UPS for short is an intelligent online UPS system with sine wave output developed by Emerson Network Power Co Ltd The UPS provides reliable and high quality AC power to your sophisticated equipment The UPS adopts modular design and rack tower installation can be used depending on your requirements It is applicable to supplying AC power to small scale computer center network communication system automatic control system and precision instrument This chapter gives a brief description of the UPS including the UPS features model configuration appearance components operating principle state operation mode and specifications 1 1 Features Liebert ITA 16kVA UPS is compatible with Liebert ITA 20kVA UPS The UPS features include e Compatible with two modes 3 phase mains output and single phase mains output You should check the system wiring and conduct the panel setting manually e Capable of parallel connection to achieve up to 3 1 parallel redundant power supply e High frequency double conversion topology structure with high input power factor wide input voltage range and output immune to grid interference thus adaptable to areas with unstable mains supply O High power densit
23. P card which connects with TXD of the DSP Connect with RX of the RS232 communication port of the host Connect with TX of the RS232 communication port of the host Reserved Selected communication signal 9_TR is introduced into this pin after the SNMP card is plugged The power supplied by DSP panel for selecting the card Ave If you wish to connect the SNMP card model UF SNMP810 to Emerson temperature sensor model RDU A S01T to make it be the battery temperature compensation please connect the COM1 port of the SNMP card and set the temperature sensor DIP address to 1 j OD oy A o Liebert ITA 16kVA 20kKVA User Manual 20 Chapter 2 Installation 2 8 2 8 1 AA The DIP switch on the UPS front panel see Figure1 1 is used to set the parallel address for each UPS single in parallel system installation You are not required for setting the DIP switch in UPS single system installation Set the DIP switch at will can result in UPS fault Parallel System The UPS parallel system provides the user with N X 2 lt N X lt 4 parallel configuration N stands for the basic parallel sets X stands for the redundant sets The UPS parallel system has 1 1 parallel POD options which provide safe and reliable distribution function for parallel system The 1 1 parallel system only needs one 1 1 parallel POD if N22 the self distribution will be required
24. PS specifications Product model UHA3R 0160L UHA3R 0200L Rated voltage 3 phase 380Vac Voltage range 304Vac 478Vac at full load 228Vac 304Vac linear derating Input 228Vac at half load Voltage 220Vac 1 3 phase balance load Frequency sync range Rated frequency 2Hz range is settable 0 5Hz 3Hz Voltage harmonic lt 2 linear load lt 5 non linear load Output distortion i Dynamic response por a eoms Overload capacity It 123 Smin 125 150 1min Bypass voltage Upper limit 10 15 or 20 default 15 Lower limit 10 20 30 or 40 default 20 Mains efficiency gt 93 up to 94 Type Sealed lead acid maintenance free battery Battery Mains Battery Oms Transfer time Synchronous transfer lt 1ms Inverter Bypass Asynchronous transfer default 20ms Or 40ms 60ms 80ms and 100ms are available Noise lt 58dB Panel display mode LED and LCD Safety IEC EN62040 1 1 Conduction emission IEC EN62040 2 ENG Immunity I lt 16A IEC EN61000 3 3 16A lt I lt 75A IEC EN61000 3 11 I lt 16A IEC EN61000 3 2 16A lt I lt 75A IEC EN61000 3 12 Harmonic current YD T1095 2001 level 2 15 IEC EN 61000 4 5 enduration level 4 4kV live line to earth level 3 2kV Surge protection A on during live lines Protection level IP20 Operating temperature 0 C 40 C Ambient Storage temperature 40 C 70 C battery excluded 20 C
25. S LBS function enabled 3 in 3 out 3 in 3 out Set the output system 3 in 3 out 3 in 3 out This setting can only be carried out after the EPO operation After the setting you must power off the system and confirm that the system actual connection mode complies with the setting Power on again and the setting can come into force Test command start stop battery system test or frocing boost charge Battery maintenance test The battery maintenance test will lead to the battery being partly discharged for rough assessment of the battery capacity The load must range from 20 100 Battery capacity test The battery capacity test will lead to the battery being completely discharged for accurate assessment of the battery capacity The load must range from 20 100 System test For UPS self test The user actives this function 5 seconds later a pop window will appear to show the result of this test Stop testing Manually stop the test including maintenance test capacity test and system test Forcing charge Manually conduct the forcing boost charge for battery Stop forcing charge Manually stop the forcing boost charge for battery System version Monitor Version Provide the monitor software version Rectifier Version Provide the rectifier software version Inverter Version Provide the inverter software version Keypad window The function of menu butto
26. UPS and battery modules through brackets is prohibited Liebert ITA 16kVA 20kVA User Manual 10 Chapter 2 Installation UPS 1 piece AL Pa Battery module a 4 pes Y Figure 2 5 UPS installation diagram of battery modules included 2 5 External Protective Device The circuit breaker or other protective devices must be installed at the external AC input port of the UPS This section provides general guidance for the qualified installing engineers The qualified installing engineers should learn about the related knowledge about the local wiring regulations for the equipment to be installed 2 5 1 Rectifier And Bypass Inputting Overcurrent The appropriate overcurrent protective device should be installed on the mains input distribution and you should take the current capacity of power cable as well as the system overload requirements into account in installation see Table 1 2 It is generally recommended to use the thermomagnet circuit breaker of IEC60947 2 tripping curve C normal following the 125 of current value listed in Table 2 2 Bypass disconnection When the system uses bypass disconnection the protective devices should be respectively installed at the mains input distribution for main input and bypass input Main Bypass reflected protection When using the main bypass reflected protection function the gross mains input needs to be equipped with the protective devices with auxiliary
27. Voltage Level and Output Frequency Level respectively 3 If the displayed voltage is abnormal please verify the actual bypass voltage and frequency presented to the UPS Check the external power if it is found to be faulty If the utility is likely to trigger this alarm frequently the bypass limit can be changed a little larger through the configuration software according to the user feedback Inverter asynchronous This alarm is triggered by an inverter software program when the inverter and bypass waveforms are misaligned by more than 6 degrees in phase The amplitude threshold is fixed for 10 rating This alarm will recover automatically when the alarm condition disappears 1 First check if the alarm Bypass Unable To Trace or Bypass Protection If so solve it first 2 Verify the waveform of the bypass voltage If it is too distorted ask the user to verify it and seek any possible measurement Inverter fault Inverter output voltage beyond limits Load transfers to bypass Inverter overtemp The temperature of the inverter heat sink is too high to keep inverter running This alarm is triggered by the signal from a temperature monitoring thermostat on the inverter bridge heat sink The UPS will recover automatically after 5 minutes delay from the disappearance of the overtemperature signal If the overtemperature condition is true check the following items 1 high ambient temperature 2 blocked cooling
28. aced Battery test failed Battery should be replaced Before the end of discharge battery undervoltage pre warning should occur After this pre warning Battery lo ie o battery should have the capacity for 3 minutes discharging with full load The time is user configured POS from 3 minutes to 60 minutes Shut down the load in time Battery stop 2 p discharge Inverter turned off due to low battery voltage Check the utility failure and try to recover it i Mains volt abnormal Mains Voltage exceeds the upper or lower limit and results in rectifier shutdown Check the input line to neutral voltage amplitude of rectifier Mains undervoltage Mains voltage is undervoltage Derate for running and check the input line voltage Mains freq abnormal Mains frequency is out of limit range and results in rectifier shutdown Check the input frequency Rectifier block Rectifier detected faulty Rectifier shuts down Battery discharges Rectifier overtemp The temperature of heat sink is too high to keep the rectifier running The UPS can recover automatically Check the environment and ventilation Battery charger fault Battery charger is over voltage Control power 1 fail UPS operates but Control Power is not available Mains phase reversed Rectifier AC input phase sequence is reversed Liebert ITA 16kVA 20kVA User Manual 30 Chapter 3 Operation And Display Panel Alarm mes
29. ad Qout kVAR Qout Reactive power Loadlevel The percentage of the UPS rated load Crest factor Output current crest factor Sout kVA Sout Apparent power Parallel load Pout kW Pout Active power Qout kVAR Qout Reactive power Battery voltage V Battery bus voltage Battery current A Battery bus current es temperature Battery temperature C Battery remain time 7 LE Battery data Battery run time remaining Battery capacity Battery capacity compared to the new battery Battery boost charging Battery is boost charging Battery float charging Battery is float charging Battery is not connected Battery is not connected Current records Current alarm Display current alarm See Table 3 8 for UPS alarm message list Historical records Historical alarm Display all historical alarms See Table 3 8 for UPS alarm message list Menu language Language selection Options are displayed in Chinese or English Liebert ITA 16kVA 20kVA_ User Manual 28 Chapter 3 Operation And Display Panel Menu Item Explanation Function settings LCD contrast Adjust the LCD contrast Date format YYYY MM DD DD MM YYYY and MM DD YYYY formats can be selected Date amp time Set the date and time Comm1 baud rate Set the communication baud rate of the USB port Comm2 baud rate For internal communication only can not be set Co
30. airway 3 any fan failure 4 prolonged inverter overload Fan fault At least one of the cooling fans has failed Inverter STS fail At least one of the static switches of inverter side is open or short circuit This fault is locked until power off Bypass STS fail At least one of the static switches of bypass side is open or short circuit This fault is locked until power off Operation invalid Incorrect operation Neighbor bypass SSTS fail At least one of the static switches of single bypass side in parallel systemis open or short circuit This fault is locked until power off Output fuse fail At least one inverter output fuse blowou The inverter shuts down the load transfers to bypass Unit over load The UPS is confirmed to be overload when the load arises above 105 nominal rating The alarm automatically resets once the overload condition is removed 1 Confirm that the alarm is true by checking the load percent indicated on the LCD to determine which phase is being overloaded 2 If the alarm is true measure the actual output current to verify that the indications are valid Disconnect unnecessary load and ensure the safety Byp abnormal shutdown Both bypass and inverter voltages unavailable Load interruption Inverter over current Inverter pulse width modulation module overloaded Bypass phase reverse The phase sequence direction of bypass voltage is reversed Normally the p
31. bN mA bA mB bB mC bC TO llo JO OOOO JO O O O O O O O O O lA OL D H PE PE o HO ON ON oA oB oC mN bN mA bA mB bB mC bC PE PE UPS terminal block Note 1 Main input mA mB mC mN Bypass input bA bB bC bN Output oA oB oC oN Battery Bat Bat N Bat GND PE 2 In factory four shorted copper bars 3 have been used to short terminals between mA and bA mB and bB mC and bC mN and bN respectively Figure 2 8 Terminals distribution of the terminal block and PE terminals The UPS I O terminal block the single POD user terminal block and the UPS terminal block all have protective cover Before the connection you should remove the protective cover of each terminal block after the connection you should reinstall the protective cover After the cables connection you must reinstall the protective cover for each terminal block so as to avoid the electric shock when the UPS is in operation Using the single POD options Recommended e 3 in 3 out common source configuration factory default 1 Connect the live line input phase A phase B and phase C N line and PE line respectively to the user terminal block terminal mA mB mC and mN of the single POD and PE terminals
32. battery module and connecting the battery cables ensure that the UPS system is in maintenance mode 3 The length of the battery cable option is 1 5m If you need more length cables please consult the dealer It is recommended that the battery cable be shorter than 3m Otherwise the UPS cannot operate normally 2 7 Connecting Communication Cables Communication cables include dry contact communication cable USB communication cable and SNMP card communication cable All the communication cables are the dual insulation cables which must be separated from the power cables for wiring When the longest connection distance ranges from 25m to 50m the CSA should be rangeed from 0 5mm to 1 5mm 2 7 1 Connecting Dry Contact Communication Cable The UPS provides five dry contact ports see Figure 1 2 for specific positions The silk screens of the five dry contact ports are 1 2 3 4 5 The pin distribution for each dry contact port is shown in Figure 2 16 and the port description is shown in Table 2 3 2 E a 12V Ha L Q gt Q 2 Q Oo gt gt Z Op A S E 3 3 gs Z 2A AT aa a S g 0 0 o Y g E E x 2 a a uw om ma N lt g wi O e Dry contact port 1 Dry contact port2 Dry contact port3 Dry contact port 4 Dry contact port 5 Figure 2 16 Pin distribution of dry contact ports Table 2 3 Description of the dry contact ports Silk i Port name Pin NO Pin name Meaning
33. city Settings from each UPS single and each single setting must be the same When the parallel system uses the battery strings sharing the Battery Capacity of the LCD settings of each UPS single stands for the gross capacity of battery strings and each single can calculate the battery capacity itself automatically 3 Close the battery MCB for each single 2 10 Double Bus System 2 10 1 System Installation The double bus system is composed of two independent UPS system and each UPS system can be composed of one or two parallel UPS singles The double bus system has high reliability which is suitable for the load with many input terminals For single input load you can add a selected static trigger switch STS to start the load bus synchronization LBS The double bus system uses LBS to realize the output sync of the two independent or parallel UPS systems One is the main system and the other is the slave system The operation mode of the double bus system contains main Liebert ITA 16kVA 20kVA User Manual Chapter 2 Installation 23 system and or slave system for running in Normal or Bypass mode The typical double bus system is shown in Figure 2 20
34. contact function The recommended model S1N125 R125 TM FFC 4P 1A 1B YO 220Vac Awe The same neutral line must be used for the rectifier and bypass input power For IT power grid system the protective device with four poles must be installed at the UPS external I O distribution Earth leakage current The residual current detector device RCD for the UPS upstream input distribution should O Be sensitive to the DC unidirectional pulse level A in distribution network O Be insensitive to the transient current pulse O Be the general sensitivity type settable 0 3A 1A Liebert ITA 16kVA 20kVA User Manual Chapter 2 Installation 11 2 5 2 2 5 3 2 6 2 6 1 The residual current circuit breaker RCCB must be sensitive to the DC unidirectional pulse level A in distribution network and insensitive to the transient current pulse as shown in Figure 2 6 respectively AR tL Figure 2 6 RCCB symbols When using the earth leakage current test device in bypass disconnection system or parallel system the RCD should be located at the upstream input distribution terminal to avoid generating the false alarm The earth leakage current introduced by the RFI filter in the UPS ranges from 3 5mA to 1000mA It is recommended to confirm the sensitivity of each differential device of the upstream input distribution and downstream distribution to load Battery Input The over current protective device has been placed i
35. csseeeseeesceeeeseesstseesseeess 32 4 2 1 Transferring From Normal Mode To Battery Mode cccccccsssesssseeesseeeeseeeeseeeeeseeecseeeeseesssseeesseeeeseeens 32 4 2 2 Transferring From Normal Mode To Bypass MOde ccccscccsssseesseeeeseeeeseeecsneeeeseeeeeseesesneeseseeesseeeeseeess 33 4 2 3 Transferring From Bypass Mode To Normal Mode cccccccscccesseeecseeeesseeeesseeecsaeeceseeeseeeeseeesssteeeeseeens 33 4 2 4 Transferring From Normal Mode To Maintenance Bypass MOde ccccccsseesseceesteeeseeeesseeessseeeseeens 33 4 3 Complete Shutdown Procedure mrcine n A A E AEA TAN are EEN Taaa 33 4AEPO Procedure sacan ineen e A aa a di 34 4 5 Auto Restart 0 0 eececeseecescceseseetenseeseseneseseeeseaneeesaceseneeeseacenesaneseneeeeanesesanensaeeseaeensaeesesaeessaeeseneeseseesesnensneesenenetes 34 4 6 UPS Reset POCO Uria da 34 A 7 Cangquage Selectiony 2 1 2 8ceccces OOPLO 70 A o E dehees eu E EE EE EE Mesurier 34 4 8 Changing Current Date And TiM ooooooconoconococccoooncnoncnononnnonnnnnnnnonononnnnnnnncnnnn nn nn non TEENER SE ERN non rn cnn n nan E ran PERESS 34 AD Control Password a e a o 35 TEE EE aE R E E r oes Sed Seas See A a SR eng Acad 36 5 1 Fan Maintenance 5 2 Battery Maintenance codo at a ii 36 ARCA MO UP A A e eens 36 5 4 Checking UPS State 0 0 ccccccsccsscccssecesseeecsaeeesseeecsaeeecseeeessaeessaeeeseaeeseeaeeseaeesseeeeseaeeseaeescsaeessaeeeseeeesseeesssaeesses 36 Checking UPS FUNCI
36. e line bypass input phase A to the shorted copper bar 8 5 Connect the bypass input N line to mN of the UPS I O terminal block and the shorted copper bar 4 of bN 6 Connect the live line output phase A N line and PE line respectively to the shorted copper bar 5 of the UPS I O terminal block shorted copper bars 4 of the two oN terminals and the other screw hole of the shorted copper bar 10 A Awe Before the commissioning engineer arrival if the load is not ready for accepting the power supply please take good care of the safety insulation located at the end of the output cable After the I O cables connection you should find the label shown in Figure 2 15 on the UPS chassis protective cover for convenient maintenance and then tick V at the right side of the AC OUTPUT and BYPASS INPUT according to the actual conditions EMERSON Network Power S MODEL UHA3R 0200L i E M OUTPUT CAPACITY 20kVA 18kW X iit MW HAC OUTPUT 220 230 240V 18 N PE 50 60Hz 90A MAX O 380 400 415V 3 N PE 50 60Hz 30A MAX O IR AVAC INPUT 380 400 415V 38 N PE 50 60Hz 36A MAX FMR A BYPASS INPUT 220 230 240V 18 N PE 50 60Hz 90A MAX 380 400 415V 308 N PE 50 60Hz 30A MAX W iiih A BATT INPUT 432V 67AMAX FFF S SERIALNO SERRE Pee RETR A BR TS f Emerson Network Power Co Ltd X E a a i Figure 2 15 Label 2 6 3 Connecting Battery Cables If battery module is not selected this product needs
37. ernal fans provide the forced air cooling for the UPS Cooling air enters the UPS through the front ventilation holes and exhausts the hot air through the back ventilation holes Therefore do not restrict the ventilation holes The front rear and side panels of the UPS should be kept at least 200mm distance from the wall or consecutive equipment so as not to obstruct the UPS ventilation and heat rejection Otherwise the UPS internal temperature will rise which will shorten the UPS life If necessary an indoor extractor fan should be installed to keep the indoor temperature from rising An air filter should be used where the UPS is to operate in a dirty environment The UPS is only suitable for installing on the concrete surface or other non flammable surface Battery Room Asmall amount of hydrogen and oxygen will be produced at the end of battery charging therefore you must ensure the fresh air ventilation of battery installation environment to meet the EN50272 2001 requirements The battery ambient temperature should be the constant temperature because the ambient temperature is the main factor to affect the battery capacity and life The battery standard operating temperature is 20 C operation above this temperature will shorten the battery life and operation below this temperature will reduce the battery capacity If the battery average temperature in run rises from 20 C to 30 C the battery life will be reduced by 50 if the batt
38. ery temperature in run exceeds 40 C the battery life will be decreased exponentially In general the enabled ambient temperature of the battery is 15 C 25 C The battery should be kept away from heat and ventilation holes When the UPS uses an external battery you must install a battery protective device such as fuse or circuit breaker and the battery protective device should be installed in areas near the battery and the battery connection between the alignment should be the shortest distance Storage The UPS must be stored indoors to protect against excessive moisture or over temperature environment when the UPS does not need to be installed immediately The battery requires dry and low temperature well ventilated environment for storage and the most suitable storage temperature is 20 C 25 C AN AN Warning Battery Hazards During the battery storage period the battery must be periodically charged according to the battery instructions You can connect the UPS to the mains temporarily when charging the battery so as to activate the battery for battery charge Installation tools Prepare installation tools according to Table 2 1 The tools must be insulated and ESD proof processed prior to use Table 2 1 Installation tools list Installation tool Specification Application N Remove the protective cover of terminal Cross screwdriver EJ5100mm block connect power cables Wire pressure plier YT 12 Press wire
39. for the parallel system Installing parallel system includes e Mechanical installation O Setting parallel addresses e Connecting parallel cables e Connecting 1 1 parallel POD cables Mechanical Installation Taking the rack installation of the 1 1 parallel system with battery module for example the mechanical installation method of the parallel system is as follows 1 The installation method of 1 1 parallel POD is the same as that of the UPS Refer to 2 4 2 Rack Installation for details 2 As shown in Figure 2 18 the battery module should be installed at the bottom the UPS should be installed in the middle and the 1 1 parallel POD should be installed on the top so as to facilitate the cable connection and operation 1 1 parallel POD 1 piece UPS 2 pcs Battery module 4 pcs Figure 2 18 1 1 parallel system with battery modules Liebert ITA 16kVA 20kVA User Manual Chapter 2 Installation 21 2 8 2 Setting Parallel Addresses The parallel addresses for all the UPS singles in parallel system should be set The parallel addresses can be set through the DIP switch on the UPS front panel see Figure 1 1 Remove the DIP switch protective cover and set the DIP switch according to Table 2 5 The parallel address must be unique for each UPS single Table 2 5 DIP switch settings Parallel addresses Parallel 1 Parallel 2 Parallel 3 Parallel 4
40. h Australia and New Zealand EMC Framework C Tick and with the following product standards for UPS 1EC62040 1 1 General and safety requirements for use in operator access area 1EC62040 2 EMC requirements Class C2 compliant 1EC62040 3 Performance requirements and test methods The UPS installation should follow the above instructions and use the accessories specified by manufacturer Earth connection is essential before connecting the input power supply AC mains and battery included This equipment must be earthed in accordance with the local electrical codes Earth leakage current ranges from 3 5mA to 1000mA Transient and steady state earth leakage currents which may occur when starting the equipment should be taken into account when selecting instantaneous residual current circuit breaker RCCB or residual current detector RCD devices RCCB must be selected for it is insensitive to DC unidirectional pulses Class A and transient current pulses Note that the earth leakage currents of the load will be carried by RCCB or RCD The UPS has a zero voltage contact closure signal available for use with an external automatic circuit breaker single power supply to protect against backfeeding voltage through the static bypass circuit If the installing engineer do not need to use this signal a label must be added to the switchgear to advise service personnel that the circuit is connected to a UPS system The text can be written
41. hase of phase B lags 120 degrees behind phase A and the phase of phase C lags 120 degrees behind phase B Verify that the phase rotation of the bypass supply presented to the UPS is correct and rectify it if it is found to be in error Load impact transfers bypass A transfer to bypass occurred due to a large step load The UPS should recover automatically Turn on connected equipment in sequential order to reduce the step loading of the inverter Transfer time out The load is on bypass power due to excessive number of transfers that occurred within the last hour The UPS will recover automatically and will transfer the load back to inverter power within an hour Bus abnormal DC input voltage to inverter beyond limits Inverter shuts down Load transfers to bypass Liebert ITA 16kVA 20kVA_ User Manual Chapter 3 Operation And Display Panel 31 Alarm message Description DC bus over voltage Rectifier and inverter were shut down because DC bus voltage is too high Check whether there is a fault in rectifier side If not check whether there is an overload After recovering the fault restart the inverter Bypass over current Bypass current is over limit above 135 rating The UPS just alarms and does nothing Setting save error History records not saved Reserved Fault of entering i AC mains input neutral line is not checked out Protocol version clash Firmware incompatibilit
42. hen battery 3 E Gross output current at full load Battery discharging current upon power kVA charging with Max ability Min battery voltage 380V 400V 415V 380V 400V 415V 16 3 in 3 out 33 33 33 24 23 22 54 16 3 in 1 out 33 33 33 72 70 67 54 20 3 in 3 out 36 36 36 30 29 28 67 20 3 in 1 out 36 36 36 90 87 84 67 Note 1 The mains input current of the rectifier and bypass 2 Non linear load switch mode power supply affects the neutral cable design of output and bypass The neutral cable current may exceed the rated phase current in general 1 732 times the rated current Liebert ITA 16kVA 20kVA_ User Manual 12 Chapter 2 Installation 1 PE line Use the shortest wiring route when connecting the cabinet earth cable The cross sectional area CSA of the earth cable should be selected according to the AC power fault level cable length and protection type According to AS IEC60950 1 the CSA is 10mm 20kVA 3 in 3 out 25mm 20kVA 3 in 1 out as usual 2 When selecting the battery cables according to the current value shown in Table 2 2 the Max allowable voltage drop is 4Vdc Do not ring the cables which can avoid increasing the EMI 2 6 2 Connecting I O Cables Distribution mode and terminal block 1 Distribution mode There are two modes for UPS distribution single power output distribution unit POD options provided by Emerson external distribution by the user According to the actual requiremen
43. igure 3 2 EMERSON Network Power O Liebert F2 F3 F4 HELP Figure 3 2 Start screen Fl Liebert ITA 16kVA 20kVA User Manual 26 Chapter 3 Operation And Display Panel 3 2 2 Primary Screen After the UPS system self test the primary screen shown in Figure 3 3 will appear The primary screen is composed of four windows system information window data window menu window and keypad window MA System information window A AB OO 07 9 Vphase V 220 220 220 Iphase A 20 5 20 5 20 5 Freq HZ 50 1 50 1 50 1 i Vline V 380 380 380 m Data window P F 0 99 0 99 0 99 AC output aill Menu window Keypad window Figure 3 3 Primary screen The current icons on top of the F1 F4 and HELP menu buttons give the explanations of each key Under any menu in primary screen press the F1 button can return to the AC Output menu For details about the primary screen refer to 3 3 Detailed Description Of Menu Items 3 2 3 Default Screen During the UPS operation if there is no alarm within 2 minutes the default screen shown in Figure 3 4 will appear After a while the LCD backlight will turn off Press any menu key F1 F4 HELP the primary screen will appear again ITA 020kVA EMERSON Network Power O Liebert Press any key to return to the main menu Figure 3 4 Default screen Liebert ITA 16kVA 20kVA User Manual Chapter 3 Operation And Display Panel 27 3 3 Detailed Descripti
44. ition is low please check battery state and loadlevel Battery test condition is not met Please check whether the battery is in boost charge state and the load level is over 20 Forcing charge condition is low please check battery state This prompt appears when you select the forcing charge command while the forcing charge condition is not met such as no battery charger failure Check the connection according to the settings power off takes effect 3 phase After setting the menu option 3 in 3 out 3 in 1 out you can power off the system completely and then power on again after the wiring is changed according to the 1 phase output settings 3 5 UPS Alarm Message List The following list gives the UPS alarm message list based on the Current records and Historical records menus in Table 3 8 Table 3 8 UPS alarm message list Alarm message Description Inverter comm fail Internal communication failure between the monitoring board and inverter Rectifier comm fail Internal communication failure between the monitoring board and rectifier Parallel comm fail The CAN communication between different UPSs within a parallel system fails 1 Check if there are some UPSs not powered on in the parallel system If so power on these UPSs and check if the alarm disappears 2 Press the FAULT CLEAR button Battery fault Battery detected faulty Reserved Battery repl
45. l provides LCD menu buttons F1 F4 HELP LED indicators inverter indicator and fault indicator control buttons FAULT CLEAR ON OFF ALARM CLEAR EPO LCD Fault indicator Inverter indicator Menu buttons Control buttons Figure 3 1 Operation and display panel 3 1 1 LED Indicators The LED indicators are composed of inverter indicator and fault indicator Table 3 1 gives the indicators description Table 3 1 Description of LED indicators LED Color State Meaning Steady green Load power is supplied by the inverter Inverter indicator Green Flashing green Inverter ON starting up synchronizing or standing by ECO mode Off Inverter not operating Flashing red General fault such as no battery Fault indicator Red Steady red Serious fault such as inverter fault off No fault 3 1 2 Audible Alarm Buzzer The UPS activity is accompanied with the following two different kinds of audible alarms shown in Table 3 2 Table 3 2 Audible alarm description Sound Meaning One beep every second UPS alarm such as AC input failure Continuous beep UPS fault such as fuse or hardware failure Liebert ITA 16kVA 20kVA User Manual Chapter 3 Operation And Display Panel 25 3 1 3 Control Buttons The operation and display panel provides five control buttons which functions are described in Table 3 3 Table 3 3 Description of control buttons
46. mm3 baud rate Set the communication baud rate of the SNMP card port UPS address This setting is suitable for RS485 communication Communication mode Set the communication mode Callback times If the communication mode of the SNMP card port is Modem you can set alarm callback times here If the communication mode of the SNMP card port is Modem you can Phone No 1 set phone No 1 here If the communication mode of the SNMP card port is Modem you can Phone No 2 set phone No 2 here If the communication mode of the SNMP card port is Modem you can Phone No 3 set phone No 3 here Command password You can change the command password Default 123456 Battery capacity test Battery capacity Battery cell Set the battery cell The setting options include 30 cell 32 cell 34 cell 36 cell 38 cell 40 cell Battery boost charge Enabled or disenabled Temperature compensation Enabled or disabled Temperature sensor Set the position of the temperature sensor Remote only Battery group sharing Set each single in parallel system to share the battery group or not Single parallel Set the single parallel Parallel number Set the parallel number Redundant number Set the redudant number ECO mode ECO function enabled Output frequency Set the output frequency Output voltage system Set the output voltage system LB
47. n mode For some power equipment that insensitive to power grid quality you can use the ECO mode for power supply through bypass to reduce the power loss Ave 1 In ECO mode if the bypass failure or bypass voltage is abnormal when the output is not overload the UPS will switch to Normal mode However if the bypass failure or bypass voltage is abnormal when the output is overload the UPS will not switch to Normal mode but shut down the bypass 2 In ECO mode the efficiency of the UPS is up to 98 1 5 5 Fault State In Normal mode the UPS will switch to Bypass mode when the inverter failure or the UPS over temperature In Battery mode the UPS will shut down and stop the output when the inverter failure or the UPS over temperature In Fault state the fault indicators will turn on the buzzer will keep beeping and the corresponding fault information will be displayed on LCD panel A In Fault state if the bypass failure or bypass voltage is abnormal when the output is not overload the UPS will shut down and be switched to the inverter for power supply such as radiator over hot However if the bypass failure or bypass voltage is abnormal when the output is overload the UPS will not switch to the inverter for power supply but shut down the bypass Liebert ITA 16kVA 20kVA User Manual Chapter 1 a Product Introduction 1 6 Specifications The UPS specifications are listed in Table 1 2 Table 1 2 U
48. n status once every half year Procedures are as follows 1 Check if the UPS is faulty Is the FAULT indicator on Is the UPS giving any alarm 2 Check if the UPS is operating in Bypass mode Normally the UPS operates in Normal mode if it is operating in Bypass mode find out the reason such as operator intervention overload internal fault and so on 3 Check if the battery is discharging When AC mains is normal the battery should not discharge if the UPS operates in Battery mode you should find out the reason such as mains failure battery test operator intervention and so on Checking UPS Functions Ave UPS functions check procedures may cause power interruption to load Liebert ITA 16kVA 20kKVA User Manual Chapter 5 Maintenance 37 It is recommended to check the UPS functions once every half year Backup the load data before conducting the UPS functions check Procedures are as follows 1 Press the OFF button to check if the buzzer beeps indicators are on and the LCD display is normal 2 Press the ALARM CLEAR button to check again if the indicators are on the LCD display is normal and the UPS has switched to the inverter mode Liebert ITA 16kVA 20kVA_ User Manual 38 Appendix 1 Battery Module Appendix 1 Battery Module Appearance The protective panel has been installed at the factory to avoid the damage to the battery module during the transportation Remove the six fixing screws to take off the pro
49. n to the AC Output menu by repeatedly pressing F2 ESC At this point all texts on the LCD will be displayed in the selected language Changing Current Date And Time Procedures for changing the system date and time Liebert ITA 16kVA 20kVA_ User Manual Chapter 4 UPS Operation Instructions 35 From the AC Output menu press F3 or F4 left or right arrow to select the Settings menu Press F5 Enter to move the cursor to the UPS Data Window of the LCD Use F3 and F4 up and down arrows to select Date And Time option then press F5 Enter Position the cursor on the row in which the date and time are displayed then press F5 Enter Use F3 or F4 up or down arrows and enter the current time and date information oar WN Press F5 Enter for confirmation and then press F2 ESC to return to the AC Output menu 4 9 Control Password The system provides the password protection for the UPS operation control The default password is 123456 Only through the password verification can you conduct the UPS and battery test operation Liebert ITA 16kVA 20kVA_ User Manual 36 Chapter 5 Maintenance 5 1 5 2 5 3 5 4 5 5 Chapter 5 Maintenance This chapter focuses on the UPS maintenance including the fan maintenance battery maintenance UPS cleaning UPS state check UPS function check Fan Maintenance The UPS fans are expected to run for 20000 hours 40000 h
50. nal block to the single POD terminals Liebert ITA 16kVA 20kVA_ User Manual 14 Chapter 2 Installation e 3 in 1 out common source configuration Except for the shorted copper bar 3 all the shorted copper bars mentioned in the installation procedures are the delivery accessories 1 Short the terminal bA bB and bC of the single POD user terminal block using the shorted copper bar 7 short the terminal oA oB and oC using the shorted copper bar 5 and short mA and bA terminals using the shorted copper bar 6 and then short mN and DN terminals two oN terminals respectively using two shorted copper bars 4 as shown in Figure 2 9 2 o iH I 7 TT o TAOHolfo fo fo o ollollolllollollo lo ola I Toq c 5 248 08H 0 oN ON oA oB oC mN bN mA bA mB bB mC bC y v T ajo o 0 o0oo ololololololo o olla x 5 HOH HKH Hon n H H HH HW oa 5 PE PE _ ON oN oA oB oC MN bN mA bA mB bB mC bC PE PE Figure 2 9 Shorted copper bar connection for the single POD user terminal block 2 Connect the shorted copper bar 8 to one end of the shorted copper bar 7 see Figure 2 9
51. nce And Components 1 3 1 Appearance The UPS appearance is shown in Figure 1 1 LA QH A o e Bi e Ja fi fl fia IP CN Ventilation holes Operation and DIP switch battery cold start display panel button with protective cover Figure 1 1 UPS appearance Non authorized personnel are prohibited from opening the UPS chassis cover Otherwise electric shock may occur 1 3 2 Components Front panel As shown in Figure 1 1 the UPS front panel provides the ventilation holes operation and display panel DIP switch and battery cold start button with protective cover The operation and display panel provides LCD menu buttons LED indicators and control buttons Refer to Chapter 3 Operation And Display Panel for details Rear panel As shown in Figure 1 2 the UPS rear panel provides the parallel ports load bus synchronization LBS ports dry contact I O port SNMP card port USB port I O terminal block and ventilation holes Parallel ports LBS ports I O terminal block with protective cover nm ro MAA a E Et EE Ss Sd e Sl ECEFETIY Ee SNMP card port e with protective cover fl E i iE E E JE ETE if jad ESE I IL DC TM Il MET JM IC eT ES A e
52. nd phase C N line and PE line respectively to terminal bA bB bC and bN of the UPS I O terminal block 4 Connect the live line output phase A phase B and phase C N line and PE line respectively to terminal oA oB oC and oN of the UPS I O terminal block and PE terminals 3 in 1 out common source configuration 1 As shown in Figure 2 10 you can paste the insulating film accessory to the shorted copper bar 10 and insert the buckles into the corresponding holes on the shorted copper bar 10 2 As shown in Figure 2 13 you can short two PE terminals of the UPS I O terminal block using the shorted copper bar 10 with insulating film short the terminal bA bB and bC using the shorted copper bar 7 short the terminal oA oB and oC using the shorted copper bar 5 and short mA and bA terminals using the shorted copper bar 6 and then short mN and DN terminals and two oN terminals using two shorted copper bars 4 oN 0A 0B oC PE mN bN mA bA bB bC Du K T ollolo lollolollollo o ollolle 8 a lle d L J6 L al ii O 7 I io i
53. nd the protective cover No user accessable parts are located behind the protective covers that require a tool for removal Only the qualified service personnel are authorized to remove such covers 4 1 UPS Start up The start up procedures can be performed after the installation is finished the system has been commissioned by authorized personnel and the external input switches are closed This procedure results in mains voltage being applied to the UPS output terminals Confirm that the load power supply is safe if there is a load to be connected with the UPS output terminal Ensure that the load is isolated with the UPS output terminal if the load is not ready for receiving the power supply 4 1 1 Normal Module Start up Procedure This procedure is suitable for UPS start up when the UPS is in complete disconnection state Procedures are as follows 1 Close the output input switch outside the UPS on by one At this point LCD displays the start screen and the rectifier starts After the rectifier runs in normal state about 30s the rectifier start is finished 2 Press the ON button for 2 seconds At this point the inverter starts and the inverter indicators are flashing green After the inverter runs in normal state the UPS transfers from bypass state to inverter state The inverter indicators turn green and the UPS runs in Normal state 4 1 2 Battery Module Start up Procedure 1 Check that the batteries have been well connected 2 Press the bat
54. nonononnnconnnncnnnonnnn nn nnnnnnnn nr nnnn nono nn ran nrnnnnnninnns 10 2 5 2 Battery pU A A et ete a A idan AAA 11 253 UPS UP A oe ee i ke ali ones eae al aaa aan eae e 11 2 6 Gonnecting Power Cables cient in Mi ere ie ee ee 11 2 6 Cables Selections iriran tias dera 11 2 0 2 Connecting VO Cables faqesnescdsbutgebepdepeecebiadeseshucapahseas 12 2 6 3 Gonnecting Battery Cabl s cui AA 17 2 7 Connecting Communication Cable nia A Med Ses A s 18 2 7 1 Connecting Dry Contact Communication Cable ooooooncccnnococinocccoooncnoncncnonncnnonnnnnnnnnno nn nono nn nano nnnnnnnrannnnannns 18 2 7 2 Connecting USB Communication Cable cccccccccccsssecssseeesseeesseeecsseeesseeeecseeeesseeeseeessseesseeseseeeeseeessae 19 2 7 3 Connecting SNMP Card Communication Cable ccccccccccssecesseeessseeeeseeeesseeesseeescneeessseeseseeeesaeessneeessae 19 2 8 Parallel SYSTEM RA A AA A 20 2 8 1 Mechanical Installation cccccconnnnnnononononoocnnnnnnnnononnnnnanononononnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnannnnnnnonons 20 2 8 2 Setting Parallel Addresses iman A eee 21 2 8 3 ConnectingParallel Cablesst4 cncc rae en wn Bee Re eee See ea eed 21 2 8 4 Connecting 1 1 Parallel POD Cables ooooocconocccinoccccoocccooonconnnncnonnnonnnnnnnn nono nn nnnn rn non n rca nn ran nro a nrnnnnnnannns 21 2 9 COMMON Battery Strings ii aii 22 2 10 Double BUS SM ri A A A A ERSE 22 2 10 1 Systeminstallation iia e 22 2
55. ns F1 F4 and HELP is shown in icon mode for the current display screen Liebert ITA 16kVA 20kVA_ User Manual Chapter 3 Operation And Display Panel 29 3 4 Prompt Window A prompt window is displayed during the operation of the system to alert you to certain conditions and or to require your confirmation of a command The prompts and meanings are given in Table 3 7 Table 3 7 Prompts and meanings Prompt Meaning Transfer with interrupt between bypass and inverter confirm or cancel it when powering off for a while Inverter and Bypass supplies are not synchronized and any load transfer between the supplies will cause a brief load interruption This operation leads to output shutdown confirm or cancel it The bypass is in abnormal state inverter shut down will cause the load power off Turn on more UPS to carry current load The number of paralleled inverters already turned on is insufficient to carry the existing load Battery will be depleted confirm or cancel Battery maintenance test discharges the battery 100 This prompt apears to require your confirmation Cancelling the test will ends the test and transfers the UPS to Normal mode System self test is finished everything is ok No action required System self test is finished please check the current warnings Check the current alarm message Enter control password Required for battery or UPS test Battery self test cond
56. nto the battery module when you choose the battery module options provided by Emerson Otherwise the external battery cabinet should provide DC compatible circuit breaker so as to provide the over current protection for the UPS and its batteries UPS Output The protective device must be installed for the UPS output distribution The protective device must be different from the input distribution protection switches and it also provides the overload protection see Table 1 2 Connecting Power Cables I O cables and battery cables are needed to be connected Battery modules provide the battery cable options When designing the cables you should follow the instructions in this section and the local wiring regulations take the environment situation into account and refer to Table 3B of IEC60950 1 LN Noe 1 Before carrying out the UPS wiring ensure that you have learned about the location and status of the UPS input and mains distribution switch Make sure that the switches are in open state and put up the warning mark to prevent the switches from operating by others 2 Failure to follow adequate earthing procedures can result in electromagnetic interference electric shock hazard to personnel or the risk of fire Cables Selection Select the cables according to Table 2 2 Table 2 2 Maximum steady state AC and DC current Rated current A UPS rated Mains input current w
57. nverter overtemperature power off overload battery overvoltage and excessive switching may result in the UPS power off Once all appropriate measures have been taken to correct the problem indicated by the alarm message appearing on the LCD you can carry out the following procedures to restore the UPS to normal operation state 1 Press the FAULT CLEAR button to make the system exit the EPO state 2 Press the ON button for 2s 1 The rectifier restarts and the bypass supplies power to the load When the rectifier starts the fault indicator flashes When the rectifier runs in normal operation about 30 seconds later the fault indicator will turn off 2 5 minutes after the overtemperature signal disappears that is when the overtemperature fault is eliminated the rectifier will automatically start 3 After the EPO button is pressed if the mains input is disconnected the UPS will shut down completely When the mains input is available the UPS will start and run in Bypass mode and also the output is available Language Selection The LCD menus are available in two languages Chinese English Procedures for selecting the language 1 From the AC Output menu press F3 or F4 left or right arrow to select the Language menu 2 Press F5 Enter to move the cursor to the UPS Data Window of the LCD 3 Use F3 and F4 up and down arrows to select the required language 4 Press F5 Enter for confirmation 5 Retur
58. o the shorted copper bar 10 and insert the buckles into the corresponding holes on the shorted copper bar 10 8 As shown in Figure 2 11 you can short two PE terminals of the UPS I O terminal block using the shorted copper bar 10 with insulating film and connect two screw holes of the shorted copper bar 10 to the PE terminals of the single POD Self distribution Before carrying out the self distribution the protective devices such as the main input MCB bypass input MCB output MCB and maintenance MCB should be prepared by the user It is recommended to use the 63A main input MCB 125A bypass input MCB and 100A output MCB e 3 in 3 out common source configuration default 1 Connect the live line input phase A phase B and phase C N line and PE line respectively to terminal mA mB mC and mN of the UPS 1 O terminal block and PE terminals 2 Connect the live line output phase A phase B and phase C N line and PE line respectively to terminal oA oB oC and oN of the UPS I O terminal block and PE terminals e 3 in 3 out split bypass configuration Liebert ITA 16kVA 20kVA_ User Manual 16 Chapter 2 Installation 1 Remove all the shorted copper bars 3 from the UPS I O terminal block 2 Connect the live line main input phase A phase B and phase C N line and PE line respectively to terminal mA mB mC and mN of the UPS I O terminal block and PE terminals 3 Connect the live line bypass input phase A phase B a
59. on Of Menu Items The description in the following refers to the LCD primary screen shown in Figure 3 3 System information window The system information window displays the current time and the UPS name You are not required for operating the information of this window For details see Table 3 5 Table 3 5 System information window Item Explanation ITA 020kVA UPS name which stands for Liebert ITA 20kVA UPS 12 30 36 Current time format 24 Hours h min s Menu window and UPS data window The menu window displays the menu name of the data window The data window displays the items of the menu selected from the menu window UPS parameters can be browsed and functions can be set through the menu window and data window Details are given in Table 3 6 Table 3 6 Menu window and data window Menu Item Explanation L N voltage V Phase voltage L N current A Phase current Main input Frequency Hz Input frequency L L voltage V Line voltage Power factor Power factor Bypass input L N voltage V Phase voltage Frequency Hz Bypass frequency L L voltage V Line voltage L N voltage V Phase voltage L N current A Phase current Min AC output Frequency Hz Output frequency L L voltage V Line voltage Power factor Power factor Sout kVA Sout Apparent power Pout kW Pout Active power Lo
60. ours continuously The higher the ambient temperature the shorter the fan life is During the UPS operation please verify the fan status once every half year by confirming that air blows out from the ventilation holes on the rear panel Battery Maintenance The internal battery module of the UPS is sealed lead acid maintenance free battery The battery life depends on the ambient temperature charge and discharge times High ambient temperature and deep discharge shortens the battery life To ensure the battery life it is required to e Keep the ambient temperature between 15 C and 25 C O Prevent small current discharge Continuous battery operation time exceeding 24 hours is strictly prohibited O Charge the battery for at least 12 hours if the battery hasn t been charged for three months at specified ambient temperature or two months at high ambient temperature 1 Never short circuit the battery terminals which will result in fire 2 Never open the battery as the electrolyte is harmful to human body In the event of inadvertent contact of the electrolyte wash the affected area immediately with plenty of clean water and go to see the doctor Cleaning UPS Clean the UPS periodically especially the ventilation holes to ensure free airflow inside the UPS If necessary clean the UPS with a vacuum cleaner Confirm that the ventilation holes are unobstructed Checking UPS State It is recommended to check the UPS operatio
61. rectifier PFC circuit The inverter then inverts DC power to pure sine wave AC power and supplies AC power to the load through the electronic transfer switch 3 When the mains is abnormal the rectifier PFC circuit boosts the battery voltage and supplies it to the inverter The inverter then converts it into pure sine wave AC power and supplies AC power to the load through the electronic transfer switch 4 After the mains returns to normal state the UPS will automatically switch to Normal mode from Battery mode the mains power supplies DC power to the inverter through the rectifier PFC circuit and then the electronic transfer switch supplies DC power to the load UPS State And Operation Mode The UPS state and operation modes include Normal mode Bypass mode Battery mode ECO mode and Fault state For the description of indicators in this section refer to Chapter 3 Operation And Display Panel for details Normal Mode When the mains input is normal the load is powered with voltage stabilizing and frequency stabilizing power supply by the mains after processing of the rectifier and the inverter and meanwhile the operation mode that the charger charges the battery is the Normal mode In Normal mode the inverter indicators are on green Bypass Mode If the overload is overtime inverter or rectifier fails during the UPS operating in Normal mode the UPS will switch to Bypass mode and the load is powered by the bypass source which
62. s o Wear rubber gloves o If a battery leaks electrolyte or is otherwise physically damaged it must be replaced stored in a container resistant to sulfuric acid and disposed of in accordance with local regulations o If electrolyte comes into contact with the skin the affected area should be washed immediately with water 2 1 Unpacking Inspection After the UPS arrival you should unpack the UPS and check the following items 1 Visually inspect the UPS appearance for transportation damage If any transportation damage is found please notify the carrier immediately 2 Check the accessories and models against the delivery list If any discrepancy is found please notify the dealer immediately 2 2 Location To extend the UPS life the selection of the UPS location should be e Convenient wiring e Adequate operator access area e Well ventilated location to meet heat rejection requirements O Non corrosive gas surrounded e No excessive moisture and heat sources O Free of dust e Complied with fire fighting requirements e Temperature of operation environment complies with the specifications see Table 1 2 for details Liebert ITA 16kVA 20kVA User Manual Chapter 2 Installation 7 2 2 1 2 2 2 2 2 3 2 3 Distribution Room The UPS is designed for indoor installation which should be installed in clean and well ventilated environment so as to keep the ambient temperature within the specifications range The int
63. s for terminal block Diagonal plier MTC3C Make cables Liebert ITA 16kVA 20kVA_ User Manual 8 Chapter 2 Installation 2 4 Mechanical Installation The UPS is suitable for resistive capacitive load like computer resistive load and micro inductive load It is not suitable for purely inductive load or purely capacitive load like motor air conditioner and duplicator nor can it be connected to half wave rectifier load Two installation modes are available tower installation and rack installation You can select an appropriate installation mode according to the actual conditions According to the different configuration requirements the UPS has two configurations battery modules excluded and four battery modules For tower installation you should prepare the battery rack and battery cabinet for installing the battery modules for rack installation the battery modules and the UPS can be installed in the same rack together 2 4 1 Tower Installation 1 Assemble a pair of support bases accessories and a support base extension accessory together through fastenings as shown in Figure 2 1 Support base ms f y Fastening Figure 2 1 Connecting the support base with support base extension 2 Repeat step 1 to connect another pair of support bases with a support base extension 3 Place the UPS on the support bases and support base extensions as shown in Figure 2 2 UPS Support base Figure
64. sage Description Rectifier over current Rectifier is over current Soft start fail Rectifier could not start due to low DC bus voltage Bypass unable to trace This alarm is triggered by an inverter software routine when the amplitude or frequency of bypass voltage is beyond the normal range The amplitude threshold is fixed for 10 rating This alarm will automatically recover when the bypass voltage goes normal 1 First verify that the bypass voltage and frequency displayed on the operator control and display panel is within the selected range Note that the rated voltage and frequency are specified by the Output Voltage Level and Output Frequency Level respectively 2 If the displayed voltage is abnormal please verify the actual bypass voltage and frequency presented to the UPS Check the external power if it is found to be faulty Bypass protection This alarm is triggered by an inverter software program when the amplitude or frequency of bypass voltage is too high or too low The amplitude threshold is fixed for 10 rating This alarm will automatically recover when the bypass voltage goes normal 1 First check if there are some relevant alarms such as Bypass Phase Reverse Input disconnect Fault If so solve them first 2 Then verify that the bypass voltage and frequency displayed on the LCD are within the limit Note that the rated voltage and frequency are specified by the Output
65. sting User initiated maintenance discharge test 20 capacity discharge UPS system testing User initiated system test Inverter in setting Inverter starting up and synchronizing Rectifier in setting Rectifier starting up and synchronizing Battery reverse Reconnect the battery check the battery connection No battery Check the battery and the battery wiring Auto start After UPS was shutdown at EOD inverter auto starts when utility restore REC FLASH Ongoing update of rectifier firmware UPDATE INV FLASH UPDATE Ongoing update of inverter firmware MONITOR FLASH UPDATE Ongoing update of monitor firmware DSP softwar error Inverter software does not match the rectifier software Note When the alarm is caused through setting the software value by the Emerson authorized engineer if you wish to change the setting values please get in touch with the Emerson local customer service center Liebert ITA 16kVA 20kVA_ User Manual 32 Chapter 4 UPS Operation Instructions Chapter 4 UPS Operation Instructions This chapter gives a detailed description of UPS operation procedures Refer to Chapter 3 Operation And Display Panel for all buttons operation and LED display in operation During the operation the buzzer alarm may appear at this point you should press the ALARM CLEAR button for audible alarm silence AN AN Warning Hazard mains and or battery voltage exists behi
66. t and make sure the bypass is normal and synchronizes with the inverter Otherwise it may result in the load power supply interruption for a while 2 You should select the single POD options or prepare the maintenance bypass switch by yourself so as to realize this function 1 Press the OFF for 2 seconds The inverter indicators are off and the buzzer alarms The load switches to the static bypass and the inverter shuts down Press the ALARM CLEAR button can silence the alarm but the alarm message of the the LCD is not disappeared until the alarm status is cleared 2 Close the maintenance bypass switch on the single POD front panel and the maintenance bypass can supply power to the load If you wish to maintain the UPS you should wait 10 minutes for the internal DC bus capacitance voltage discharging 3 Disconnect the main bypass input output switches LAN caion 1 When the UPS is in Maintenance Bypass mode the load does not have the mains abnormal protection 2 After the UPS switches to maintenance bypass the UPS is not in operation and the LCD is no display and only the user terminal block of the single POD is electrified Be careful when removes the UPS to be maintained 4 3 Complete Shutdown Procedure If you wish to shut down the UPS completely the procedures in 4 2 4 Transferring From Normal Mode To Maintenance Bypass Mode should be followed so as to transfer the UPS from Normal mode to Maintenance B
67. tective panel after the battery module arrival The appearance of the battery module is shown in Figure 1 a e Fixing screw A YA 6 pcs gt MA gt gt Y iv a Protective panel ar Figure 1 Appearance of the battery module Rear panel Operation panel on the front panel of the battery module is not available The battery module provides battery ports battery fuse box and ventilation holes on the rear panel as shown in Figure 2 Battery port 1 Battery port 2 Ventilation holes Battery fuse box Figure 2 Rear panel of the battery module Liebert ITA 16kVA 20kVA User Manual Appendix 1 Battery Module 39 Replacing battery fuse If the battery internal fuse is damaged loosen the protective cover of fuse box on the battery module rear panel and replace the damaged fuse with a new one then tighten the fixing screws of the protective cover of fuse box to prevent electric shock risk during the UPS operation as shown in Figure 3 Protective cover of fuse box o e Figure 3 Schematic diagram of replacing fuse 1 The battery loop and AC input are not insulated a hazardous voltage may exist between the battery ports and ground so it is prohibited to touch them for avoiding electric risk 2 The length of the standard battery cable delivered with the battery module is 0 5m If you need more length cable please cons
68. tery cold start button on the UPS front panel see Figure1 1 At this point LCD displays the start screen After the rectifier start up is finished the fault indicator is off 3 Press the ON button for 2 seconds the UPS will run in Battery mode 4 2 Transferring Procedures Between Operation Modes 4 2 1 Transferring From Normal Mode To Battery Mode In the event of mains failure the UPS will switch to Battery mode If you wish to switch the UPS from Battery mode to Normal mode you should wait a few seconds for the mains input recovery 10 seconds later the rectifier will restart automatically and the inverter will restore the power supply Liebert ITA 16kVA 20kVA User Manual Chapter 4 UPS Operation Instructions 33 4 2 2 Transferring From Normal Mode To Bypass Mode In Normal mode press the OFF for 2 seconds you can switch the UPS to Bypass mode In Bypass mode the load accepts the power not from the pure power output by the inverter but from the mains directly 4 2 3 Transferring From Bypass Mode To Normal Mode In Bypass mode press the ON button for 2 seconds After the inverter runs in normal state the UPS switches to Normal mode 4 2 4 Transferring From Normal Mode To Maintenance Bypass Mode When the UPS is running in Normal mode you can use this procedure to make the load switch from inverter output to AN casion maintenance bypass 1 Before performing this procedure you should check the LED information firs
69. ts the I O cable connections are divided into the following four types 3 in 3 out common source configuration factory default 3 in 3 out split bypass configuration 3 in 1 out common source configuration 3 in 1 out split bypass configuration In accordance with the four types of the two distribution methods this section will introduce the I O cables connection procedures respectively This product is compatible with 3 in 3 out 3 in 1 out default 3 in 3 out Change format according to the following steps if you need the 3 in 1 out system 1 After the 3 in 1 out I O connections are finished by following the instructions in this section power on the system then press the emergency power off EPO switch immediately 2 Set the system to Single Phase Output through the LCD menu Settings gt 3 in 3 out 3 in 1 out 3 Power off the system completely then power on again the system will run in 3 in 1 out mode 2 Terminal block The power cables connection of the UPS should be connected through the l O terminal block located on the UPS rear panel Figure 2 7 gives the terminals distribution of the I O terminal block Bat Bat oN oA OB oC BatN PE mN bN mAbA mB bB mC bC 4 a Il ll T Ow act Ow 2
70. two shorted copper bars 4 as shown in Figure 2 14 oN 0A 0B oC PE mN bN bA bB bC Or O gt E M 8 OP nna pa TF ah 7 T a Lo 1 e e elle s e se sele a 4 5 10 4 fo H O NO 9D j P E j i 5 HH il j T 3 T po I D x n z Figure 2 14 Shorted copper bar connection for the UPS I O terminal block Liebert ITA 16kVA 20kVA_ User Manual Chapter 2 Installation 17 3 Connect the live line main input phase A phase B and phase C N line PE line respectively to the terminal mA mB and mC of the UPS I O terminal block shorted copper bars 4 of mN and bN terminals and one screw hole of the shorted copper bar 10 4 Connect the shorted copper bar 8 to one end of the shorted copper bar 7 see Figure 2 14 and connect the liv
71. ult the dealer Liebert ITA 16kVA 20kVA_ User Manual 40 Appendix 2 Optional Part List Appendix 2 Optional Part List The optional part list is given in Table 1 Table 1 Optional part list Optional part Type Remark UF SNMP810 SNMP card assembly used in Intellislot UPS ROHS UF DRY320 Dry contact extended card used in UPS R5 Communication options UF DRY310 Dry contact card and its assembly usd in UPS R5 UF RS485 RS232 to 485 component UFMOD21Z1 MODBUS assembly used in UPS UFMOD21Z1 R5 UF POD3U20K10 3 in 3 out 3 in 3 in 1 out rack model 20kVA smart UPS single POD UF POD6U20K11 3 in 3 out 3 in 3 in 1 out rack model 20kVA smart UPS 1 1 parallel POD Guide rail rack DMBM4 115 331 Use in rack installation mode POD Battery module U16 07C1 A battery cabinet with one layer Battery cable components Batt binet with emery CADIGEWI U20 24C2 Use in battery perparation by the user two layer Batt binet with attery cabinet wi U20 38C3 Use in battery perparation by the user three layer Use in battery module selection Liebert ITA 16kVA 20kVA_ User Manual
72. y e Full digital control technology based on digital signal processor DSP to achieve high system reliability with self protection and fault diagnosis functions O Intelligent battery management to extend the battery module life e Operation and display panel with both LCD and LED indication to help you learn about the system operation status and operating parameters e 3U thickness Tower installation and rack installation are optional to meet different installation requirements e Capable of ECO mode which helps you save energy to the maximum extent e Flexible network management with Emerson monitoring software O Fan fault self inspection and automatic recognition function e SNMP card optional providing network communication function e Capable of connecting multiple battery strings extending the power supply time of Battery mode 1 2 Model Configuration Two models are available for Liebert ITA 16kVA and 20kVA UPS UHA3R 0160L UHA3R 0200L The description of model configuration is shown in Table 1 1 Table 1 1 Model configuration UHA3R 0160L For single and parallel 1 1 system four battery modules are available for 1 1 parallel system or more battery connection is required A F 7 UHA3R 0200L For single and parallel 1 l 1 system four battery modules are available for 1 1 parallel system or more battery connection is required Liebert ITA 16kVA 20kVA User Manual 2 Chapter 1 Product Introduction 1 3 Appeara
73. y between Monitor Board and Digital Signal Processor Board Manual on Manual Turn On through operator control and display panel Manual off Manual Turn Off through operator control and display panel EPO Press the EPO switch directly or receive the external EPO command Transfer confirm Prompt to press the Enter key to acknowledge that an interrupted load transfer to bypass will happen Transfer cancel Prompt to press the ESC key to avoid that an interrupted load transfer to bypass will happen Fault clear Press FAULT CLEAR Alarm silence Press ALARM CLEAR Turn on fail Inverter failed to turn on when INVERTER ON direct access key was pressed This may be as a result of Invalid Operation Maintenance bypass on or DC bus or rectifier not ready Alarm silence cancle Press FAULT CLEAR or ALARM CLEAR Bypass mode The UPS is in Bypass mode Normal mode The UPS is in Normal mode Battery mode The UPS is in Battery mode Check UPS output The UPS is off and has no output Battery float charging Battery status Float charge mode Battery boost Battery status Boost charge mode charging Battery discharging Battery status discharge mode Battery period testing Automatic periodic battery maintenance discharge test 20 capacity discharge Batt capacity testing User initiated battery capacity discharge test 100 capacity discharge Batt maint te
74. ypass mode Disconnect the external input switch if you wish to isolate the UPS from AC power Liebert ITA 16kVA 20kKVA User Manual 34 Chapter 4 UPS Operation Instructions 4 4 4 5 4 6 4 7 4 8 EPO Procedure There is an EPO switch on the UPS operation and display panel The EPO button is designed to switch off the UPS in emergency conditions such as fire flood and so on The system will turn off the rectifier inverter and stop powering the load immediately inverter and bypass included and the battery stops charging or discharging Ifthe mains input is present the UPS control circuit will remain active however the output will be turned off To remove all mains power from the UPS the external input switch should be disconnected Auto Restart When the mains power failure the UPS draws power from the battery to supply the load until the batteries are depleted Then the UPS will shut down The UPS will automatically restart and recover output power O After the mains power is restored e The UPS Auto Restart function is enabled O After the Auto Restart is delayed default 10 minutes During the Auto Restart delay the UPS will charge the battery to provide a safety margin for equipment shutdown if input power fails again If the Auto Restart function is disabled you can restart the UPS manually by pressing the FAULT CLEAR button UPS Reset Procedure The EPO action or the following reasons such as i
75. ystem connect the input cables L N PE respectively to the corresponding terminals on the user terminal block of the 1 1 POD rear panel 2 Connect the output cables Connect one end of the output cable to the user terminal block of the 1 1 parallel POD and connect the other end of the output cable to the load 2 9 Common Battery Strings All the UPS singles in parallel system not only can share the battery strings but also can use the battery strings independently The battery strings sharing in parallel system can save money for you The following section will introduce the connection and setting operation of common battery strings in parallel system Each UPS single should be equipped with the independent battery MCB Refer to Table 2 2 and voltage of battery strings for battery MCB type 1 Connection Power off the system completely and disconnect all the battery MCBs of the UPS single and then connect the terminal N and of the shared battery strings respectively to the terminal Bat Bat N and Bat see Figure 2 7 of the corresponding UPS single I O terminal block in parallel system through each battery MCB 2 Setting Power on the system set each UPS single to battery strings sharing configuration through the LCD menu Function Settings gt Common Battery Strings Settings from each UPS single set the LCD menu Function Settings gt Battery Cell Settings and Battery Capa

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