EA980 Series User Manual - Lanches
Contents
1. Fig 13 Overall profile The air flow inside of the UPS is directed from bottom and side to coping Please keep adequate space for good ventilation Place the UPS well and then stamp down the brake near the front wheel to prevent shifting itself 2 6 Breaker Cable s selection The cable for different capacity of UPS has different grade unsuitable cable or air circuit breaker will cause danger The selection principle for power cable s density is 3 5A mm2 for middle and small power UPS 2 5 3A mm2 for big power UPS Meanwhile note that the maximum voltage within the power cables to be chosen should be not more than 3V There are neutral wires both for input and output of UPS system For the UPS with triple phase in and out the cross sectional area of input neutral wire should be 1 5 1 7 times of phase wire or live wire UPS system has grounding wires for safety protection and lightning protection 27 EA980 User Manual whose cross sectional area should be 0 5 1 0 times of phase wire and not less than 6mm2 2 6 1 Breaker selection Max Max Input Output Input Output input input Model voltage voltage breaker break2. D Fig 20 UPS operation amp control and LCD display panel 1 Display UPS working parameter and status 2 Battery output indicator blue light when battery supply power to UPS 3 Mains power input indicator blue light when mains power normal 4 Bypass output indicator blue light when UPS output is in bypass mode 5 Inverter output indicator blue light when Inverter is working 6 Output indicator blue light when inverter or bypass work normally 7 Overload warning indicator yellow light with alarm when UPS overload in bypass or inverter mode 8 Warning indicator yellow light with alarm when UPS has fault at working 9 Fault warning indicator red light with alarm when UPS has fault 10 Back button press it to back to last page or exit used to back to last 45 EA980 User Manual menu or cancel the parameter setting 11 EPO press it for tum off UPS in emergency 12 Scroll up amp select key use to scroll up and browsing multiple lines text 13 ON press it more than 1 second the UPS will start 14 Scroll down amp select key use to scroll down and browsing multiple lines 15 OFF button press more than 1 second the UPS will turn off 16 Enter press to confirm where the cursor points or parameter setting 7 3 Menu description 1 When UPS
3. 37 EA980 User Manual Section 4 Installation and Testing of Parallel System The installation of parallel machine shall comply with the installation procedures of the single machine system and the requirements of this section 4 1 UPS single machine of parallel system Put single machine side by side and install them according to the Fig 1 Because of no external bypass cabinet so we should connect input and output of every UPS together Pay attention to the correction of the phases connection That s to say the input phase A of 1 UPS should connect to the 2HUPS s the input phase B of 1 UPS should connect to the 2HUPS s the input phase C of 1 UPS should connect to the 2 UPS s The sequence of the phases A B C is the same with the single UPS And the same way to connect the output phases then connect the loads The connection way of battery cabinet is the same with the single UPS They can t share battery pack 38 EA980 User Manual o TST q e w P L1 L2 L3 N Ser Output distribution Fig 1 Typical 1 N system principle diagram All the parallel cables is double insulated shielding parallel controlled cable with 25 pins it can form a closed loop as the Fig 2 shows UPS O P Paralleling panel Paralleling panel X2 2 X24 4 Paralleling panel Paralleling panel Paralleling panel Paralleling panel 39 E
4. Input and output ground 2200Vdc leakage current is lower than 3 5mA 1min without flashover Surge protection Meet the IV installation location requirement of IEC60664 1 that is the ability of bearing 1 2 50us 8 20us combination wave is not lower than 6KV 3KA Battery 12V battery 32 PCS positive battery 192VDC negative battery 192VDC Top and bottom incoming and outgoing 620 800 1445 Machine size WxDxH mm 220 240 250 260 280 N W without battery kg pack Protection degree IP20 IEC 60529 Table 1 Specification 1 3 3 Detailed instruction of function features EA980 User Manual 1 3 3 1 Rectifier 1 Power factor correction Rectifier possesses the power factor correction function Under the condition of output full load the input power factor is larger than 0 98 and the input current THD is smaller than 8 Figure 7 Input voltage and current waveform 2 DC bus soft start up Rectifier can realize the soft start up of the direct current bus voltage to ensure that no impact current to the bus capacitances 3 Protection and alarm of rectifier Main input abnormal If any phase voltage of input is lower than 160V or higher than 280V the rectifier will be closed UPS will switch to the battery mode and the LCD will display the alarm messages Input frequency abnormal If the input frequency exceeds the range of 40 70Hz the alarm single of the input frequency abnormi
5. explosive and other dangerous goods is forbidden Keep good ventilation around UPS to prevent obstructing the cooling channels of UPS Keep adequate space all around the UPS for future free maintenance and operation 1 meter at least v tis recommended that there should be a professional or technician for UPS room management non professional or unqualified people is forbidden to enter in 2 4 Unpacking Before unpacking inspect if any damage on the package due to the transport process and check the product model label Unpack the package and check if all the accessories are included and real product inside is right for you 2 4 1 Accessories User manual 1pc CD for monitoring software 1pc Cables for RS232 and USB interface each 1pc 2 4 2 UPS specification confirm Make sure the following parameters can meet your requirements such as UPS capacity voltage and frequency of input and output phase of input and output DC voltage and so on 2 5 Structure instruction 26 EA980 User Manual
6. AC bypass by input circuit breaker CB2 and static bypass to the load In addition for maintenance or repair of the UPS it can supply power from the internal manually bypass by circuit breaker CB3 to the load Please turn on all the switches excluding the maintenance bypass switch when the UPS running normal The whole system is using the full digital DSP control UPS inverter control Phase synchronization input rectifier control logic control and so on those are using DSP digital signal processing therefore high precision high speed simple control circuit and high reliable EA980 User Manual CB3 Bypass o CB2 Input CBI 1 o CB4 Output Bat allo Ve Figure 2 Schematic diagram for the single system 1 1 4 Separate bypass input Figure 2 describes the schematic diagram for the EA980 UPS with the separation of bypass power that bypass using the independent mains power input In the separation of bypass power configuration the static bypass and maintenance bypass using the same individual bypass power connect with a individual power switch and dedicated bypass power If without the individual bypass power should be shorted connect the bypass and rectifier input power terminals 1 1 5 Static transfer switch Figure 2 shows the static switch including electronic control switch circuit allows the load connected to the inverter output or connected to bypass power by the static bypas
7. and bypass in order to achieve continuous and intermittent switching between the judge Including the voltage amplitude range and frequency range When the bypass voltage amplitude or frequency over range the scope of all that pass beyond the switch Voltage amplitude range is fixed at 187 253V range Frequency range defined below B Bypass can track the scope When the bypass is within the scope of traceability the mean bypass and inverter are synchronized state Including the range of voltage amplitude and frequency can be within tracking range When the bypass voltage amplitude or frequency range than can be tracked all that could be tracked beyond the scope of bypass Tracking range can bypass the default value is 5Hz 4 Bypass is the scope of protection The scope of protection means can be available when the bypass is in this state any time bypass can t supply power Including amplitude and frequency range can protect the scope of protection When the bypass voltage amplitude or frequency range than can protect all that can bypass beyond the scope of protection Bypass may include a limit on the scope of protection and a lower limit 5 Function A Inverter on off control Inverter can be opened manually by the user or use the keyboard to clear the fault to open or electricity restored automatically Inverter can be closed manually by the user or system failure shut down automatically Some serious problems EA980 User Manu
8. mins to switch to bypass 125 150 load after 60s to switch to bypass gt 150 load after 1s to switch to bypass Between 105 to 50 close inverter according to overload curve EA980 User Manual Overload feature Load gt 105 Operation start Inverter stop LOAD 105 200 OUTPUT CURRENT Figure 8 overload curve Overload capacity is so strong lt 180 load working normally Load gt 180 work for 1s 2 Inverter use advanced modern digital control mode with a variety of load capacity and the output voltage distortion become small I OO i TIEFE i RARES EEEE Sun HA tite RCCL F imi ji I a TT i i HEHA em A ie 3 et 3 HHH Pern Fa x ri HHHH A aa m KH HH a ARE pres tegtowerlimit Pros 1 ER CPE eee eee HHHH t _ l FERRER EE i i Epa is within the solid red limes for displacement power factor balance 3 phase load Safe operating area limits cab be exceeded for transient loads as described in the PRS Figure 9 Inverter PF vector graph EA980 User Manual Figure 10 Inverter with resistive load and rectifier load voltage and current waveform 3 Bypass range A Switch Range Definition of the scope switch inverter
9. needs to completely shift the commercial power supply of UPS the external input switch of commercial power shall be disconnected First it needs to completely disconnect UPS it is to disconnect the input switch manually and then UPS can exit the emergent power off situation 5 6 Automatic start up When the Mains power is interrupted UPS supplies the load through the battery system until the battery discharge reaches to the end of discharge voltage EOD UPS stops the output When the Mains power recovers UPS can start up automatically and recover the output supply 5 7 Language select LCD menu and data have both English and Chinese display The setting can be selected through the menu of panel 5 8 Change current date and time This can be set up through the menu of panel 43 EA980 User Manual 44 EA980 User Manual Section VI Operational amp Controlling Display Panel 7 1 Introduction UPS operation display screen is in front panel user can set and check all UPS parameter UPS amp battery working status event and alarming information It can divide into three parts according to function difference simulation state diagram LCD display and menu key and control amp operation key 7 2 Functional operation key OUTPUT OVERLOAD WARNING FAULT gt 100 oe 5 110 EPO 7 GO 0120 010 Yp ot i 130 GQ 0140 DOWN e D 150 G OFF ENTER 0 160
10. the full load capacity of 3 machines The function of the parallel redundancy system will be no use when the load capacity is over Section V Operation Procedure After installing and debugging of the authorized maintenance engineer UPS can be run according to the mode of Section Il This Section describes the operation procedures in various running modes for the operator including the start up procedures of UPS the operation procedure to shift the load to bypass and the power off procedures of UPS Note 1 Please see the user s operational key and LED display related to the operation procedure in Section VI Note 2 Please see all the power supply switches in UPS cabinet visible when open the front door of cabinet with lock in Fig 14 5 1 Preliminary of start up 1 Make sure all connection wires and power source is correct before start up 41 EA980 User Manual 2 Check if input voltage and frequency is within UPS range 3 Check if all the UPS switch is under close up status 5 2 Start up procedure 1 Turn on battery switch 2 Tum on AC input switch the power supply board start to work LCD display welcome INPUT lights up Turn on bypass switch bypass BYP lights up output OUTPUT lights up UPS gets into bypass status 3 Start UPS Press key ON longer than 1 second After about 10 seconds UPS switch to inverter output INV lights up 4 Turn on output switch 5 3 Procedure
11. 0V NEGATIVE BUS 360V HOUUOUUUDEO HUOUUOUUOUEO L L L 10 Working status EA980 User Manual STATUS WORK VOD ONY TON VOLTAGE MODE 3IN3O0UT SYSTEM NORMAL FAULT CODE 000 WARNING CODE 000 11 Historical record interface Clarification it can keep 500pcs historical record the latest record show on the first showing method month day hour minuit second event code if record more than 500pcs the earliest one will be cover each page shows 6 record user can press UP and Down to check more record III Cid HISTORY L 02 21 18 18 11 UPS OFF 02 21 18 17 11 BAT MODE 02 21 18 16 11 BAT TEST MODULE 02 21 18 15 11 RS INV V SHORT L 12 Setting interface 1 Main interface of setting 50 EA980 User Manual 2 Interface of language selecting 3 Interface of time setting 4 Interface of communication setting 51 O COMMUNICATION SET O PROTOCOL Mm E A gt COM ADDR BAUD RATE 1200 EA980 User Manual 52 EA980 User Manual Section VII Daily Maintenance 7 1 Battery use and maintenance 1 Please assure battery working environment temperature is 20 25 C it can extend battery span life Please regularly check battery pole and battery head see whether it s firm connect Please clear dust on battery regularly to avoid short circuit Please use wet cloth when clearing battery do not use organic solvent Please regularly check singl
12. 3 2 Product specific parameters premente a a Input e Main input Input mode Three phase four wire Total Harmonic Distortion lt 5 Harmonic current THDI EA980 User Manual Voltage Range 120 208V 284 492V Phase voltage Line voltage 160 277V 284 492V Full load 120 208V 160 277V derating 50 load operation F Input voltage 380V 400V 415 line voltage Input voltage range Bypass 20 50 settable input Frequency range Steady state voltage precision 0 5 balanced load Dynamic voltage transient UT 5 0 100 variation in load Output THD lt 3 phase voltage linear load non linear load Power factor ose 0 8 lag Frequency tracking range 50Hz 3Hz Frequency precision 0 05Hz battery inversion Three phase separation 120 0 5 balance or unbalance load Frequency tracking rate Inverter overload capacity 105 load long time operation 125 load transfer to bypass after 10 minutes 150 load transfer to bypass after 1 minutes gt 150 load transfer to bypass after 1 minutes EA980 User Manual pypass ovengad capacity lt 150 load long time operation 150 lt load lt 180 last for more than 1 minutes load gt 180 last for more than 1 minutes Normal gt 90 ECO mode 98 Display LCD LED EMS IEC61000 4 2 ESD IEC61000 4 3 RS IEC6100 4 4 EFT IEC6100 4 5 Surge Insulation resistance gt 2M 500VDC Insulation strength
13. A980 User Manual Fig 2 Schematic diagram of parallel signal cable s connection 4 2 The procedure of parallel system testing 1 Connect the input cable 1 Turn off the mains breaker and connect the AC power to the terminal of each UPS in the correct phases order Each UPS should connect the battery the connection method is the same with the single UPS 2 The parallel cable is the standard double insulated shielding parallel controlled cable for the machine Use the parallel cable connect all the UPS refer to the Fig 2 3 The output power cable of each machine is connecting to the load The connection method is the same with the input 2 The test of start up 1 Turn on the N switch AC input breaker and bypass breaker of all the UPS Turn off output breaker of all the UPS The power boards start to work and the LCD will show welcome interface The INPUT light up when you turn on the bypass switch the BYP light and OUTPUT light up The UPS will change to the BYPASS mode 2 Start up Pressing the ON button more than 1 second after 10 seconds UPS will be inverter output the INV light up 3 Measure the each phase voltage in the output breaker and compare the relative phase voltage with the other UPS If the voltage difference within 0 5V you can turn on the output breaker of all the UPS Then the machines can work normally with load 4 3 Testing item of parallel system 1 Test the equalized current C
14. EA980 User Manual EA980 Series User Manual 10 60kVA DC 192V EA980 User Manual Content Section l EA980 Product System Overview 3 TALINTOQUELION REDE a CR fate a ae nn ne tr RR ER DA ARRASTADO A an ea pen rt 3 1 1 4 Separate bypass input css pasa nn ne ti dela 5 1 1 5 Static transfer SWIC ejected oras ne Se anne 5 1 2Running MO 00800 escent hed nes ar tected annee Saleen ne SIA dc 6 1 2 1 InVverter mode sis ms iam RUE Aa eae AUG A Ru a ee Ces 6 1 2 2 Battery Mode ssa assassinas a Da M ER Maine tes 7 1 2 3 Bypass mode ota a ce CT a a ee nt 7 1 2 4 Maintenance mode manual bypass 8 1 2 5 Parallel redundant mode system multiplication 9 1 2 6 Hot backup Modeen ae ai e EA temas va tasas eine 9 1 3 1 EA980 Series UPS performance features 9 1 3 2 Product specific parameters rs 10 Table Te Spe ificati n nn PR DG eaa 12 1 3 3 Detailed instruction of function features 02 0 eee eteeeeeeteeeeeeeesees 12 2 INTOGUCTIONY srs te taut net a tetas nea ne eae e nn SN nn 25 Section Ill Installation of Battery 32 Det UO GUCTION synk e eT ren eee a ain neues sek es Peter ent se for en Pen 32 3 2 Saf ly ics sina aee lo Sa Cadena a a Sadek eA dd te 32 3 3 Batlery Cabinet une ta a e das ti ns nn ie 33 3 3 1 INTFOQUCUON 25 RD REPRESA ad eh anes DRT RD des 33 3 3 2 Environmental temperature 34 3 4 Power cable of battery rr errerereereeeneearae
15. MINALS Fig 16 Battery connection 3 4 Power cable of battery 3 4 1 Installation of battery EA980 User Manual 1 Generally the space between the vertical surface and the sides shall be at least 10 mm which can make the surrounding air freely flow 2 There shall be a certain space between battery top and the above barricade to facilitate the monitoring and maintenance of battery 3 The battery shall be installed from the bottom to the top to avoid the top heaviness 4 There shall be retained more than 1 meter s space around the battery cupboard which can facilitate the maintenance and air flow 3 4 2 Battery connection 1 When the battery cupboard is installed on the elevated floor the power cable of battery and the battery switch controlled cable can enter UPS cabinet from the bottom If UPS is installed adjacently to the battery cupboard on the solid floor these cables can pass through the machine cabinet through the underside incoming hole of battery cupboard 2 Generally it suggests connecting the cables between the same layer batteries first and then connecting the cables between the layers finally connecting the battery switch and battery terminals 3 Install the insulating cover to the terminals after connecting the battery terminals 4 Connect the switch end first when connect the battery terminal and cables between the battery switches 36 EA980 User Manual
16. User Manual The user cannot operate the parts that needed the tools to open behind the protection lap only the qualified personnel is permitted to open this type of protection lap Besides please disconnect the internal battery before operating the isolation terminals used for connecting external battery The following safety notes shall be paid attention when use battery 1 There is the electric shock when use battery Large short circuit current can cause fire danger 2 The voltage of the assembled batteries is 480Vdc with deadly danger so please comply with the safety notes of high voltage operation 3 Onlythe qualified personnel can install and maintain the battery 4 Wear the eye shield to avoid the accidental injury of arc 5 Take down the ring watch necklace bracelet and other medal ornaments 6 Use the tools with insulated handle 7 Wear the rubber glove and apron when use battery 8 The leaked or damaged battery shall be put in the sulfate resistant container and it shall be disposed as scrap according to local regulations 9 Immediately clean the skin if it contacts the electrolyte 10 Scrap disposal of the battery shall comply with the local environment laws The quantity of new battery and old one shall be the same when replace the battery 3 3 Battery cabinet 3 3 1 Introduction This battery cupboard can be used together with other machine cabinets so that it can contain more batteries to provide t
17. aananaa 35 3 4 1 Installation of battery errar 35 3 4 2 Battery connection 36 Section 4 Installation and Testing of Parallel System 20 0 eeeeeseeteneteeeeseneneeees 38 4 1 UPS single machine of parallel system 38 4 2 The procedure of parallel system testing 40 4 3 Testing item of parallel system erra 40 Ac Special Notice bn asma aa animando irado ad a 41 Section V Operation Procedure ear E Sedan is aaa 41 5 5 Procedures of emergency power off EPO 43 5 6 A tomatic Start P oin tis ess ieee mu lun ns nn q ORE ad LADO coh AR ALAR tien aa 43 5 7 Language Select nm tire behind teehee 43 5 8 Change current date and time 43 Section VI Operational amp Controlling Display Panel 45 TA INtroduetion 25 52 5588 8 minime reger ear adi ain a a ES 45 EA980 User Manual Section I EA980 Product System Overview 1 1 Introduction 1 1 1 Brief introduction of EA980 3 3 High Frequency UPS EA980 DC 192V series is dual DSP control technology using high performance all digital UPS Rectifier with power factor correction its performance indexes reach the industry leading level Power level covers 10 60kVA EA980 UPS connection between the mains and the critical loads providing high quality power for the load It uses high frequency dual transform pulse width modulation PWM and digital control DSP technolog
18. acturer e UPS Model e Capacity e Controlling software e Display software 2 LED display The power flow direction of the system is displayed by five LED e INPUT e BAT e BYP e INV e OUTPUT The green LED means UPS is working on AC mode the yellow LED means UPS is working on battery mode and other 3 LED are for alarming eOVERLOAD 21 EA980 User Manual eWARNING eFAULT Yellow LED is for warning Red Led is used for the fault alarm 3 Key press There are seven keys on the panel which include four menu keys inverter start up key inverter turn off key Emergency Power Off key EPO e The four menu keys can be used for choosing the menu screen displayed by the LCD e Inverter start up key is used for starting the inverter e Inverter close key is used for turning off the inverter e Emergency power off key is used for the rapid shutdown in the urgent situation 4 External interface UPS provide several interface communication methods including by RS232 one to one communication long distance communication by RS485 and monitoring by dry contact UPS have extended communication port which allows connections to SNMP card SMS alarm management module temperature and humidity monitoring module options in order to achieve long distance alarm and networking management Communication software is mainly used for monitoring UPS working status sending email controlling of UPS and alarm records timing on off servi
19. al such as static switch failure may permanently close the inverter until the systems power B Output switching logic The system automatically switching logic for each switch the selection mode switching logic synthesis bypass state the inverter status and fault information to determine the switch mode If the inverter is synchronized with the bypass state then the inverter and bypass the phase difference between the less than 5 degrees C Parallel operation This series UPS supports up to six units to be parallel Flexible and reliable operation of logic and computer system can guarantee high reliability and load stability Parallel logic can coordinate all the inverter parallel system operating behavior 6 Protection and alarm Anti bypass phase sequence protection If the bypass reversed phase sequence then the system will default that bypass is super state protection at any time the load can t be powered by the bypass Fault alarm has been existed until the systems power Inverter heat sink over temperature protection For each IGBT temperatures were monitored if the inverter IGBT substrate temperature exceeds 85 5 C inverter will be shut down turned to bypass the load power IGBT temperature was down the system automatically switch to main LCD will display the alarm information Inverter fault protection When the inverter has been opened after a certain time if the inverter output voltage in excess of CBEMA curve there will b
20. ass switch is located inside the standalone UPS its capacity can meet the total load capacity requirement of UPS Bypass Input 1 o Output Figure 6 Maintenance mode manual bypass EA980 User Manual 1 2 5 Parallel redundant mode system multiplication In order to improve the system capacity or reliability or to improve both of them we can set couple of single UPS to parallel UPS The parallel control logic in each single UPS can ensure all the single UPS divide the loading automatically The parallel system can make up with 6 units single UPS at most 1 2 6 Hot backup mode This is a 1 1 parallel mode it can improve the system usability and reliability Two units single UPS hot backup mode UPS1 connects to the major loading UPS2 connects to the bypass The other AC inputs of the system connect to the utility power UPS1 amp UPS2 Output synchronization ensure the load power do not interrupt when the load transferring between UPS1 amp UPS2 This mode can ensure the UPS meet the power requirement for specified load meanwhile it can offer stabilized voltage and frequency to the bypass 1 3 EA980 Series Features 1 3 1 EA980 Series UPS performance features Three phase input and output to support the power system of 380 400 415V 50 60Hz e Pure online double conversion to support the optimal power supply quality e Applicable for all kinds of load and possess high overload capacit
21. but positive bus and negative bas still lower than rectifier voltage or battery voltage it will showing soft start fault and alarm Input over current protection If the input current of the rectifier is larger than 4 6 times of the IMAX current limit effective value the rectifier will switch to the battery mode to supply the power The LCD will display the alarm messages 1 3 3 2 Battery 1 Charge When the rectifier is running the battery converter intelligently charges to the battery under the normal commercial power EA980 User Manual The conversion of the constant current charge constant voltage charge and float charge can be realized automatically and smoothly The battery type includes the valve regulated lead acid battery nickel cadmium battery and wet battery 2 Discharger When the rectifier is closed or under the condition of the input over current the battery converter will supply the power to inverter 3 Protection and alarm Battery discharge interruption EOD protection If the battery voltage is lower than EOD shutdown point the battery converter will be closed The EOD shutdown point is 1 75V If battery charger temperature higher than 85 5 C battery charger will be turn off If battery charger voltage abnormal it will alarm also and also showing the alarm information 1 3 4 Inverter and Bypass 1 Inverter has big strong overload capability 105 load working normally 110 125 load after 10
22. ce functions and so on Below are the instructions for each interface e RS232 communication instruction RS232 is for close communication one to one normally the distance is less than 10meter and pin functions are defined as below DB9 port pin no definition NO RX TX NO GND NO NO NO NO 22 EA980 User Manual e RS485 communication instruction This UPS adopts communication method of dual line several points and dual directions it allows long distance many to many monitoring output communication cable adopts twisted pair connection three output lines are A 485 B 485 and GND e USB communication instruction UPS is with standard USB communication port including communication cable it can meet the requirement of communication if there have no RS232 it is convenient to monitor and manage UPS in real time e Dry contact communication instruction The voltage and current of electrical independent contact is AC 120VAC 1A or DC 24V 1A output signal instructions are as below Signal OVER BAT LOW INPUT BYPASS FAULT BAT definition LOAD Always Always Always Always Always Always Interface open open open open open open terminal always off always off always off always off always off always off Low AC input is Output UPS Battery battery Bypass Instruction normal overload abnormal mode voltage action action action acti
23. connect with Mains power LCD screen show as below Clarification after 2sec it will enter WELCOME interface TO BE A SUSTAINABLE GLOBAL BRAND ONLINE UPS PLEASE WAIT 2 WELCOME interface Clarification every interface hold on more than 5min or press ESC in sub interface it will back to WELCOME If UPS system has fault it will highlight corresponding fault 3 Main Menu interface Clarification through up and down key to select the sub interface then press ENTER to access to it the selected one will be highlight 46 EA980 User Manual ON LINE UPS ON LINE UPS INPUT AC STATUS INPUT BYPASS HISTORY LOG OUTPU SYSTEM SET LOAD MANUFACTURE INFO BATTERY BUS 4 Input Mains parameter FREQUENCY LI MAX VOLT MIN VOLT 5 Input bypass parameter OOO INPUT BYPASS E OR US OT VOLT 220V 220V 220V FREQUENCY I 2 0A I 4 50 0 Hz E 6 Output parameter 47 EA980 User Manual OUTPUT OR OS O0 O 220V0 220V0 220V BRON NERO OA FREQUENCY O O 50 0 Hz LOAD 000 000 000 7 Load parameter LEE EN OJAN D E OR OS OT ACTIVE POWER O KW 00 0 00 0 00 0 APPARENT POWER KVA O 00 0 00 0 00 0 E 8 Battery parameter UOI BATTERY POSITIVE BATTERY NEGATIVE BATTERY DISCHARGE CURRENT CHARGE CURRENT BATTERY CAPACITY E 9 Bus parameter 48 EA980 User Manual Ut o BUS POSITIVE BUS 36
24. e cell see whether cell voltage normal if not please replace in time Please regularly check battery see whether it s bulge or leakage if had please replace in time Please use same brand and same capacity battery as previous one when replacing battery do not mix old and new If long time no mains power failure please do regularly artificial discharge once per 4 6 month and discharge capacity should be controlled around 50 of battery capacity Do not discharge battery by small current to prevent small current deep discharge to damaged battery 7 2 UPS maintenance 1 Please regularly check UPS input output wire see whether connect well any damage Please regularly check UPS working situation Please regularly check UPS fan to avoid debris blocked outlet Please regularly clear UPS inside to avoid UPS failure caused by too much dust 7 3 Safe step of maintenance Proper maintenance operation can keep UPS working at the best condition extend UPS span life also safeguard security of person so maintenance 53 EA980 User Manual operation must been carried out by professional please note the following 1 Operator must familiar with contents of user manual and know well of the equipment 2 Please be caution of UPS inner high voltage must assure UPS inside has no electricity before maintenance 3 Please take off gold silver jewelry watch etc before maintenance operation 4 Maintenance operat
25. e that the inverter fault the inverter will be shut down the LCD will display the alarm information UPS will switch to bypass Inverter IGBT protection If any phase of the inverter appears IGBT over current the inverter will 18 EA980 User Manual immediately shut down LCD will display the alarm information DC bus over voltage or low voltage fault If any bus voltage higher than 410V or less than 290V and for some time the inverter will be shut down UPS will switch to bypass Inverter overload switch Inverter overload situation required sustained through some time UPS will supply power through inverter switch to bypass After Switched the inverter is in hot standby When overload disappears the system will automatically switch inverter power supply Inverter limited current little by little When the inverter rated output current of the peak current greater than 2 to 3 times as the inverter will be limited current For example after the output short circuit the protection will work Inverter is non synchronized If the inverter can t be synchronized with the bypass will report this warning message The current of Parallel system isn t on average If any UPS system in the uneven flow of a single degree of more than 30 will report this warning message 1 3 5 Monitor 1 UPS basic information eUPS Name eUPS Model eWorking mode eUPS Error information eUPS Alarm information e Current date and time The parameters
26. er current current VAC VAC A A A A EA9810 220 220 22 15 50 50 EA9820 220 220 44 30 63 63 EA9830 220 220 66 45 80 80 EA9840 220 220 88 60 100 80 EA 9850 220 220 110 75 125 100 EA9860 220 220 132 90 150 125 Note Abandon the breakers with leakage protection 2 6 2 Power cable selection Unit mm Input Output BAT Model T S T m i EA9810 6 6 6 10 10 EA9820 6 6 6 6 6 6 6 6 6 10 10 EA9830 10 10 10 10 10 10 10 10 10 20 20 EA9840 16 16 16 16 16 16 16 16 16 30 30 EA 9850 25 25 25 25 25 25 25 25 25 50 50 EA 9860 25 25 25 25 25 25 25 25 25 50 50 Note The real cable applied should be no smaller than the figures in the table above 2 7 Terminals instruction All the terminals are on the front panel and bottom of UPS case See the figure below for details on terminals plate 28 EA980 User Manual ll fe il O o O 10 O O O Il O ii O O Il C Mains A B C Bypass A B PE Input N Output N Fig 14 Terminal blocks profile 2 8 Installation and Checking 2 8 1 UPS checking After UPS installation please inspect following items Whether the brake near the front wheel fixed steady or skew Whether scratch or hit damage on he UPS Whether there are sundries around the UPS body 2 8 2 Cables connection After the complete position of the UPS link the power wires as below 1 Completely cut off all input dist
27. essurization circuit into the inverter and provide backup power to the load from the inverter this operational mode calls battery mode When the mains failure the system will switch to battery mode automatically continue providing load power When the mains recover the system will switch back to normal running mode automatically no need manual intervention and the load power never interrupt Bypass Er o K Filter INV Input gt Bat T i Figure 4 Battery working mode 1 2 3 Bypass mode When inverter is abnormal such as overload or be turned off by manual UPS will turn off the inverter automatically and turn on the bypass static switch and then the bypass will supply the power to load EA980 User Manual Bypass Filter REC PFC INV Input Ny ay o Ny A Output Bat dj Figure 5 Bypass mode 1 2 4 Maintenance mode manual bypass When UPS is under the situation of reparation or maintenance in order to make sure keep providing continuous power supply to the load the user should make the UPS turn to bypass working mode and turn on maintenance bypass switch then turn off the UPS input output switch and battery switch therefore the UPS will enter into maintenance mode shows as the arrow indicated in the figure It is safe to repair the UPS as there is no electricity in the inner UPS at this time The manual byp
28. he system longer backup support time If there are two or more battery cupboards which shall be installed side by 33 EA980 User Manual side and mutually connected Besides it suggests connecting the batteries in the general output end in series after paralleling the breakers output end of battery cupboards 3 3 2 Environmental temperature Valve control lead accumulator is very sensitive to temperature so the valve control battery shall be used within the temperature of 15 C 25 C When the temperature is below 25 C the environmental temperature increases 1 C the battery capacity will increase 1 Therefore use the battery above the temperature of 25 C will shorten its service life If the battery and UPS are installed in one room the maximum design environmental protection shall be determined by the battery not UPS That is to say if use the valve control battery the indoor temperature shall be within 15 C 25 C not 0 C 40 C it is the regulated working temperature range of main equipment The temperature is allowed the deviation in a short time on the premise that the average temperature doesn t exceed 25 C 3 3 3 Structural map of battery cabinet 34 EA980 User Manual Top incoming line Oil Bottom incoming line Fig 15 Structure of battery cabinet 3 3 4 Battery connection diagram BATTERY PART 1 BATTERY PART 2 UPS BATTERY TER
29. heck the display panel after the parallel system with load the difference of the load capacity for each machine is less than 5 2 Test of turn off The two machines take 50 load after parallel turn off one of them the other should take the entire load After we restart the machine which was 40 EA980 User Manual off they can share the load again 3 Transfer between AC and battery After parallel two UPS take 50 load transfer mains and battery of them When connect the AC at the battery mode should turn off the battery breaker after 2 seconds it needs 2 seconds for testing after connecting to the AC in order to make sure the AC is in normal not disturb 4 Itis the same way when you connect more than 2 machines 4 4 Special notice 1 Never pull out the parallel cable when the parallel system is under the normal operation 2 Try your best to turn on all the machines after all of them connect to the AC If you can t do this you need to behave hot plug turn off all the inverters switch to the bypass output mode before you get a new UPS parallel 3 It is forbidden for the parallel system to share the battery pack 4 The full load capacity of parallel system should not take the full load capacity of N 1 UPS For example the load capacity of 2 parallel UPS shouldn t be more than the full load capacity of one UPS the 3 parallel UPS shouldn t over the full load capacity of 2 machines the 4 parallel machines shouldn t over
30. ion must use special tools and test equipment 5 During maintenance operator should make relevant mark and record when necessary 7 4 Trouble shootings Abnormal phenomenon Fault diagnosis Solution UPS alarm when connect to battery Battery anode and cathode connection in reverse Check and reconnect battery Fans stop running Fan failed or fan speed control PCB damaged Contact technician for repair UPS cannot startup Circuit breaker is turn on Check circuit breaker Power supply PCB failed Contact technician for repair Battery Breaker is turn on se UPS no output when or damaged CHSC CICUILDICAREL main power off Battery capacity is not Contact technician sufficient to provide power for repair UPS cannot get normal communication Communication software setting fault or communication cable damaged Reset or replace communication cable UPS cannot start by main power but can start by battery main power soft start parts damage Contact technician for repair UPS charge current too small charge board fault check whether input fuse on charge board is damaged Buzzer alarm for long time and fault LED indicator on Heat sink of inverter is over temperature Check whether heat dissipation is normal UPS internal fault Contact technician for repair 54 EA980 User Manual Battery are normal UPS cannot turn on
31. listed below should be displayed on the LCD screen All displayed 19 EA980 User Manual values should be refreshed within 5 seconds The discrepancy between displayed value and actual value is less than 2 2 Real time data A Mains input e Voltages three phases of mains input e Currents on three phases of mains input e Frequencies on three phases of mains input B Bypass input eVoltages three phases of bypass e Currents on three phases of bypass e Frequencies on three phases of bypass C UPS output e Phase voltages on three phases of output e Currents on three phases of output e Load percentages on three phases of output e Frequencies on three phases of output 5 Load information e Active power on three phases of output e Apparent power on three phases of output 6 Battery e Positive battery voltage e Negative battery voltage e Positive battery current e Negative battery current e Single battery voltage 7 Bus bar ePositive voltage of bus bar e Negative voltage of bus bar 8 Working status 20 EA980 User Manual e Working mode e Voltage mode e System running status e Error information e Alarm information 9 Record of the historical event eWhen the fault appears the record of the historical event should be updated immediately 10 System setting eLanguage selection support 2 languages Chinese and English e Date and time e Communication setting 11 Manufacturer information e Manuf
32. methods to customers The installation personnel need to manage it according to the specific situation on site 2 2 Environment Selection Operation temperature 0 40 C Storage temperature 40 70 C No battery connected 20 55 C Battery connected Relative humidity 0 95 No condensing Altitude 1500m comply to GB3859 2 93 standard Tolerance of verticality no vibration jounce vertical gradient lt 5 UPS system installation environment should be cool and clean enough with good ventilation dust free and low humidity The optimal working environmental temperature for UPS is 20 25 C while humidity is 50 or so Power descending usage is advised and referred as below at altitude above 1500m Altitude m 1500 2000 2500 3000 3500 4000 4500 5000 Descending 100 95 91 86 82 78 74 70 coefficient 2 3 Placement v AC power provided in UPS room should meet the requirement of UPS working Equipped with dedicated input and output circuit breakers UPS can not share breakers with other power units or equipments v UPS should be installed as close as possible to the AC power distribution 25 EA980 User Manual outlet v The floor taken the UPS should be able to stand the weight and dimension Any other dangerous installation is forbidden v In UPS room fire fighting equipments are required while storage of flammable
33. nt power source dismantling the copper bars short connected between the bypass and the rectifier input and connecting the neutral wire of the bypass input and rectifier input together is required gt System output connection Connect the system output cables between the UPS output terminals output A B C N and load Present commissioning engineer should properly manage to make the terminal of the system output cables safely insulated well if the load is not ready to accept power gt External battery connection Connect battery cables between the battery terminals of UPS and battery switch on battery cabinet Pay attention to the polarity confirmation Note Linking from battery switch to battery terminals is considered as the normal 30 EA980 User Manual procedure 2 8 3 Double checking after connection 1 The input and output power distribution switches should be fit for the UPS Both input and output terminals on PDU are supposed to be canonical and regulated 2 Make sure the input and output power cables connected or fixed well with correct phase sequence and label 3 Make sure battery cables fixed well with correct polarity link after batteries placed steadily 4 Make sure system wiring canonical and regulated for free maintenance and expansion in the future 31 EA980 User Manual Section III Installation of Battery 3 1 Introduction UPS assembled battery is connected by several batteries in series t
34. o provide the rated DC input voltage for UPS inverter The required battery backup time duration of load power supply when the utility is interrupted is restricted by the ampere hours of battery So it needs to connect several batteries in parallel sometimes The provided battery cupboard has the following forms 1 Complete set containing battery cupboard battery and protection components 2 Only contain battery cupboard and protection components no battery 3 Only contain battery no battery and switch It may need to disconnect the battery and UPS when maintain or repair the equipment The switch of the battery can be disconnected or closed manually The switch off control can be realized through the under voltage coil of battery switch or release 3 2 Safety The operation of the battery of EA980 UPS system shall be particularly careful because the voltage of the battery is deadly when connect all the single batteries With regards to safety the external battery shall be installed in the cabinet with lock or special designed battery chamber to separate from the personnel except for the qualified engineer Note The note related to the use and maintenance of battery is instructed in the battery manual provided by the manufacturer The note relevant to battery safety mainly includes the necessary events in the installation and designing process it may be adjusted according to the local situation Warning 32 EA980
35. on actions actions e SNMP instructions SNMP card supports SNMP HTTP TCP IP protocol etc It complete UPS monitoring thru monitoring software NMS and Web browser IE and NetScape etc e The instruction of SMS alarm management module UPS SMS Alarm Management Module not only with SNMP network management EA980 User Manual function but also with SMS alarm function to meet these customer s request on long distance management who is Inconvenient or does not build the network for monitoring adapter and now urgent need for UPS remote management SMS Alarm Management Module with UPS can solve the problem of no network for remote monitoring function of the UPS When the UPS alarm condition occurs when the to UPS will send alarm by text messages via cell phone GSM network to the administrator without using wide area network Mobilemate EA980 SMS monitoring Alarm Management Module LAN WAN Internet RS232 Communication Cable Send Alarm Information Monitor Figure 12 Networking topology structure and networking building solution diagrammatic sketch 24 EA980 User Manual Section Il Installation of Single Machine System 2 1 Introduction This section introduces the necessary requirements for UPS placement and wire routing For the particularity of each site this section does not introduce the detailed installation procedure but support the general instructional installation steps and
36. ribution switches and UPS circuit breakers Stick the warning mark in these switches to avoid other people operating them 2 Open the UPS door and take down protection cover downside the UPS viewing the copper bars for the power cables connection 3 Connect the protection grounding cable or other necessary earthing cable with the earthing copper bar at the bottom of UPS making the whole UPS cabinet grounded at user s site 29 EA980 User Manual Note The connection of the ground wire and the nutral wire should comply with the relevant standard from local and the state Choosing either of the following two steps mark and connect the input cables based on installation type Choosing either of the following two steps mark and connect the input cables based on installation type gt Mutual input connection With rectifier input and bypass input sharing the same power source customer need to connect the AC power cables with the UPS rectifier input terminals main Live path A B C input N Ensure the correctness of the phase sequence gt Separate bypass connection For the rectifier input and bypass input with separate or different power source connect one group power cables to the rectifier input terminals main path A B C while connect the other to the bypass input terminal bypass A B C Ensure the correctness of the phase sequence Note For the later system with bypass and rectifier input using separate or differe
37. s Under normal circumstances inverter supply the load power there have been overload or inverter failure the load will automatically switch to the static bypass supply In normal operation the inverter output and static bypass must be fully synchronized then can achieve seamlessly switch between the inverter and static bypass Using the inverter control circuit to achieved the inverter output and static EA980 User Manual bypass synchronous The inverter output frequency always tracking the static bypass power frequency by inverter control circuit when the static bypass power frequency in the allowed synchronous range UPS also provides the manual control of the maintenance bypass UPS can using the maintenance bypass supply the critical loads power when the UPS need routine maintenance and repair 1 2 Running mode True online double conversion EA980 series UPS system has the following working mode Inverter mode e Battery mode e Bypass mode e Maintenance mode manual bypass e Parallel redundant mode system multiplication e Hot backup mode 1 2 1 Inverter mode Bypass o Output Figure3 Inverter mode When the mains is normal the input AC power is inverted by rectifier then the UPS will provide load with pure and stable AC power through output static switch meanwhile the UPS charges the battery EA980 User Manual 1 2 2 Battery mode The battery through the Cell pr
38. s of power off 1 Close up output switch 2 Shut down UPS Press key OFF longer than 1 second 3 Shut down battery switch 4 Shut down bypass switch 5 Shut down AC input switch 5 4 Procedures of maintenance bypass This procedure must be operated by professionals unauthorized person are forbidden to do this work offenders at their own risk 1 Turn off inverter Press key OFF longer than 1 second UPS switch to bypass power status BYPASS lights up 2 Open the rear cover board of circuit breaker start upwards the manual maintenance switch 3 Turn off UPS input switch battery switch bypass switch and output switch 42 EA980 User Manual 4 Do and finish UPS maintenance work 5 Turn on UPS output switch 6 Turn on bypass switch input switch and battery switch BYPASS lights UP 7 Turn off manual maintenance switch 8 Turn on inverter Press key ON longer than 1 second after 10 seconds UPS gets into normal working mode 5 5 Procedures of emergency power off EPO The emergency power off EPO switch is used in the emergent situation such as fire and flood etc to turn off UPS The system will turn off the rectifier and inverter and immediately cut off the load supply including the inverted and bypass output Moreover the battery stops charging or discharging If there is still the Mains power input to UPS the control circuit of UPS is still electrified but the UPS output is turned off If it
39. ty will be reported the rectifier will be closed UPS will switch to the battery mode and the LCD will display the alarm messages Phase sequence reverse protection function of the main input If the input phase sequence reverse is detected before the starting of the rectifier soft start the rectifier will not start and the LCD will display the alarm EA980 User Manual messages DC bus low voltage and over voltage protection Software protection point When the voltage of the positive bus or negative bus is lower than 290V UPS will switch to the battery mode If the voltage of the positive bus or negative bus is lower than 290V or higher than 410V the rectifier will be closed Hardware protection point When the voltage of the positive bus or negative bus is higher than 410V the rectifier inverter and battery converter will be closed If the bypass is within the protection range the load will switch to the bypass power supply The LCD will display the alarm messages Pulse by pulse current limitation If the rectifier current is larger than 3 times of the peak value of the rated input current the rectifier will undergo wave chasing and current limiting Heatsink over temperature protection Each IGBT temperature is monitored If the IGBT base plate temperature is higher than 85 5 C the rectifier will be closed and the LCD will display the alarm messages Over temperature protection of the input inductance When soft start finished
40. when connect to main power Main power N line drop Check whether main power normal N line drop 55
41. y e Double DSP fully digital control to realize the full digitalization of the IGBT rectification inversion charge and discharge converter e Forthe latest IGBT rectification technology the input power factor is up to 0 99 features low harmonic current green environmental protection high efficiency and energy saving EA980 User Manual e Digital circulation technology with the small circulation and the parallel reliability is high e Super wide input voltage anti interference range to adjust to the rugged power system environment e Intellectualized battery management to prolong the service life of the battery e Self diagnostic function abundant and perfect fault protection function possess 10000 historic records to be inquired e Fully positive maintenance and install the equipment near to the wall to save the equipment room space e Cooling fan redundant design of the power module to improve the system reliability Similar modular design and the site maintenance is convenient and rapid e Ultralong mean time between failure MTBF gt 200 000h e Short mean time to repair MTTR lt 0 5 h e Huge LCD interface display and friendly human machine interface Two routing modes of top incoming and bottom incoming Whether equip the output transformer can be selected Options Main path reverse protection bypass reverse protection battery leakage protection battery cold start and lightning protection components 1
42. y whatever change and interference from the mains input voltage amp frequency that can not affected the output voltage 1 1 2 Main topology by i mH E 1 LpH ig ENT input a AS 1 h Pal pes sr i i h t Y e Te OT a S o H A asas t y E L a tt L 1 7 om DI 4 LS err oN to TENTE mal H T W H A Le Anne seb H Cd H rae i re T F T T Tea wast Figure 1 Main topology configuration for the single unit EA980 User Manual 1 1 3 System configuration This series of UPS composing by input output circuit breaker input output EMI filter rectifier inverter static switch batteries maintenance bypass switch and so on Shown in Figure 2 the main input AC power supply by the CB1 through the input EMI filter into the rectifier module rectifier to transform alternating current to direct current then into the PFC power factor correction circuit power to inverter this inverter is transformed this DC power to a pure amp uninterrupted AC power If the mains power is out of range or power off then connect the battery with the static switch from the PFC to rise voltage to DC bus voltage DC bus using inverter supply the load power Inverter failure or overtime of overload it still can supply the power from external
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