User Manual
Contents
1. 0000 00 DIOOOOOOODOODOOODODOOOO UNIVERSAL SOUTH as AFRICA SOCKET INPUT BREAKER 9 GERMANY AUSTRALIAN STANDARD STANDARD SOCKET SOCKET WIRING SOCKET INPUT MAINS POWER SOCKET GND SCREW HOLE Fig 2KVA 3KVA Rear Panel view Fig 4 Output Socket Type 2 2 The principle of the product DC DC Converter Fig5 UPS Principle Diagram input filter Complete filtering the input AC utility power to provide the clean power for UPS 2 AC DC converter Convert the filtered AC mains to DC and boost the DC for DC AC inverter 3 DC DC booster When the UPS works in battery mode the circuit boosts the DC for DC AC inverter 4 DC AC inverter Convert the boosted DC to stable AC output 5 Bypass When overload or failure of inverting happen in the UPS it transfers to bypass mode to supply power to loads 6 Charger Standard unit provides 1A long backup unit provides 7A 7 Battery Sealed Lead Acid Battery 8 Output filter Complete filtering the output of the UPS to provide the clean power for loads A 2 3 Model MODEL NO IKVAS Internal 1 charger 2 PCS 7AH batteries Standard unit 2KVAS Internal 1 charger 4 PCS 7AH batteries Long backup unit The 12V 9AH battery wh2. 6 O22 NOUCS so 5 sues bb eee eee ee Sa ee ee ee ee eee eee oa 6 3 3 UPS input 1 6 3 4 UPS output 1 3 5 Long backup external battery connection 8 Pan clo Opera ton TUO E o 9 4 1 Faceplate display illumination 9 4 2 1 12 4 3 Parameter 1 13 4 4 Parameters 1 1 1 18 4 5 Run 20 1 23 6 Troubleshooting and properties of product 24 6 1 LED indication and warning table 24 6 2 Troubleshooting cece tec ee RR eh 26 6 3 EMC standard Safety 27 6 4 Product 27 6 5 Communication 1 29 1 Safety instruction Abstract This chapter mainly introduce the safety marks and notes of IKVA 3KVA series on line UPS Read this chapter carefully before operating on the equipment 1 1 Safety instruction There 15 dangerous voltage and high temperature inside the UP
3. D00 g UUOUUUVUULI Ls 6 D0000I LILILILILII INO Loa d gt Jt 3 Fig 7 output connection 3 5 Long backup external battery connection ES Ub gi a OOOODOOOUOOO e 000 oo no Oo OO OOO LI LJLILILILILILILIL pogu D00000 0000000 2 ENCILILIEILIEILIL pF r i M DO fo N 22 Black wire Fig 8 battery connection A cine Before installing battery make sure that UPS and breaker are all turned off Remove all your metallic adornment such as finger ring watch and so on before connecting battery No anti connection or short circuit between the battery anode and cathode forever Red cable connect with battery anode and black cable connect with cathode Please use the screwdriver with insulating handle Do not lay the tools or metallic goods on the battery A Notice When using the external battery It is best to use external battery cable which matches with the equipment When connecting load to UPS first turn off load and then connect the power cable and finally turn on load one by one Inductance loads such as motor fluorescent lamp photocopier are strictly prohibited connecting to UPS to avoi
4. then come to setting interface of bPS at this time the letters bPS will light for a long time The ON below the bPS will flash Press and hold the inquiring key COfor more than half a second less than 2 seconds to determine whether the bPS function 1s used or not If used the corresponding word is ON if not the word is OFF It can be determined by yourself 15 Letters flash 3 Confirm the Bypass output selecting interface After selecting ON or OFF press and hold the function setting key for more than half a second less than 2 seconds Now the bPS setting function is completed and the ON or OFF below the bPS will light without flash 4 Exit from the setting interface Press and hold function setting key for more than 2 seconds exit from the setting interface and return to main interface 5 After setting bPS as ON when mains power plugged in without turning on the UPS no mains power plugged in there is bypass output but no power down backup function 4 3 3 Output voltage setting 1 Enter the setting interface Press and hold the function setting key for more than 2 seconds then come to setting interface Press and hold the inquiring more than half a second less than 2 seconds select the function setting choose output voltage setting interface at moment the letters OPU will flash as following Letters flash 2 Enter the outp
5. RS232 cable the detailed cable NO are as following PIN Chole to computer serial port PIN 2 needle to UPS serial port 6 5 3 Optional communication interface 1 USB communication interface USB communication interface Install the intelligent monitoring software UPSilon2000 which is equipped with the UPS Then it can achieve the communication with monitoring device directly When RS232 and USB are provided only one of them will be chosen and USB 15 preferred 2 Intelligent slot The following intelligent cards can be installed into the intelligent slot of the UPS intelligent USB card intelligent SNMP card and intelligent dry contact card support the hot plug and play Any card of them can be used according to users requirements a Intelligent USB card Use the monitoring function of the USB interface system to monitor and manage the power source of the UPS 29 b Intelligent SNMP card When connecting to the internet by SNMP card it communications with the monitoring computer to monitor power source of the UPS from far end c Intelligent dry contact card Use the monitoring function of the dry contact interface system to monitor and manage the power source of the UPS NOTE Remove the cover before installing the optional accessories Intelligent Slot can be used together with RS232 The operating instruction of the UPSilon2000 can be acquired from the CD As for the operating instructions of the intelligent USB card
6. SNMP card and dry contact card please refer to the relative special instructions 30
7. UPS As the following graphic shows the output voltage is 220v the output frequency 1s SOHz Load Display the numerical value of the active power WATT and apparent power VA of the load For example as the following graphics shows the WATT of the load is 100w VA 15 LOOVA when disconnect load it is a normal phenomenon to show a small numerical value of WATT and VA Temperature Display the temperature of the inverter in the UPS As the following graphics shows the temperature of the inverter is 37 Input Display the voltage and frequency of the input As the following graphics shows the input voltage 1s 210v input frequency 15 49 8Hz 19 Battery Display the voltage and capacity of the battery determined by type As the following graphics shows the battery voltage 1s 28v the capacity of battery 1s 100 the capacity of battery is approximately reckoned according to the battery voltage Battery Press and hold the inquiring more than 2 seconds LCD begins to display the items circularly and orderly which transfer to another every 2 seconds Press and hold the key for some time again it will return to output status 4 5 Run mode 4 5 1 Bypass mode LED indications on front panel in bypass mode are as following v Bypass yellow LED 15 on the buzzer beeps once every 2 minutes The warning red LED 15 on when beeping LCD displays are according to the exact load and
8. beeps UPS will turn to fault mode UPS cuts off the output and LCD display fault codes At the moment you can press the mute key to make the buzzer stop beeping temporarily to wait for maintenance You can also press the OFF key to shut down the UPS when confirm that there is no serious fault NOTE As for corresponding information of the fault code please refer to Fault Code information Table in Appendix A The following process must be performed if UPS is connected with generator First turn on generator after it runs stably connect output power of generator to UPS input terminal then turn on UPS After UPS turned on please connect load one by one It is recommended that the generator capacity is as twice as UPS rated capacity You d better not use the ECO mode when the quality of the input AC mains is not good 22 5 Maintenance Only minimum maintenance is required for this series of UPS The battery 15 sealed lead acid maintenance free It only needs to be kept charging to obtain the expected life Whether it 1s started or not the UPS would charge batteries once it is connected to mains and provide protection for over charging and deep discharging 5 1 Battery maintenance 1 It is recommended that the batteries are manually charged or discharged once every three or four months if UPS has not been used for a long time or the power is long term uninterruptible The battery will be fully discharge to low voltage p
9. display panel and warning table 4 1 3 LCD display functions the LCD displays as following Fig LCD display comprises numerical value section capacity graphics section fan status graphics section and charger status graphics section Numerical value section display the corresponding numerical value of inquiring items output load temperature input battery for example as the graphics shows above the output voltage 15 220v the output frequency 15 50Hz Capacity graphics section display the capacity of the battery and load Every pane represents 20 capacity As graphics showed above the capacity of the battery is 80 100 5 panes the load reaches 40 60 3 panes When UPS is overload the icon will flash when capacity of battery 15 too low or disconnected the icon will also flash 11 Fan status graphics section display if the fan works normally When the fan works normally it will show the dynamic fan blades rotating when the fan works abnormally the icon ZIN will keep on flashing with the warning Charger status graphics section display the status of the charger When charger works normally the corresponding icon will vary dynamically and orderly just as Graphics 1 1 when charger works abnormally the icon will flash in a whole as Graphics 2 Flash 2 When UPS is in battery mode the number of the icons of the charger state section will vary a
10. load lt 200 45 gt 300ms cutoff output and warn capacity 108 5 lt load lt 150 5 gt 30s transfer to bypass and warn 150 5 lt 1 lt 200 5 300ms transfer to bypass and warn Line mode 21 Line mode Full load gt 87 Full load gt 88 Ful loa 100 linear load lt 5 100 nonlinear load Input battery voltage 24VDC 24VDC 48VDC 48VDC 72VDC battery Output voltage distortion m1 c IL p OI IRE T 12V 7AH sealed lead acid maintenance free battery only refers to standard UPS Backup time Full load 24min only refers to standard UPS As for long backup UPS the backup time is determined by the capacity of battery S T Internal battery type W ork Environment IKVA 3KVA series 010 400 Relative humidity 0 95496 non condensing lt 1500m when 1500m lower the rated power for use Store temperature t 250 55L Mechanical Specification Net weight Gross Model Dimension W D H mm weight kg 2KVAS 19 5 21 1 191 428 337 3KVAS 24 25 6 3KVAH 9 7 11 3 28 6 5 Communication interface 6 5 1 RS232 communication interface This UPS provides a standard DB9 communication interface on its rear panel the definition of the pins 1s as following 6 9 E OOOO 1 5 Pin Definition No use Transmit GND 6 5 2 RS232 cable specifications When connecting the UPS with PC by RS232 cable it needs to use the standard
11. there is no output If output is needed you can set bps ON on LCD setting menu Turn off the UPS by DC without mains power 1 Press and hold the OFF key for more than half a second to turn off the UPS 2 When turning off the UPS it will do self testing firstly LED light and go out circularly and orderly until there 1s no display on the panel 4 2 3 UPS self test mute test operation 1 When UPS is in line mode press and hold the self test mute key for more than 1 second LEDs light and go out circularly and orderly UPS comes to self test mode and tests its status It will exit automatically after finishing testing LED resume 2 When UPS is in battery mode press and hold the self test mute key for more than 1 second the buzzer stops beeping If you press and hold the self test mute key for one more second it will restart to beep again 4 3 Parameter setting UPS has setting function It can run the setting on any mode After setting it will become effective at once when meets some standards The set information can be saved only when the battery connected and normally turning off the UPS 13 The operation of setting 1s as following 4 3 1 ECO mode setting 1 Enter the setting interface Press and hold the function setting more than 2 seconds then come to setting interface the letters ECO will flash as following Letters flash 2 Enter the ECO setting interface Press and hold the
12. Foreword Manual instruction Thanks for purchasing our UPS it 1s safe and reliable so few maintenance 15 required Read this manual carefully and completely It includes instructions of safety installation and operation They will help your UPS obtain the longest life and service This manual accounts the internal working principle and the relative protection functions This manual also contains information about the usage of the equipment Please obey the instructions and all the warning stated in the manual or on the machine Don t operate the machine before finishing reading the safety and operation instructions Note Because of the continuous improvements our products may differ somewhat from the contents included in this manual You can contact local office to get the information when necessary Content 5afely 1 5 2 1 1 Safety 1 lt 1 1 2 1 2 Symbols 1 1 1 3 2 Product Introduction 4 2 1 The appearance of the product 4 2 2 The principle of the 5 2 0 a sew de dad odes eos Ee ees ew ee 5 6 3 1 Unpacking and 1 lt 11
13. S During the installation operation and maintenance please abide the local safety instructions and relative laws otherwise it will result in personnel injury or equipment damage Safety instructions in this manual act as a supplementary for the local safety instructions Our company will not assume the liability that caused by disobey of safety instructions Please note the following t 2 Don t use UPS when actual load exceeds the rated load There are high capacity batteries in the standard type UPS You mustn t open the enclosure or it will lead to electric shock If it needs internal maintenance or battery replacement please send it to the designated site Internal short circuit of the UPS will cause electric shock or fire So don t place the containers equipped with liquid on the top of the UPS so as not to cause danger of electric shock and so on Don t put the UPS in a place with high temperature or humidity as well as the corrosive gas much dust Keep good air circulation between in vent on front panel and out vent on back panel Avoid direct sunlight or near heat dispensed objects In case that the smoke appears on the UPS please cut off the power as soon as possible and contact the dealer service site 1 2 Symbols indication The safety symbols cited in this manual are shown in table 1 1 which are used to inform readers of safety 1ssues that should be obeyed when installation operation and
14. battery capacity Turn to bypass mode under the following two conditions 1 Turn off the UPS in line mode while start the bypass output 2 Overload in line mode NOTE When UPS 15 working in bypass mode it has no back up function 20 4 5 2 Line mode LED indications on front panel in line mode are as following The inverter green LED is on tae v When input AC mains 15 in line with the working conditions UPS will work in line mode 4 5 3 Battery mode LED indications on front panel in battery mode are as following both the inverter green LED and battery yellow LED are on the buzzer beeps once every 4 seconds The warning red LED 1s on when beeping N When the mains power down or instable UPS will turn to battery mode at once 4 5 4 ECO mode LED indications on front panel on ECO mode are as following both the inverter green LED and bypass yellow LED are on ARN N When the input mains meets the input range of the ECO mode and start the function the UPS will works on ECO mode If input AC mains exceeds the range of ECO several times in a row in a minute but stays in inverter input range UPS will work on AC inverting mode automatically 4 5 5 Fault mode LED indications on front panel in fault mode are as following warning red LED is on 21 Fault mode LCD interface on which the fault code display When UPS has fault The warning LED 1s on and the buzzer
15. ccording to the changeable capacity of the battery pane For example there are five panes in Fig A as the right picture of the Graphics 3 shows so the corresponding number of icons 15 five rows as the left picture of the Graphics 3 shows followed by this rule 3 4 2 Operation 4 2 Start up operation Turn on the UPS line mode 1 Once mains power is plugged in the UPS will charge the battery at the moment LCD shows that the output voltage 1s 0 which means UPS has no output If 1t 1s expected to have output of bypass you can set the bps ON by LCD setting menu 2 Press and hold the ON key for more than half a second to start the UPS then it will start the inverter 3 Once started the UPS will perform a self test function LED will light and go out circularly and orderly When self test finishes it will come to line mode the corresponding LED lights UPS is working in line mode Turn on the UPS by DC without mains power 1 When mains power is disconnected press and hold the ON key for more than half a second to start UPS 2 The operation of UPS in the process of start is almost the same as that when mains power is in After finishing the self test the corresponding LED lights and UPS is working in battery mode 4 2 2 Turn off operation Turn off the UPS in line mode 1 Press and hold the OFF key for more than half a second to turn off the UPS and inverter 2 After UPS shutting down LED out and
16. chiser Battery aged to get battery and relative assembly Didn t press the combination keys of UPS doesn t startup UPS has no battery after pressing the ON connected or battery key voltage low and too many loads connected Fault occurs inside UPS Contact supplier for servicing The icon of charger status on LCD display Charger doesn t work flashes and buzzer normally or battery aged beeps once per second Press the two keys at the same time Connect UPS battery well if battery voltage low please turn off UPS and remove some loads then start UPS Contact supplier for servicing 26 6 3 EMC standard Safety standard Our product are manufactured according to the following EMC international grade standard and has passed the CE authentication EMC standard number Safety standard number IEC62040 2 IEC62040 1 IEC61000 4 2 GB4943 5 IEC61000 4 3 IEC61000 4 4 18 61000 4 5 o 6 4 Product Performance ii lt 7 100 nonlinear load _ Power factoy O Ooo 1 When input frequency is in the range the output frequency is the same as that of input Output Line mode Fre 2 When input frequency is out of the range the output frequency is 50 60 0 2 Hz when turn to battery mode output 50 60 0 2 Hz Mains battery 0ms Transfer time Mains bypass lt 4ms 108 5 lt load lt 150 5 230 cut off output and warn Battery mode Overload 150 5 lt
17. d damage 8 Plug UPS on the special socket with over current protection the power socket that used should be connected with ground wire UPS is likely to have output voltage no matter whether the power input cable is plugged in mains input socket If you wish UPS have no output first break off the switch and then cancel the mains When connect laser printer select the capacity of UPS according to the UPS start power because the startup power 15 higher 4 Panel display operation and running The operation 1s simple operators only need to read the manual and follow the operation instructions listed in this manual without any special training 4 1 Faceplate display illumination 4 1 1 Keys function T M C z 4 Oo rmm Fig 9 front panel buttons instruction M Q Press and hold this for more than half a second to turn on the UPS OFF key W Q Press and hold this key for more than half a second to turn off the UPS TEST MUTE key 2 2 Press and hold the key for more than 1 second in Line mode or economical mode UPS runs the self test function Press and hold the key for more than 1 second in battery mode UPS runs the mute function INQUIRING key or Non function setting mode Press and hold the key for more than half a second less than 2 seconds Indicate the items of the LCD item section orderly Press and hold this key for more than 2 seconds Circularly and orderly dis
18. function setting more than half a second less than 2 seconds then come to setting interface of ECO at this time the letters ECO will light for a long time The ON OFF below the ECO will flash Press and hold the inquiring keyCOfor more than half a second less than 2 seconds to determine whether the ECO function 1s used or not If used the corresponding word is ON if not the word is OFF It can be determined by yourself Letters flash 3 Confirm the ECO selecting interface After selecting ON or press and hold the function setting more than half a second less than 2 seconds Now the ECO setting function 1s completed and the or OFF below the ECO will light without flash 4 Exit from the setting interface Press and hold function setting key for more than 2 seconds exit from the setting interface and turn to main interface 4 3 2 Bypass mode setting 1 Enter the setting interface Press and hold the function setting than 2 seconds then come to setting interface Press and hold the function setting more than half a second less than 2 seconds select the function setting choose the bypass output interface at the moment the letters bPS will flash as following 2 Enter the Bypass output selecting interface Press and hold the function setting key for more than half a second less than 2 seconds
19. ich is sealed lead acid maintenance free can be chosen as internal battery of the standard unit The 7A charger can be chosen as internal charger of the long backup unit Two internal chargers can be used in long backup unit 3 Installation 3 1 Unpacking and inspection 1 Unpacking the UPS and check that whether it s damaged during the transportation If damaged or some parts missing don t start the machine and inform the carrier and franchiser 2 Check the annex please consult Appendix Table 1 3 Check if the equipment 15 just what you wanted to purchase You can affirm through inspecting the model number on back panel of the equipment 3 2 Notes 1 Please place the UPS a clean stable environment avoid the vibration dust too humidity flammable gas and liquid corrosive 2 The ambient temperature around UPS should keep in a range of 0 C 40 If UPS works above 40 C it is required that the rated value of the largest load decreases 12 while the temperature increases every 5 C The highest temperature cannot be more than 50 when UPS works 3 UPS should be placed in a sufficiently ventilated place 3 3 UPS input connection Connect the UPS to the mains by input power cable which 1s equipped with the UPS Fig 6 Input Connection 3 4 UPS output connection o
20. maintenance Safety Symbol Attention Static discharge sensitive Electric shock There are three levers of safety grade Dangerous Warning and Attention The remark 15 on the right side of the safety symbol the detailed comments 1s behind shown as following AN Dangerous Indicate risk of serious injury or death or seriously damage the equipment AN Warning Indicate risk of serious injury or damage the equipment A Attention Indicate risk of injury or damage the equipment 2 Product Introduction 2 1 The appearance of the product R5232 INTERNALSNMP SLUT USB INTERFACE H6 COPTIONAL poo NOOS0O0 _ 9000060 ma EXTERNAL on00000 BATTERY 05055600 v SOCKET 0050000 050000 28 5608 input 0002000 Lovren BREAKER O E RJ45 SURGE H lo A PROTECTION INPUT MAINS POWER SOCKET GND SCREW HOLE Fig 1 Front Panel view Fig 2 IKVA Rear Panel view RS232 INTERNALSNMP SLOT RJ45 SURGE PROTECT LOM USB INTERFACE COPTIONAL EXTERNAL BATTERY SOCKET UO UO OL OOC OO OO OO DO nooo OUTPUT SOCKET TYPE USA STANDARD EC SOCKET SOCKET CHINESE INDIAN STANDARD STANDARD SOCKET SOCKET D
21. play the items every 2 seconds when press and hold the key for some time again it will turn to output status Function setting mode Press and hold the key for more than half a second less than 2 seconds Select the set option Function setting key C Non function setting mode Press and hold the key for more than 2 seconds Function setting interface Function setting mode Press and hold the key for more than half a second less than 2 seconds Affirm the set option Press and hold the key for more than 2 seconds exit from this function setting interface 4 1 2 The function of LED indicators Warning LED Bypass LED Battery LED Inverter LED NI IZNI VAC XA TTERY OUTPUT LOAD IAN i Zi Li F E c f E N Z INP S I B Warning red LED is on UPS is fault For example Overload beyond the allowed time inverter fault BUS fault over temperature fault etc Bypass yellow LED is on UPS is alarming For example Bypass mode supply power and etc Battery yellow LED 15 on UPS 15 alarming For example Battery mode supply power and etc Inverter green LED 15 on UPS 15 normally powered by mains or ECO mode or battery mode After starting the UPS the four LEDs will light and go out one by one It circulates several times until starting the UPS successful NOTE As to the LED indication in different modes please refer to the LED
22. rotection shutdown Then it needs to be fully charged once 2 In high temperature area batteries should be manually charged and discharged once every two months The process 15 the same as that said above 3 Under normal circumstances of using the battery working life is three to five years If you find that the battery do not act well such as obviously shortening of backup time too much imbalance on battery voltage so on the battery should be replaced as soon as possible which must be performed by qualified personnel 4 When replace battery 1t 15 recommended to change battery all together instead of changing separately AN NOTICE Before replacing batteries first please turn off the UPS and break off the mains Remove your metallic adornment such as finger ring watch and so on When replace batteries please use the screwdriver with insulating handle Do not lay the tools or metallic goods on the battery Never reverse or short circuit between the battery anode and cathode 23 6 Troubleshooting and performance of product The following messages are the information that users would find on UPS when it meets some problems Users can judge if the fault is caused by external factors and know how to deal with it by making full use of the information 1 Fault indicator on indicates that the UPS has detected some faults 2 Buzzer beeps indicates that UPS need to be paid attention to if beeps for a long time i
23. t means that there is something wrong with the machine 3 If you need help contact our service department the following messages should be provided for analysis UPS MODEL NO and SERIAL NO Date of fault happened Detailed description of the problem include indicator statements on panel 6 1 LED indication and warning table Appendix1 Fault Codes Output short circuit Output Relay Fault nu Auxiliary Power Fault 65 69 Input Fuse Fault 10 714 _ gu Input NTC Fault 60 64 24 Appendix 2 The corresponding working status of indications ndication NO Working status pP Warning Remarks 4 _ 1 Eine mode Em o voltage Tum protection turn to 2 un mode our seconds 2 Battery mode Once every Dude o ee io cep 0j abnormal warning second Main AC Normal Once every Eliminate after starting voltage in bypass two minutes the UPS mode Main AC high Once every voltage warning in E I bypass mode Main AC low Once ever voltage warning in four o bypass mode errr eee YP four seconds switch is closed 7 four seconds switch 15 closed Rc l Overload warning Twice per Remove the less in line mode seconds important loads EV in line L Remove the less ong beeps important loads mode EV Pace ae warning Twice per Remove the less in second important loads Remove the less battery mode Long beeps impor
24. tant loads protection EE s Once every 2 Remove the less in bypass mode seconds important loads E fault fan 1con Onceevery2 Check if the fan flash seconds blocked by object If display fault code and iconA lights contact for Fault mode Long beeps maintenance when you can t deal with it by ourself 25 e indicator lights for a long time indicator flashes A the status of indicator depends on other conditions NOTE When UPS has fault it is convenient for you to know the working status of UPS and the exact information about the fault promptly by referring to the two tables listed above 6 2 Troubleshooting When the fault occurs firstly perform troubleshooting by referring to the troubleshooting table If the fault still exists please contact the franchiser The INPUT letters Anti connection of mains Re t the input ble and on LCD display live and neutral or mains cuu eee make a correct connection section flashes is out of range Battery capacity Battery low voltage or Check UPS battery connect battery indicator flashes battery disconnected well if battery damaged replace it Mai 1 but UPS input break ees em eee Press the breaker for reset UPS has no input circuit Keep UPS ti ith mai BAS ORIS CH cd eep connecting with mains power for more than 8 hours recharge battery Check th f loads Short back up time UPS overload p redundant devices When replace battery contact fran
25. ut voltage selecting interface Press and hold the function setting key for more than half a second less than 2 seconds then come to setting interface of output voltage OPU at this time the letters OPU will light for a long time The numerical value below the OPU will flash Press and hold the inquiring keyCOfor more than half a second less than 2 seconds select the numerical value in accordance with OPU function The provided voltages are 208v 220v 230v 240 you can choose anyone by yourself The default 1s 220v Numbers flash 3 Confirm the output voltage selecting interface After selecting numerical value press and hold the function setting more than half a second less than 2 seconds Now the OPU setting function 1s completed and the numerical value below the OPU will light without flash 17 4 Exit from the setting interface Press and hold function setting more than half a second less than 2 seconds exit from the setting interface and return to main interface NOTE When setting the output voltage you d better cut off the load of the UPS first 4 4 Parameters inquiring Press and hold the inquiring keyOorMfor more than half a second less than 2 seconds to inquire about items The inquired items include input battery output load temperature The displayed items on LCD screen are showed as following Output Display the output voltage and output frequency of the
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