manual de usuario ups on line doble conversion east
Contents
1. Figure 1 1KVA rear panel Figure 2 1 5KVA amp 2KVA rear panel D E o y E qa e pd LO E Ba e Figure 3 3KVA rear panel 2 lo 1 L L CE Ly 72WDC 72VDC Figure 4 Battery Pack rear panel 1Battery Slot 2Input Power Terminals Over Current Protector 4Intelligent Slot 5 Surge Protection for Network Fax Modem 6 RS232 Communication Interface 7 Output Socket 8 Fan 9 Emergency Power Off USB Ground 2 4 UPS output connection Connectors The socket type is selectable IKVA RTS amp IKVA RTH Mul2. g Z TR Z ea l oO oO gq O 18 O o Ia O nm O d 5 O a gt 5 TO go p 0 5 er Output Output voltage Output PF O OB Output power VA Watt 2000 1600 Voltage accuracy 1 Output balance voltage lt 200mv Load crest Default is No Setting available Ca 1 CG Ed O E a O eS O B S lt o CD O Z Y ph Under Mains mode Same as input frequency 50 60 0 2 Hz lt 1Hz s Full linear load lt 3 Full nonlinear load lt 5 Under battery mode hase locked rate O 2 e o be lt 1 O gt CO UTO C2 GT z O pd O CL n UN e O oo bed O gt Transfer time Nn rom Mains mode to battery mode PT Z rom battery mode to Mains mode From Mains model to bypass mode From bypass mode to Mains mode From normal mode to ECO mode Mains mode at gt 0 full load e Syst ffici AS ECO mode 105 150 transfer to bypass mode after 30s giving alarm gt 150 transfer to bypass mode after 300ms giving alarm lt CD ot CD O CD a O D a O A E o Auto recovery yes Battery Battery type Sealed lead acid maintenance free battery DC voltage 24V DC 48V DC 48V DC 72V DC nbuilt battery 9AH 12V 9AH 12V 9AH 12V uantity Back up time Based on battery capacity 10V amp 10 2V amp 10 5V Each battery voltage lt WN en S Le S Z de a ES n o a O Z Z e p lt O Z CT
3. o O m lt Charger 27 540 4V 82 5 0 9V nput voltage range unction Silence cold start AC restart Auto restart QOQ ISI IQIO z e 3 S oe lo e O IO O os 5 lt C O 2 als O Gr G O o o 09 rk Q O Y Over temp protection Fan testing protection Protection l AC Land N reversely connecting protection Output short circuit protection 2 E 5 RS232 SNMP card USB Graphics analyze Switch on off UPS system Monitor UPS working status History record and event log LCD LED UN g IQ gt 8 lt B S Jg CD h C O gt E S 2 O gt FI O bed e Display DN ystem Operating Environment Operation tem 0 40 C Store tem 25 55 C Humidity Operating 20 90 non condensing Om lt altitude lt 1500m over 1500m used with power derated environment Altitude _24 o 46SM UPS Dimension 468 486 88 contains the supports CW D H 468 440 88 Battery pack 468 486 88 contains the supports Long time 11 13 13 model Standard model Battery pack Appendix 4 Communication port O Communication port for PC At the rear panel of this model there 1s one DB9 port which provides several signals as follows ll my 06 empy ll receive empty ll my taken AA SO Awaken Communication port for PC eo TCP IP This model UPS can supply one Intelligent Slot at the rear pane
4. completed and the ON or OFF will light without flash 4 Exit from the setting interface Press and hold function setting key ma for more than 2 seconds exit from the setting interface and turn to main interface iw al al gt l al o al 2 al x NY al se al o lt RR al 3 6 2 Bypass mode 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 function setting key for more than half a e second less than 2 seconds select the function setting choose the bypass output interface at the moment the letters BPS will flash 2 Enter the Bypass output 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 BPS at this time the letters BPS will light for a long time The ON letter will flash Press and hold the inquiring key L lt for more than half a second less than 2 seconds to determine whether the BPS function is used or not If used the corresponding word is ON if not the word is OFF It can be determined by yourself 3 Confirm the Bypass output selecting interface After selecting ON or OFF press and hold the function setting key i for more than half a second less than 2 seconds Now the BPS setting function is completed and the
5. it will start the inverter 3 Once started the UPS will perform a selftest 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 on line mode 11 Turn on the UPS by DC without mains power DWhen mains power is disconnected press and hold the ON key for more than half a second to start UPS 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 on battery mode 3 4 2 Turn Off operation 1 Turn off the UPS on line mode In the UPS boot state 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 go out and there is no output If output is needed you can set bps ON on LCD setting menu 11 Turn off the UPS by DC without mains power DIn the UPS boot state 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 is no display on the panel 3 5 UPS self test mute test operation 1 When UPS is on line mode press and hold the self test mute key for more than 1 second LED light and go out circularly and orderly UPS comes to self test mode and tests its status It will exit automatically after finishing testin
6. mode mains power Mains power N voltage Mains power high low voltage H One beep protection switch 4 sec to battery mode 2 Battery mode Battery voltage One beep normal 4 sec Warning for One beep anar TTT sec or battery 3 Bypass mode Mains power normal under One beep 2 mins Bypass Mains power high voltage One beep warning under 4 sec Bypass Mains power low voltage One beep warning under 4 sec Bypass Warning for battery disconnected One beep B d 4 sec Output overload protection Warning for mains A 2 beeps power overload sec Protect operation for mains power Long beep mode overload battery overload sec Protect operation for battery mode Long beep overload ing f Warning for Ona bypass mode 2 sec overload Fans fault f i aaa T icon 2 sec renee is e LED Indicator lights long time X LED Indicator flicker A LED indicator status depends on other conditions Note End user need to provide below information when require to maintain the UPS gt UPS Model No amp Serial No gt Date of fault occurrence gt Fault detail LED status noise AC power situation load capacity for long back up type battery 19 capacity configuration 19 also necessary 6 Trouble shooting When the system runs in failure mode the LCD will show as below Explicit Troubleshoot Introduction Sh
7. working indication when fan normally runs the icon will display rotation if the fan is not connecting or faulty the icon blinks Press the mute button under the battery mode buzzer icon will blink it will disappear under other cases Fault icon will be on when UPS on fault mode otherwise it will not X Digital display area 1 11 Under none setting mode 1t will display UPS output information when UPS normally runs in AC mode other information like input battery load and temperature will be showed after pressing the inquiring key Instead of this fault code will be told in fault mode Under setting mode user could adjust different output voltage as well as activate ECO and bypass mode by operating function setting key and inquiring keys X Mode display area After over 20 seconds this area will display the work mode of the machine e g STDB Y Standby Mode BYPASS Bypass Mode LINE AC mode BAT Battery mode BATT Battery Self Test Mode ECO Economic Mode SHUTDN Shutdown Mode 10 3 4 Turn On Off operation 3 4 1 Turn On operation 1 Turn on the UPS on Line mode D Once mains power is plugged in the UPS will charge the battery at the moment LCD shows that the output voltage is 0 which means UPS has no output as default condition If it is 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
8. 3KVA units could use wall socket as input power connection e For all type UPS it 1s advised to charge the battery over 8 hours before virginally used Once the AC mains power energizes the UPS it will auto start the charging work If without prior charging UPS output remains as usual but with shorter back up time than normal 6 Installation steps 1 Please take out two groups of supports assemble by embedding them with each other as shown dead O 2 Place the two supports in parallel then put the machine into two supports below 3 It also can be placed horizontally 1f you like please remember not to put the machine upside down 4 Machine and battery pack can be put together as two ways are showed in the pictures below the battery pack should be put under the machine 3 Panel function and operation The operation 19 simple operators only need to read the manual and follow the operation instructions listed in this manual without any special training 3 1 Keys function Inverter LED Battery LED Bypass LED Warning LED ex po 1 nec TEST MUTE Press and hold this key for more than half a second to turn on off the UPS X ON OFF key L onl A X TEST MUTE key C ad gt Press and hold the key for more than 1 second in mains 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 th
9. EAST MANUAL DE USUARIO UPS ON LINE DOBLE CONVERSION EAST EA9OOII RT DE 1000 3000 VA SISTEMA ALIMENTACI N ININTERRUMPIDA U P S SAI TABILIZADORES DE TENSION ES CONVERTIDORES INVERSORES BATER AS ALTA TECNOLOG A EN ALIMENTACI N EL CTRICA Carretera Los Tarahales 27 Local Telf 928 41 94 92 Fax 928 42 82 56 M vil 659 02 20 15 e mail sai O saicanarias com www saicanarias com Please strictly obey all the instructions in this manual and pay attention to all the warning and operation information It is not advisable to install or operate the machine before read this manual 1 Safety Instructions e The power outlet voltage may still have 220V even not connect to the mains power e For the battery cable or power cord replacement please contact our service station or dealer to purchase in order to avoid fire caused by inadequate capacity or heat ignition e Do not place the battery or battery pack in the fire that will injure due to explosion e Please do not open the UPS case as you will there is risk of electric shock e Do not touch the battery connection terminals Battery loop and input voltage loop is without isolation which may cause high voltage risk between the battery terminal and ground e Should not connect the equipment like hair dryer or electric heater to ensure the safety for the UPS Attention UPS has high voltage inside for the personal safety please do not repair by your
10. ON or OFF will light without flash 4 Press and hold function setting key 1 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 or no mains power plugged in there is bypass output but no power down backup function 3 6 3 Output voltage setting DEnter the setting interface Press and hold the function setting key NJ for more than 2 seconds then come to setting interface Press and hold the inquiring key for more than half a second less than 2 seconds select the function setting choose output voltage setting interface at the moment the letters OPU will flash 2 Enter the output voltage selecting interface Press and hold the function setting key ms 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 ee flash Press and hold the inquiring key P gt for more than half a second less than 2 seconds select the numerical value in accordance with OPU function The provided voltages are 208V 210V 220V 230V 240V you can choose anyone by yourself The default is 220V 3 Confirm the output voltage selecting interface After selecting numerical value press and hold the function setting NW for more
11. disconnects manual 7 Attention of battery disposal Fault LED on audible buzzer Persistently alarm fan icon in Fan fault the LCD flickers Battery maturing capacity descend lt gt Please take off your ring watch and other metals before operate the batteries QIf you want to change the battery cable please purchase the material from our local service center or distributors to avoid heating or spark due to the inadequate power capacity and even causing fire lt gt Don t dispose of the battery or battery pack near or into fire otherwise it will explode and injure person es Ee Don t damage or open the battery case thebattery electrolyte overflow is with highly toxic which is harmful to human O Please avoid short circuit between positive and negative terminal otherwise may cause fire or electric shock Please check the battery voltage before touching If the loop of battery and loop of input voltage is non isolated that will cause high voltage risk between battery terminals and ground 8 Network communication This series UPS offer intelligent network interface with a dedicated Ethernet card optional accessory realizing network communication and management For more information about this function please turn to our local distributor or service center 9 Communication interface introduction The UPS can communicate with PC via analog relay joint and serial interface RS232 The former makes use of the tra
12. e mute function X ROTATE key lt 4 gt Press and hold lt d and for more than half a second less than 2 seconds Change the direction to display items The direction has JE D o Lo HZ Lo N been changed in Ll the picture Press and hold keys for more than N Y half a second PI TEST MUTE After finish that the machine can be placed flat as shown in the picture below 1 1 0 II I f J II l l l E J X h DI 100 D 100 50 75 3 50 75 cI PU C3 cD L U Bor ALNWLSAL EJ ka h 31v1Oy 440 NO E X INQUIRING key A r I Non function setting mode 1 Press and hold lt d or for more than half a second less than 2 seconds display the items orderly 2 Press and hold B for more than 2 seconds Circularly and orderly display the items every 2 seconds when press and hold the key for some time again 1t will turn to output status II Function setting mode Press and hold the key for more than half a second less than 2 seconds Select the set option X FUNCTION SETTING key ot I Non function setting mode Press and hold the key for more than 2 seconds Functi
13. eet Trouble indication Fault LED on audible buzzer Persistently alarm the fault code is 00 14 Fault LED on audible buzzer persistently alarm the fault code 1515 24 Fault LED on audible buzzer persistently alarm the fault code is 25 39 Fault LED on audible buzzer persistently alarm the fault code is 40 44 Fault LED on audible buzzer Persistently alarm the fault code is 45 49 Bus bar voltage fault Soft start fault Inverter voltage fault Over temperature inside Output short circuit ee 0 E Please test the bus bar voltage or contact the supplier Please check the soft start up circuit especially the soft start resistance or contact the supplier directly Please contact the supplier Please make sure the UPS didn t get overload and the fan vent was not obstructed as well as the indoor temperature 1s not high Leave alone the UPS 10 minutes for cooling and restart 1t If failure remains please contact the supplier Turn of the UPS and disconnect all the load make sure there no any fault or internal short circuit of the load And then restart the UPS 1f failure still please contact the supplier Please check the load level and G eee disconnect the noncritical devices persistently alarm the fault code Over load o oe and reduce the load to the UPS so Please check whether the load device has fault or not Fault LED on audible buzzer Please contact the supplier persi
14. g LED resume 2 When UPS is on 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 oy a lee 3 6 Panel function setting UPS has setting function It can run the setting on any mode After setting 1t 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 The operation of setting 1s as following 3 6 1 ECO mode setting 1 Enter the setting interface Press and hold the function setting key sma for more than 2 seconds then come to setting interface the letters ECO will flash 2 Enter the ECO setting interface Press and hold the function setting key for 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 or OFF will flash Press and hold the inquiring key L 9 gt for more than half a second less than 2 seconds to determine whether the ECO function 1s used or not If used the corresponding word 1s ON 1f not the word 1s OFF It can be determined by yourself 3 Confirm the ECO selecting interface After selecting ON or OFF press and hold the function setting key l for more than half a second less than 2 seconds Now the ECO setting function is
15. l which was compatible with most of the software and hardware all of the world such as running HP open view IBM net view SUN net manager and other operation system UPS is with function login on internet supplying information of UPS status and input power and even capable of controlling UPS via net management system For more information please turn to local supplier or distributor 5 x
16. nsistor s ON and OFF action to transmit the input power condition and UPS status to PC The latter can offer serial communication interface with PC to monitor input power and UPS status information and even control the UPS Note The communication function is only realizable with the specific communion cable from the supplier Rs232 interface 1s set as below Bit rate 2400bps lt gt Byte 8bit Completion code 1bit OBit Pattern None Appendix 1 EMC Level The series product is designed to meet the below standard EMS IEC61000 4 2 ESD Level 4 1EC61000 4 3 RS 1EC61000 4 4 EFT 1EC61000 4 5 Suege Appendix 2 Symbol instructions Symbols and significations Symbol Symbol 2 Ia Turn on gt Q Display screen repeat key J Q Appendix 3 Specification Sheet Rated Capacity nput 220V 50Hz 60Hz auto adaptive 110 300VAC half load 140 300VAC full load 45 55Hz 0 5 50Hz 55 65Hz 0 5 60Hz Single Phase N GND gt 0 98 hase 0 y Ain T 5 5 2 8 O C lo r lt m 8 amp El S JSS O TG lt d O lolo o da S Ide O HH 14 e o O lt Input standard current Linear full load nput protection J Ur gt 7 0A 9 3A 14 04 12A ISA 20A lt 6 Rated output Voltage 34V Rated output Voltage 32V Bypass Low 10V Bypass High 10V 00 THDI Wit Ee lt lt o S I a S E G N IA lt o lo lt 5
17. ollowing both the inverter green LED and battery yellow LED are on the buzzer beeps once every 4 seconds The warning red LED is on when beeping ii When the mains power down or instable UPS will turn to battery mode at once 4 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 tae When the input mains meets the input range of the ECO mode and start the ECO 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 Fault mode LED indications on front panel on Fault mode are as following warning red LED is on and LCD display fault code and related icon EUER Fault mode LCD interface on which the fault code display When UPS has fault The warning LED is on and the buzzer 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 1s no serious fault L 5 The warning list of the LED light and display panel Appendix 1 The table of the fault code one s Appendix 2 Table for working status LED on Front panel Alarm S N Working status Note 1 Inverter
18. on setting interface II 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 3 2 LED Function Han From left to right is Inverter LED Battery LED Bypass LED and warning LED 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 is on UPS is alarming For example Battery mode supply power and etc Inverter green LED is on UPS is normally powered by mains or ECO mode or battery mode PS LED display detail in different mode is listed in 5 item 3 3 LCD display function LCD displays as following Figure Icon display area K 22 A ai gt INPUT BATTERY QUIPUT LOD HVP Load capacity renee capacity display area display area T l E Working mode display area Digital display area X Icon display area 1 11 111 iV The top diagram is for load battery fan fault and buzzer icon When UPS is over loaded the load light will blink as same as the battery light blink when the capacity of battery get low or battery disconnected The left icon and right icon are for load and battery capacity indication each grid of which represents 25 The fan icon is for fan
19. self If any questions please contact local service center or dealer 2 Installation Instructions 2 1 Unpacking I nspection e Open the UPS package please check the enclosed accessories including a user manual communication cable support feet CD ROM the cable for connection to battery bank e Check the UPS if any damage in transport If found damaged or parts missing do not power on please turn to the carrier and dealer e To determine whether this UPS is the model you want to buy Check the model name showed both on the front panel and rear panel of UPS to confirm IKVA RTS IKVA Standard model IKVA RTH IKVA Long backup model 1 5KVA RTS 1 5KVA Standard model 1 5KVA RTH 1 5KVA Long backup model 2KVARTS 2KVA Standard model 2KVA RTH 2KVA Long backup model 3KVA RTS 3KVA Standard model 3KVA RTH 3KVA Long backup model Note Please save the packaging box and packaging materials for future transport use As heavy product please transit the UPS with care 2 2 Attention items of installation e The UPS location circumstance must be with good ventilation away from water flammable gases and corrosive entities e Do not lie down the UPS against the wall so that front and side panel air intake hole rear panel air outtake hole unobstructed e The peripheral environment temperature around the UPS should be within 0 C 40 C e If dismantling the machine at low temperatures there may be condensation droplets
20. stently alarm the fault code Input NTC fault is 55 59 Fault LED on audible buzzer Please Check whether the input amp output persistently alarm the fault code Power fault power normal or not contact the supplier is 60 64 if it is abnormal Pl heck if the input fuse is burnt Fault LED on audible buzzer A E BO T A RA l Replace the old fuse and restart the UPS persistently alarm the fault code Input fuse fault E If failure remains please contact the 18 65 69 i supplier Please check whether the fans connect well is the fan plugged and is the fan broken If all above condition is OK please contact the supplier ee Please press the power key more than 2 Pressing time too short seconds to start the UPS The input connection Please connect the input well if the UPS fail to start when operate 1s not ready or battery voltage is too low please On key UPS internal battery disconnect the input and start the UPS disconnect with no load UPS internal system please contact the supplier fault Pl keep the UPS batt hargi Baten underenaree ease keep the attery recharging more than 3 hours Please check the load level and l UPS overload gt l Back up time become short disconnect the noncritical devices Please change new battery contact your supplier to get the new battery and spare parts UPS doesn t have any power go UPS input breaker Please reset the circuit breaker by through even main power on
21. t the charging work The connection view 1s like below figures Figure 5 1KVA long back up connection S Figure 6 1 5KVA amp 2KVA long back up connection ce NA BLACK y A E a th JB Figure 7 3KVA long back up connection 2 6 Installation e UPS installation work should comply with local electrical standard and only can be done by professional technician IKVA
22. than half a second less than 2 seconds Now the OPU setting function 1s completed and the numerical value will light without flash Exit from the setting interface Press and hold function setting key for more than half a second less than 2 seconds exit from the setting interface and return to main interface 3 7 Parameters inquiring operation Press and hold the inquiring key dl or B for 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 UPS As the following graphic shows the output voltage is 220V the output frequency is 50Hz a an am 25 50 75 100 OUTPUT 25 950 75 100 14 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 800W VA is 1000VA when disconnect load it is a normal phenomenon to show a small numerical value of WATT and VA 25 50 75 100 sa aD a AP AD Temperature Display the maximum temperature of the components in the UPS As the following graphics shows the maximum temperature is 40 C a am am 25 50 To 100 THP 25 50 75 100 a Ep e an Input Display the voltage and frequency of the input As the follo
23. ti purpose Socket 3 LSKVA RTS amp 1 5KVA RTH Multi purpose Socket 3 2KVA RTS amp 2KVA RTH Multi purpose Socket 3 3KVA RTS amp 3KVA RTH Multi purpose Socket 3 Output connection of 1 3K VA type is configured with sockets end user can plug the load cable on the UPS socket to energize the load 2 5 External battery connection procedure for long back up type e As per different UPS type end user are instructed to configure different battery voltage as below sheet More or less units are forbidden or else something abnormal or faulty will appear IKVA 2 Battery Quantity unit Battery Voltage volt Oo 2 S A 1 5KVA 2KVA 3KVA IO CO EE PS e One end of battery cable is for UPS terminals while the other end with triple cables is for battery terminals Correct installation procedure is highly vital or else probable electric shock will arise Users are strictly required to follow the below procedure e Connect battery in correct way and make sure the total battery voltage is available for UPS e Correctly connect the long battery cable to battery terminals first red wire 1s to positive plate while black is to negative If users connect the UPS first electric shock or other danger could not be avoided e Before connect load after UPS users should supply main power to UPS and energize it e Connect long battery cable to UPS terminals with correct poles link red is for black is for UPS will auto star
24. users can not install or operate 1t before completely getting dry both inside and outside otherwise there will be danger of electric shock e Place the UPS near the mains socket to cut off AC mains without any delay at any emergent case Attention e Make sure the load after the UPS is off when user start wiring the load to UPS then turn on them one by one later e Please connect the UPS with the socket which 1s over current protected e All the power socket should be configured with earthling devise for safety e UPS could be electrified or powered whether the input power cable is tied on or not even when the UPS is off The only way to cut off the output is switching off the ups and disconnecting the mains power supply first and second e For all standard type UPS it is advised to charge the battery over 8 hours before virginally used Once the AC mains power energizes the UPS it will auto start the charging work If without prior charging UPS output remains as usual but with shorter back up time than normal e When connect motor display equipment laser printer etc UPS power selection should be based on the startup power of the load which is usually twice as rated power 2 3 UPS and Battery Pack rear panel view
25. wing graphics shows the input voltage is 220V input frequency is 50Hz 15 Battery Display the voltage and capacity of the battery determined by type As the following graphics shows the battery voltage is 24V the capacity of battery is 100 the capacity of battery is approximately reckoned according to the battery voltage a an am 25 50 To 100 25 50 75 100 u e A Press and hold the inquiring key for 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 within 30s it will return to output status 4 Working mode introduction 4 1 Bypass mode LED indications on front panel on bypass mode are as following in Bypass yellow LED is on the buzzer beeps once every 2 minutes The warning red LED is on when beeping LCD displays are according to the exact load and battery capacity Turn to bypass mode under the following two conditions 1 Turn off the UPS on line mode while start the bypass output 2 Overload on line mode NOTE When UPS is working on bypass mode it has no back up function 4 2 Line mode LED indications on front panel on line mode are as following The inverter green LED is on ii When input AC mains is in line with the working conditions UPS will work on line mode 16 4 3 Battery mode LED indications on front panel on battery mode are as f
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