NXTi 3P-1P 10kVA User`s Manual
Contents
1. 2 0 99 INPUT Capacity Voltage Frequency Power factor Harmonic distortion lt 5 THD non linear load 208 220 230 240VAC 0 8 50 60Hz 4Hz 3 1 110 for 10 min 130 for 1 min gt 130 for 1 sec OUTPUT Rated voltage Power factor Frequency Crest factor Overload capacity Efficiency 98 ECO mode 90 online mode 20 12V 9AH BATTERY Battery type Battery quantity and size 1A Hardwire 250 x 592 x 576 mm 9 8 x 23 3 x 22 7 in 83 kg 183 Ibs 28 kg 60 Ibs 250 x 592 x 576 mm 9 8 x 23 3 x 22 7 in PHYSICAL Input output UPS dimensions W x D x H UPS weight EBP dimensions W x D x H EBP weight 125 kg 276 Ibs 0 40 C 32 104 F 0 95 non condensing lt 58dBA ENVIRONMENT Temperature Humidity Audible noise aa y 3 500 m 11 500 ft above sea level APPROVALS ee CE EN IEC 62040 2 EN IEC 62040 1 1 ROHS compliant COMMUNICATIONS INTERFACE RS232 USB intelligent slot for optional Web SNMP AS400 dry contact and Modbus cards INCLUDED IN BOX User manual monitoring software CD USB cable AVAILABLE OPTIONS Extended warranty maintenance bypass Xtreme Power Conversion Corporation Page 332. 12 13 1A 21 24 29 35 36 41 or 46 on LCD display and alarm beeps continuously Charge the batteries for at least 7 hours and then check capacity If sad Batteries are not fully charged l Powe Battery backup time is shorter than the problem still persists consult nominal value your dealer EE Contact your dealer to replace the battery The icon A and EA flash on LCD dis Fan is locked or not working or EET dealer play and alarm beeps every second the UPS temperature is too high y Xtreme Power Conversion Corporation Page 31 NXTi 3P 1P User s Manual Uninterruptible Power Supply Storage and Maintenance Storage Before storing charge the UPS at least 7 hours Store the UPS covered and upright in a cool dry location During storage recharge the battery in accordance with the following table Storage Temperature Recharge Frequency Charging Duration 25 C 40 C Every 3 months 1 2 hours 40 C 45 C Every 2 months Maintenance e The UPS system operates with hazardous voltages Repairs may be carried out only by qualified mainte nance personnel e ven after the unit is disconnected from the mains components inside the UPS system are still connected to the battery packs which are potentially dangerous e Before carrying out any kind of service and or maintenance disconnect the batteries and verify that no current is present and no hazardous voltage exists in the terminals of high capability capacito
3. button to let the UPS do battery self test 2 Users also can set battery self test through monitoring software 3 Ifthe UPS is at battery self test the LCD display and buzzer indication will be the same as at Battery mode except that the battery LED is flashing Turn off the UPS with utility power supply in AC mode 1 Turn off the inverter of the UPS by pressing OFF button for at least 0 5s and then the buzzer will beep once The UPS will turn into Bypass mode NOTE 1 If the UPS has been set to enable the bypass output it will bypass voltage from utility power to output terminal even though you have turned off the UPS inverter NOTE 2 After turning off the UPS please be aware that the UPS is working at Bypass mode and there is risk of power loss for connected devices 2 In Bypass mode output voltage of the UPS is still present In order to cut off the output switch off the line input breaker for dual input unit also switch off the bypass line breaker A few seconds later there is no display shown on the display panel and UPS is complete off Turn off the UPS without utility power supply in Battery mode 1 Turn off the UPS by pressing OFF button for at least 0 5s and then the buzzer will beep once 2 Then UPS will cut off power to output and there is no display shown on the display panel Mute the buzzer 1 To mute the buzzer please press the Mute button for at least 0 5s If you press it again after the buzzer
4. e Down key Press this button to display previous selection in setting menu Test Up Mute Down e Press and hold the two buttons simultaneous more than 1s to enter escape the Button setting menu CVCF means Constant Voltage and Constant Frequency LED Indicators and LCD Panel LCD panel BYPASS LINE BATTERY FAULT O O O O LED indicators LED Indicators There are 4 LEDs on front panel to show the UPS working status No Output mode 0 eo gt gt o Bypass mode e o gt o o ACmode e ee e oe Battery mode o o gt e o CveFmode oe PS PS oe BatteryTest e oe N oe lo ECO mode e ee oe lo Fut eo oo lo le Note e means LED is lighting and o means LED is faded Xtreme Power Conversion Corporation Page 9 NXTi 3P 1P User s Manual Uninterruptible Power Supply LCD Panel Backup Timelnfo Fault Info Input amp Battery Mute Operation Voltage Info Output amp Battery Voltage Info Battery Info _ 1 5 Load info t Mode Operation Info Display Backup time information AeA Indicates the battery discharge time in numbers k S hel H hours M minutes S seconds Fault information A Mute operation Indicates that the UPS alarm is disabled Output amp Battery voltage information gog rs Indicates the output voltage freduency or battery voltage Vac output voltage Vdc Pre battery voltage Hz freguency Load information Indicat
5. wire and breakers in the building are enough for the rated capacity of UPS to avoid the hazards of electric shock or fire NOTE Do not use the wall receptacle as the input power source for the UPS as its rated current is less than the UPS s maximum input current Otherwise the receptacle may be burned and destroyed 2 Switch off the mains switch in the building before installation 3 Turn off all the connected devices before connecting to the UPS 4 Prepare wires based on the following table Wiring spec AWG NOTE 1 The cable for 10K 10KL should be able to withstand over 63A current It is recommended to use SAWG or thicker wire for safety and efficiency NOTE 2 The selections for color of wires should be followed by the local electrical laws and regulations 5 Remove the terminal block cover on the rear panel of UPS Then connect the wires according to the fol lowing terminal block diagrams Connect the earth wire first when making wire connection Disconnect the earth wire last when making wire disconnection _ LI AL Le N2 L1 12 L3 N uU OU OU Gg UUI Output 1 Line Input Neutral Output 1 Neutral _ Input Line 3 Output 2 Line Input Line 2 Output 2 Neutral Input Line 1 Terminal Block wiring diagram of 10K 10KL NOTE 1 Make sure that the wires are connected tightly with the terminals Xtreme Power Conversion Corporation Page 6 NXTi 3P 1P User s Manual U
6. 2 Set shutdown voltage for programmable output Parameter 3 Shutdown voltage in V Setting range is from 11 2 to 13 6 If the battery voltage is less than the setting point the programmable output will be cut off The de fault value is 11 2V Interface le PES FES When input neutral line is correctly detected FES will be dis played in parameter 2 and parameter 3 When a loss of input Neutral line is detected this program will be a iy come input Neutral line detecting menu It will display 14 in parameter 2 and CHE in parameter 3 When it occurs please re connect the input Neutral line well Then press the Enter key to activate input Neutral line detecting If it s connected well and cor rectly detected it will show FES in parameter 2 and parameter 3 when entering the setting menu next time Parameter 2 Select Add or Sub function to adjust battery volt age to real figure Parameter 3 the voltage range is from OV to 9 9V and the default value is OV Xtreme Power Conversion Corporation Page 22 NXTi 3P 1P User s Manual Uninterruptible Power Supply 14 Charger voltage adjustment Interface h Lee r Parameter 2 you may choose Add or Sub to adjust charger voltage m Parameter 3 the voltage range is from OV to 9 9V and the default Add LI CE value is OV NOTE Before making voltage adjustment be sure to disconnect all batteries first to get the acc
7. E EE ON EE OE OE ER EN 29 Mat ne Indie EO PEN De ed ee ee ie ES E 29 SE Otc access bee RE ee doses ee de ER GE De GE Ee sans 30 Troubleshooting OE EE OU Storage and Maintenance sesse sesse ese se se ee Se ee ee ee ee ee ee ee ees es es ee 32 S E e AEEA AG ee ee ee Ge Ee EE ee 32 ME oe AE OE a ESEE OE EE EE AE N 32 effe jie NON orrie EE EO EE gt Xtreme Power Conversion Corporation Page 2 NXTi 3P 1P User s Manual Uninterruptible Power Supply Safety and EMC Instructions Please read carefully the following user manual and the safety instructions before installing the unit or using the unit Transportation and Storage e Please transport the UPS system only in the original package to protect against shock and impact The UPS must be stored in the room where it is ventilated and dry Preparation e Condensation may occur if the UPS system is moved directly from cold to warm environment The UPS system must be absolutely dry before being installed Please allow at least two hours for the UPS system to acclimate the environment e Do not install the UPS system near water or in moist environments e Do not install the UPS system where it would be exposed to direct sunlight or nearby heater e Do not block ventilation holes in the UPS housing Installation e Do not connect appliances or devices which would overload the UPS e g big motor type equipment to the UPS output sockets or terminal e Place cables in such a way that n
8. Indicator Battery low f ET Beeping every second Overload VER Beeping twice every second Battery unconnected Beeping every second Over charge Beeping every second EPO enable Beeping every second Fan failure Over temperature Ai Beeping every second Charger failure Beeping every second Xtreme Power Conversion Corporation Page 29 NXTi 3P 1P User s Manual Uninterruptible Power Supply I P fuse broken N Beeping every second Overload 3 times in 30min Beeping every second Warning Code 01 Battery unconnected L1 IP fuse broken 02 IP Neutral loss 21 Line loss situation is different in parallel system on is diff IP phase abnormal 22 Bypass loss situation is different in parallel system 07 Over charge 23 Locked in bypass after overload 3 times in 30min 35 3A i Overload 35 Battery fuse broken OA EPO enable 3A Coverofmaintainswitchis open oe Charger failure ooo l Troubleshooting If the UPS system does not operate correctly please solve the problem by using the table below symptom No indication and alarm in the front display panel even though the mains is normal The AC input power is not con Check if input cable firmly con nected well nected to the mains The icon A and the warning code EP flash on LCD display and alarm EPO function is enabled beeps every second The icon and flash on LCD display and alarm beeps every sec ond Set the circuit in clo
9. NXTi 3P 1P Online UPS 10kVA Model User amp Installation Manual www xpcc com 2015 Xtreme Power Conversion Corporation All rights reserved Rev 6 24 15 NXTi 3P 1P User s Manual Uninterruptible Power Supply Table of Contents Safety and EMC INStructiOns ccccscsccccccccccscscscccsccccccccscscscecescscsccscscsceseeD Transportation and SOSEER ae en Ra ie Gee 3 Prepa AO ate cases acerca RE ON RE EE mane ne EE OE EE AA EE 3 Eie E de OE EE EE EE OR OE EE EE tenuate 3 SUA O o EE RO EE EE Ee EE AO AA AA EE HE AA EE 4 Installation and Operation csceccccscscscsccccccccccscccscsccccccccccccccscscscssescssccecsce4 Unpacking and IAE 0 2 6100 AE PE ie ee 4 ROAM Panel VIC W issu ie Ee N N dee oe EG es ei Ge id ee ie 5 siele OUPS In ATOS n ER ee Ee DA ER Oe eee 6 UPS Installation for Parallel SES Ro ee ee EE DE KAR OR ER Ee ne 7 SOME Wee SAO a a D ta 8 Be eLo p OE EE EE EE UOT Obed OE EE Ee NA Ge OE ands EE EG OR GE Ge Ge 9 LED Indicat rsand LCD Panel ae sd EE ie ee Ee Dee RN Enia EER eke a 9 Audible adar tears ee AE Re n EE oe Oe RE E Ee RE N AE 11 siele UPS Opera ie ee ee ee N EEE E ie 12 Parallel OPEL Oe ER EE RR ke EE A CO ee eo De RE DE eee eee 15 Abbreviation Meaning in LCD Display cccscccssecccesecccsececneeeeececeneceeusceeeacessaeceeeecesseeeseesenens 16 D SEINE RE we vane reas payers eg EE RE EE N ER N OE EE N Ie 18 Operating Mode Sttusbestrl DO ee Ge di a n a ee ee 24 FU eel ARE AR
10. UPS operates in Bypass mode and supplies power to the loads via the bypass NOTE When UPS is in Bypass mode the output voltage will directly power from utility after you switch on the input breaker In Bypass mode the load is not protected by UPS To protect your precious devices you Xtreme Power Conversion Corporation Page 12 NXTi 3P 1P User s Manual Uninterruptible Power Supply should turn on the UPS Refer to next step Press and hold the ON button for 0 5s to turn on the UPS and the buzzer will beep once A few seconds later the UPS will enter to AC mode If the utility power is abnormal the UPS will operate in Battery mode without interruption NOTE When the UPS is running out battery it will shut down automatically at Battery mode When the utility power is restored the UPS will auto restart in AC mode Turn on the UPS without utility power supply in Battery mode 1 2 Make sure that the breaker of the battery pack is at ON position only for long run model Press the ON button to set up the power supply for the UPS UPS will enter to power on mode After initialization UPS will enter to No Output mode then Press and hold the ON button for 0 5s to turn on the UPS and the buzzer will beep once A few seconds later the UPS will be turned on and enter to Battery mode Connect devices to UPS After the UPS is turned on you can connect devices to the UPS 1 2 ad Turn on the UPS firs
11. a Bypass mode 1 NN LCD display IHPLUT i CUTPEUT i ik INPUT OUTFUT o a II da 11 o Xtreme Power Conversion Corporation Page 27 NXTi3P 1P User sManual ssi Uninterruptible Power Supply When UPS is in AC mode or CVCF mode press Test key for more than 0 5s D Then the UPS will beep once and start Battery Test The line between I P and P inverter icons will blink to remind users This operation is used to check the bat tery status Battery Test A ees Te ee LCD display When UPS has fault happened it will display fault messages in LCD panel sai NEER ve on l i et INPUT JU it Zz Pr eet OUTPUT 1 e eg J z Ca lt CE ic TE i eN IF Fault status LCD display TAT __oureut f oS a Oo Ls Pi F T z 7 234 n00 34 NNr INPUT Lorie INPUT OUTPUT OE IT a Xtreme Power Conversion Corporation Page 28 NXTi 3P 1P User s Manual Uninterruptible Power Supply Fault Code Faultcode Faultevent icon Faultcode Faultevent leon Em Ee N EE 06 Converter over current over current None Parallel communication failure None Parallel output current unbal Inverter soft start failure None EE None High inverter voltage None 4 Over Over temperature None Inverter output short circuited Warning
12. display Xtreme Power Conversion Corporation Page 25 NXTi3P 1P User s Manual Uninterruptible Power Supply me When the input voltage is within voltage regulation range and ECO mode is P enabled UPS will bypass voltage to output for energy saving E ES B a a P ae Lge ECO mode LCD display en man l es I LL Ll E i fi mi EI Ie When the output frequency is set to CF the inverter will output constant fre Description quency 50 Hz or 60 Hz At this mode the UPS will have no bypass output but still charge battery so E F wo o A W i 1 H i Vac mat TE tit LET BUT wu rc i PA N Pa CVCF mode i ar A od ac ac j 1 Fi LCD display Bi i GLT LT rc rite LETELT z N ca i ULI i l_es IE 1 me a mmm Xtreme Power Conversion Corporation Page 26 NXTi3P 1P User sManual ssi Uninterruptible Power Supply Descriotion When the input voltage frequency is beyond the acceptable range or power fail P ure UPS will backup power from battery and alarm will beep every 4 seconds A our PET L 229 nv LLLI Me Battery mode 7 a E 4 LCD display a on When input voltage is within acceptable range and bypass is enabled turn off p the UPS and it will enter Bypass mode Alarm beeps every two minutes p l Vac tap i Vac al Ea T dIE L s rs m 5 o
13. es the load level by 0 25 26 50 51 75 and 76 100 L SHORT Indicates the load or the output is short Mode operation information Indicates the UPS connects to the mains Xtreme Power Conversion Corporation Page 10 NXTi 3P 1P User s Manual Uninterruptible Power Supply Indicates the Battery capacity by 0 25 26 50 51 75 and 76 100 TT FAULT Indicates the battery is not connected LOW BATT Indicates low battery level and low battery voltage Input amp Battery voltage information HAAG el Indicates the input voltage or frequency or battery voltage Vac Input voltage Vdc ir AA Hz battery voltage Hz input frequency Audible Alarm Description Buzzerstatus Muted Bypass mode Beeping once every 2 minutes Battery mode Beeping once every 4 seconds Yes Fault mode Beeping continuously Xtreme Power Conversion Corporation Page 11 NXTi 3P 1P User s Manual Uninterruptible Power Supply Beeping once every second aut Beeping continuously Single UPS Operation Turn on the UPS with utility power supply in AC mode 1 After power supply is connected correctly set the breaker of the battery pack at ON position the step only available for long run model Then set the line input breaker at ON position for dual input unit also set the bypass input breaker at ON At this time the fan is running and the UPS enter to power on mode for initialization several seconds later
14. f ECO function is disabled voltage range and frequency range for ECO mode still can be set but it is meaningless unless the ECO func tion is enabled Parameter 2 Low voltage point in ECO mode The setting range is from 5 to 10 of the nominal voltage Parameter 3 High voltage point in ECO mode The setting range is from 5 to 10 of the nominal voltage Parameter 2 Set low voltage point for ECO mode 50 Hz system Setting range is from 46 0Hz to 48 0Hz 60 Hz system Setting range is from 56 0Hz to 58 0Hz The default value is 48 0Hz 58 0Hz Parameter 3 Set high voltage point for ECO mode 50 Hz Setting range is from 52 0Hz to 54 0 Hz 60 Hz Setting range is from 62 0Hz to 64 0Hz The default value is 52 0Hz 62 0Hz Page 20 NXTi 3P 1P User s Manual Uninterruptible Power Supply 08 Bypass mode setting Interface Parameter 2 OPN Bypass allowed When selected UPS will run at Bypass mode NE depending on bypass enabled disabled setting FBD Bypass not allowed When selected it s not allowed for run non cng ning in Bypass mode under any situations Parameter 3 ENA Bypass enabled When selected Bypass mode is activated DIS Bypass disabled When selected automatic bypass is accept able but manual bypass is not allowed Manual bypass means us ers manually operate UPS for Bypass mode For example pressing OFF button in AC mode to turn into Bypass mode Parameter 3 000 999 Set the maximum discha
15. is muted the buzzer will beep again 2 Some warning alarms can t be muted unless the error is fixed Operation in warning status 1 When Fault LED flashes and the buzzer beeps once every second it means that there are some problems for UPS operation Users can get the warning indicator from LCD panel Please check the trouble shooting table for details 2 Some warning alarms can t be muted unless the error is fixed Operation in Fault mode 1 When Fault LED illuminates and the buzzer beeps continuously it means that there is a fatal error in the UPS Users can get the fault code from display panel Please check the trouble shooting table for details 2 Please check the loads wiring ventilation utility battery and so on after the fault occurs Don t try to turn on the UPS again before solving the problems If the problems can t be fixed please contact the distributor or service people immediately 3 For emergency case please cut off the connection from utility external battery and output immediately to avoid more risk or danger Operation of changing battery numbers 1 This operation is only available for professional or qualified technicians 2 Turn off the UPS If the load couldn t be cut off you should remove the cover of maintenance bypass switch on the rear panel and turn the maintenance switch to BPS position first 3 Switch off the line input breaker for dual input unit also switch off the bypass input b
16. n on the unit and notify the carrier and dealer immediately if there is any damage or lacking of some parts Please keep the original package in a safe place for future use Xtreme Power Conversion Corporation Page 4 NXTi 3P 1P User s Manual Uninterruptible Power Supply Rear Panel View 10K 10KL Input Output Terminal RS 232 communication port USB communication port Emergency power off function connector EPO connector Share current port only available for parallel model Parallel port only available for parallel model Intelligent slot Charger fan Power stage fan Maintenance bypass switch oe N ee ee a Xtreme Power Conversion Corporation Page 5 NXTi 3P 1P User s Manual Uninterruptible Power Supply 10 Input circuit breaker 11 Output circuit breaker for receptacles 12 Output receptacles connect to mission critical loads 13 Input Output terminal Refer to Diagram 4 5 6 and 7 for the details 14 Output terminal connect to mission critical loads 15 Programmable output terminal connect to non critical loads 16 External battery terminal only available for Long run model 17 Utility input terminal 18 Grounding terminal Single UPS Installation Installation and wiring must be performed in accordance with the local electric laws regulations and execute the following instructions by professional personnel 1 Make sure the mains
17. nection Battery mode operation 1 A i When the UPS is in Battery mode the buzzer will beep according to different battery capacity If the bat tery capacity is more than 25 the buzzer will beep once every 4 seconds If the battery voltage drops to the alarm level the buzzer will beep quickly once every sec to remind users that the battery is at low level and the UPS will shut down automatically soon Users could switch off some non critical loads to disable the shutdown alarm and prolong the backup time If there is no more load to be switched off at that time you have to shut down all loads as soon as possible to protect the devices or save data Otherwise there is a risk of data loss or load failure In Battery mode if buzzer sound annoys users can press the Mute button to disable the buzzer The backup time of the long run model depends on the external battery capacity The backup time may vary from different environment temperature and load type When setting backup time for 16 5 hours default value from LCD panel after discharging 16 5 hours UPS will shut down automatically to protect the battery This battery discharge protection can be enabled or disabled through LCD panel control Xtreme Power Conversion Corporation Page 13 NXTi 3P 1P User s Manual Uninterruptible Power Supply Test the batteries 1 If you need to check the battery status when the UPS is running in AC mode CVCF mode you could press the Test
18. ninterruptible Power Supply 6 7 NOTE 2 There are two kinds of outputs output terminal outlets and programmable terminal Please con nect non critical devices to the programmable terminal and critical devices to the output terminal outlets During power failure you may extend the backup time to critical devices by setting shorter backup time for non critical devices NOTE 3 Please install the output breaker between the output terminal and the load and the breaker should be qualified with leakage current protective function if necessary Insert the EPO plug into the EPO slot on the rear panel Put the terminal block cover back to the rear panel of the UPS Warning Only for standard model Make sure the UPS is not turned on before installation The UPS should not be turned on during wiring connection Do not try to modify the standard model to the long run model Particularly do not try to connect the standard internal battery to the external battery The battery type and voltage may be different If you con nect them together it maybe causes the hazard of electric shock or fire Warning Only for long run model Make sure a DC breaker or other protection device between UPS and external battery pack is installed If not please install it carefully Switch off the battery breaker before installation NOTE Set the battery pack breaker in OFF position and then install the battery pack Pay highly attention to the rated ba
19. ns one by one which represents 3 phase input voltages An bn Cn 3 line input voltages Ab bC CA and frequency in turns 2 If parallel UPS systems are successfully set up it will show one more screen with PAR in parameter 2 and assigned number in parameter 3 as below parallel screen diagram The master UPS will be default assigned as 001 and slave UPSs will be assigned as either 002 or 003 The assigned numbers may be changed dynamically in the operation a J 1 TT VP OF dm Lr Parallel screen Warning screen 3 If some errors occur in the UPS it will show one more screen to represent the warning situation In the warning screen it can show up to 3 error codes and each code indicates one error You can find the mean ings of error codes in the warning code table Operating mode status When UPS is powered on it will enter into this mode for a few seconds as ini Description id tializing the CPU and system UPS Power On OER LCD display 7 BO i gaa Xtreme Power Conversion Corporation Page 24 NXTi 3P 1P User s Manual Uninterruptible Power Supply When L1 is out of acceptable range or bypass is disabled or forbidden UPS Description will enter into no output mode if powering on or turning off the UPS It means the UPS has no output Alarm beeps every two minutes No output mode IN RRR LCD display ecu JUL b 3 m AC mode 22 Vac 229 Vac LCD
20. o one can step on or trip over them e Do not block air vents in the housing of UPS The UPS must be installed in a location with good ventilation Ensure enough space on each side for ventilation e UPS has provided earthed terminal in the final installed system configuration equi potential earth bond ing to the external UPS battery cabinets e The UPS can be installed only by qualified maintenance personnel e An appropriate disconnect device as short circuit backup protection should be provided in the building wiring installation e Anintegral single emergency switching device which prevents further supply to the load by the UPS in any mode of operation should be provided in the building wiring installation e Connect the earth before connecting to the building wiring terminal e Installation and Wiring must be performed in accordance with the local electrical laws and regulations Operation e Do not disconnect the earth conductor cable on the UPS or the building wiring terminals in any time since this would cancel the protective earth of the UPS system and of all connected loads e The UPS system features its own internal current source batteries The UPS output sockets or output ter minal blocks may be electrically live even if the UPS system is not connected to the building wiring outlet e In order to fully disconnect the UPS system first press the OFF button and then disconnect the mains e Ensure that no liquid or other fo
21. om UPS to BPS Turn off all the input breakers and battery breakers in parallel system 3 Turn off the output breaker and remove the parallel cable and share current cable of the UPS which you want to remove Then remove it from parallel system 4 Turnonthe input breaker of the remaining UPS and the system will transfer to Bypass mode Set the main tenance switches from BPS to UPS and put the maintenance bypass covers back 5 Turn on the remaining UPS according to the previous section Warning Only for the parallel system e Before turning on the parallel system to activate inverter make sure that all unit s maintenance switch at the same position e When parallel system is turned on to work through inverter please do not operate the maintenance switch of any unit Abbreviation Meaning in LCD Display Abbreviation Display content CVCF mode Xtreme Power Conversion Corporation Page 16 gt lt UD D U C on D on lt eB 2 OFF Off Li FBD Not allowed ve N n Lt E OP V Output voltage Parallel 001 means the first UPS J SA i C 2 3 et D ER D q el D id O D Wn D D lt Neutral line loss Q 10 l gt lt _ The first phase amp n The second phase The third phase rz seal The first line 5 N The second line ee The third line O OD gt O m Xtreme Power Conversion Corp
22. oration Page 17 NXTi 3P 1P User s Manual Uninterruptible Power Supply LCD Setting There are three parameters to set up the UPS Refer to following diagram Parameter 1 Parameter 1 It s for program alternatives Refer to below tables for the programs to set up Parameter 2 and parameter 3 are the setting options or values for each program Parameter 2 Parameter 3 Note The following order of setting code only presents when UPS is in Bypass Mode or no output mode The set ting code number will change the numbers under other modes For example when the UPS is in AC mode the to tal available setting becomes 7 only Then setting code of Bypass mode setting will become 01 Battery backup time setting will become 02 and so on 16 programs available list for parameter 1 nee Bypass No AC ECO CVCF Battery Batter 0 Y 0 0 0 0 Shutdown point for programmable output Reserved Neutral Loss Ma a ES SS m Yl EN EKEN EK EKEN EK Ma SS SS Y Y Y Battery voltage adjustment Y Charger voltage adjustment Y Inverter voltage adjustment Output voltage calibration Phase auto adapt enable disable Y Y means that this program can be set in this mode It is only available to operate when a loss of neutral line is detected Otherwise it will display setting menu 1 2 3 5 7 10 11 12 13 14 15 16 17 ME ME ad ME MEE ma Ma ME u nm in program Xtreme Power Con
23. r such as BUS capacitors e Only persons are adequately familiar with batteries and with the required precautionary measures may replace batteries and supervise operations Unauthorized persons must be kept well away from the bat teries e Verify that no voltage between the battery terminals and the ground is present before maintenance or repair In this product the battery circuit is not isolated from the input voltage Hazardous voltages may occur between the battery terminals and the ground e Batteries may cause electric shock and have a high short circuit current Please remove allwristwatches rings and other metal personal objects before maintenance or repair and only use tools with insulated grips and handles for maintaining or repairing e When replace the batteries install the same number and same type of batteries e Do not attempt to dispose of batteries by burning them This could cause battery explosion The batteries must be rightly deposed according to local regulation e Do not open or destroy batteries Escaping electrolyte can cause injury to the skin and eyes It may be toxic e Please replace the fuse only with the same type and amperage in order to avoid fire hazards e Do not disassemble the UPS system Xtreme Power Conversion Corporation Page 32 NXTi 3P 1P User s Manual Specifications MODEL NUMBER Uninterruptible Power Supply NXTi 10K 3 1 NXTi 10KL 3 1 10kVA 8kW 400 415VAC 50 60Hz 4Hz
24. r within 56764 Hz at 60Hz according to setting in nec parameter 2 If 50 Hz selected in parameter 2 UPS will transfer to kig battery mode when input frequency is not within 46 54 Hz If 60Hz HE COU selected in parameter 2 UPS will transfer to battery mode when OUTPUT input frequency is not within 56 64 Hz If Parameter 2 is ATO the Parameter 3 will show the current fre quency Parameter 2 Set the acceptable low voltage for bypass Setting range is from 110V to 209V and the default value is 110V Parameter 3 Set the acceptable high voltage for bypass Setting range is from 231V to 276V and the default value is 264V Xtreme Power Conversion Corporation Page 19 NXTi 3P 1P User s Manual 04 Frequency range for bypass Interface JOB x 538 06e 209 23 1 EGO LI AD Seb Xtreme Power Conversion Corporation Uninterruptible Power Supply Parameter 2 Set the acceptable low freguency for bypass 50 Hz system Setting range is from 46 0Hz to 49 0Hz 60 Hz system Setting range is from 56 0Hz to 59 0Hz The default value is 46 0Hz 56 0Hz Parameter 3 Set the acceptable high frequency for bypass 50 Hz Setting range is from 51 0Hz to 54 0 Hz 60 Hz Setting range is from 61 0Hz to 64 0Hz The default value is 54 0Hz 64 0Hz Parameter 3 Enable or disable ECO function You may choose fol lowing two options DIS disable ECO function ENA enable ECO function I
25. reaker and switch off the battery breaker only available for long run model 4 Remove the cabinet cover and disconnect battery wire for standard model Then modify the jumper of JS3 on the control board to set the battery numbers as following table NOTE JS3 setting on the control board please shorts the Pin1 amp Pin2 for 18 pcs batteries shorts the Pin3 amp Pin4 for 19 pcs batteries and shorts the Pin5 amp Pin6 for 20 pcs batteries Xtreme Power Conversion Corporation Page 14 NXTi 3P 1P User s Manual Uninterruptible Power Supply 5 Modify the battery pack for the setting number carefully After complete it put the cover back switch on the battery breaker for long run model Parallel Operation Parallel system initial startup 1 Make sure all of the UPSs are parallel models and have the same configuration Then follow the wiring steps 2 Turn off the input and output breakers of each UPS and turn off the battery breaker if the UPS is long run model 3 Remove the cover of parallel share current port on the UPS Connect each UPS one by one with parallel cable and share current cable 4 Turnon the parallel system with utility power supply in AC mode d Turn on the input breaker of each UPS After all UPSs enter to bypass mode measure the voltage difference between the output line1 of each UPS with multimeter If the voltage difference is less than 1V it means all connections are correct If the difference i
26. reign objects can enter into the UPS system e The UPS can be operated by any individuals with no previous experience Xtreme Power Conversion Corporation Page 3 NXTi 3P 1P User s Manual Uninterruptible Power Supply Standards IEC EN 62040 1 Category C3 Category C3 Warning This is a product for commercial and industrial application in the second environment installation re strictions or additional measures may be needed to prevent disturbances Installation and Operation There are two different types of online UPS standard and long run models Please refer to the following model table Model Type Model Type NXTi 10K 3 1 Standard model NXTi 10KL 3 1 Long run model We also offer optional parallel function for these two types by request The UPS with parallel function is called as Parallel model We have described detailed installation and operation of Parallel Model in the following chapter Unpacking and Inspection Unpack the package and check the package contents The shipping package contains e One UPS e One user manual e One monitoring software CD e One RS 232 cable option e One USB cable e One EPO plug e One parallel cable only available for parallel model e One share current cable only available for parallel model e One battery cable only available for 10KL NOTE Before installation please inspect the unit Be sure that nothing inside the package is damaged during transportation Do not tur
27. rge time from 0 min to 999 min UPS will shut down to protect battery if the discharge time arrives before the battery is under voltage The default value is 990 min DIS Disable battery discharge protection and backup time will de pend on battery capacity Parameter 3 Set programmable output You may choose the fol lowing three options ON Programmable output is manually switched on timelessly OFF Programmable output is manually switched off However if UPS restarts this setting will automatically go to ATO status ATO Programmable output is automatically turned on or cut off according to battery or load status When the battery voltage is lower than the setting point or shutdown time arrives the pro grammable output will be cut off automatically After the utility is recovering the output will turn on automatically If overload hap pens the programmable output also will be cut off automatically If it happens 3 times the programmable output will be cut off until it is manually switched on OUTPUT Xtreme Power Conversion Corporation Page 21 NXTi 3P 1P User s Manual Uninterruptible Power Supply 11 Shutdown point for programmable output Interface Parameter 2 001 Set shutdown time for programmable output Parameter 3 Shutdown time in minutes Setting range is from O to 300 When shutdown time arrives the programmable output terminal will be cut off The default value is 30 minutes Parameter 2 00
28. ring diagram Xtreme Power Conversion Corporation Page NXTi 3P 1P User s Manual Uninterruptible Power Supply 7 a Input Neutral ae ED pm Input Line 3 N dD CD MM Input Line 2 L L2 ap me Input Line 1 C2 Cu CN mm a QU CN T J mm LI LJ gt dl B I ma UI LI T mm evo 3 mm af l cs l I N I A N gt mm Output 2 Neutral N p Output 2 Line Output 1 Neutral SP OP Output 1 Line UI j Wiring diagram of parallel system for 10K 10KL Software Installation For optimal computer system protection install UPS monitoring software to fully configure UPS shutdown Xtreme Power Conversion Corporation Page 8 NXTi 3P 1P User s Manual Uninterruptible Power Supply Operations Button Operation e Turn on the UPS Press and hold the button more than 0 5s to turn on the UPS N E Butt i i ion i ON Enter Button e Enter Key Press this button to confirm the selection in setting menu e Turn off the UPS Press and hold the button more than 0 5s to turn off the UPS OFF ESC Button l l e Esc key Press this button to return to last menu in setting menu e Battery test Press and hold the button more than 0 5s to test the battery while in Test Up Button AC mode and CVCF mode e UP key Press this button to display next selection in setting menu e Mute the alarm Press and hold the button more than 0 5s to mute the buzzer Mute Down Button Dop i
29. s more than 1V recheck if the wir ings are connected correctly After voltage difference is measured less than 1V turn on each UPS in turns After a while the UPSs will enter to AC mode synchronously Measure the output voltage of each UPS to check if the voltage difference is less than 1 5V typical 1V with multimeter If the difference is more than 1 5V please calibrate output voltage by configuring inverter voltage Program 15 in LCD setting If voltage difference remains more than 1 5V please contact your local distributor or service center for help Turn off each UPS in turns and after all of UPSs transfer to Bypass mode turn on the output breaker of each UPS Turn on each UPS in turns after a while the UPSs will enter to AC mode synchronously and then the parallel system installation is complete 5 Turn on the parallel system without utility power supply in Battery mode d Turn on the battery breaker only available in long run model and output breaker of each UPS NOTE 1 The output breaker of each UPS should be turned on when turning on the parallel system without utility power supply Otherwise the parallel system cannot be operated NOTE 2 It s not allowed to share one battery pack for long run UPSs in parallel system Each UPS should be connected to its battery pack Turn on any one UPS A few seconds later the UPS will enter to battery mode Then turn on another UPS A few seconds later the UPS will enter to bat
30. sed position to disable EPO function The external or internal battery Check if all batteries are connected is incorrectly connected well Xtreme Power Conversion Corporation Page 30 NXTi 3P 1P User s Manual Uninterruptible Power Supply UPS is overload Remove excess loads from UPS output UPS is overloaded Devices con nected to the UPS are fed directly Remove excess loads from UPS by the electrical network via the output Bypass The icon and flash on LCD display and alarm beeps twice every second After repetitive overloads the UPS is locked in the Bypass mode Connected devices are fed di rectly by the mains Remove excess loads from UPS out put first Then shut down the UPS and restart it Fault code is shown as 43 The icon UPS is overload too long and be lights on LCD display and alarm comes fault Then UPS shut down beeps continuously automatically Remove excess loads from UPS output and restart it Fault code is shown as 14 the icon The UPS shut down automatically Check output wiring and if con lights on LCD display and because short circuit occurs on nected devices are in short circuit alarm beeps continuously the UPS output Status A UPS internal fault has occurred There are two possible results 1 The load is still supplied but directly from AC power via Contact your dealer bypass The load is no longer supplied by power Fault code is shown as 1 2 3 4 6 11
31. t and then switch on the devices one by one the LCD panel will display total load level If it is necessary to connect the inductive loads such as a printer the in rush current should be calculated carefully to see if it meets the capacity of the UPS because the power consumption of this kind of loads is too big If the UPS is overload the buzzer will beep twice every second When the UPS is overload please remove some loads immediately It is recommended to have the total loads connected to the UPS less than 80 of its nominal power capacity to prevent overload for system safety If the overload time is over acceptable time listed in spec at AC mode the UPS will automatically transfer to Bypass mode After the overload is removed it will return to AC mode If the overload time is over ac ceptable time listed in spec at Battery mode the UPS will become fault status At this time if bypass is enabled the UPS will power to the load via bypass If bypass function is disabled or the input power is not within bypass acceptable range it will cut off output directly Charge the batteries 1 After the UPS is connected to the utility power the charger will charge the batteries automatically except in Battery mode or during battery self test Suggest to charge batteries at least 10 hours before use Otherwise the backup time may be shorter than expected time Make sure the battery numbers setting on the control board is consistent to real con
32. tery mode and add to the parallel system If you have the third UPS follow the same procedure of c Then the parallel system is complete Add one new unit into the parallel system 1 You cannot add one new unit into the parallel system when whole system is running You must cut off the load and shutdown the system 2 Make sure all of the UPS are the parallel models 3 Install the new parallel system refers to the previous section Remove one unit from the parallel system There are two methods to remove one unit from the parallel system First method 1 Press the OFF key twice and each time should be lasted for more than 0 5s Then the UPS will enter into bypass mode or no output mode without output 2 Turn off the output breaker of this unit and then turn off the input breaker of this unit Xtreme Power Conversion Corporation Page 15 NXTi 3P 1P User s Manual Uninterruptible Power Supply 3 After it shuts down you can turn off the battery breaker for long run model and remove the parallel and share current cables And then remove the unit from the parallel system Second method 1 Ifthe bypass is abnormal you can not remove the UPS without interruption You must cut off the load and shut down the system first 2 Make sure the bypass setting is enabled in each UPS and then turn off the running system All UPSs will transfer to Bypass mode Remove all the maintenance bypass covers and set the maintenance switches fr
33. ttery voltage marked on the rear panel If you want to change the num bers of the battery pack please make sure you modify the setting simultaneously The connection with wrong battery voltage may cause permanent damage of the UPS Make sure the voltage of the battery pack is correct Pay highly attention to the polarity marking on external battery terminal block and make sure the correct battery polarity is connected Wrong connection may cause permanent damage of the UPS Make sure the protective earth ground wiring is correct The wire current spec color position connection and conductance reliability should be checked carefully Make sure the utility input amp output wiring is correct The wire current spec color position connection and conductance reliability should be checked carefully Make sure the L N site is correct not reverse and short circuited UPS Installation for Parallel System If the UPS is only available for single operation you may skip this section to the next 1 2 3 Install and wires the UPSs according to the Single UPS Installation section Connect the output wires of each UPS to an output breaker Connect all output breakers to a major output breaker Then this major output breaker will directly con nect to the loads Each UPS is connected to an independent battery pack NOTE The parallel system cannot use one battery pack Otherwise it will cause system permanent failure Refer to the following wi
34. urate charger voltage Any modification should be suitable to battery specifications Parameter 2 you may choose Add or Sub to adjust inverter A volt age Parameter 3 the voltage range is from OV to 9 9V and the default value is OV Ge Parameter 2 it always shows OPV as output voltage AE Parameter 3 it shows the internal measurement value of the out mot i EIE vn put voltage and you can calibrate it by pressing Up or Down ac LIT LI Li cording to the measurement from an external voltage meter The calibration result will be effective by pressing Enter The calibration range is limited within 9V This function is normally used for par allel operation Parameter 2 it always shows PH A as phase auto adapt function Parameter 3 Enable or disable phase auto adapt function You may choose following two options DIS disable phase auto adapt function Then the UPS only can ac cept the phase order which L2 delay L1 1202 L3 delay L2 1202 ENA enable phase auto adapt function Then the UPS can accept either inputs of L1 L2 L3 in the same phase or the phase order which L2 delay L1 1202 L3 delay L2 120 r L2 delay L1 2402 L3 delay L2 2402 Xtreme Power Conversion Corporation Page 23 NXTi 3P 1P User s Manual Uninterruptible Power Supply Operating Mode Status Description Following table shows LCD display for operating modes and status 1 If the UPS is in normal operation it will show seven scree
35. version Corporation Page 18 NXTi 3P 1P User s Manual Uninterruptible Power Supply 01 Output voltage Interface Parameter 3 Output voltage You may choose the following output voltage in parameter 3 208 Presents output voltage is 208Vac 220 Presents output voltage is 220Vac 230 Presents output voltage is 230Vac 240 Presents output voltage is 240Vac 02 Output frequency Interface 60 Hz CVCF mode wae M De a Parameter 2 Output Frequency uw Setting the output frequency You may choose following three op Cre re tions in parameter 2 UD ne LL 50 0Hz The output frequency is setting for 50 0Hz 60 0Hz The output frequency is setting for 60 0Hz ATO If selected output frequency will be decided according to the latest normal utility frequency If it is from 46Hz to 54Hz the out put frequency will be 50 0Hz If it is from 56Hz to 64Hz the output 50 Hz Normal mode frequency will be 60 0Hz ATO is default setting N ec Parameter 3 Frequency mode NN ae c Setting output frequency at VER mode or not CVCF mode You may ad ns FI choose following two options in parameter 3 CF Setting UPS to CVCF mode If selected the output freguency will be fixed at 50Hz or 60Hz according to setting in parameter 2 PES The input frequency could be from 46Hz to 64Hz NCF Setting UPS to normal mode not CVCF mode If selected the output frequency will synchronize with the input frequency within 46754 Hz at 50Hz o
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