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NXTi 3P-1P Online UPS

10kVA Model

User & Installation Manual

www.xpcc.com

 

| © 2015 Xtreme Power Conversion Corporation. All rights reserved. (Rev 6/24/15)

Summary of Contents for NXTI 3P-1P

Page 1: ...NXTi 3P 1P Online UPS 10kVA Model User Installation Manual www xpcc com 2015 Xtreme Power Conversion Corporation All rights reserved Rev 6 24 15 ...

Page 2: ...ion 4 Rear Panel View 5 Single UPS Installation 6 UPS Installation for Parallel System 7 SoftwareInstallation 8 Operations 9 ButtonOperation 9 LED Indicators and LCD Panel 9 AudibleAlarm 11 Single UPS Operation 12 ParallelOperation 15 Abbreviation Meaning in LCD Display 16 LCD Setting 18 Operating Mode Status Description 24 Fault Code 29 Warning Indicator 29 Warning Code 30 Troubleshooting 30 Stor...

Page 3: ...tilation Ensure enough space on each side for ventilation UPS has provided earthed terminal in the final installed system configuration equi potential earth bond ing to the external UPS battery cabinets The UPS can be installed only by qualified maintenance personnel An appropriate disconnect device as short circuit backup protection should be provided in the building wiring installation An integr...

Page 4: ...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 sh...

Page 5: ...Panel 10K 10KL Input Output Terminal 1 RS 232 communication port 2 USB communication port 3 Emergency power off function connector EPO connector 4 Share current port only available for parallel model 5 Parallel port only available for parallel model 6 Intelligent slot 7 Charger fan 8 Power stage fan 9 Maintenance bypass switch ...

Page 6: ... 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 Model Wiring spec AWG Input Output Ba...

Page 7: ...ation NOTE Set the battery pack breaker in OFF position and then install the battery pack Pay highly attention to the rated battery 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 ...

Page 8: ...on NXTi 3P 1P User s Manual Page 8 Uninterruptible Power Supply Wiring diagram of parallel system for 10K 10KL Software Installation For optimal computer system protection install UPS monitoring software to fully configure UPS shutdown ...

Page 9: ... to test the battery while in AC mode and CVCF mode UP key Press this button to display next selection in setting menu Mute Down Button Mute the alarm Press and hold the button more than 0 5s to mute the buzzer Down key Press this button to display previous selection in setting menu Test Up Mute Down Button Press and hold the two buttons simultaneous more than 1s to enter escape the setting menu C...

Page 10: ...t the warning and fault occurs Indicates the fault codes Mute operation Indicates that the UPS alarm is disabled Output Battery voltage information Indicates the output voltage frequency or battery voltage Vac output voltage Vdc battery voltage Hz frequency Load information Indicates the load level by 0 25 26 50 51 75 and 76 100 Indicates overload Indicates the load or the output is short Mode ope...

Page 11: ...mation Indicates the Battery capacity by 0 25 26 50 51 75 and 76 100 Indicates the battery is not connected Indicates low battery level and low battery voltage Input Battery voltage information Indicates the input voltage or frequency or battery voltage Vac Input voltage Vdc battery voltage Hz input frequency Audible Alarm Description Buzzer status Muted UPS status Bypass mode Beeping once every 2...

Page 12: ...ative power fault Battery SCR short circuited Inverter relay short circuited Battery fuse broken in battery mode Parallel communication failure Parallel output current unbalance 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 t...

Page 13: ... 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...

Page 14: ...buzzer 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...

Page 15: ...tor or service center for help c Turn off each UPS in turns and after all of UPSs transfer to Bypass mode turn on the output breaker of each UPS d 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 a Turn on the battery breaker only avai...

Page 16: ...akers 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 Turn on the 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...

Page 17: ...nterruptible Power Supply OFF Off FBD Not allowed OPN Allow RES Reserved N L Neutral line loss CHE Check OP V Output voltage PAR Parallel 001 means the first UPS AN The first phase BN The second phase CN The third phase AB The first line BC The second line CA The third line ...

Page 18: ... mode AC mode ECO mode CVCF mode Battery mode Battery Test 01 Output voltage Y 02 Output frequency Y 03 Voltage range for bypass Y 04 Frequency range for bypass Y 05 ECO mode enable disable Y 06 Voltage range for ECO mode Y 07 ECO mode frequency range setting Y 08 Bypass mode setting Y Y 09 Battery backup time setting Y Y Y Y Y Y 10 Programmable output setting Y Y Y Y Y Y 11 Shutdown point for pro...

Page 19: ...t setting Parameter 3 Frequency mode Setting output frequency at CVCF mode or not CVCF mode You may choose following two options in parameter 3 CF Setting UPS to CVCF mode If selected the output frequency will be fixed at 50Hz or 60Hz according to setting in parameter 2 The input frequency could be from 46Hz to 64Hz NCF Setting UPS to normal mode not CVCF mode If selected the output frequency will...

Page 20: ...S disable ECO function ENA enable ECO function If 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 06 Voltage range for ECO mode Interface Setting 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 r...

Page 21: ... 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 10 Programmable output setting Interface Setting Parameter 3 Set programmable output You may choose the fol lowing three options ON Programmable output is manually switched on timelessly OFF...

Page 22: ... be cut off The de fault value is 11 2V 12 Reserved Neutral Line Loss Interface Setting When input neutral line is correctly detected will be dis played in parameter 2 and parameter 3 When a loss of input Neutral line is detected this program will be come input Neutral line detecting menu It will display in parameter 2 and in parameter 3 When it occurs please re connect the input Neutral line well...

Page 23: ...er 2 it always shows OP V as output voltage Parameter 3 it shows the internal measurement value of the out put voltage and you can calibrate it by pressing Up or Down ac 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 17 Phase auto a...

Page 24: ...d 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 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 ...

Page 25: ...or bypass is disabled or forbidden UPS 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 LCD display AC mode Description When the input voltage is within acceptable range UPS will provide pure and stable AC power to output The UPS will also charge the battery at AC mode LCD display ...

Page 26: ...voltage is within voltage regulation range and ECO mode is enabled UPS will bypass voltage to output for energy saving LCD display CVCF mode Description When the output frequency is set to CF the inverter will output constant fre quency 50 Hz or 60 Hz At this mode the UPS will have no bypass output but still charge battery LCD display ...

Page 27: ...nput voltage frequency is beyond the acceptable range or power fail ure UPS will backup power from battery and alarm will beep every 4 seconds LCD display Bypass mode Description When input voltage is within acceptable range and bypass is enabled turn off the UPS and it will enter Bypass mode Alarm beeps every two minutes LCD display ...

Page 28: ...mode or CVCF mode press Test key for more than 0 5s Then the UPS will beep once and start Battery Test The line between I P and inverter icons will blink to remind users This operation is used to check the bat tery status LCD display Fault status Description When UPS has fault happened it will display fault messages in LCD panel LCD display ...

Page 29: ...rter over current None 31 Parallel communication failure None 11 Inverter soft start failure None 36 Parallel output current unbal ance None 12 High inverter voltage None 41 Over temperature None 13 Low inverter voltage None 43 Overload 14 Inverter output short circuited 46 UPS model abnormal None Warning Indicator Warning Icon flashing Alarm Battery low Beeping every second Overload Beeping twice...

Page 30: ...ilure 36 Inverter inter current unbalance 0B EPO enable 3A Cover of maintain switch is open 0D Over temperature 3B Phase auto adapt failure 0E Charger failure Troubleshooting If the UPS system does not operate correctly please solve the problem by using the table below Symptom Possible cause Remedy No indication and alarm in the front display panel even though the mains is normal The AC input powe...

Page 31: ...t it Fault code is shown as 14 the icon lights on LCD display and alarm beeps continuously The UPS shut down automatically because short circuit occurs on the UPS output Check output wiring and if con nected devices are in short circuit status Fault code is shown as 1 2 3 4 6 11 12 13 1A 21 24 29 35 36 41 or 46 on LCD display and alarm beeps continuously A UPS internal fault has occurred There are...

Page 32: ...quately 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 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 ...

Page 33: ...ype 20 12V 9AH N A Battery quantity and size 1A 4A PHYSICAL Input output Hardwire UPS dimensions W x D x H 250 x 592 x 576 mm 9 8 x 23 3 x 22 7 in UPS weight 83 kg 183 lbs 28 kg 60 lbs EBP dimensions W x D x H 250 x 592 x 576 mm 9 8 x 23 3 x 22 7 in EBP weight 125 kg 276 lbs ENVIRONMENT Temperature 0 40 C 32 104 F Humidity 0 95 non condensing Audible noise 58dBA Altitude 3 500 m 11 500 ft above se...

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