Related Manuals for Xtreme Power Conversion NXTi 3P-3P
Summary of Contents for Xtreme Power Conversion NXTi 3P-3P
- Page 1 NXTi 3P-3P Online UPS 20kVA Model User & Installation Manual www.xpcc.com | © 2015 Xtreme Power Conversion Corporation. All rights reserved. (Rev 6/24/15)
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Page 2: Table Of Contents
NXTi 3P-3P User’s Manual Uninterruptible Power Supply Table of Contents Safety and EMC Instructions.................3 Transportation and Storage......................3 Preparation............................3 Installation............................3 Standards............................4 Installation and Operation................4 Unpacking and Inspection.......................4 Rear Panel View..........................5 Single UPS Installation........................6 UPS Installation for Parallel System....................7 Software Installation........................8 Operations....................8... -
Page 3: Safety And Emc Instructions
NXTi 3P-3P 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 • 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. -
Page 4: Standards
NXTi 3P-3P User’s Manual Uninterruptible Power Supply Standards * Safety IEC/EN 62040-1 * EMI Conducted Emission.......:IEC/EN 62040-2 Category C3 Radiated Emission........:IEC/EN 62040-2 Category C3 *EMS ESD............:IEC/EN 61000-4-2 Level 4 RS............:IEC/EN 61000-4-3 Level 3 EFT............:IEC/EN 61000-4-4 Level 4 SURGE...........:IEC/EN 61000-4-5 Level 4 CS............:IEC/EN 61000-4-6... -
Page 5: Rear Panel View
NXTi 3P-3P User’s Manual Uninterruptible Power Supply Rear Panel View 20K/20KL Rear Panel 20K/20KL Input/Output Terminal Xtreme Power Conversion Corporation Page 5... -
Page 6: Single Ups Installation
NXTi 3P-3P User’s Manual Uninterruptible Power Supply 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. -
Page 7: Ups Installation For Parallel System
NXTi 3P-3P User’s Manual Uninterruptible Power Supply Terminal Block wiring diagram of 20K/20KL NOTE 1: Make sure that the wires are connected tightly with the terminals. NOTE 2: 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. -
Page 8: Software Installation
NXTi 3P-3P User’s Manual Uninterruptible Power Supply NOTE: The parallel system cannot use one battery pack. Otherwise, it will cause system permanent failure. 5. Refer to the following wiring diagram: Wiring diagram of parallel system for 20K/20KL Software Installation For optimal computer system protection, install UPS monitoring software to fully configure UPS shutdown. -
Page 9: Led Indicators And Lcd Panel
NXTi 3P-3P User’s Manual Uninterruptible Power Supply LED Indicators and LCD Panel LED Indicators There are 4 LEDs on front panel to show the UPS working status: Mode Bypass Line Battery Fault UPS On ● ● ● ● No Output mode ○... - Page 10 NXTi 3P-3P User’s Manual Uninterruptible Power Supply Display Function Backup time information Indicates the battery discharge time in numbers H: hours, M: minutes, S: seconds Fault information Indicates that the warning and fault occurs. Indicates the fault codes Mute operation Indicates that the UPS alarm is disabled.
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Page 11: Audible Alarm
NXTi 3P-3P User’s Manual Uninterruptible Power Supply 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:... -
Page 12: Single Ups Operation
NXTi 3P-3P User’s Manual Uninterruptible Power Supply Bus start failure Bus over Bus under Bus unbalance Converter over current Inverter soft start failure High Inverter voltage Low Inverter voltage Beeping continuously Inverter output short circuited Negative power fault Battery SCR short circuited... - Page 13 NXTi 3P-3P User’s Manual Uninterruptible Power Supply loads connected to the UPS less than 80% of its nominal power capacity to prevent overload for system safety. 5. If the overload time is over acceptable time listed in spec at AC mode, the UPS will automatically transfer to Bypass mode.
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Page 14: Parallel Operation
NXTi 3P-3P User’s Manual Uninterruptible Power Supply 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 is muted, the buzzer will beep again. 2. Some warning alarms can’t be muted unless the error is fixed. - Page 15 NXTi 3P-3P User’s Manual Uninterruptible Power Supply 2. Calibrate the output voltage measurement by configuring output voltage calibration in LCD setting to make sure the difference between real output voltage and detected value of UPS is less than 1V. 3. Turn off each UPS.
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Page 16: Abbreviation Meaning In Lcd Display
NXTi 3P-3P User’s Manual Uninterruptible Power Supply Warning: (Only for the parallel system) • Before turning on the parallel system to activate inverter, make sure that all unit’s maintenance switch at the same position. • When parallel system is turned on to work through inverter, please do not operate the maintenance switch of any unit. -
Page 17: Lcd Setting
NXTi 3P-3P User’s Manual Uninterruptible Power Supply Check OP.V Output voltage Parallel, 001 means the first UPS The first phase The second phase The third phase The first line The second line The third line LCD Setting There are three parameters to set up the UPS. Refer to following diagram. - Page 18 NXTi 3P-3P User’s Manual Uninterruptible Power Supply 16 programs available list for parameter 1: Bypass / No CVCF Battery Battery Code Description Output mode mode mode mode mode Test Output voltage Output frequency Voltage range for bypass Frequency range for bypass...
- Page 19 NXTi 3P-3P User’s Manual Uninterruptible Power Supply 02: Output frequency Interface Setting 60 Hz, CVCF mode Parameter 2: Output Frequency Setting the output frequency. You may choose following three op- tions in parameter 2: 50.0Hz: The output frequency is setting for 50.0Hz.
- Page 20 NXTi 3P-3P User’s Manual Uninterruptible Power Supply 04: Frequency range for bypass Interface Setting Parameter 2: Set the acceptable low frequency 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.
- Page 21 NXTi 3P-3P User’s Manual Uninterruptible Power Supply 08: Bypass mode setting Interface Setting Parameter 2: OPN: Bypass allowed. When selected, UPS will run at Bypass mode depending on bypass enabled/disabled setting. FBD: Bypass not allowed. When selected, it’s not allowed for run- ning in Bypass mode under any situations.
- Page 22 NXTi 3P-3P User’s Manual Uninterruptible Power Supply 12: Neutral loss detection Interface Setting Parameter 2: N.L: Indicates neutral loss detection function. Parameter 3: DIS: Disable the neutral loss detection function. The UPS will not detect the neutral loss or not.
- Page 23 NXTi 3P-3P User’s Manual Uninterruptible Power Supply 15: Inverter voltage adjustment Interface Setting Parameter 2: you may choose Add or Sub to adjust inverter A volt- age. Parameter 3: the voltage range is from 0V to 9.9V and the default value is 0V.
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Page 24: Operating Mode/Status Description
NXTi 3P-3P User’s Manual Uninterruptible Power Supply 19: Output B voltage calibration Interface Setting Parameter 2: it always shows OP.V as output voltage*. Parameter 3: it shows the internal measurement value of the out- put B voltage, and you can calibrate it by pressing Up or Down ac- cording to the measurement from an external voltage meter. - Page 25 NXTi 3P-3P User’s Manual Uninterruptible Power Supply Operating mode/status When UPS is powered on, it will enter into this mode for a few seconds as ini- Description tializing the CPU and system. UPS Power On LCD display 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.
- Page 26 NXTi 3P-3P User’s Manual Uninterruptible Power Supply When the input voltage is within acceptable range, UPS will provide pure and Description stable AC power to output. The UPS will also charge the battery at AC mode. AC mode LCD display...
- Page 27 NXTi 3P-3P User’s Manual Uninterruptible Power Supply When the input voltage is within voltage regulation range and ECO mode is Description enabled, UPS will bypass voltage to output for energy saving. ECO mode LCD display Xtreme Power Conversion Corporation Page 27...
- Page 28 NXTi 3P-3P User’s Manual Uninterruptible Power Supply 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.
- Page 29 NXTi 3P-3P User’s Manual Uninterruptible Power Supply When the input voltage/frequency is beyond the acceptable range or power fail- Description ure, UPS will backup power from battery and alarm will beep every 4 seconds. Battery mode LCD display Xtreme Power Conversion Corporation...
- Page 30 NXTi 3P-3P User’s Manual Uninterruptible Power Supply When input voltage is within acceptable range and bypass is enabled, turn off Description the UPS and it will enter Bypass mode. Alarm beeps every two minutes. Bypass mode LCD display Xtreme Power Conversion Corporation...
- Page 31 NXTi 3P-3P User’s Manual Uninterruptible Power Supply When UPS is in AC 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 Description inverter icons will blink to remind users. This operation is used to check the bat- tery status.
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Page 32: Fault Code
NXTi 3P-3P User’s Manual Uninterruptible Power Supply When UPS has fault happened, the inverter will be blocked. It will display fault Description code in screen, and the icon will light up. You can find the code meaning in the fault code table. -
Page 33: Warning Indicator
NXTi 3P-3P User’s Manual Uninterruptible Power Supply Warning Indicator Warning Icon (flashing) Alarm Battery low Beeping every second Overload Beeping twice every second Battery unconnected Beeping every second Over charge Beeping every second EPO enable Beeping every second Fan failure/Over temperature... -
Page 34: Troubleshooting
NXTi 3P-3P User’s Manual Uninterruptible Power Supply 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 The AC input power is... -
Page 35: Storage And Maintenance
NXTi 3P-3P User’s Manual Uninterruptible Power Supply Check and correct the input neutral con- nection. If the connection is ok and the alarm is still displaying, please refer to the LCD setting section, to enter the neutral The input neutral wire is... -
Page 36: Specifications
NXTi 3P-3P User’s Manual Uninterruptible Power Supply Specifications NXTi-20K NXTi-20KL MODEL NUMBER 20kVA (16kW) INPUT Capacity Voltage 380/400/415VAC line to line (220/230/240VAC line to neutral) Frequency 50/60Hz Power factor 0.99 Harmonic distortion < 8% THD non-linear load OUTPUT Rated voltage...