TO DOWNLOAD USER MANUAL 10 kVA
Contents
1. 60 60 50 o 40 30 Discharging Time min 20 Discharging Time min 0 0 25 50 75 100 0 25 50 75 100 Load level Load level backup time of 6kVA backup time of 10kVA 3 2 6 Communication Port Intelligent slot This series is equipped with an intelligent slot for Webpower optional accessory or other optional card to achieve remote management of the UPS through internet intranet Please contact your local distributor for further information RS232 interface 1 The following are the descriptions and pin assignment of RS232 DB 9 port Baud rate 2400bps 17 Data bit 8 bit Ending bit 1bit Parity bit None DB 9 pin assignment Pin number Function description 1 0 3 Rx input 2 Tx output 5 Ground GND Optional AS400 interface Tx GND RS232 Interface This optional AS400 card provides dry contact closure signal OPEN or CLOSE Following are the pin assignment and the descriptions of AS400 card PIN1 UPS failure normally open active close PIN2 summary alarmPIN3 ground PIN4 Remote shutdown PIN5 Common PIN6 Bypass active relay close PIN7 Battery low PIN8 UPS On relay close PIN9 Utility Power failure normally open active close UP2. Uninterruptible Power Supply UPS Online UPS 6KVA 20KVA USER MANUAL 1 Brief introduction 1 1 System and model description This Online Series is an uninterruptible power supply incorporating double conversion technology It provides perfect protection specifically for computer equipment Communication Systems to computerized instruments Its true online double conversion design eliminates all mains power disturbances A rectifier converts the alternating current from the utility power to direct current This direct current charges the batteries and powers the inverter On the basis of this DC voltage the inverter generates a pure sinusoidal AC voltage which is constantly powering the loads Computers and Peripherals are thus powered entirely by the UPS In the event of power failure the maintenance free batteries power the inverter This manual is applicable to the following models 1 The NST3100060 is a standard model with inbuilt battery hereinafter called 6KS 2 The NST3100060 L is a long backup time model which is able to connect with the external battery bank hereinafter called 6KS 3 The NST3100100 is a standard model with inbuilt battery hereinafter called 10KS 4 The NST3100100 L is a long backup time model which is able to connect with the external battery bank 5 The NST4100100 is a three phase input and single phase output long backup time model which is able to connect with the external battery ban
3. wire or other insulated wire which complies with AWG Standard for the UPS input and output wirings For 10K L 3 phase 10KS UPS it is recommended to select the UL1015 8AWG 10mm wire or other insulated wire which complies with AWG Standard for the UPS input and output wirings For 3 phase 15K 3 phase 20KL UPS it is recommended to select the UL1015 6AWG 25mm7 wire or other insulated wire which complies with AWG Standard for the UPS input and output wirings 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 5 Connect the input and output wires to the corresponding input and output terminals according to the following diagram Note you must make sure that the input and output wires and the input and output terminals are connected tightly The protective earth ground wire refers to the wire connection between the equipment which consumes electric equipment and the ground wire The wire diameter of protective earth ground wire should be at least as above mentioned for each model and green wire or green wire with yellow ribbon wire is used After having completed the installation make sure the wiring is correct Please install the leak current protective breaker at the output power distribution 10 11 panel of the UPS if necessary To connect the load with the UPS
4. please turn off all the loads first then perform the connection and finally turn on the loads one by one No matter the UPS is connected to the utility power or not the output of the UPS may have electricity The parts inside the unit may still have hazardous voltage after turning off the UPS To make the UPS have no output power off the UPS and then disconnect the utility power supply Suggest charging the batteries for 8 hours before use After connection turn the bypass breaker in the ON OFF position the UPS will charge the batteries automatically You can also use the UPS immediately without charging the batteries first but the backup time may be less than the standard value If it is necessary to connect the inductance load such as a monitor or a laser printer to the UPS the start up power should be used for calculating the capacity of the UPS as its start up power consumption is too big when it is started Input and output Terminal Block wiring diagram of 6K 10K 1 phase 10 2 4 Input and output Terminal Block wiring diagram of three phase 10 20kva Operating procedure for connecting the long backup time model UPS with theexternal battery 1 The nominal DC voltage of external battery pack is 192 240VDC Each battery pack consists of16 20 pieces of 12V maintenance free batteries in series To achieve longer back time it is possible to connect multi battery packs b
5. OVER BUS over voltage Check the bus BUS VOLT UNDER BUS under voltage Check the bus INV OVER TEMP Inverter over temperature Check the inverter PFC OVER TEMP PFC over temperature Check the PFC BYP SHORT Bypass short circuit Check the bypass BYP OVER LOAD Bypass overload Check the bypass BUS PEAK OVER Bus peak voltage over Check the bus BUSDISCHG FAIL Bus discharging fault Check the bus BUS SHORT Bus short circuit Check the bus PFC HARD FAIL PFC hardware fault Check the PFC PFC CURR FAIL PFC current fault Check the PFC INV CURR FAIL Inverter current fault Check the inverter LINE ORDER ERR 3phase A B C R S T not in right order Check the lines PN BUS FAUT Positive and negative of Bus fault Check the bus 22 6 2 Simple problem phenomena and solutions Abnormal Fault diagnosis Solutions phenomenon Alarming when connect Battery anode and cathode Checking and the battery connection in reverse reconnect Fans stop running Fans failed or board of fan damaged Contact with technician for repair UPS not start when turn on UPS Switch failed Check switch Power supply board failed Contact with technician for repair UPS no output when there is no mains Battery switch didn t turn on Check switch or failed Battery capacity is not Contact with enough to support power
6. exceeded the normal range the UPS operates in battery mode 13 men Fault gt Le BYPASS Funes E QU Input w OUTPUT Fig 3 1 The utility power mode 2 If output overloaded the warning LEDs will be turned on and alarm will keep twice every second You should get rid of some unnecessary loads one by one to decrease the loads connected to the UPS less than 90 of its nominal power capacity Note Please follow the following steps to connect the generator Activate the generator and wait until the operation is stable before supplying power of the generator to the UPS be sure that the UPS is in idle mode Then turn on the UPS according to the start up procedure After the UPS is turned on then the loads can be connected to the UPS one by one The power capacity of the AC generator should be at least twice of the UPS capacity 3 2 2 Battery mode The display panel in battery mode is shown in the following diagram Fig 3 2 The battery LED and the INV LED are turned on When the UPS is running in battery mode the buzzer beeps once every 4 seconds If the ESC and SCREEN button on the front panel are pressed same time for more than 1 second again the buzzer will stop beeping in silence mode If the Utility power is there but abnormal the LED of it will flashed 14 Y o ms WARNING TN m E BYPASS ue m eur INV OUTPUT Fig 3 2 Battery mode diagram 2 When th
7. packaging and check the package contents The shipping package contains AUPS e Auser manual e Acommunication cable 2 Inspect the appearance of the UPS to see if there is any damage during transportation Do not turn on the unit and notify the carrier and dealer immediately if there is any damage or lacking of some parts 2 2 Input and output power cords and protective earth ground installation 1 Notes for installation 1 The UPS must be installed in a location with good ventilation far away from water inflammable gas and corrosive agents 2 Ensure the air vents on the front and rear of the UPS are not blocked Allow at least 0 5m of space on each side 3 Condensation to water drops may occur if the UPS is unpacked in a very low temperature environment In this case it is necessary to wait until the UPS is fully dried inside out before proceeding installation and use Otherwise there are hazards of electric shock 2 3 Installation Installation and wiring must be performed in accordance with the local electric code and the following instructions by professional personnel For safety please cut off the mains power switch before installation The battery breaker also needs to be cut off if it is a long backup time model L model 1 Open the terminal block cover located on the rear panel of the UPS please refer to the appearance diagram For 6K L UPS it is recommended to select the UL1015 10AWG 6mm
8. technician for repair UPS can not get normal communication Communication software was set wrong or the communication cable is fault Reset or replace the cable UPS don t start up in mains and UPS works normally in battery Charging board has fault Checking if input fuse of charging board are failed Small charging current Long backup charging board are failed Checking if input fuse of charging board are failed Buzzer alarming for a long time FAULT light is bright Heat sink of inverter is over temperature Check if the heat dissipation is good or not UPS internal failed Contact with technic 23
9. will be turned on and then off one after another in ascending order then the INV LED will be turned off and Bypass LED will be turned on The UPS is working in Bypass mode 3 Upon completion of the above to turn it off output of electric current of the UPS is still present In order to cut off the output from the UPS simply cut off the utility 12 power supply and the UPS will perform self diagnosis finally not any display is shown on the display panel and no voltage output is available from the UPS output 3 1 4 Turn off the UPS with no utility power supplied in Battery mode 1 Press the ON OFF button continuously for more than 1 second to power off the UPS 2 When being powered off the UPS will perform self diagnosis the Load Battery level LEDs will be turned on and then off one after another in ascending order Finally not any display is shown on the display panel and no voltage is available from the UPS output Suggestions Please turn off the connected loads before turning on the UPS and turn on the loads one by one after the UPS is working in INV mode Turn off all of the connected loads before turning off the UPS 3 2 Operating mode 3 2 1 Utility power mode The display panel in utility power mode is shown in the following diagram The utility power LED and the INV LED are turned on If the battery LED is turned on and the utility power LED flashes it indicates the voltage or frequency of the utility power has
10. S FAIL for BYPASS m 6 SUMMARY ALARM gt 3 7o BATTERY LOW GND pa UPSON REMOTE SHUTDOWN 04 go LINE FAIL COMMON gt AS400 Interface 4 Battery Maintenance This series UPS only requires minimal maintenance The battery used for standard models are value regulated sealed lead acid maintenance free battery These models require minimal repairs The only requirement is to charge the UPS regularly in order to maximize the expected life of the battery When being connected to the utility power whether the UPS is turned on or not the UPS keeps charging the batteries and also offers the protective function of overcharging The UPS should be charged once every 4 to 6 months if it has not been used for a long time In the regions of hot climates the battery should be charged and discharged every 2 months The standard charging time should be at least 12 hours Under normal conditions the battery life lasts 3 to 5 years In case if the battery is found not in good condition earlier replacement should be made Battery replacement should be performed by qualified personnel Replace batteries with the same number and same type of batteries Do not replace the battery individually All the batteries should be replaced at the same time following the instructions of the battery supplier Normally the batteries should be charged and discharged once every 4 to 6 months Charging should begin afte
11. at the power supply connection is correct set the bypass breaker and the input breaker in the ON OFF position first At this time the fan rotates and the UPS supplies power to the load via the bypass The UPS operates in Bypass mode To power on the UPS by simply pressing the ON OFF button continuously for more than 1 second When being powered on the UPS will perform self diagnosis with the load battery level LEDs turned on and then off one after another in ascending order A few seconds later the INV LED is turned on the UPS is already running in Utility Power mode If the utility power is abnormal the UPS will operate in battery mode without output interruption of the UPS 3 1 2 Turn on the UPS with no utility power supplied in Battery mode 4 Press the ON OFF button continuously for more than 1 second to power on the UPS For long back up time model L model please make sure that the battery breaker is in ON OFF position During the course of starting up the UPS has the same action as if it is connected to utility power except that the utility power LED is not turned on and the battery LED is turned on instead 3 1 3 Turn off the UPS with utility power supplied in Line mode AC mode 1 Press the ON OFF button continuously for more than 1 second to turn off the inverter of the UPS immediately 2 When being powered off the UPS will perform self diagnosis the Load Battery level LEDs
12. e battery capacity decreases and the battery voltage descends to the alarm level the buzzer will beep once every second to remind the users of in sufficient battery capacity and the UPS is soon going to shut down automatically Then the load operations should be carried out promptly and the loads should be eliminated one by one 3 2 3 Bypass mode The display panel in bypass mode is shown in the following diagram Fig 3 3 The utility power LED and the bypass LED are lit The utility power LED flashes it shows that the voltage or frequency of the utility power has exceeded the normal range of the UPS 15 Y o oN FA WARNING FAULT we A ares et 5 eur E Fig 3 3 UPS bypass mode diagram 2 Other indications on the display panel are the same in utility mode 3 The UPS does not have the backup function when it is in bypass mode The power used by the load is supplied from the utility power via internal filter 3 2 4 Abnormality mode In case the fault LED is turned on when the UPS is in use it shows that the UPS is operating in abnormal mode Please refer to the troubleshooting in section 6 for detail 3 2 5 Backup time for the standard model The backup time of the long backup time model is dependent on the external battery pack capacity and the load level as well as other factors The backup time of standard model may vary from different models and load level Please refer to the following 16
13. k 6 The NST4100150 is a three phase input and single phase output long backup time model which is able to connect with the external battery bank Hereinafter called three phase 15KL 7 The NST4100200 is a three phase input and single phase output long backup time model which is able to connect with the external battery bank 1 2 Description of commonly used symbols The following symbols will be used in this manual and may appear during the course of your practical applications Therefore all users should be familiar with them and understand their meanings Appearance EPO Emergency Power Off USB m RS232 EPR 4 nteligent Slot Front Panel LH manual Bypass Breaker Bypass Breaker AC Breaker ua Front and BACK VIEW of 6K to 10k single phase BACK VIEW of three phase10 20KL three phase Front panel and back of 10 20kva 3 1phase 1 3 LCD display and function of buttons oN Oa fF ON 10 11 12 LCD display screen Display the working parameter and status of the UPS Main power input indicator green It will light when main power is normal Bypass input indicator green It will light when UPS is in bypass model Warning indicator red It will light when the
14. nt must be carried out by qualified personnel 20 6 Trouble shooting instructions 6 1 Warning code and Fault code Warning code Explanation Solutions NO WARNING UPS is working normally OVER LOAD Overload Reduce the load BAT OPEN Battery not connected Connect battery and turn on the battery switch OVER CHARGE Battery is overcharged BAT DISCONNECT Battery disconnected Switch on the battery to make back up avaiable INV OVER TEMP Inverter part temperature high Cool it down PFC OVER TEMP PFC part temperature high Cool it down BYP LINE LOSS Bypass not available LINE ORDER ERR The 3phase A B C R S T not in right order Check the phase order BYPASS OVERLOA D Bypass overloaded Reduce the not critical load Charger fail Charger is fault Check the charger Fault code Explanation Solutions NO FAULT UPS is working normally BUS SOFT TIMEOU T INVSOFT TIMEOU T BUS soft start time exceeded INVERTER soft exceeded start time Check PFC part Check the inverter part INV RELAY FAIL Inverter relay fault Check the relay INV SHORT INVERTER short circuit Check the inverter part INV VOLT LOW Inverter voltage low Check the inverter INV VOLT HIGH Inverter voltage high Check the inverter 21 INV OVER LOAD Inverter voltage overload Check the inverter BUS VOLT
15. r the UPS shuts down automaticallyand the standard charging time for standard UPS at least 12 hours 5 Notes for battery disposal and battery replacement 1 Before disposing of batteries remove conductive jewelry such as necklace wrist watches and rings 2 If it is necessary to replace any connection cables please purchase the original materials from the authorized distributors or service centers so as to avoid overheat or spark resulting in fire due to insufficient capacity 3 Do not dispose of batteries or battery packs in a fire they may explode 4 Do not open or mutilate batteries released electrolyte is highly poisonous and harmful to the skin and eyes 19 5 Do not short the positive and negative of the battery electrode otherwise it may result in electric shock or fire 6 Make sure that there is no voltage before touching the batteries The battery circuit is not isolated from the input potential circuit There may be hazardous voltage between the battery terminals and the ground 7 Even though the input breaker is disconnected the components inside the UPS are still connected with the batteries and there are potential hazardous voltages Therefore before any maintenance and repairs work is carried out switch off the breaker of the battery pack or disconnect the jumper wire of connecting between the batteries 8 Batteries contain hazardous voltage and current Battery maintenance such as the battery replaceme
16. system gives warning Error alarm indicator red It will light with alarm when UPS has fault Output indicator green It will light when the output is available Inverter output indicator green It will light when the Inverter is working Battery is working yellow It will light when battery supply power to UPS Screen To view and choose the functions or items ON OFF Press it longer than 1 second the UPS will start or turn off Enter This button is to confirm where the cursor points or the parameter setting Screen This button is to choose the next menu ESC This menu is to return to the previous menu 1 4 Product specification and performance o General specification Power rating Model Frequen Input Battery rie Voltage Current Voltage 6kVA 4 8kW NST3100060 50 60 176 276 Or 31A max 192 240VDC 80 150 VAC 6kKVA 4 8kW NST3100100 L 50 60 176 276 Or 31A max 192 240VDC 80 150 VAC 10kVA 8kW NST3100100 50 60 176 276 Or 50A max 192 240VDC 80 150 VAC 10kVA 8kW 1NST3100100 L 50 60 176 276 Or 50A max 192 240VDC 80 150 VAC 10kVA 8kW NST4100100 50 60 S0478 50A max 192 240VDC 260 VAC 10kVA 8kW NST4100100 L 50 60 904178 50A max 192 240VDC RAE 15kVA 12kW NST4100150 50 60 304 478 VAC 75A max 192 240VDC 20kVA 16kW NST4100200 50 60 304 478 VAC 100A max 192 240VDC Power rating Battery Outpu
17. t Unit Dimensions Wer eight Current Voltage Current WxLxH mm 6kVA 4 8kW 30A max 220VAC 27A 260 x582 x642 63 6kVA 4 8kW 30A max 220VAC 27A 260 x582 x642 27 10kVA 8kW 50A max 220VAC 45A 260 x582 x642 73 10kVA 8kW 50A max 220VAC 45A 260 x582 x642 29 10kVA 8kW 50A max 220VAC 45A 290 x 600 x 642 73 10kVA 8kW 50A max 220VAC 45A 290 x 600 x 642 29 15kVA 12kW 75A max 220VAC 68A 300 x 600 x 735 38 20kVA 16kW 100A max 220VAC 91A 300 x 600 x 735 38 o Electrical performance Input Model Voltage Frequency Power Factor Single phase Single phase 40Hz 70Hz gt 0 98 Full load 6K 10K Three phase Three phase 40Hz 70Hz gt 0 95 full load 10KL 15KL 20KL Output Voltage Power Frequency tolerance Distortion Overload capacity Current regulation factor crest ratio 11 0 8lag Synchronized 46 54Hz THD lt 3 105 1125 load 3 1 in Line mode AC mode transfers to bypass Full load mode after 605 125 maximum 10 1 of normal 150 load transfers frequency in Battery linear to bypass after 30s mode load o Operating environment Temperature Humidity Altitude Storage temperature 0 C 40 C 20 90 lt 1000m 15 C 40 C Note if the UPS is installed or used in a place where the altitude is above than 1000m the output power must be derated in use please refer to the following 2 Installation 2 1 Unpacking and inspection 1 Unpack the
18. ut the principle of same voltage same type should be strictly followed 2 The connector of the external battery cable is used to plug into the external battery socket of the UPS the other end of the external battery cable is made of three open wires with ring terminals to connect with the external battery pack s The procedure of installing battery bank should be complied with strictly Otherwise you may encounter the hazardous of electric shock A DC breaker must be connected between the battery pack and the UPS The capacity of breaker must be not less than the data specified in the general specification Set the battery pack breaker in OFF position and connect the16 20 pieces of batteries in series You must connect the external battery cable to the battery first if you connect the cable to the UPS first you may encounter the hazardous of electric shock To complete the connection by plugging the connector of the external battery cable into the external battery socket of the UPS Do not attempt to connect any loads to the UPS now You should connect the input power wire to the right position first And then set the breaker of the battery pack in the ON position After that set the bypass breaker in the ON position The UPS begins to charge the battery packs at the time 11 3 Operation and operating mode 3 1 Operation 3 1 1 Turn on the UPS with utility power supplied in Line mode AC mode 1 After you make sure th
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