Gtec NOVA 10kVA User Manual
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Gtec NOVA 10kVA User Manual

Online double conversion ups
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USER MANUAL | EN
NOVA
Online Double Conversion UPS
3:3
10 – 40 kVA
Threephase / Threephase
www.gtec-power.de

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Summary of Contents for Gtec NOVA 10kVA

  • Page 1 USER MANUAL | EN NOVA Online Double Conversion UPS 10 – 40 kVA Threephase / Threephase www.gtec-power.de...

  • Page 3: Table Of Contents

    Index Preface ............................6 Usage ............................6 Users............................6 Note............................6 Safety Precautions ........................7 Safety Message Definition ......................7 Warning Label ........................... 7 Safety Instruction ........................7 Debug & Operate ........................8 Maintenance & Replacement....................8 Battery Safety ..........................9 Disposal ...........................
  • Page 4 3. Control and LCD display Panel ..................37 3.1 Introduction ........................37 3.2 LCD Screen ........................37 3.3 Main menu........................38 4. Operations ......................... 45 4.1 UPS start-up ........................45 4.1.1 Startup in normal mode ..................45 4.1.2 Start from Battery ....................47 4.2 Procedure for Switching between Operation Modes ............

  • Page 6: Preface

    The manual will update irregularly, due to the product upgrading or other reasons. Unless otherwise agreed, the manual is only used as guide for users and any statements or information contained in this manual make no warranty expressed or implied. www.gtec-power.de...

  • Page 7: Safety Precautions

    Read all the warning labels carefully before operation, and follow the instructions. • When the system is running , do not touch the surface with this label, to avoid any hurt of scald. • ESD sensitive components inside the UPS, anti-ESD measure should be taken before handling. www.gtec-power.de...

  • Page 8: Debug & Operate

    No risk exists to any personnel when operating the equipment in the normal manner, following the recommended operating procedures in this manual. www.gtec-power.de...

  • Page 9: Battery Safety

    Therefore, be sure to wear a pair of protective glasses, rubber gloves and skirt when operating the battery. Otherwise, you may become blind if acid enters your eyes and your skin may be damaged by the acid. www.gtec-power.de...

  • Page 10: Disposal

    • If electrolyte comes into contact with the skin, the affected area should be washed immediately with water. Disposal • Dispose of used battery according to the local instructions. www.gtec-power.de...

  • Page 11: Ups Structure And Introduction

    Table 1-1 UPS Configuration Item Components Quantity Remark Circuit Breakers Standard Dual Input Standard Parallel Card, Optional 10-40kVA Dry Contact Card Standard Cold start Optional Dust filter Optional SNMP Optional 1.1.2 UPS Outlook The UPS outlooks are shown as figure 1-1. www.gtec-power.de...
  • Page 12 (a) The outlook of 10kVA/15kVA (unit: mm) www.gtec-power.de...
  • Page 13 (b) The outlook of 20kVA (unit: mm) www.gtec-power.de...

  • Page 14: Details Of Ups Front And Rear Views

    (c) The outlook of 30kVA/40kVA (unit: mm) Figure 1-1 UPS Outlook 1.1.3 Details of UPS front and rear views The UPS front and rear views are shown as Figure 1-2. (a) The details of front view for 10-40kVA www.gtec-power.de...
  • Page 15 (b) The details of rear view for 10kVA and 15kVA (c) The details of rear view for 20kVA Note: USB port is available in the parallel card www.gtec-power.de...

  • Page 16: Product Introduction

    Maintenance bypass breaker. One or several battery strings should be installed inside, to provide backup energy once the utility fails. The UPS structures are shown in Figure 1-3. Internal battery breaker INTERNAL BATTERY EXTERNAL Figure 1-3 UPS Block Diagram www.gtec-power.de...

  • Page 17: Operation Mode

    AC power to the critical AC load. There is no interruption to the critical load. After restoration of the AC mains input power, UPS will transfer automatically to normal mode without users’ intervention. Figure 1-5 Battery Mode operation diagram Note: With the function of “Battery Cold Start”, the UPS could start without utility. www.gtec-power.de...
  • Page 18 UPS becomes unavailable e.g. during a maintenance procedure. Figure 1-7 Maintenance mode operation diagram Danger During Maintenance mode, dangerous voltages are present on the terminal of input, output, neutral, battery and in breakers terminals, even with all switch and the LCD turned off. www.gtec-power.de...
  • Page 19 By setting the UPS to “Frequency Converter Mode”, the UPS present a stable output of fixed frequency (50 or 60Hz), and the bypass static switch is not available. Attention: UPS Maximum Load in converter mode is 50% of nominal power. www.gtec-power.de...

  • Page 20: Installation

    Attention Ensure there is at least 0,8m on front of the cabinet so as to easily maintain the power part and at least 0,5m behind for ventilation and cooling. The room reserved for the cabinet is shown in Figure2-1. www.gtec-power.de...

  • Page 21: Unloading And Unpacking

    2.2.1 Moving and Unpacking of the Cabinet The steps to move and unpack the cabinet are as follows： Check if any damages to the packing. (If any, contact to the carrier) Transport the equipment to the designated site by forklift, as shown in Figure2-2. www.gtec-power.de...
  • Page 22 Figure 2-2 Transport to the designated site Unpack the package as shown in Figure 2-3. Figure 2-3 Disassemble the case Remove the protective foam around the cabinet as shown in Figure 2-4. Figure 2-4 remove the protective foam www.gtec-power.de...

  • Page 23: Positioning

    The other is by anchor bolts to support the cabinet permanently after adjusting the position of the cabinet. The supporting structure is shown in Figure 2-5. (a) 10-20kVA (Bottom, unit: mm) www.gtec-power.de...

  • Page 24: Battery

    The UPS can contain internal batteries, but it also have the external battery connection terminals for more choice. Three terminals (positive, neutral, negative) are drawn from the battery group and connected to UPS system. The neutral line is draw from the middle of the batteries in series (See Figure 2-5) www.gtec-power.de...

  • Page 25: Cable Entry

    Ensure the positive, negative, neutral electrode is correctly connected from the battery unit terminals to the breaker and from the breaker to the UPS system. 2.5 Cable Entry Cables entry is on the bottom of the rear. Cable entry is shown in Figure 2-6. Figure 2-6 Cables entry www.gtec-power.de...

  • Page 26: Power Cables

    Currents listed in the table are based on the 380V system (line to line voltage). For 400V system, the current is 0,95 times and for the 415V system the current is 0,92 times. • The size of neutral lines should be 1,5-1,7 times the value listed above when the predominant load is non-linear. www.gtec-power.de...

  • Page 27: Specifications For Power Cables Terminal

    Input CB 80A/3P Bypass CB 32A/3P 40A/3P 63A/3P 100A/3P 63A/3P Output CB Maintenance CB Battery CB 32A/3P 40A, 250Vdc 63A, 250Vdc 100A, 250Vdc 125A, 250Vdc Attention The CB with RCD (Residual Current Device) is not suggested for the system. www.gtec-power.de...

  • Page 28: Connecting Power Cables

    6. Check to ensure there is no mistake and re-install all the protective covers. Attention The operations described in this section must be performed by authorized electricians or qualified technical personnel. If you have any difficulties, contact the manufacturer or agency. www.gtec-power.de...

  • Page 29: Control And Communication Cables

    The ports J6-1, J8, J9, and J10 are output port and can be programmable, the UPS can send out the dry contact signal to external devices for indicating the status of the UPS or acting. The default definitions of these ports are shown in Table 2-5. www.gtec-power.de...
  • Page 30 Common terminal for J9-1 and J9-2 Output dry contact, (Normally closed) the function is J10-1 UTILITY_FAIL_NC settable. Default: Utility abnormal alarm Output dry contact, (Normally open) the function is settable. J10-2 UTILITY_FAIL_NO Default: Utility abnormal alarm J10-3 UTILITY_FAIL_GND Common terminal for J10-1 and J10-2 www.gtec-power.de...
  • Page 31 On Bypass UPS works in bypass mode Batt Discharge Batteries are discharging Rectifier Ready The rectifier is starting Battery Boost Charge Batteries are boosting charged Note: There below take the default definitions for example to introduce the methods of application. www.gtec-power.de...
  • Page 32 Open (J4-4) and +24V (J4-3) during normal operations, EPO is triggered when disconnecting NC (J4-1) from +24V (J4-2), or connecting NO (J4-4) to +24V (J4-3). The port diagram is shown in Figure 2-23, and the port description is shown in Table 2-9. Figure 2-23 Diagram of input port for remote EPO www.gtec-power.de...
  • Page 33 NO, connect J7-1 and J7-2 to BCB auxiliary contact trip NO, the UPS would detect the BCB status, when BCB is closed, it indicates batteries are connected, when open, it alarms batteries not connected. The port diagram is shown in Figure 2-25, and the description is shown in Table 2-11. www.gtec-power.de...
  • Page 34 The port diagram is shown in Figure 2-26, and the description is shown in Table 2-12. Figure 2-26 Battery warning output dry contact interface diagram www.gtec-power.de...
  • Page 35 Figure 2-27 General alarm dry contact interface diagram Table 2-13 Port Name Function Integrated warning relay NC (normally closed) will be J9-1 GENERAL_ALARM_NC open during warning Integrated warning relay NO (normally open) will be J9-2 GENERAL_ALARM_NO closed during warning J9-3 GENERAL_ALARM_GND Common terminal www.gtec-power.de...

  • Page 36: Communication Interface

    RS232, RS485 and USB ports can provide serial data which can be used for commissioning and maintenance by authorized engineers or can be used for networking or integrated monitoring system in the service room. SNMP is used on site for communication (Optional). www.gtec-power.de...
  • Page 37 • Warning Information Display the warning information of the cabinet. • Main Menu Main menu includes Cabinet, Data, Setting, Log, Operate and System. Users can operate and control the UPS, and browse all measured parameters through main menu. www.gtec-power.de...
  • Page 38 3-3. The log is listed in reverse chronological order (i.e. the first on the screen with #1 is the most recent), which displays the events, warnings and faults information and the data and time they occur and disappear. Figure 3-3 Log Page www.gtec-power.de...
  • Page 39 Battery EOD-Set Battery End Of Discharge Battery EOD-Clear Alarm disappears Battery Test Starts Battery Test-Set Battery Test OK Battery Test OK-Set Battery Test fails Battery Test Fail-Set Battery Maintenance test starts Battery Maintenance-Set Battery maintenance test OK Batt Maintenance OK-Set www.gtec-power.de...
  • Page 40 Lost N+X Redundant Lost N+X Redundant N+X Redundant Lost-Clear Alarm disappears System is inhibited to supply after the battery is EOD EOD Sys Inhibited (end of discharging) Power Share Fail-Set Power share is not in balance Power Share Fail-Clear Alarm disappears www.gtec-power.de...
  • Page 41 No Outlet Temp. Sensor-Set abnormal No Outlet Temp Sensor-Clear Alarm disappears Inlet Over Temp.-Set Inlet over temperature Inlet Over Temp.-Clear Alarm disappears 3.3.3 Setting Touch the “Setting” icon, the system enters the page of Setting, as it is shown in Figure 3-4. www.gtec-power.de...
  • Page 42 Device Address Setting the communication address RS232 Protocol SNT Protocol, Modbus Protocol, YD/T Protocol and Selection Dwin（For factory use only） COMM. Baud rate Setting the baud rate Modbus Mode Modbus setting mode: ASCII or RTU www.gtec-power.de...
  • Page 43 3.3.4 System System Information Window displays software version, Bus voltage, charger voltage, and so on, these menus “Status & Alarm”, “REC Code”, and “INV Code” are helpful to maintain the UPS, as is shown in the following Figure 3-5. www.gtec-power.de...
  • Page 44 25%. • Battery Boost The system starts boost charging. • Battery Float The system starts float charging. • Stop Test The system stops battery test or battery maintenance. www.gtec-power.de...
  • Page 45 Figure 4.1. Fig.4-1 LCD of rectifier starting 5. After about 30S, the rectifier start is completed, the bypass static switch is on, and the bypass indicator flashes, as shown in Figure 4-2 Fig.4-2 LCD of bypass starting www.gtec-power.de...
  • Page 46 8. Close the external battery switch, the battery indicator flashes, and then the UPS charges the battery. The UPS works in normal mode, as shown in Figure 4-5 Fig.4-5 LCD of normal mode Note Users can browse alarms during the process of the starting up by checking the menu Log. www.gtec-power.de...
  • Page 47 Follow the path by selecting the icon of “Operate” and then select “Transfer to bypass” to transfer the system to Bypass Mode. Warning Ensure the bypass is normal before transferring to bypass mode. Or there is risk to loose/stop the load. www.gtec-power.de...
  • Page 48 Warning Before making this operation, confirm the messages on LCD display to be sure that bypass supply is regular and the inverter is synchronous with it, so as not to risk a short interruption in powering the load. www.gtec-power.de...
  • Page 49 “Battery low voltage” is given Users can stop the discharging by the “Stop Test” icon. With the icon of “Battery test”, batteries will be discharged for about 30 seconds, and then re- transfer to normal mode. Fig.4-8 Battery maintenance www.gtec-power.de...
  • Page 50 To completely isolate the UPS, users need to open the external mains input supply to the UPS Warning When the EPO is triggered, the load is not powered by the UPS. Be careful to use the EPO function. Fig .4-9 EPO Button www.gtec-power.de...
  • Page 51 When the UPS runs in battery mode with light load or no load for a long time, it will cause the battery to deep discharge. 6) Check periodically. Observe if is present any abnormality of the battery, measure if the voltage of each battery is in balance with others. Discharge the battery periodically. www.gtec-power.de...
  • Page 52 Throwing away the waste lead-acid batteries at will or other improper disposal methods will cause severe environment pollution, and the person who does this will bear the corresponding legal responsibilities. www.gtec-power.de...
  • Page 53 20-30-40 KVA at PF=0,9: 0-40°C Operating Temperature ℃ warning for battery is recommended 15-25°C, due battery life is halved for every 10°C increase above 20°C -40 ~ +70, warning battery life is halved for every 10°C UPS Storage ℃ increase above 20°C Temperature www.gtec-power.de...
  • Page 54 Input Voltage Range 228V~304Vac (Line-Line), load decreases linearly from 100% to 60% according to the input voltage Rated Frequency 50/60 Input Frequency range 40~70 Input Power factor >0,99 <4% (full Linear Load) 10-15kVA Input Current THDi <3% (full Linear Load) 20-40kVA www.gtec-power.de...
  • Page 55 10-40kVA <1% (linear load) ％ Output Voltage THDv 10-15K <5,5% (non-linear load), 20+30+40kVA <6% (non-linear load) according t IEC/EN62040-3 <110% 60min; 110%~125%,10min; ％ Overload 125%~150%,1min (note 1) 20-30-40KVA model has Dynamic PF, it is PF=1 up to 30°C, over 30°C is 0,9 www.gtec-power.de...
  • Page 56 Rated power(kVA) Unit 40kVA ％ Normal mode (dual conversion) Battery mode (battery at nominal voltage 480Vdc and full-rated linear load) Battery mode ％ 94,5 6.6 Display and Interface Table 6-9 Display Touch screen Standard: RS232, RS485 Interface Option: SNMP www.gtec-power.de...
  • Page 57 The interconnection among groups is via cable with Anderson connector, refer to the below diagrams. The batteries are installed in trays, each tray has 10 batteries 7Ah or 9Ah, see drawing www.gtec-power.de...
  • Page 58 For UPS 10kVA & 20kVA it is possible to install up to 3 strings of 40pcs 7 or 9Ah batteries. For UPS 10kVA & 20kVA the minimum is one (1) strings www.gtec-power.de...
  • Page 59 Attention: If it is present one string only installs it in position 2 The interconnections are made with electrical cables and Anderson type connectors. Use only original battery Kit Measure and confirm correct battery voltage before connecting to UPS www.gtec-power.de...
  • Page 60 For UPS 30kVA & 40kVA it is possible to install up to 4 strings of 40pcs 7 or 9Ah batteries in series. For UPS 30kVA & 40kVA the minimum is two (2) strings www.gtec-power.de...
  • Page 61 String Nr.1 with 40 batteries 7/9Ah Attention: installs the first battery string in position 1, and so on The interconnections are made with electrical cables and Anderson type connectors. Use only original battery Kit. Measure and confirm correct battery voltage before connecting to UPS www.gtec-power.de...
  • Page 62 Note: MS1, MS2 and MS3 are the main input switches for each UPS, BS1, BS2 and BS3 are the bypass input switches, OS1, OS2 and OS3 are the output switches, OS is the output main switch of the power system, MBS is the maintenance bypass switch. www.gtec-power.de...
  • Page 63 Connect J5 on the parallel board to J5 on the control board with the cable W402; • Connect J8 on the parallel board to J7 on the pin board with the cable W403. • Reinstall the cover panel of UPS. Note: Please refer to the below pictures. www.gtec-power.de...
  • Page 64 The parallel board installation (the pictures are only for reference) www.gtec-power.de...
  • Page 65 When 2 pieces of UPS in parallel, please remove the jumpers on the pin J41, J33, J35, J37 and J39, and keep J42, J34, J36, J38 and J40 shorted with jumpers. • When 3 pieces of UPS in parallel, please remove all the jumpers above. www.gtec-power.de...
  • Page 66 The second UPS should be set as below. System Mode: Parallel United Number: 3 System ID: 1 The third UPS should be set as below. System Mode: Parallel United Number: 3 System ID: 2 Note: Keep the other parameters same for UPS in the parallel system. www.gtec-power.de...
  • Page 67 4) Connect the parallel signal cables The parallel signal cable The signal cable connection for 2 UPSs in parallel The signal cable connection for 3 UPSs in parallel www.gtec-power.de...
  • Page 68 “Esc Bypass”, the 3 UPSs should retransfer to inverter mode. If there is no problem 6) Close the main output switch OS, the start is completed, users can start their equipments, one by one. www.gtec-power.de...
  • Page 69 Turn off all the battery switches one by one. e) Turn off MS1, MS2 and MS3. f) Turn off BS1, BS2 and BS3. g) Turn off OS1, OS2, OS3 and OS. All UPSs will be off; the load is powered by the maintenance bypass. www.gtec-power.de...
  • Page 70 The main parts of the drive can be recycled to preserve natural resources and energy. Product parts and materials should be dismantled and separated. Contact your local distributor for further information on environmental aspects. End of life treatment must follow international and national regulations. www.gtec-power.de...

This manual is also suitable for:

Nova 15kvaNova 20kvaNova 30kvaNova 40kva

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