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AEG IST7 User Manual

AEG IST7 User Manual

10 - 200 kva ups
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UPS IST7
10 - 200 kVA
User Manual

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  • Page 1 UPS IST7 10 - 200 kVA User Manual...
  • Page 3 Summaries Thank you for choosing the UPS product! This document gives a description of the IST7 series (10kVA-200kVA) UPS. Please save the manual after reading, in order to consult in the future. The figures in this manual are just for reference, for details please see the actual product.

  • Page 4: Table Of Contents

    IST Series UPS (10kVA-200kVA) Contents User Manual Contents 1 Safety Instructions ........................1 1.1 Safety Announcements ............................. 1 1.1.1 Safety Instructions ..........................1 1.1.2 Use Announcements for Battery ......................4 1.1.3 Anti-Static Protection ..........................4 1.1.4 Grounding Requirements ........................5 1.1.5 Safety Warning Label Setting .........................
  • Page 5 IST Series UPS (10kVA-200kVA) User Manual Contents 3.2.2 Installation Environment ........................24 3.2.3 Installation Space ..........................25 3.2.4 Selection for Input and Output Wires ....................26 3.2.5 Surge ProtectionDevice ......................... 29 3.2.6 Reverse Feedback Protection (Optional)....................29 3.3 Transportation and Unpacking ........................29 3.3.1 Transportation ............................
  • Page 6 IST Series UPS (10kVA-200kVA) Contents User Manual 4.6.1 System Management ..........................61 4.6.2 Battery Management ..........................64 4.6.3 Battery Test ............................67 4.6.4 Function Configuration ......................... 67 4.6.5 HMI Setting ............................68 4.6.6 Password Setting ........................... 69 4.7 Buzzer Control ............................... 70 4.8 ON/OFF .................................
  • Page 7 IST Series UPS (10kVA-200kVA) User Manual Contents 6.4 Troubleshooting .............................. 83 6.4.1 Common Abnormal Phenomena Diagnosis ..................83 6.4.2 Emergency Dispose for System Fault ....................85 7 Package, Transportation and Storage ..................87 7.1 Package ................................87 7.2 Transportation ..............................87 7.3 Storage ................................

  • Page 9: Safety Instructions

    IST Series UPS (10kVA-200kVA) User Manual 1 Safety Instructions 1 Safety Instructions 1.1 Safety Announcements This section introduces the safety announcements that must be complied with and pay special attention while installing, using, maintenance and other relative operations. Before operating, please read the announcements and operation instructions in this section carefully, which is to avoid accident.
  • Page 10 IST Series UPS (10kVA-200kVA) 1 Safety Instructions User Manual It is prohibited to touching any terminal or conductor that connected with grid circuit, or, it may cause deadly danger. The damaged device or device fault may cause electric shock or firing! ...
  • Page 11 IST Series UPS (10kVA-200kVA) User Manual 1 Safety Instructions Please do not put finger or tool into rotating fans to avoid endanger the human safety or damage the device. In case of fire, please use dry power fire extinguisher. If using liquid fire extinguisher, it may cause electric shock.

  • Page 12: Use Announcements For Battery

    IST Series UPS (10kVA-200kVA) 1 Safety Instructions User Manual 1.1.2 Use Announcements for Battery Please use specified battery. Non-specified battery will damage the UPS. The charging voltage of different brand and different model battery is different. Before using, ensure that the charging voltage of the UPS matches that of battery. If doubted, please consult the manufacturer for support.

  • Page 13: Grounding Requirements

    IST Series UPS (10kVA-200kVA) User Manual 1 Safety Instructions 1.1.4 Grounding Requirements High leakage risk! The device must be grounded before electrical connection. The grounding terminal must be connected to earth.  When installing, connect the grounding wire first; when dismantling, the grounding wire must be removed at last.

  • Page 14: Operation And Maintenance Requirements

    IST Series UPS (10kVA-200kVA) 1 Safety Instructions User Manual  Ensure that connection of the measure meter is proper and normative, which is to avoid the danger of electric arc, etc. 1.2 Operation and Maintenance Requirements There exists high temperature and high voltage inside the UPS. Please comply with the relevant safety regulations and operation procedures during installation, operation and maintenance to avoid human injury or device damage.

  • Page 15: Environment Requirements

    IST Series UPS (10kVA-200kVA) User Manual 1 Safety Instructions  Before maintenance, please disconnect the AC power and battery to isolate the power input. It is better to measure the input, output and battery terminal bars by a voltmeter to ensure the input power is disconnected and in a safe condition.

  • Page 16: Overview

    2 Overview 2.1 Product Introduction IST7 series product is the high-frequency online double-conversion UPS. It is the high performance sine-wave UPS that special designed for the network computer room, precision instrument, etc. of financial, communication, insurance, transportation, tax, army, security, energy, education, government, enterprise, etc.

  • Page 17: Work Principle

    IST Series UPS (10kVA-200kVA) User Manual 2 Overview power supply requirement, it will switch to inverter output, and this guarantee the reliability of power supply and also, save energy. Manual maintenance bypass design It designs manual maintenance bypass channel to ensure the UPS supply power for load while maintenance, which greatly improve the system operation reliability and maintainability.
  • Page 18 IST Series UPS (10kVA-200kVA) 2 Overview User Manual Normal mains mode When the mains normal, AC power is transformed to DC power by PFC, and supply power for inverter. While rectifying the AC power into DC power, the rectifier eliminates the abnormal noise wave, noise and unstable frequency, and make the inverter provide stable and clean power for load.

  • Page 19: Appearance And Structure

    IST Series UPS (10kVA-200kVA) User Manual 2 Overview inverter. If the short-circuit is serious, the UPS input breaker and bypass breaker may trip out. After suffering the short-circuit fault, UPS will try to restart. If the short-circuit is removed, the UPS will switch to inverter;...
  • Page 20 IST Series UPS (10kVA-200kVA) 2 Overview User Manual Figure2-3 Appearance of 50kVA, 80kVA, 100kVA, 140kVA, 140kVA Figure2-4 Appearance of 160kVA, 200kVA...
  • Page 21 IST Series UPS (10kVA-200kVA) User Manual 2 Overview Operation panel  IST7 series UPS (10kVA-140kVA) Figure2-5 Operation panel  IST7 series UPS (160kVA-200kVA) Figure2-6 Operation panel Table2-1 Illustration for the operation panel Name Illustration Shows the running parameters (such as voltage, ○...

  • Page 22: Structure Layout (Open Door)

    IST Series UPS (10kVA-200kVA) 2 Overview User Manual Name Illustration On (green): rectifier works normally. ○ AC/DC indicator On (red): rectifier abnormal. On (green): inverter works normally. ○ DC/AC indicator On (red): inverter abnormal. On (green): bypass output. ○ BYP. indicator On (red): bypass abnormal.
  • Page 23 IST Series UPS (10kVA-200kVA) User Manual 2 Overview The dots in above figure are the wiring bundling slots, which are used for fastening the communication wires. Figure2-8 Structure layout diagram of 50kVA, 80kVA, 100kVA, 140kVA, 140kVA Figure2-9 Structure layout diagram of 160kVA, 200kVA...
  • Page 24 2 Overview User Manual Control Unit The control unit of IST7 series UPS is as shown in Figure2-10, Figure2-11, Figure2-12. Figure2-10 Control unit of 10kVA, 20kVA, 30kVA, 40kVA, 50kVA, 60kVA Figure2-11 Control unit of 50kVA, 80kVA, 100kVA, 140kVA, 140kVA Figure2-12 Control unit of 160kVA, 200kVA...
  • Page 25 IST Series UPS (10kVA-200kVA) User Manual 2 Overview Expansion dry contact board (optional)  The expansion dry contact communication port includes 4 input dry contact communication signal and 3 output dry contact signal, detailed definition is as shown in Table2-2 and Table2- Table2-2 Output dry contact function illustration Silk- Signal...

  • Page 26: Alarm Function

    IST Series UPS (10kVA-200kVA) 2 Overview User Manual Monitor card includes two network ports: MODBUS port is used for the communication of MODBUS, RS485 port is used for the communication of RS485. The definition for MODBUS port is as follows: pin3 is A, pin6 is B. The definition for RS485 port is as follows: pin1 is A, pin8 is B.
  • Page 27 IST Series UPS (10kVA-200kVA) User Manual 2 Overview Table2-6 Abnormal status and alarm/ protection function Alarm action Protection action Fault name EPO enable Shut down all inverter output Bypass overload protection and bypass output. Bypass output under-voltage Inverter output overvoltage Buzzer long beeps, Inverter output under-voltage DC/AC...
  • Page 28 IST Series UPS (10kVA-200kVA) 2 Overview User Manual Alarm action Protection action Fault name slowly. Output current DC component is too large. System card without redundancy. Environment temperature is too high Generator fails to start. Generator fails to shut down. The communication with touch screen abnormal.
  • Page 29 IST Series UPS (10kVA-200kVA) User Manual 2 Overview Alarm action Protection action Fault name allowed. Mains over-voltage. Mains under-voltage. Mains voltage unbalance is too large. Mains over-frequency. Mains under-frequency. Mains phase sequence is wrong. Mains lack-phase. Mains over-current. Mains current DC component is too large.

  • Page 30: Installation

    IST Series UPS (10kVA-200kVA) 3 Installation User Manual 3 Installation The UPS should be installed by authorized person who is special trained and achieve the qualification of high-voltage and AC power. The UPS is just suitable for installing on the concrete or nonflammable surface. 3.1 Installation Procedure The installation procedure of the UPS is as shown in Figure3-1.

  • Page 31: Installation Preparation

    IST Series UPS (10kVA-200kVA) User Manual 3 Installation 3.2 Installation Preparation 3.2.1 Installation Tools Tools...

  • Page 32: Installation Environment

    IST Series UPS (10kVA-200kVA) 3 Installation User Manual The installation tools should be with isolated operation, which is to avoid electric shock. 3.2.2 Installation Environment  Do not install the UPS in the place where exceeds the provision of technology index (temperature: 0℃～40℃, relative humidity: 0％～95％).

  • Page 33: Installation Space

    UPS to ceiling, which is to ensure good ventilation, as shown in Figure3-2. Figure3-2 Installation space (unit: mm) The installation space requirement of IST7 series UPS is the same. In above figure, we take 80kVA UPS as an example to illustrate.

  • Page 34: Selection For Input And Output Wires

    IST Series UPS (10kVA-200kVA) 3 Installation User Manual  Avoid any object block the ventilation hole on the front panel and rear panel, which is to keep good ventilation for the UPS, or, it may rise the inner temperature, even influence the UPS service time.
  • Page 35 IST Series UPS (10kVA-200kVA) User Manual 3 Installation Model 10kVA 20kVA 30kVA 40kVA 50kVA 60kVA Item Wire terminal model DT2.5 DT10 DT16 DT16 DT25 Battery nominal discharge current (the current value of 384V voltage when standard equipped with 32 pieces 12V storage battery) (A) Battery max.
  • Page 36 IST Series UPS (10kVA-200kVA) 3 Installation User Manual Model 80kVA 100kVA 140kVA 160kVA 200kVA Item Recommend wire (4×95) U/V/W/N 4×50 4×70 4×95 4×120 sectional area ×2 Wire terminal model DT-50 DT-70 DT-95 DT-120 DT-95 Bypass input current (A) Recommended wire (4×70) sectional area...

  • Page 37: Surge Protectiondevice

    IST Series UPS (10kVA-200kVA) User Manual 3 Installation Model 80kVA 100kVA 140kVA 160kVA 200kVA Item Battery max. discharge current (the current value when standard equipped with pieces 12V storage battery stop discharge <each piece voltage is 10.5V>) (A) Recommended wire (3×95) (3×120) sectional...

  • Page 38: Unpacking

    When lifting, pay attention to the balance and stable of the UPS. During moving, keep the UPS vertical and do not put down or uplift suddenly. 3.3.2 Unpacking IST7 series UPS (10kVA-140kVA) Step 1 Check if the package appearance is in good condition and if there is any damage caused by transportation.
  • Page 39 IST Series UPS (10kVA-200kVA) User Manual 3 Installation Unpack the external package, remove the foam pad and plastic bag, and take out the Step 3 accessories. Step 4 Check the UPS.  Inspect the appearance of the UPS and check if there has any damage caused by transportation.
  • Page 40 IST Series UPS (10kVA-200kVA) 3 Installation User Manual Figure3-6 Adjust supporting feet Step 7 Put the tilting plate to the front of the UPS, and keep the higher end of the sliding plate close to the wooden bracket, and move the UPS to ground slowly, as shown in Figure3-7. Figure3-7 Place the sliding plate The operation for the sliding plate of the UPS are the same, In above figure, we take 80kVA as an example to illustrate.
  • Page 41 During moving, it needs to operate by two people (one at left side and one at right side) to avoid tilting or human injury. ----End IST7 series UPS (160kVA-200kVA) Step 1 Check if the package appearance is in good condition and if there is any damage caused by transportation.

  • Page 42: Mechanical Installation

    Figure3-9 Bolts position ----End 3.4 Mechanical Installation 3.4.1 UPS Installation IST7 series UPS (10kVA-140kVA) Step 1 Determine and plan the installation position according to the UPS size (as shown inFigure3- 11) and installation clearance requirement (see 3.2.3 Installation ). Figure3-10 Size of 10kVA, 20kVA, 30kVA, 40kVA...
  • Page 43 IST Series UPS (10kVA-200kVA) User Manual 3 Installation Figure3-11 Size of 50kVA, 80kVA, 100kVA, 140kVA, 140kVA Step 2 Push the UPS to the installation site. During moving the UPS to the ground, please move the device stably and avoid device tilting. Step 3 Lock the brake on all the wheels or adjust each supporting feet.
  • Page 44 For 80kVA, 100kVA, 140kVA, after adjusting the supporting feet, please check the installation and see if the UPS is horizontal, if not, please adjust it till horizontal. ----End IST7 series UPS (160kVA-200kVA) Step 1 Determine and plan the installation position according to the UPS size (as shown in Figure3-...
  • Page 45 IST Series UPS (10kVA-200kVA) User Manual 3 Installation Figure3-13 Size of 160kVA, 200kVA Step 2 Drill 4 holes ofΦ13 by hammer drill according to the installation size of pedestal (as shown in Figure3-14). Figure3-14 Bottom installation size (bottom view of pedestal) Step 3 Install 4 expansion bolts M12 into the installation holes.

  • Page 46: Wiring

    Reinstall the bottom cover plates. Step 5 ----End 3.4.2 Wiring IST7 series UPS (10kVA-140kVA) Step 1 Open the front door of the UPS, remove the bottom wiring cover plate, as shown in Figure3-...
  • Page 47 IST Series UPS (10kVA-200kVA) User Manual 3 Installation The battery +, - and neutral wire terminal of 10kVA, 20kVA, 30kVA, 40kVA, 50kVA, 60kVA are all at the back of the UPS, so, before wiring, it needs to dismantle the rear bottom wiring cover plate.
  • Page 48 IST Series UPS (10kVA-200kVA) 3 Installation User Manual Figure3-18 Bottom wiring holes diagram of 50kVA, 80kVA, 100kVA, 140kVA, 140kVA While wiring, ensure that the input and out wires are reliably connected with input and output terminal, and do not reverse connect or bad connect. Figure3-19 Wiring terminals diagram of 10kVA, 20kVA, 30kVA, 40kVA...
  • Page 49 IST Series UPS (10kVA-200kVA) User Manual 3 Installation Figure3-20 Wiring terminals diagram of 50kVA, 80kVA, 100kVA, 140kVA, 140kVA When wiring, ensure that the connection between input, output wire and input, out terminal is reliably, avoid bad connection or wrongly connection. It is suggested to select DC breaker for battery DC input, the detail wiring is as shown in Figure3-21.
  • Page 50 Step 5 Reinstall the bottom wire seal plate, the wiring is finished. ----End IST7 series UPS (160kVA-200kVA) Step 1 Remove the back top wiring cover plate, as shown in Figure3-22. Figure3-22 Remove the back top wiring cover plate Step 2 Lead the input cables, output cables and battery cables go through the top wiring hole, and connect the cables according to Figure3-23 respectively, then fasten the bolts.
  • Page 51 IST Series UPS (10kVA-200kVA) User Manual 3 Installation Figure3-23 Wiring terminals diagram of 160kVA, 200kVA (back view) When selecting down wiring, the corresponding wiring diagram is as shown in Figure3-24. Figure3-24 Down wiring diagram...
  • Page 52 IST Series UPS (10kVA-200kVA) 3 Installation User Manual While down wiring, the wires needs to go across the upper wire limit plate, and fasten them by the wire banding plates. When wiring, ensure that the connection between input, output wire and input, out terminal is reliably, avoid bad connection or wrongly connection.

  • Page 53: Install Battery Cabinet

    IST Series UPS (10kVA-200kVA) User Manual 3 Installation 3.4.3 Install Battery Cabinet Important safety rule Do not open or disassemble the battery, for the inner electrolyte is harmful for eyes. If contacting the electrolyte with careless, please wash the contact part with plenty water and go to hospital immediately.

  • Page 54: System Check And Test

    IST Series UPS (10kVA-200kVA) 3 Installation User Manual After disconnecting the battery breaker, connect the power wire of battery breaker to the Step 2 anode, cathode and neutral wire N of the UPS correspondingly. Ensure that the polarity and voltage meet the specification requirement, and then close the breaker between the UPS and batteries.

  • Page 55: Ups Test

    IST Series UPS (10kVA-200kVA) User Manual 3 Installation 3.5.2 UPS Test Turn off the mains input switch to simulate the situation of mains fault. When mains fault, the UPS turns to battery inverter, the touch screen will show the alarm and the buzzer will beep every 1s.

  • Page 56: Touch Screen Operation And Setting

    IST Series UPS (10kVA-200kVA) 4 Touch Screen User Manual 4 Touch Screen 4.1 Menu Hierarchy Figure4-1 Menu structure...

  • Page 57: Mainpage

    User Manual 4 Touch Screen IST7 series (10kVA-140kVA) UPS adopt 4.3 inch touch screen to display, IST7 series (160kVA-200kVA) UPS adopt 7 inch touch screen to display, the page structure is the same. In this chapter, we take the page of 4.3 inch touch screen as example to illustrate.

  • Page 58: System Work Status Display

    IST Series UPS (10kVA-200kVA) 4 Touch Screen User Manual : Warning. : ON/OFF. The work status and energy flow on main page shows the system running status and unit running condition directly. 4.3 System Work Status Display The system work status includes: initializing, shutdown, exit parallel system, maintenance bypass output, bypass output, battery inverter output, mains inverter output, grid-connected aging, ECO bypass output, frequency conversion INV.
  • Page 59 IST Series UPS (10kVA-200kVA) User Manual 4 Touch Screen Figure4-5 Exit parallel system Figure4-6 Maintain bypass output Figure4-7 Bypass output...
  • Page 60 IST Series UPS (10kVA-200kVA) 4 Touch Screen User Manual Figure4-8 Battery INV. output Figure4-9 Mains INV. output Figure4-10 Grid-connected aging...
  • Page 61 IST Series UPS (10kVA-200kVA) User Manual 4 Touch Screen Figure4-11 ECO bypass output Figure4-12 Frequency conversion INV. output Figure4-13 Aging bypass output...

  • Page 62: Monitor Function

    IST Series UPS (10kVA-200kVA) 4 Touch Screen User Manual Figure4-14 Fault protection, without output When unit or system abnormal, the left warning indicator light on. Click the warning indicator, it will show the current fault, as shown in Figure4-15. Figure4-15 Current fault window 4.4 Monitor Function 4.4.1 Bypas Input Information In main page, click...

  • Page 63: Mains Information

    IST Series UPS (10kVA-200kVA) User Manual 4 Touch Screen Figure4-16 Bypass information 4.4.2 Mains Information In main page, click icon, it will enter system mains information page, as shown in Figure4-17. In the page, it shows the current system mains three-phase voltage, current and frequency.
  • Page 64 IST Series UPS (10kVA-200kVA) 4 Touch Screen User Manual Figure4-18 Battery inversion status, battery discharge 1 When the battery type in battery management page is set to iron-lithium battery, the battery information also includes the content shown in Figure4-19. Figure4-19 Battery inversion status, battery discharge 2 Figure4-20 Mains inversion status, battery charge...

  • Page 65: System Output Information Page

    IST Series UPS (10kVA-200kVA) User Manual 4 Touch Screen 4.4.4 System Output Information Page In main page, click icon, it will enter system output information page, as shown in Figure4-21. In the page, it shows the current three-phase output voltage, current, active power, apparent power, load percentage and frequency.

  • Page 66: Event Log

    IST Series UPS (10kVA-200kVA) 4 Touch Screen User Manual 4.5.1 Event Log In information query page, click event log icon , it will enter event log page, as shown in Figure4-23. This page records the history fault and alarm information of system and unit. Figure4-23 History fault 4.5.2 User Log In information query page, click user log icon...
  • Page 67 IST Series UPS (10kVA-200kVA) User Manual 4 Touch Screen Figure4-25 Product information 1 Figure4-26 Product information 2 Figure4-27 Product information 3...

  • Page 68: Setting Management

    IST Series UPS (10kVA-200kVA) 4 Touch Screen User Manual Figure4-28 Product information 4 4.6 Setting Management Click the icon in main page and enter right password (as shown in Figure4-29), it will enter the main page, as shown in Figure4-30. After login, click icon, it will enter system setting management page, as shown in Figure4-31.

  • Page 69: System Management

    IST Series UPS (10kVA-200kVA) User Manual 4 Touch Screen Figure4-30 Main page after login Figure4-31 Setting management page 4.6.1 System Management In setting management page, click system management icon , it will enter system management page. The page includes system setting, bypass setting, ECO setting.
  • Page 70 IST Series UPS (10kVA-200kVA) 4 Touch Screen User Manual System setting Figure4-32 System setting page 1 Figure4-33 System setting page 2 If setting successfully, at the right of the parameter will show mark, as shown in Figure4- 34. If setting failure, it will show mark, as shown in Figure4-35.
  • Page 71 IST Series UPS (10kVA-200kVA) User Manual 4 Touch Screen Figure4-35 Setting failure Bypass setting Click Bypass Setting, it will turn to bypass setting page, as shown in Figure4-36. Click enter box to change the parameter. Click Save button to save the setting. The marks of setting success and setting failure is the same as that of system setting.

  • Page 72: Battery Management

    IST Series UPS (10kVA-200kVA) 4 Touch Screen User Manual At the top of the enter box, it shows the max. and min. setting value of the setting item, and once the setting value exceeds the range, the setting will be invalid. ECO setting Click ECO Setting, it will turn to ECO setting page, as shown in Figure4-38.
  • Page 73 IST Series UPS (10kVA-200kVA) User Manual 4 Touch Screen Battery setting Figure4-39 Battery setting page 1 Figure4-40 Battery setting page 2 Figure4-41 Battery setting page 3...
  • Page 74 IST Series UPS (10kVA-200kVA) 4 Touch Screen User Manual Figure4-42 Battery setting page 4 Charging setting Figure4-43 Charge setting 1 Figure4-44 Charge setting 2...

  • Page 75: Battery Test

    IST Series UPS (10kVA-200kVA) User Manual 4 Touch Screen Figure4-45 Charge setting 3 4.6.3 Battery Test In setting management page, click battery test icon , it will enter battery test page, as shown in Figure4-46. Figure4-46 Battery test 4.6.4 Function Configuration In setting management page, click function configuration icon , it will enter function configuration page.

  • Page 76: Hmi Setting

    IST Series UPS (10kVA-200kVA) 4 Touch Screen User Manual Generator setting Figure4-47 Function configuration page Dedusting setting When the module works too long and the inner temperature rise is too large, you can perform the force dedusting operation. Click dedusting setting, enable the regular self-dedusting setting to start force dedusting.

  • Page 77: Password Setting

    IST Series UPS (10kVA-200kVA) User Manual 4 Touch Screen Figure4-49 HMI setting When setting system time, ensure that the setting value is the same as the real time, which is to keep the veracity of system event log and master the system status of some time and maintain conveniently.

  • Page 78: Buzzer Control

    IST Series UPS (10kVA-200kVA) 4 Touch Screen User Manual 4.7 Buzzer Control When unit or system abnormal, the system will send sound alarm. User can click the left buzzer indicator icon to closed/open the buzzer. After closed, if a new fault happens, the buzzer will be opened automatically.

  • Page 79: Use And Operation

    IST Series UPS (10kVA-200kVA) User Manual 5 Use and Operation 5 Use and Operation This chapter mainly introduces the operation procedure and method, including using announcements, operation procedure, UPS start and parallel system start, etc. 5.1 Use Announcements  Before starting the UPS, check whether the load is proper. The load must not exceed the rated output power of the UPS, which is to avoid overload protection.

  • Page 80: Ups Start And Shutdown

    IST Series UPS (10kVA-200kVA) 5 Use and Operation User Manual 5.3 UPS Start and Shutdown 5.3.1 Check before Startup Before startup, check according to following steps. Only when the check is OK, then the UPS can be started. Ensure that the mains input breaker (POWER), bypass breaker (BYPASS), output breaker Step 1 (OUTPUT), maintenance bypass breaker (MAINTENANCE) are all OFF.
  • Page 81 IST Series UPS (10kVA-200kVA) User Manual 5 Use and Operation Step 3 Start the inverter.  Start the UPS by panel combination button. 1. Close the mains breaker (POWER). 2. 30s later, long press the panel ON combination button for 3s, the system inverters to output.

  • Page 82: Ups Shutdown

    IST Series UPS (10kVA-200kVA) 5 Use and Operation User Manual 5.3.3 UPS Shutdown When the system bypass is normal, after the UPS shutdown, system will turn to bypass power supply mode; when system bypass is abnormal, after the UPS shutdown, system will be with no output.

  • Page 83: Switch To Maintenance Bypass Mode From Inverter Output

    IST Series UPS (10kVA-200kVA) User Manual 5 Use and Operation When the bypass input voltage or frequency exceeds the setting value, shutting down the inverter will cause system without output, and the power supply for load will be interrupted. 5.3.5 Switch to Maintenance Bypass Mode From Inverter Output Unless professional person, no one can perform the following operation.

  • Page 84: Switch To Inverter Output From Maintenance Bypass

    IST Series UPS (10kVA-200kVA) 5 Use and Operation User Manual 5.3.6 Switch to Inverter Output from Maintenance Bypass Before perform the operation of switching to inverter power supply from maintenance bypass, please ensure that the system bypass input is normal. Step 1 Close the mains input breaker (POWER), bypass breaker (BYPASS), battery breaker of battery cabinet, output breaker (OUTPUT) successively.

  • Page 85: Emergency Power Off Recovery

    IST Series UPS (10kVA-200kVA) User Manual 5 Use and Operation 1. After pressing the EPO button, the UPS is with no output, the power supply for load is interrupted. 2. When the system stay in maintenance bypass status, after pressing EPO button, the UPS still has output.
  • Page 86 IST Series UPS (10kVA-200kVA) 5 Use and Operation User Manual Connect the parallel wires, close the mains breaker and bypass breaker (keep all UPS Step 2 breakers are off) of all UPS. If input power normal, rectifier will start automatically, the touch screen starts.Connect battery to parallel system.

  • Page 87: Shutdown Parallel System

    IST Series UPS (10kVA-200kVA) User Manual 5 Use and Operation back-end of UPS2 output breaker. Measure the voltage difference of phase-B and phase-Cas the same way. If the phase sequence is right, the voltage different of each should less than 5V;...

  • Page 88: Emergency Power Off (Epo)

    IST Series UPS (10kVA-200kVA) 5 Use and Operation User Manual Before shutting down, please ensure that load is closed and can endure the status of power outage at any time. Close the load of parallel system, keep the UPS run without load for 5min to eliminate inner Step 1 heat.

  • Page 89: Maintenance And Troubleshooting

    IST Series UPS (10kVA-200kVA) User Manual 6 Maintenance and Troubleshooting 6 Maintenance and Troubleshooting 6.1 Maintenance Guide Proper maintenance is the key to make the device operate in the best status and with a longer service life. 6.1.1 Safety Precautions To ensure human safety and equipment security, observe the following precautions.

  • Page 90: Announcementsfor Battery Replacement

    IST Series UPS (10kVA-200kVA) 6 Maintenance and Troubleshooting User Manual When first use the battery, please start the UPS and charge the battery for 24h. during − charging, the UPS still can be used, but if power outage occurs at the same time, the battery discharge time may less than the standard vale this time.

  • Page 91: Troubleshooting

    IST Series UPS (10kVA-200kVA) User Manual 6 Maintenance and Troubleshooting  Do not open or disassemble the battery, for the inner electrolyte is harmful for skin and eyes. 6.4 Troubleshooting 6.4.1 Common Abnormal Phenomena Diagnosis If the UPS works abnormally after start, please refer to Table6-1 to find possible reason. Meanwhile, check whether the fault is caused by external environment, such as temperature, humidity is not accordance with the requirement or overload.
  • Page 92 IST Series UPS (10kVA-200kVA) 6 Maintenance and Troubleshooting User Manual Abnormal phenomena Possible reason output 1. The UPS is serious overload or the output circuit is short- normally after startup, circuit. It is necessary to reduce load to proper capacity but once turn on load, or find the reason of short-circuit.

  • Page 93: Emergency Dispose For System Fault

    IST Series UPS (10kVA-200kVA) User Manual 6 Maintenance and Troubleshooting Abnormal phenomena Possible reason When there is mains, 1. Battery fault or the battery group is serious damaged. output 2. Charger fault. The battery cannot be charged and normally, when there is causes battery energy insufficient.
  • Page 94 IST Series UPS (10kVA-200kVA) 6 Maintenance and Troubleshooting User Manual the unit. At this time, please shut down the fault unit and pull it out of the cabinet, and then inform the engineering technicist to maintain. After pulling out the unit, there still has high voltage inside the unit and on the rear connector pin.

  • Page 95: Package, Transportation And Storage

    IST Series UPS (10kVA-200kVA) User Manual 7 Package, Transportation and Storage 7 Package, Transportation and Storage 7.1 Package During packing, please pay attention to the place direction requirements. At the side of the package, there is afraid of wet, handle with care, upward, stack layer limit, etc. alarm marks. And also, the device model is pasted on the package.

  • Page 96: A Technical Specifications

    IST Series UPS (10kVA-200kVA) A Technical Specifications User Manual Technical Specifications 10kVA Model 20kVA 50kVA 100kVA 80kVA 160kVA 200kVA Index 30kVA 60kVA 140kVA 40kVA Input mode 3φ4W+PE Rated input voltage 220/230/240 (phase voltage) (VAC) Vin=176Vac~280Vac, Do not decrease rated power to use. Input voltage range Vin=80Vac~175Vac, Linear decrease rated power to use.
  • Page 97 IST Series UPS (10kVA-200kVA) User Manual A Technical Specifications 10kVA Model 20kVA 50kVA 100kVA 80kVA 160kVA 200kVA Index 30kVA 60kVA 140kVA 40kVA L－N: 220/230/240 Voltage (Vac) L—L: 380/400/415 When mains normal, it tracks the bypass input; Frequency (Hz) When mains abnormal, it tracks the frequency of the UPS in the range of 50±0.1 or 60±0.1.
  • Page 98 IST Series UPS (10kVA-200kVA) A Technical Specifications User Manual 10kVA Model 20kVA 50kVA 100kVA 80kVA 160kVA 200kVA Index 30kVA 60kVA 140kVA 40kVA Inverter overload capacity: When the load less than 105％ rated load, it runs normally. When the load in the range of 105%~115％ rated load, it will turns to bypass 60min later.
  • Page 99 IST Series UPS (10kVA-200kVA) User Manual A Technical Specifications 10kVA Model 20kVA 50kVA 100kVA 80kVA 160kVA 200kVA Index 30kVA 60kVA 140kVA 40kVA Three-phase input voltage, input frequency, three-phase output voltage, load, battery voltage, battery charge & discharge current, Touch screen display each unit output current and inner temperature, parameter setting, hIST7ory record, etc.

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