AEC IST710kVA User Manual
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AEC IST710kVA User Manual

The new high-frequency three-phase
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AEC UPS IST7, The NEW high-frequency Three-Phase
(10kVA-30kVA)

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  • Page 1 User Manual AEC UPS IST7, The NEW high-frequency Three-Phase (10kVA-30kVA)
  • Page 3 Foreword Foreword Summaries Thank you for choosing our AEC UPS ! This document gives a description of the 10kVA-30kVA UPS, including the features, performance, appearance, structure, working principles, installation, operation and maintenance. etc. Please save the manual after reading, in order to consult in the future.

  • Page 4: Table Of Contents

    AEC UPS IST7 10-30 KVA Foreword 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 AEC UPS IST7 10-30 kVA User Manual Foreword 3.2.5 Surge ProtectionDevice ......................... 27 3.2.6 Reverse Feedback Protection (Optional)....................28 3.3 Transportation and Unpacking ........................28 3.3.1 Transportation ............................28 3.3.2 Unpacking ............................. 29 3.4 Mechanical Installation ..........................31 3.4.1 UPS Installation ............................ 31 3.4.2 Wiring ..............................
  • Page 6 AEC UPS IST7 10-30 KVA Foreword User Manual 4.6.4 Function Configuration ......................... 59 4.6.5 HMI Setting ............................60 4.6.6 Password Setting ........................... 61 4.7 Buzzer Control ............................... 61 4.8 ON/OFF ................................. 61 5 Use and Operation ........................63 5.1 Use Announcements ............................63 5.2 Operation Procedure ............................
  • Page 7 AEC UPS IST7 10-30 kVA User Manual Foreword 7 Package, Transportation and Storage ..................79 7.1 Package ................................79 7.2 Transportation ..............................79 7.3 Storage ................................79 A Technical Specifications ......................80 B Acronyms and Abbreviations ....................84...

  • Page 9: Safety Instructions

    AEC UPS IST7 10-30 kVA User Manual 2 Overview 1 Safety Instructions This chapter introduces the safety announcements. Prior to performing any work on the UPS, please read the user manual carefully to avoid human injury and device damage by irregular operations.
  • Page 10 AEC UPS IST7 10-30 KVA 2 Overview 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: Use Announcements For Battery

    AEC UPS IST7 10-30 kVA User Manual 2 Overview 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: Anti-Static Protection

    AEC UPS IST7 10-30 KVA 2 Overview User Manual 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: Safety Warning Label Setting

    AEC UPS IST7 10-30 kVA User Manual 2 Overview  It is prohibited to damage the grounding conductor.  The device must be connected with protection earthing permanently. Before operating, please check the electric connection and ensure the device has been connected to earth reliably.
  • Page 14 AEC UPS IST7 10-30 KVA 2 Overview User Manual The related operation and wiring for the UPS should be performed by qualified professionals, and ensure the electric installation accord with the electricity installation standards. The installation and maintenance man should be trained and know each safety announcements and get the right operation method, and then, the installation, operation and maintenance can be done.

  • Page 15: Environment Requirements

    AEC UPS IST7 10-30 kVA User Manual 2 Overview Drilling holes on the cabinet is prohibited! Inappropriate drilling will damage the components inside the UPS. Metal debris generated by drilling will lead to circuit board short circuit. Changing the UPS configuration, structure or assembly will affect the performance of the UPS. If user needs to do like this, please consult the manufacturer in advance.

  • Page 16: Overview

    UPS. 2.1 Product Intro The AEC IST7 UPS 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

    AEC UPS IST7 10-30 kVA User Manual 2 Overview voltage or frequency out of normal range and cannot satisfy the user’s power supply requirement, it will switch to inverter output, and this guarantee the reliability of power supply and also, save energy.
  • Page 18 AEC UPS IST7 10-30 KVA 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

    AEC UPS IST7 10-30 kVA User Manual 2 Overview to restart. If the short-circuit is removed, the UPS will switch to inverter; if the fault is not removed, the UPS will try to restart for 5 times. 5 times later, the UPS will turn to fault protection. At this time, it needs to power off or press the touch screen to shut down the UPS, and restart the UPS, and then, it will recover normal work.
  • Page 20 AEC UPS IST7 10-30 KVA 2 Overview User Manual Operation panel Figure1.1 Operation panel Table1.1 Illustration for the operation panel Name Illustration Shows the running parameters (such as voltage, current, load, ○ Touch screen etc.) and status On (green): rectifier works normally.

  • Page 21: Structure Layout (Open Door)

    AEC UPS IST7 10-30 kVA User Manual 2 Overview 2.3.2 Structure Layout (Open Door) The structure layout of this series UPS is as shown in Figure1.2, Errore. L'origine riferimento non è stata trovata., Errore. L'origine riferimento non è stata trovata..
  • Page 22 AEC UPS IST7 10-30 KVA 2 Overview User Manual 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 Table1.1 and Table1.2. Table1.1 Output dry contact function illustration...

  • Page 23: Alarm Function

    AEC UPS IST7 10-30 kVA User Manual 2 Overview The definition for MODBUS port is as follows: pin3 (orange) is A, pin6 (blue) is B. The definition for RS485 port is as follows: pin1 (brown) is A, pin8 (white and green) is B.
  • Page 24 AEC UPS IST7 10-30 KVA 2 Overview User Manual Table1.5 Abnormal status and alarm/ protection function Alarm action Protection action Fault name EPO enable Shut down all inverter output and Bypass overload protection bypass output. Bypass output under-voltage Inverter output overvoltage...
  • Page 25 AEC UPS IST7 10-30 kVA User Manual 2 Overview Alarm action Protection action Fault name 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 26 AEC UPS IST7 10-30 KVA 2 Overview User Manual Alarm action Protection action Fault name Mains under-frequency. Mains phase sequence is wrong. Mains lack-phase. Mains over-current. Mains current DC component is too large. It turns to float charge. The charge Battery high temperature alarm.

  • Page 27: Installation

    AEC UPS IST7 10-30 kVA User Manual 2 Overview 3 Installation This chapter mainly introduces the installation of the UPS, including unpacking and checking, installation procedure, installation preparation, mechanical installation and system checking and test, etc. The UPS should be installed by authorized person who is special trained and achieve the qualification of high-voltage and AC power.

  • Page 28: Installation Preparation

    AEC UPS IST7 10-30 KVA 2 Overview User Manual 3.2 Installation Preparation 3.2.1 Installation Tools Tools...

  • Page 29: Installation Environment

    AEC UPS IST7 10-30 kVA User Manual 2 Overview 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 30: Installation Space

    AEC UPS IST7 10-30 KVA 2 Overview User Manual The optimal operating temperature for batteries is 20–30°C. Operating at temperatures lower than 20°C will shorten the battery backup time, and operating at temperatures higher than 30°C will shorten the battery lifespan.

  • Page 31: Selection Of Input And Output Wires

    AEC UPS IST7 10-30 kVA User Manual 2 Overview  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 32: Surge Protectiondevice

    AEC UPS IST7 10-30 KVA 2 Overview User Manual The cross-sectional areas above are recommended for 5 meters long wires. Longer wires require larger cross-sectional areas. 3.2.5 Surge ProtectionDevice If the UPS is installed in a lightning-prone area, it’s better to install multiple surge protection devices between the power grid and the UPS.

  • Page 33: Unpacking

    AEC UPS IST7 10-30 kVA User Manual 2 Overview Figure1.5 Manual forklift 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 Check if the package appearance is in good condition and if there is any damage caused by transportation.
  • Page 34 AEC UPS IST7 10-30 KVA 2 Overview User Manual Figure1.6 Remove bottom supporting plates Figure1.7 The bottom supporting plates of the UPS are the same, In above figure, we take 80kVA-120kVA UPS as an example to illustrate. Loosen the brake of all the wheels or heighten the 4 supporting feet (as shown in Figure1.8).
  • Page 35 AEC UPS IST7 10-30 kVA User Manual 2 Overview Adjust the support feet in clockwise to height the supporting feet, and adjust in anticlockwise to lower the supporting feet. During operating, do not adjust one supporting foot only, adjust the four supporting feet in phase, which is to avoid tilting even device damage.

  • Page 36: Mechanical Installation

    AEC UPS IST7 10-30 KVA 2 Overview User Manual 3.4 Mechanical Installation 3.4.1 UPS Installation Determine and plan the installation position according to the UPS size (as shown inErrore. L'origine riferimento non è stata trovata.) and installation clearance requirement (see 3.2.3 Installation ).

  • Page 37: Wiring

    AEC UPS IST7 10-30 kVA User Manual 2 Overview Figure1.11 Adjust supporting feet 3.4.2 Wiring Open the front door of the UPS, remove the bottom wiring cover plate, as shown inFigure1.12. The battery +, - and neutral wire terminal of 10kVA-30kVA are all at the back of the UPS, so, before wiring, it needs to dismantle the rear bottom wiring cover plate.
  • Page 38 AEC UPS IST7 10-30 KVA 2 Overview User Manual The bottom wiring cover plate position of the UPS are the same, In above figure, we take 80kVA-120kVA UPS as an example to illustrate. Step 2 Lead the input cables, output cables and battery cables go through the bottom wiring hole (the diagrams of bottom wire hole are as shown in Figure1.1, Errore.
  • Page 39 AEC UPS IST7 10-30 kVA User Manual 2 Overview Figure1.2 Wiring terminals diagram of 10kVA-30kVA 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 Figure1.3.

  • Page 40: Install Battery Cabinet

    AEC UPS IST7 10-30 KVA 2 Overview User Manual Fasten the communication wires to corresponding wiring bundling slot by cable ties, which is to ensure wiring in order and avoid blocking the ventilation holes. After ensure the wire connection are all right, fill the empty party with insulation fireproofing mud.

  • Page 41: System Check And Test

    AEC UPS IST7 10-30 kVA User Manual 2 Overview After disconnecting the battery breaker, connect the wire of battery breaker to the positive, negativee 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 42: Touch Screen Operation And Setting

    AEC UPS IST7 10-30 KVA 2 Overview User Manual 4 Touch Screen Operation and Setting This chapter mainly introduces the work parameters and work status and system setting of the UPS. 4.1 Menu Hierarchy Mains Voltage\current\frequency Bypass Voltage\ current\ active power\ apparent power\ frequency...
  • Page 43 AEC UPS IST7 10-30 kVA User Manual 2 Overview Figure1.3 Main page After enter the mains page, user can monitor the system conveniently. The meaning of icon in main page is as follows. : System bypass input. When bypass input abnormal, the icon flickers and shows as : System mains input.

  • Page 44: System Work Status Display

    AEC UPS IST7 10-30 KVA 2 Overview User Manual 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. output, aging bypass output, fault protection. Each page is as shown fromFigure1.4 to Figure1.15.
  • Page 45 AEC UPS IST7 10-30 kVA User Manual 2 Overview Figure1.6 Exit parallel system Figure1.7 Maintain bypass output Figure1.8 Bypass output...
  • Page 46 AEC UPS IST7 10-30 KVA 2 Overview User Manual Figure1.9 Battery INV.output Figure1.10 Mains INV.output Figure1.11 Grid-connected aging...
  • Page 47 AEC UPS IST7 10-30 kVA User Manual 2 Overview Figure1.12 ECO bypass output Figure1.13 Frequency conversion INV. output Figure1.14 Aging bypass output...

  • Page 48: Monitor Function

    AEC UPS IST7 10-30 KVA 2 Overview User Manual Figure1.15 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 Figure1.16. Figure1.16 Current fault window 4.4 Monitor Function...

  • Page 49: Mains Information

    AEC UPS IST7 10-30 kVA User Manual 2 Overview Figure1.17 Bypass information 4.4.2 Mains Information In main page, click icon, it will enter system mains information page, as shown inFigure1.18. In the page, it shows the current system mains three-phase voltage, current and frequency.

  • Page 50: System Output Information Page

    AEC UPS IST7 10-30 KVA 2 Overview User Manual Figure1.19 Battery inversion status, battery discharge Figure1.20 Mains inversion status, battery charge 4.4.4 System Output Information Page In main page, click icon, it will enter system output information page, as shown in Figure1.21.

  • Page 51: Information Query

    AEC UPS IST7 10-30 kVA User Manual 2 Overview 4.5 Information Query In main page, click icon, it will enter information query page, as shown in Figure1.22. Figure1.22 Information query It can record 10000 pieces information at most. When the record exceeds 10000 piece, the earliest information will be covered by new one.

  • Page 52: User Log

    AEC UPS IST7 10-30 KVA 2 Overview User Manual 1.1.2 User Log In information query page, click user log icon , it will enter user log page, as shown in Figure1.24. This page shows the user parameter setting record. Figure1.24 User log 1.1.3 Device Information...

  • Page 53: Setting Management

    AEC UPS IST7 10-30 kVA User Manual 2 Overview Figure1.26 Product information 2 Figure1.27 Product information 3 Figure1.28 Product information 4 Setting Management In main page, click icon, it will enter user login page, as shown in Figure1.29.

  • Page 54: System Management

    AEC UPS IST7 10-30 KVA 2 Overview User Manual Figure1.29 Login page After entering right password (initial password for common user is 111), it will turn to setting page as shown in Figure1.30. Common user can look up the parameters, but cannot set the parameters.
  • Page 55 AEC UPS IST7 10-30 kVA User Manual 2 Overview System setting Figure1.1 System setting page 1 Figure1.2 System setting page 2 If setting successfully, at the right of the parameter will show mark, as shown in Figure1.3. If setting failure, it will show mark, as shown in Figure1.4.
  • Page 56 AEC UPS IST7 10-30 KVA 2 Overview User Manual Figure1.4 Setting failure Bypass setting Click Bypass Setting, it will turn to bypass setting page, as shown in Figure1.1. 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 57: Battery Management

    AEC UPS IST7 10-30 kVA User Manual 2 Overview 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.
  • Page 58 AEC UPS IST7 10-30 KVA 2 Overview User Manual Figure1.2 Battery setting page 2 Figure1.3 Battery setting page 3 Charging setting Figure1.1 Charge setting 1...

  • Page 59: Battery Test

    AEC UPS IST7 10-30 kVA User Manual 2 Overview Figure1.2 Charge setting 2 Figure1.3 Charge setting 3 1.2.3 Battery Test In setting management page, click battery test icon , it will enter battery test page, as shown in Figure1.4. Figure1.4 Battery test...

  • Page 60: Function Configuration

    AEC UPS IST7 10-30 KVA 2 Overview User Manual 1.2.4 Function Configuration In setting management page, click function configuration icon , it will enter function configuration page. The page includes generator setting and dedusting setting, and can be changed by the top button.

  • Page 61: Hmi Setting

    AEC UPS IST7 10-30 kVA User Manual 2 Overview 1.2.5 HMI Setting In setting management page, click HMI setting icon , it will enter HMI setting page, as shown in Figure1.2. Figure1.2 HMI setting...

  • Page 62: Password Setting

    AEC UPS IST7 10-30 KVA 2 Overview User Manual 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 63 AEC UPS IST7 10-30 kVA User Manual 2 Overview Figure1.4 Confirm to power on While powering off, click button, it will enter the ON/OFF page, as shown in Figure1.5, click OK button to perform the shutdown operation. Figure1.5 Confirm to power off...

  • Page 64: Use And Operation

    AEC UPS IST7 10-30 KVA 2 Overview User Manual Use and Operation  This chapter mainly introduces the operation procedure and method, including using announcements, operation procedure, UPS start and parallel system start, etc. 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 65: Startup

    AEC UPS IST7 10-30 kVA User Manual 2 Overview Ensure that the mains input breaker (POWER), bypass breaker (BYPASS), output breaker (OUTPUT), maintenance bypass breaker (MAINTENANCE) are all OFF. Check load.  Ensure that the load is not conductive load. The output of the UPS cannot be conductive load, such as motor, fan, air-condition, etc.

  • Page 66: Ups Shutdown

    AEC UPS IST7 10-30 KVA 2 Overview User Manual Press the panel OFF combination button for 3s, the system turns to bypass power supply. Look up the system running status in the touch screen, and ensure that the system turns to bypass to supply power.

  • Page 67: Switch To Bypass Mode Manually

    AEC UPS IST7 10-30 kVA User Manual 2 Overview  Shutdown by touch screen Click the icon in the main page, it will enter ON/OFF page, click OK to perform the operation, as shown in Figure1.8. Figure1.8 Confirm to shutdown 2.3.4 Switch to Bypass Mode Manually...

  • Page 68: Switch To Inverter Output From Maintenance Bypass

    AEC UPS IST7 10-30 KVA 2 Overview User Manual In system management page, click the ON/OFF icon , it will enter ON/OFF page. Select OFF icon and press the OK icon for more than 3s, the inverter will be shut down.

  • Page 69: Emergency Power Off (Epo)

    AEC UPS IST7 10-30 kVA User Manual 2 Overview The inverter also can be started by ON button on the panel, but generally, it is not suggested to operate like this. 2.3.7 Emergency Power Off (EPO) Do not perform the EPO operation unless emergency.

  • Page 70: Parallel Systemstartup And Shutdown

    AEC UPS IST7 10-30 KVA 2 Overview User Manual Parallel SystemStartup and Shutdown 2.4.1 Start Parallel System  Before start the parallel system, please perform the operation of 2.3 UPS Start and Shutdown for each UPS.  Before power on and test the parallel system, please ensure that the wire connection of input and out cables and phase sequence is right and the parallel wire is well connected and stay in disconnection status.
  • Page 71 AEC UPS IST7 10-30 kVA User Manual 2 Overview end three-phase output voltage of output breaker of UPS, ensure that the inverter output voltage is normal (the three- phase output voltage = output voltage setting ±2.0V), and ensure that the inverter frequency is normal (the three- phase output frequency = output frequency setting ±0.1Hz).

  • Page 72: Shutdown Parallel System

    AEC UPS IST7 10-30 KVA 2 Overview User Manual Close the total output breaker of load. After the parallel system turns to bypass power supply, close the total output breaker of load, system bypass supplies power for load. Start each UPS successively, the system turns to inverter power supply.
  • Page 73 AEC UPS IST7 10-30 kVA User Manual 2 Overview  EPO linkage is not enabled Press EPO button of one UPS, the output of this UPS will be closed. Press the EPO button of total system, all paralleled UPS will be shut down and all output will be...

  • Page 74: Maintenance And Troubleshooting

    AEC UPS IST7 10-30 KVA 2 Overview User Manual Maintenance and Troubleshooting  This chapter mainly introduces the UPS maintenance guide, battery daily maintenance, battery replacement announcement and troubleshooting, etc. Maintenance Guide Proper maintenance is the key to make the device operate in the best status and with a longer service life.

  • Page 75: Announcementsfor Battery Replacement

    AEC UPS IST7 10-30 kVA User Manual 2 Overview − 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 76: Troubleshooting

    AEC UPS IST7 10-30 KVA 2 Overview User Manual Troubleshooting 3.4.1 Common Abnormal Phenomena Diagnosis If the UPS works abnormally after start, please refer to Table1.1 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 77 AEC UPS IST7 10-30 kVA User Manual 2 Overview Abnormal phenomena Possible reason The UPS work normally At the status of battery supply power, the battery is runs out and after startup, but some system protects for battery under-voltage, the UPS shut down time later, the UPS shut automatically.

  • Page 78: Emergency Dispose For System Fault

    AEC UPS IST7 10-30 KVA 2 Overview User Manual Abnormal phenomena Possible reason At mains status, the UPS The grounding is not so good and the float voltage between works normally, once neutral wire and grounding wire is too large.

  • Page 79: Package, Transportation And Storage

    AEC UPS IST7 10-30 kVA User Manual 2 Overview Package, Transportation and Storage  This chapter mainly introduces the package, transportation and storage of the UPS. Package During packing, please pay attention to the place direction requirements. At the side of the wooden box, there is afraid of wet, handle with care, upward, stack layer limit, etc.

  • Page 80: A Technical Specifications

    AEC UPS IST7 10-30 kVA A Technical Specifications User Manual A Technical Specifications Model Index 10kVA 20kVA 30kVA Input mode 3φ4W+PE Rated input voltage (VAC) 220/230/240 (phase voltage) Vin=176Vac~280Vac, Do not decrease rated power to use. Input voltage range Vin=80Vac~175Vac, Linear decrease rated power to use.
  • Page 81 AEC UPS IST7 10-30 kVA User Manual A Technical Specifications Model Index 10kVA 20kVA 30kVA Frequency (Hz) When mains normal, it tracks the bypass input; When mains abnormal, it tracks the frequency of the UPS in the range of 50±0.1% or 60±0.1%.
  • Page 82 AEC UPS IST7 10-30 kVA A Technical Specifications User Manual Model Index 10kVA 20kVA 30kVA When the load changes in the range of 0%～100% or 100%～0%, Dynamic response transient the output voltage≤5% range Load unbalance capacity Can bar 100% unbalance load Manual maintenance bypass It equips the maintenance bypass switch without switch time.
  • Page 83 AEC UPS IST7 10-30 kVA User Manual A Technical Specifications Model Index 10kVA 20kVA 30kVA Size (W×D×H) (mm) 320*840*867 Weight (kg)  Specifications are subject to change without prior notice.

  • Page 84: B Acronyms And Abbreviations

    AEC UPS IST7 10-30 kVA B Acronyms and Abbreviations User Manual B Acronyms and Abbreviations Alternating Current Direct Current Digital Signal Processor Energy Control Operation Emergency Power Off Light-emitting Diode Protective Earthing RS485 Recommend Standard485...
  • Page 85 AEC UPS IST7 10-30 kVA User Manual B Acronyms and Abbreviations SNMP Simple Network Management Protocol THDv Total Harmonic Distortion of output voltage Uninterruptible Power Supply...

This manual is also suitable for:

Ist7 20kvaIst7 30kva

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