Ups2000 g 3krts инструкция на русском

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• Page 1
  UPS2000-G-(1 kVA-3 kVA) User Manual Issue Date 2019-12-19 HUAWEI TECHNOLOGIES CO., LTD.
• Page 2
  Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided «AS IS»…

• Page 3: About This Document

  Indicates a hazard with a high level of risk which, if not avoided, will result in death or serious injury. Indicates a hazard with a medium level of risk which, if not avoided, could result in death or serious injury. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 4
  Updated the section «Output Electrical Specifications». Issue 11 (2018-08-29)  Updated «Buttons».  Updated the section «Alarm Handling». Issue 10 (2018-01-16) Added the description of device application scenarios. Issue 09 (2017-11-27) Updated the section «Operating Environment.» Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 5
  Added button functions for exiting parameter setting screens and alarm screen. Issue 03 (2015-10-20) Updated the button description. Issue 02 (2015-08-29) Updated the routine maintenance. Issue 01 (2015-06-25) This issue is the first official release. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 6: Table Of Contents

  4.3 Character Display …………………………. 33 4.4 Buttons …………………………….35 4.5 Setting Parameters …………………………36 4.6 Operating Modes ………………………….. 43 4.7 Alarm Handing…………………………..44 4.8 Alarm Indication …………………………… 56 5 Operations ………………………. 58 Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 7
  9.5 Output Electrical Specifications ……………………..74 9.6 Battery Specifications …………………………76 9.7 ECO Feature …………………………..77 9.8 System Electrical Specifications ……………………..78 9.9 Safety Regulations and EMC ……………………….78 A Acronyms and Abbreviations ………………..79 Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 8: Safety Information

  The «NOTICE», «WARNING», and «DANGER» statements in this document do not cover all the safety instructions. They are only supplements to the safety instructions. Huawei will not be liable for any consequence caused by the violation of general safety requirements or design, production, and usage safety standards.

• Page 9
   Keep irrelevant people away from the equipment. Only operators are allowed to access the equipment.  Use insulated tools or tools with insulated handles, as shown in the following figure. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 10
   To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telecommunication network voltage (TNV) circuits. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 11: Personnel Requirements

  Do not power on the equipment before it is installed or confirmed by professionals. 1.2 Personnel Requirements  Personnel who plan to install or maintain Huawei equipment must receive thorough training, understand all necessary safety precautions, and be able to correctly perform all operations.

• Page 12
  When selecting, connecting, and routing cables, follow local safety regulations and rules. The static electricity generated by human bodies may damage the electrostatic-sensitive components on boards, for example, the large-scale integrated (LSI) circuits. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 13: Installation Environment Requirements

   Ensure that the equipment room provides good heat insulation, and the walls and floor are dampproof.  Install a rat guard at the door of the equipment room. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 14: Mechanical Safety

  Before hoisting objects, ensure that hoisting tools are firmly secured onto a load-bearing object or wall.  Ensure that the angle formed by two hoisting cables is no more than 90 degrees, as shown in the following figure. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 15
  Do not climb higher than the fourth rung of the ladder from the top.  Ensure that your body’s center of gravity does not shift outside the legs of the ladder. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 16: Device Running Safety

  Metal shavings from drilling may short-circuit boards inside the equipment.  Obtain the consent from the customer, subcontractor, and Huawei before drilling.  Wear goggles and protective gloves when drilling holes. …

• Page 17
  Any operation on any electrical device in an environment that has inflammable air can cause extreme danger. Strictly obey the operating environmental requirements specified in related user manuals when using or storing the device. Do not use the UPS in the following places: Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 18: Battery Safety

  If a battery is disposed of improperly, it may explode.  The site must be equipped with qualified fire extinguishing facilities, such as firefighting sands and powder fire extinguishers. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 19
  User Manual 1 Safety Information To ensure battery safety and battery management accuracy, use batteries provided with the UPS by Huawei. Huawei is not responsible for any battery faults caused by batteries not provided by Huawei. Battery Installation Before installing batteries, observe the following safety precautions: …

• Page 20: Others

  UPS output voltage level or frequency. Doing so may affect the power supply to equipment.  Exercise caution when setting battery parameters. Incorrect settings will affect the power supply and battery lifespan. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 21: Overview

  The two models are represented by 3 kVA UPS2000-G-3KRTS model-rack in the description of their common features mounted-IEC and parameters. UPS2000-G-3KRTL 3 K-long backup time model-rack mounted-IEC Figure 2-1 shows the UPS model number. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 22: Working Principle

  S: standard backup time model, which provides only a pack (optional) standard battery pack  L: long backup time model. You need to use an external large-capacity battery pack 2.2 Working Principle Figure 2-2 shows the UPS conceptual diagram. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 23: Product Structure

  (3) USB port (security protection mechanism supported) (4) RS232 port (5) Optional card slot (6) Output socket (C13) Figure 2-4 Rear view of UPS2000-G-1KRTL (1) Mains input socket (C14) (2) Input circuit breaker Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 24
  (2) Input circuit breaker (3) USB port (security protection mechanism supported) (4) RS232 port (6) Output socket (5) Optional card slot (C13) (7) External battery connector (only for long backup time models) Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 25: Optional Components

  The USB port supports the standard Modbus protocol and can be connected to the NMS over a USB cable. 2.4 Optional Components Optional Model Function Remarks Component Ambient Measures the UPS Used together ENR1DETA MODULE Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 26
  1 kVA UPS with mains and charges the long backup batteries or battery time. pack. Applicable to the CHG-72V12A-01B 2 kVA UPS with long backup Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 27
  UPS. In addition, the OVCD provides extra input surge voltage absorbing capability and input filtering capability. Guide rail None Secures the UPS or Configured in component battery pack. rack-mounted scenarios. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 28: Installing The Ups

   Reserve a clearance of at least 500 mm respectively from the front and rear panels of the UPS to the wall or adjacent equipment to facilitate ventilation and heat dissipation. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 29: Tools

  Appearance, Specifications, and Name Clamp meter Multimeter Labels Phillips screwdriver (PH2 x 150 mm or PH3 x 250 mm) Flat-head Torque screwdriver Crimping tool Diagonal pliers screwdriver (2 mm x 80 mm) Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 30: Securing Ups

  Rack-mounting a UPS Take out mounting brackets from the fitting bag, and install mounting brackets on UPS. Install guide (2 U) on the Cabinet. Then Place the UPS on the guide rails. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 31
  Assemble support bases. The minimum distance between two support bases should be 150 mm. Place UPS on the support bases in sequence. Adjust the UPS and the support bases to be horizontally. Figure 3-3 Tower-mounting the UPS Figure 3-4 Tower-mounting the UPS Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 32: Installing Cables

  UPS automatically supplies power to the loads. Figure 3-5 Connecting cables to the 1KRTS UPS output Figure 3-6 Connecting cables to the 1KRTL UPS output Figure 3-7 Connecting cables to the 2KRTS UPS output Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 33
  Connecting battery power cables to a long backup time model. (The step is optional for long backup time model, the standard model with built-in batteries cannot support external batteries.) Figure 3-11 Connecting cables to the 3 kVA UPS battery pack Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 34
  Connect the UPS to the RS232 or USB port on a PC. Then you can monitor the UPS status using the PC as long as you have installed the monitoring software. The Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 35
  To monitor the UPS over a PC, need to install the monitoring software iManager NetEco 1000U. Take out input power cables from the fitting bag, and connect mains input power cables to the UPS. Figure 3-16 Connecting cables to the 1KRTS UPS input Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 36
  Figure 3-17 Connecting cables to the 1KRTL UPS input Figure 3-18 Connecting cables to the 2KRTS UPS input Figure 3-19 Connecting cables to the 2KRTL UPS input Figure 3-20 Connecting cables to the 3KRTS UPS input Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 37: Installation Verification

  0.1 ohm. Distances between cable Distances between cable ties are the same, and no burr ties exists. Operating environment Clean the conductive air and other sundries. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 38: Setting Control Panel

  UPS, view the running status, set parameters, and view alarms. Figure 4-1 LCD panel Table 4-1 Icon description Icon Function Backup time information Alternately displays the remaining power backup time, alarm ID, and CF (only displays in frequency conversion Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 39
  Displays that the UPS is in bypass mode. Displays that the UPS is in ECO mode. Indicates that the frequency conversion circuit is working. Displays that the output socket is delivering power output. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 40: Buzzer Alarm Tones

  Beeps once every second. Overload Beeps twice every second. Critical alarm Buzzes continuously. Bypass mode Beeps once every 10 seconds. 4.3 Character Display Table 4-3 Character display description Acronym Display Description Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 41
  ECO mode High voltage Low voltage Constant-frequency mode Buzzer off Automatic startup Dynamic Host Configuration Protocol (DHCP) IP ADS IP address SUB NET Subnet mask GAT UAY Gateway No battery alarm disabled Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 42: Buttons

  UPS to enter the standby mode or bypass mode (if set or enabled before).  Confirming setting: During the setting of UPS parameters, press Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 43: Setting Parameters

  The user interface (UI) snapshots in this document are taken from the software version UPS2000V200R001C01SPC300 (V2R1C1SPC30 is displayed on the NetEco; you can query the version information by choosing Maintenance > Current Version). Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 44
  220: The output voltage is 220 V AC. 230: The output voltage is 230 V AC (default value). 240: The output voltage is 240 V AC.  Enable or disable the frequency conversion mode. Display Setting Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 45
  264 V AC, and the default value is 264 V The highest input voltage in bypass mode should be higher than the highest input voltage in ECO mode.  Set the lowest input voltage in bypass mode. Display Setting Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 46
  0–999: Set the battery backup time in battery mode. The value ranges from 0 minutes to 999 minutes. 0: The backup time limit is canceled (default value).  Enable or disable the ECO mode. Display Setting Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 47
  Enable or disable the buzzer off function. ENA: used to enable the buzzer off function. DIS: used to disable the buzzer off function. By default, the buzzer off function is disabled. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 48
  UPS IP address: can only be displayed but not configurable. Press ▲ or ▼ to switch between different screens. On the ESC screen, press OFF/ENTER to exit. (The default value is 192.168.0.10.)  Subnet mask display Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 49
  ENA: Disables the function for reporting the no battery alarm. DIS: Enables the function for reporting the no battery alarm (default value).  Exit setting Display Remarks Exit from the parameter settings screen. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 50: Operating Modes

  If the UPS is set to be enables the bypass mode, the UPS automatically transfers to bypass mode after connecting to the mains. When the UPS works in bypass mode, the buzzer beeps once every 10 seconds. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 51: Alarm Handing

  If yes, has no change the range output. or wait until the bypass input Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 52
  This alarm is Batteries are The power Possible cause: disconne automatically supply from No batteries cted cleared. connected, the UPS is are connected. connected Measure: improperly, affected. Connect or damaged. batteries. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 53
   batteries are batteries disconnected. connecte d during running of the UPS, the transfers bypass mode. Minor This alarm is The voltage The UPS automatically of each automatical Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 54
  UPS fails to Measure: start. Connect to the  mains in batteries non-battery test state. connecte d during running of the UPS, the transfers bypass Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 55
  40º C. state and exceeds 40º C cannot start. when the UPS is in standby mode. As a result, the UPS cannot start. Measure: Lower the ambient temperature at Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 56
  Huawei technical support. Internal Critical This alarm The bus If this alarm  Possible cause: fault must be voltage is is generated The hardware manually lower than during the Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 57
  75% of the the UPS, rated output the UPS voltage, and transfers to the output bypass current is mode. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 58
  Measure: value of the the UPS, Contact the positive bus the UPS dealer or voltage and transfers to Huawei that of the bypass technical negative bus mode. support. voltage is Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 59
  The charger The power Possible cause: fault automatically has no supply from The internal cleared. output. the UPS is connection of the charger is affected. abnormal. Measure: Contact the dealer or Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 60
  UPS with a the rated  If the UPS with a larger load. capacity.  In normal transfers mode, from when the normal bypass mode to Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 61
  UPS with a UPS with a larger capacity. Minor This alarm is The UPS If the  Possible cause: bypass automatically transfers to bypass is The inverter is cleared. bypass abnormal, not started. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 62
  If the mains input is abnormal, wait for the mains to recover.  Possible cause: The battery self-check is in progress. Measure: Check whether the battery self-check is in Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 63: Alarm Indication

  4.8 Alarm Indication Table 4-7 Alarm indication Alarm Display (Blinking) Buzzer Insufficient battery capacity Beeps once every second. Overload Beeps twice every second. Battery disconnection Beeps once every second. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 64
  UPS2000-G-(1 kVA-3 kVA) User Manual 4 Setting Control Panel Alarm Display (Blinking) Buzzer Overcharge Beeps once every second. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 65: Operations

  The input voltage rang for the mains to start the UPS is 120–280 V AC (or 80–280 V AC after the UPS powers on). The battery voltage range is (Number of batteries x 10.8) to (Number of batteries x 14) V DC. 5.2 Starting the UPS Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 66
  Procedure: After power on the UPS, it enters standby mode, as shown in Figure 5-1. Hold down the SELECT button for 5 seconds. The UPS enters the preset mode. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 67
  The default value is 18 Ah for the UPS with long backup time, and the value can range from 18 Ah to 999 Ah. Figure 5-4 Setting the battery capacity Start the UPS to inverter mode. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 68: Shutting Down The Ups

  UPS enter the invert mode. 5.6 Transferring to Battery Self-check In normal mode, ECO mode, or frequency conversion mode, hold down ON/MUTE for more than 5 seconds to enter the battery self-check test. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 69: Enabling Or Disabling The Buzzer

  5.9 Entering Alarm Cause ID Screen Hold down SELECT and OFF/ENTER both for 5 seconds to enter the alarm cause ID screen. Press ON/MUTE to view the previous option. Press SELECT to view the next option. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 70: Maintenance And Storage

  Table 6-1 UPS charging during storage Storage Temperature Charge Interval Charge Duration –25° C to +40° C Three months 1–2 hours 40° C to 45° C Two months 1–2 hours Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 71: Routine Maintenance

  Check that all units If an alarm is Monthly are operating present, rectify the properly by fault by checking the observing the status device status and icons on the LCD, parameters. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 72: Battery Maintenance

   When moving batteries, avoid handling the battery upside down, handle batteries gently, and pay attention to personal safety.  Keep the battery switch off when installing or maintaining the batteries. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 73
  5. Batteries are not deformed or bulged. 1. The ambient 1. Identify the Battery operating Monthly battery cause of the temperature temperature is abnormal battery 25± 5° C. operating Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 74
  1. Install the Battery temperature The difference Quarterly temperature sensor measurement between the sensor in the accuracy temperature correct position. measured by the temperature sensor 2. Replace the and the temperature battery Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 75
  1. Each battery 1. Rectify any Battery connection Yearly terminal is abnormal reliability connected connection. reliably. (When 2. If the fault battery strings persists, contact are powered off, Huawei technical Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.
• Page 76
  (A torque wrench is used for checking the torque. After checking that the battery screws meet the requirements, mark the screws for later check.) Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 77: Troubleshooting

  5 hours and then check the in specifications. battery capacity. If the battery capacity is still insufficient, contact the dealer or Huawei technical support. Batteries are faulty. Contact the dealer or Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 78
  UPS2000-G-(1 kVA-3 kVA) User Manual 8 Troubleshooting Symptom Possible Cause Measures Huawei technical support to replace batteries. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 79: Specifications

  Humidity 0%–95% RH (non-condensing) Altitude < 1000 m –40° C to +70° C (battery pack: –20° C to +40° C) Storage and transportation temperature Noise < 50 dBA @ 1 m Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 80: Mains Input Electrical Specifications

  270 V AC (tolerance ± 5%, 80% < load percentage < 100%) voltage Input power factor > 0.99 (100% resistive load) Startup voltage 120 V-280 V AC Diesel generator input Minimum 1.5 times the UPS rated capacity capacity Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 81: Bypass Input Electrical Specifications

  Crest factor A maximum of 3:1  Inverter overload capability When the ambient temperature is 0–35° C: − 105%–110%: The UPS automatically shuts down (in battery mode) or transfers to bypass Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 82
  In frequency conversion mode, the output load is derated to 80% of the rated capacity.  If the output voltage is 200 V AC or 208 V AC, the output load is derated to 80% of the rated capacity. Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 83: Battery Specifications

  Table 9-7 Power backup specifications of the battery pack Battery Load UPS2000-G-1KR UPS2000-G-2KR UPS2000-G-3KR Pack TL (min) TL (min) TL (min) 1 Battery 100% 15.0 group 21.0 10.0 11.0 39.0 18.0 17.0 77.0 37.0 45.0 Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 84: Eco Feature

  2 kVA 3 kVA ECO voltage Default value: ± 22 V A (configurable on the LCD) tolerance The range is ± (13 V AC-24 V AC) ECO frequency ± 3 Hz tolerance Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 85: System Electrical Specifications

  (EFT/B) Surge IEC61000-4-5 Power magnetic IEC61000-4-8 susceptibility (PMS) Harmonic current IEC61000-3-12 Flashing IEC61000-3-11 (input current > 16 A) Impact current (lightning  IEC/EN60240-2 protection)  IEC/EN61000-4-5  YD/T1095-2000  YD/T944-2007 Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 86: A Acronyms And Abbreviations

  Electrically erasable programmable read-only memory EEPROM HTTP HTTP-Hypertext Transfer Protocol Liquid crystal display Power Factor Correction RS232 Recommend Standard 232 Simple Network Management Protocol SNMP THDv Total harmonic distortion of output voltage Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.

• Page 87
  UPS2000-G-(1 kVA-3 kVA) User Manual A Acronyms and Abbreviations Uninterruptible power system Issue 15 (2019-12-19) Copyright © Huawei Technologies Co., Ltd.