Huawei UPS2000-G-1 kVA User Manual

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UPS2000-G-(1 kVA-3 kVA)

User Manual

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2024-11-10

HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.

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Page 1 UPS2000-G-(1 kVA-3 kVA) User Manual Issue Date 2024-11-10 HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei Digital Power Technologies Co., Ltd. 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 4 ● Updated the button description. ● Updated the content about alarm handling. 2018-01-16 Added descriptions about the device application scenarios. 2017-11-27 Updated the device running environment. 2017-08-04 Updated the description about alarm handling. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 5 2015-10-12 Added the 2 kVA UPS. 2015-08-10 Updated the weight of the 1 kVA UPS. 2015-06-25 This issue is the first official release. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 6 4 Installation and Cable Connection..................36 4.1 Installation Preparations..............................36 4.2 Tools......................................37 4.3 Installing a UPS..................................39 4.4 Installing Cables..................................41 4.5 Installation Verification............................... 46 5 Setting Control Panel......................48 Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 7 7 Maintenance and Storage....................83 7.1 Maintenance................................... 83 7.2 Storage..................................... 83 8 Routine Maintenance......................84 8.1 UPS Maintenance..................................84 8.2 Battery Maintenance................................86 9 Troubleshooting........................92 A Acronyms and Abbreviations..................... 94 Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 8 Equipment damage due to force majeure such as earthquakes, floods, volcanic eruptions, debris flows, lightning strikes, fires, wars, armed conflicts, typhoons, hurricanes, tornadoes, and extreme weather conditions ● Operation beyond the conditions specified in this document Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 9 D ANGER During operations, use dedicated insulated tools to prevent electric shocks or short circuits. The insulation and voltage resistance must comply with local laws, regulations, standards, and specifications. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 10 – Trained personnel: personnel who are trained in technology and safety, have required experience, are aware of possible hazards on themselves in Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 12 Do not expose batteries at high temperatures or around heat sources, such as scorching sunlight, fire sources, transformers, and heaters. Battery overheating may cause leakage, smoke, flammable gas release, thermal runaway, fire, or explosion. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 14 After batteries are discharged, charge them in time to avoid damage due to overdischarge. WARNING If the electrolyte leaks, absorb and neutralize the electrolyte immediately. Exercise caution when moving or handling a lead-acid battery with electrolyte leakage to avoid electrolyte hazards. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 15 – Batteries are not transported, stored, or charged according to the instructions in the user manual. – Instructions from the Company are not followed during battery relocation or reinstallation. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 16 ● Check whether the positive and negative battery terminals are grounded unexpectedly. If so, disconnect the battery terminals from the ground. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 17 Intake: Seek immediate medical attention. Special requirements for lead-acid batteries: NO TICE When the battery temperature exceeds 60°C, check whether the electrolyte leaks. If the electrolyte leaks, take proper measures promptly. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 18 WARNING For the equipment that needs to be grounded, install the ground cable first when installing the equipment and remove the ground cable last when removing the equipment. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 19 (The marks must cross the edges of the bolts.) ● After the installation is complete, ensure that protective cases, insulation tubes, and other necessary items for all electrical components are in position to avoid electric shocks. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 20 When selecting, installing, and routing cables, follow local safety regulations and rules. ● The flame spread rating of cables shall meet the UL 1581 VW-1 or IEC 60332-3-22 (ZB) or higher requirements. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 21 When touching the equipment and handling boards, modules with exposed circuit boards, or application-specific integrated circuits (ASICs), observe ESD protection regulations and wear ESD clothing and ESD gloves or a well- grounded ESD wrist strap. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 23 ● Do not perform construction that will adversely affect the operating environment of the equipment during equipment operation, such as Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 24 Do not install other devices on the top of the equipment without evaluation by the Company. ● When performing operations above the equipment, take measures to protect the equipment against damage. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 25 ● Choose sea or roads in good conditions for transportation. Do not transport batteries by railway or air. Avoid tilt or jolt during transportation. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 26 The standard and long backup time backup time models are abbreviated to 3 kVA model-rack when their common features or mounted-IEC parameters need to be described. UPS2000-G-3KRTL 3K-long backup time model-rack mounted-IEC Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 27 ● L: long backup time model, using external large- capacity battery packs that provide long backup time 2.2 Working Principle Figure 2-2 shows the UPS conceptual diagram. Figure 2-2 Conceptual diagram Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 28 (4) RS232 port (3) USB port (protected by a security mechanism) (5) Optional card slot (6) Output socket (C13) (7) External battery connector (only for long backup time models) Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 29 Figure 2-7 Rear view of a 3 kVA UPS with standard backup time (1) Mains input socket (C20) (2) Input circuit breaker (4) RS232 port (3) USB port (protected by a security mechanism) (5) Optional card slot (6) Output socket (C13) Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 30 BB01 strings. Each string the 1 kVA UPS contains three 9 with long Ah/12 V DC backup time. batteries. The output voltage of the battery pack is 36 V Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 31 CHG-72V12A-01B Applicable to the 2 kVA UPS with long backup time. CHG-96V10A-01B Applicable to the 3 kVA UPS with long backup time. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 32 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 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 33 27.9 kg UPS2000-G-3KRTL 88 mm x 438 mm x 410 9.2 kg 3.2 Environmental Specifications Table 3-2 Environment specifications Item 1 kVA 2 kVA 3 kVA Operating 0–40°C temperature Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 34 Table 3-4 Bypass Input Electrical Specifications Item 1 kVA 2 kVA 3 kVA Bypass voltage 170 V –264 V AC tolerance Bypass frequency 47–53 Hz or 57–63 Hz tolerance Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 35 ● In battery mode, the frequency is 50 Hz or 60 Hz (tolerance ±0.05%). Total distortion of output ● < 6% (non-resistive load) voltage waveform (THDv) ● < 3% (resistive load) Crest factor A maximum of 3:1 Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 36 Dynamic voltage transient ±5% Average frequency tracking 1 Hz/s rate Transfer time Transferring from normal mode to battery mode Bypass to 4 ms (100% resistive load) ECO or ECO to bypass Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 37 Standar 17 µA 25.7 µA 27.4 µA leaka backup time curre model Long 25.4 µA 28.5 µA 32.8 µA backup time model Battery type 12 V DC VRLA battery Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 38 Char Standar rated backup charg time model curre Long backup time model Float Standar 27.3 V DC±1% 54.7 V DC±1% 82.1 V DC±1% charg backup volta time model Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 39 47.0 25.0 25.0 83.0 45.0 45.0 159.0 85.0 85.0 Three 39.0 27.0 battery 55.0 40.0 packs 95.0 70.0 175.0 130.0 Four 63.0 39.0 battery 87.0 55.0 packs 147.0 95.0 Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 40 Table 3-9 System electrical specifications Item 1 kVA 2 kVA 3 kVA Number of UPSs Parallel connection is not supported. connected in parallel System efficiency System leakage Max. 3.5 mA current Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 41 (PMS) Harmonic current IEC 61000-3-12 Flicker IEC 61000-3-11 (input current > 16 A) Impact current ● IEC/EN 60240-2 (lightning protection) ● IEC/EN 61000-4-5 ● YD/T 1095-2000 ● YD/T 944-2007 Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 42 UPS2000-G-(1 kVA-3 kVA) User Manual 3 Technical Specifications NO TE The preceding test results are generated when the UPS works with Huawei battery packs. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 44 4.2 Tools The onsite operation personnel can select tools based on the site requirements. Personal protective equipment Safety helmet Goggles Protective shoes Reflective vest ESD gloves Insulated gloves Protective gloves Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 45 (2 mm) (M4/M6) Cable installation tools Wire stripper RJ45 crimping Electro-hydraulic Heat gun tool pliers Cord end terminal Diagonal pliers Crimping tool Hydraulic pliers crimping tool Cable cutter Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 46 3 kVA UPS need 2 U space separately. The installation method for 1 kVA UPS, 2 kVA UPS, and 3 kVA UPS are the same. This section uses a 3 kVA UPS as an example. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 47 Place the UPS on the bases. Adjust the positions of the UPS and its bases to ensure that the UPS is horizontally placed. Figure 4-3 Tower-mounting the UPS Figure 4-4 Tower-mounting the UPS Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 48 Check that all cable connections are correct. Reinstall the small protective cover on the rear panel. Figure 4-5 UPS2000-G-1KRTS output cable connection Figure 4-6 UPS2000-G-1KRTL output cable connection Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 49 Connect battery cables. (This step is for the UPS with long backup time. The UPS with standard backup time has built-in batteries and does not have external battery ports.) Figure 4-11 UPS2000-G-3KRTL battery pack cable connection Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 50 1 kVA, 2 kVA, and 3 kVA UPSs. This document uses the 3 kVA UPS as an example. Figure 4-12 Position for installing an optional card for the UPS2000-G-3KRTS Figure 4-13 Position for installing an optional card for the UPS2000-G-3KRTL Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 51 ● To monitor the UPS on a PC, you need to install the monitoring software iManager NetEco 1000U. Take out the input power cable from the delivery accessories and connect the mains input power cable to the UPS. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 52 4 Installation and Cable Connection Figure 4-16 UPS2000-G-1KRTS input cable connection Figure 4-17 UPS2000-G-1KRTL input cable connection Figure 4-18 UPS2000-G-2KRTS input cable connection Figure 4-19 UPS2000-G-2KRTL input cable connection Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 54 UPS2000-G-(1 kVA-3 kVA) User Manual 4 Installation and Cable Connection Item Acceptance Criterion Operating environment The inside and outside of the cabinet are free from conductive dust or other foreign matter. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 55 UPS, view the running status, set parameters, and view alarms. Figure 5-1 LCD panel Table 5-1 Icon description Icon Function Backup time information Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 56 Indicates that the UPS works in normal mode. Indicates that the UPS works in battery mode. Indicates that batteries are being charged. Indicates that the UPS is in bypass mode. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 57 Battery mode Beeps once every four seconds. Minor alarm Beeps once every second. Overload Beeps twice every second. Critical alarm Continuously buzzes. Bypass mode Beeps once every 10 seconds. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 58 Frequency conversion Temperature Charging Bypass frequency unstable EEPROM error Voltage Frequency Bypass overvoltage Bypass undervoltage Capacity Discharge time ECO mode High voltage Low voltage Converter mode Buzzer off Automatic startup Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 59 5.4 Buttons The control panel provides three buttons to start and shut down the UPS, and view and set parameters. Figure 5-2 Buttons on the UPS control panel Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 60 3s to confirm the setting. ● Manually clearing alarms: When alarms that can be manually cleared exist, hold down the OFF/ ENTER button for more than 2s to manually clear the alarms. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 61 ● In normal mode, press the SELECT button twice and release the button within 3s each time. Then you can view the input, output, and battery information. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 62 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 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 63 220: The output voltage is 220 V AC (default). 230: The output voltage is 230 V AC. 240: The output voltage is 240 V AC. ● Converter mode enable/disable Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 64 NO TE The maximum input voltage in bypass mode must be higher than the maximum voltage allowed in ECO mode. ● Setting the minimum input voltage in bypass mode Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 65 Set the discharge time limit: 0–999: The time can be set from 0 minutes to 999 minutes. 0: The backup time is not limited (default). ● ECO mode enable/disable Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 66 13 V AC to –24 V AC (–22 V AC by default). ● Buzzer off setting Display Setting Enable or disable the buzzer off function: ENA: The buzzer is muted. DIS: The buzzer is unmuted (default). Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 67 Press ▲ or ▼ to switch between different screens. On the ESC screen, press the OFF/ENTER button to exit. (The default value is 192.168.0.10.) ● Subnet mask display Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 68 Set the no battery alarm function: ENA: The no battery alarm is not reported. DIS: The no battery alarm is reported (default). ● Exit setting Display Setting Exit from the parameter settings screen. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 69 When the input voltage is abnormal or an outage occurs, the UPS transfers to battery mode, the buzzer beeps once every 4 seconds, and the UPS uses batteries to supply power. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 70 5.7 Alarm Handing NO TE When an alarm can be manually cleared, hold down the OFF/ENTER button for more than 2 seconds to manually clear the alarm. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 71 Measure: Reduce the output load, manually clear the alarm, and restart the UPS. ● Possible cause: An internal fault has occurred. Measure: Contact the dealer or Huawei technical support. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 72 ● Possible cause: The cleare batteries are in poor contact. Measure: Check the battery cable connection. If battery cables are loose, connect them securely. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 73 When the ally battery cleare undervoltage alarm is after generated, the automatically transf transfers to ers to normal mode batte and starts the charger for mode charging. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 76 ● Possible cause: An overload occurred when the input voltage was low. Measure: Rectify the fault and restart the UPS. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 77 UPS manu 75% of the transfers to ally rated output bypass mode. cleare voltage, and the output current is lower than 60% of the rated output current. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 78 ● Possible cause: The negative bus UPS supplies power voltage is 100 to half-wave loads. Measure: Check that the load types are supported by the UPS. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 79 Measure: Contact the manu below 10 V dealer or Huawei ally when the technical support. cleare charger has no output and the UPS inverter is started. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 80 UPS is not load capacity of the auto 110% of the affected. bypass. matic rated load. Measure: Lower the ally load or replace the cleare UPS with a larger- capacity UPS. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 81 20 minutes after the transfers from normal mode to bypass mode. ● In normal mode, when the bypass input is abnormal, this alarm generated when the Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 82 UPS manually. ● Possible cause: The load exceeds the rated load capacity of the inverter. ● Measure: Lower the load or replace the UPS with a larger- capacity UPS. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 83 If the mains input is abnormal. mode, the UPS abnormal, wait until auto may power off if the mains input matic the batteries are recovers. ally abnormal. cleare Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 84 Table 5-7 Alarm indication Alarm Display (Blinking) Buzzer Insufficient battery Beeps once every second. capacity Overload Beeps twice every second. Battery disconnection Beeps once every second. Overcharge Beeps once every second. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 85 The input voltage range for the mains to start the UPS is 120-280 V AC. The input voltage range for batteries to start the UPS is (Number of batteries x 10.8 V DC) to (Number of batteries x 14 V DC). Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 86 SELECT button for more than 3s to go to the next option after a beep sound; and hold down the OFF/ENTER button for more than 3s to confirm the setting. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 88 ON/MUTE and SELECT both for 5 seconds to enable the UPS enter the bypass mode. If the input voltage exceeds the acceptable range, the UPS will not enter the bypass mode. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 89 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 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 90 Table 7-1 UPS storage specifications 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 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 91 ● Use insulated tools when maintaining internal devices. Only trained personnel are allowed to perform maintenance. ● Maintain UPSs regularly based on the following requirements. Otherwise, the UPSs may fail to operate properly and the lifespan may be shortened. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 92 ● Replace the Quarterly terminals layers of cables cables. (between the UPS are intact and ● Secure the and external terminals are free output power distribution from noticeable terminals. equipment) sparks. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 93 Ensure that the battery discharge duration is 999 minutes at most and 0 minutes by default. If you set the value to 0 minutes, the discharge time is not limited. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 94 2. If the fault lower than persists, battery contact temperature + Huawei 20°C. technical support. 3. Battery charge and discharge conditions meet the requirements specified in the battery specifications. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 96 Huawei technical indicating tight support. connections does not change. Cables between No cable Replace the faulty Quarterly batteries deteriorates and cable. the insulation layer does not crack. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 98 (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 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 99 UPS output, and period. The UPS works in then shut down and bypass mode, and it restart the UPS. directly connects the equipment to the active power supply. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 100 SOC. If time. the battery SOC is still low, contact the dealer or Huawei technical support. Batteries are faulty. Contact the dealer or Huawei technical support to replace batteries. Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 101 Acronyms and Abbreviations economy control operation EEPROM electrically erasable programmable read-only memory HTTP HTTP-Hypertext Transfer Protocol liquid crystal display power factor correction RS232 Recommended Standard 232 SNMP Simple Network Management Protocol Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 102 UPS2000-G-(1 kVA-3 kVA) User Manual A Acronyms and Abbreviations THDv total harmonic distortion of output voltage uninterruptible power system Issue 17 (2024-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd.

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