Huawei UPS2000-A-1KTTS User Manual

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UPS2000-A-(1 kVA-3 kVA)

User Manual

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Date

2024-01-30

HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.

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Page 1 UPS2000-A-(1 kVA-3 kVA) User Manual Issue Date 2024-01-30 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 3: About This Document
Indicates a potentially hazardous situation which, if not avoided, could result in equipment damage, data loss, performance deterioration, or unanticipated results. NOTICE is used to address practices not related to personal injury. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 4 ● Added an external dry contact card. 2016-05-15 ● Updated electrical specifications. ● Updated the function of the ON/ MUTE button. ● Added the automatic startup setting. ● Updated the display of battery backup time. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 5 ● Added the shortcut keys for exiting the setting screen and alarm screen. 2015-10-20 Updated the description about functional buttons. 2015-08-29 Updated chapter "Routine Maintenance." 2015-06-25 This issue is the first official release. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 6: Table Of Contents
4 Installation and Cable Connection..................34 4.1 Installation Preparations..............................34 4.2 Tools......................................35 4.3 Installing UPS..................................37 4.4 Connecting Cables to a UPS..............................38 4.5 Installation Verification............................... 42 5 Setting Control Panel......................44 Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 7 7 Maintenance and Storage....................79 7.1 Maintenance................................... 79 7.2 Storage..................................... 79 8 Routine Maintenance......................80 8.1 UPS Maintenance..................................80 8.2 Battery Maintenance................................82 9 Troubleshooting........................88 A Acronyms and Abbreviations..................... 90 Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 8: Safety Information
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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 9: Personal Safety
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 (2024-01-30) 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 12: Battery Safety
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 (2024-01-30) 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 (2024-01-30) 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 (2024-01-30) 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 (2024-01-30) 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 18: Electrical Safety
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 (2024-01-30) 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 (2024-01-30) 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 (2024-01-30) 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 23 Install protective devices at the door of the equipment room to prevent rodents and insects from entering the room. ● After installing the equipment, remove idle packing materials such as cartons, foam, plastics, and cable ties from the equipment area. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 24: Mechanical Safety
When performing operations above the equipment, take measures to protect the equipment against damage. ● Use correct tools and operate them in the correct way. Moving Heavy Objects ● Be cautious to prevent injury when moving heavy objects. Issue 17 (2024-01-30) 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 26: Product Overview
UPS2000-A-2KTTS 2K-standard backup time model-tower mounted- UPS2000-A-2KTTL 2K-long backup time model-tower mounted- UPS2000-A-3KTTS 3K-standard backup time model-tower mounted- UPS2000-A-3KTTL 3K-long backup time model-tower mounted- Figure 2-1 UPS model number Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 27: Working Principle
UPS conceptual diagram. Figure 2-2 Conceptual diagram 2.3 Product Structure Figure 2-3 shows the rear views of 1–3 kVA UPSs with standard backup time and and long backup time respectively. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 28 The USB port supports the standard Modbus protocol and can be connected to the network management system (NMS) through a USB cable. The port is also protected by a security mechanism. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 29: Optional Components
Provides dry contact signals and manages the UPS remotely. External dry RMS-RELAY02B Provides dry contact Used together with contact card signals and manages the an SNMP card. UPS remotely. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 30 UPS and damaging the UPS. In addition, the OVCD provides extra input surge voltage absorbing capability and input filtering capability. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 31: Technical Specifications
1 kVA 2 kVA 3 kVA Operating 0°C–40°C temperature Humidity 0%–95% RH (non-condensing) Altitude < 1000 m Storage and –40°C to +70°C (battery pack: –20°C to +40°C) transportation temperature Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 32: Mains Input Electrical Specifications
● 280 V AC±5% (load rate: 80%–100%; transfer to battery mode after 15 minutes) vers volt ● 290 V AC±5% (load rate: less than 80%) hest ● 270 V AC±5% (load rate: greater than 80%) reco very volt Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 33: Bypass Input Electrical Specifications
The upper and lower thresholds of bypass voltage tolerance are configurable on the LCD. 3.5 Output Electrical Specifications Table 3-5 Output electrical specifications Item 1 kVA 2 kVA 3 kVA Rated capacity 1000 VA/800 2000 VA/1600 3000 VA/2400 Output power factor (PF) Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 34 ● 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 35 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 36: Battery Electrical Specifications
Long 25.4 µA 28.5 µA 32.8 µA backup time model Battery type 12 V DC VRLA battery Battery Standard 9 Ah capacit backup time model Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 37 Long 41.0 V DC±1% 82.1 V DC±1% 109.4 V DC±1% backup time model Equaliz Standard 28.3 V DC±1% 56.6 V DC±1% 84.9 V DC±1% backup chargin time model voltage Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 38: 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 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 39: System Electrical Specifications
IEC 61000-2-2 ESD immunity IEC 61000-4-2 Conducted emission IEC 61000-4-6 Radiated susceptibility IEC 61000-4-3 (RS) Electrical fast IEC 61000-4-4 transient/burst (EFT/B) Surge IEC 61000-4-5 Power magnetic IEC 61000-4-8 susceptibility (PMS) Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 40 ● IEC/EN 60240-2 (lightning protection) ● IEC/EN 61000-4-5 ● YD/T 1095-2000 ● YD/T 944-2007 NO TE The preceding test results are generated when the UPS works with Huawei battery packs. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 41: Installation And Cable Connection
UPS. ● Reserve a clearance of at least 500 mm from the front and rear of the chassis. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 42: Tools
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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 43 (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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 44: Installing Ups
4.3 Installing UPS Procedure Visually inspect the UPS packing box for shipping damage. Open the UPS package, compare with the packing list to check all attachments are complete for UPS. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 45: Connecting Cables To A Ups
For output by terminals, perform the following steps to connect cables: Remove the small protective cover from the wiring terminal. You are advised to use 2.5 mm power cables. iii. Check that all cable connections are correct. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 46 UPS2000-A-(1 kVA-3 kVA) For details about battery box installation, see the Battery Box Quick Installation Guide . Figure 4-5 Connecting battery cables to the UPS Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 47 MODBUS01B User Manual . Figure 4-6 Installing an optional card on the UPS (standard backup time model) Figure 4-7 Installing an optional card on the UPS (long backup time model) Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 48 ● You can use either USB or RS232. ● To monitor the UPS over a PC, also need to install the monitoring software iManager NetEco 1000U. Connect the UPS input power cable. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 49: Installation Verification
Cable connections for USB Cables to USB ports and network ports are ports and network ports connected correctly and securely. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 50 Distances between cable ties are the same, ties and no burr exists. Operating environment The inside and outside of the cabinet are free from conductive dust or other foreign matter. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 51: Setting Control Panel
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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 52 Indicates that the UPS works in normal mode. Indicates that the UPS works in battery mode. Indicates that batteries are being charged. Displays that the UPS is in bypass mode. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 53: Buzzer Alarm Tones
Battery mode Beeps once every four seconds. Minor alarm Beeps once every second. Overload Beeps twice every second. Critical alarm Buzzes continuously. Bypass mode Beeps once every 10 seconds. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 54: Character Display
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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 55: Buttons
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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 56 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 57 ● 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 58: 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 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 59 220: 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 60 230–264: The voltage can be set from 230 V AC to 264 V AC (default). NO TE The maximum input voltage in bypass mode must be higher than the maximum voltage allowed in ECO mode. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 61 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 62 13–24: The voltage can be set based on the preset output voltage from –13 V AC to –24 V AC (–22 V AC by default). ● Buzzer off setting Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 63 If an SNMP card is connected, the IP address, subnet mask, and gateway need to be set on the WebUI of the SNMP card. ● DHCP function setting Display Remarks Set the address allocation mode: ENA: enabled DIS: disabled (default) Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 64 Press ▲ or ▼ to switch between different screens. On the ESC screen, press the OFF/ENTER button to exit. (The default value is 192.168.0.1.) ● Setting the no battery alarm function Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 65: Operating Modes
AC output and charges batteries. ECO mode When the input voltage is within the preset ECO range, the UPS transfers to bypass to save energy. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 67: Alarm Handing
Hz (rated standby mode of the normal range, frequency: 50 and supplies no wait for the mains Hz) or 57–63 power. input to recover. Hz (rated frequency: 60 Hz). Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 68 ● 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 69 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 72 Huawei technical cleare support. ● Possible cause: An overload occurred when the input voltage was low. Measure: Rectify the fault and restart the UPS. Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 73 UPS, the 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 74 ● 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 75 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 76 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 77 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 78 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 79 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 80: Alarm Indication
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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 81: Operations
The input voltage range for the mains to start the UPS is 175–270 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 82: Starting The Ups
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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 84: Shutting Down The Ups
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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 85: Transferring From Bypass Mode To Normal Mode
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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 86: Maintenance And Storage
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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 87: Routine Maintenance
● 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 88 ● 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 89: Battery Maintenance
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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 90 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 92 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 94 (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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 95: Troubleshooting
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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 96 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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 97: A Acronyms And Abbreviations
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 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 98 UPS2000-A-(1 kVA-3 kVA) User Manual A Acronyms and Abbreviations THDv total harmonic distortion of output voltage uninterruptible power system Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

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Ups2000-a-1kttl Ups2000-a-2ktts Ups2000-a-2kttl Ups2000-a-3ktts Ups2000-a-3kttl

Huawei UPS2000-A-1KTTS User Manual

About this Document

1 Safety Information

2 Product Overview

3 Technical Specifications

4 Installation and Cable Connection

5 Setting Control Panel

6 Operations

7 Maintenance and Storage

8 Routine Maintenance

9 Troubleshooting

A Acronyms and Abbreviations

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