Huawei UPS2000-G-3KRTLL User Manual
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Huawei UPS2000-G-3KRTLL User Manual

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UPS2000-G-3KRTLL
User Manual
Issue
01
Date
2020-10-26
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei UPS2000-G-3KRTLL

  • Page 1 UPS2000-G-3KRTLL User Manual Issue Date 2020-10-26 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

    User Manual About This Document About This Document Purpose This document describes the UPS2000-G-3KRTLL in terms of features, performance, appearance, structure, working principle, installation, operation, and maintenance. NO TE ● The UPS applies only to commercial and industrial use, rather than medical facilities and life support equipment.
  • Page 4 Change History Changes between document issues are cumulative. The latest document issue contains all updates made in previous issues. Issue 01 (2020-10-26) This issue is the first release. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    3.8 Verifying the Installation..............................34 4 Control Panel..........................36 4.1 LCD Introduction................................... 36 4.1.1 LCD......................................36 4.1.2 Buttons....................................39 4.1.3 LCD Screen Information..............................40 4.2 LCD Character Display................................. 42 4.3 Parameter Settings................................44 Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 7.4 Bypass Input Electrical Specifications.......................... 105 7.5 Output Electrical Specifications............................. 106 7.6 Battery Electrical Specifications............................. 107 7.7 ECO Specifications................................108 7.8 Parallel System Specifications............................109 7.9 Safety and EMC................................... 109 A Acronyms and Abbreviations................... 111 Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Safety Information

    The "NOTICE", "CAUTION", "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 8 ● 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 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 9 If there is a probability of personal injury or equipment damage during operations on the equipment, immediately stop the operations, report the case to the supervisor, and take feasible protective measures. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 10: 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 11 24 hours before they are laid out. ● Do not perform any improper operations, for example, dropping cables directly from a vehicle. ● When selecting, connecting, and routing cables, follow local safety regulations and rules. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 12: Installation Environment Requirements

    If any liquid is detected inside the equipment, immediately disconnect the power supply and contact the administrator. ● Do not expose the equipment to flammable or explosive gas or smoke. Do not perform any operation on the equipment in such environments. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Mechanical Safety

    Personnel who fail to stop violations will be forbidden from working. 1.5 Mechanical Safety Hoisting Devices ● Do not walk under hoisted objects. ● Only trained and qualified personnel should perform hoisting operations. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 14 Ensure that the wider end of the ladder is at the bottom, or protective measures have been taken at the bottom to prevent the ladder from sliding. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 D ANGER When removing a heavy or unstable component from a cabinet, be aware of unstable or heavy objects on the cabinet. ● Be cautious to avoid injury when moving heavy objects. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 16: Device Running Safety

    The UPS operating environment must meet the requirements for the climate indicator, mechanically active substance indicator, and chemically active substance indicator in ETSI EN 300 019-1 class 3.6. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 17 ● Environments that are conducive for the growth of microorganisms such as fungus or mildew ● Environments where rodents (such as mice) and insects exist Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Battery Safety

    NO TICE 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 19: 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 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 20: System Composition

    Figure 2-1 UPS model number Table 2-2 UPS model number details Meaning Description Product UPS: uninterruptible power system category Product 2000 family Product G: series name series Output 3K: 3 kVA capacity Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 21: Working Principle

    External L: LFP battery battery type 2.2 Working Principle Figure 2-2 Conceptual diagram 2.3 Product Structure Figure 2-3 Front and rear views of a 3 kVA UPS Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 22: Communication Ports

    2.4 Communication Ports Figure 2-4 RS232 port pins Table 2-3 RS232 port pin definitions Meaning Reserved pin UPS transmit terminal for RS232 data communication UPS receive terminal for RS232 data communication Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 23 Meaning Description Data+ Pins 1 and 4 are short-circuited; pins 2 and 5 are short-circuited; Data– communicating with the lithium battery Reserved pin Supports the baud rate of 9600 Data+ bit/s. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 24: Battery Module

    2. The ports use RJ45 port terminals and provide the 1000 A surge protection capability. Running indicator For details about indicator functions, see the LED Alarm indicator indicator description. Charge indicator Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 25 25 mm . If the ESM is used at a temperature below 45°C, the cable size can be smaller but should be at least 16 mm LED Indicators Figure 2-7 LED indicators Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 Steady on: The ESM is being charged. indicator Steady off: The ESM is open-circuited or discharging. DCHG Discharge Green Steady on: The ESM is being indicator discharged. Steady off: The ESM is open-circuited or being charged. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 27 Activation through the power port: Supply the DC input voltage of 43.2–58 V (50 Ah), 43.2–58 V (100 Ah), or 43.2–59 V (150 Ah) to the power terminal on the front panel for at least 5s. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 28 2. If you have powered off the ESM that is in charging, discharging, or disconnected mode by holding down the MANUAL ON/OFF button, you need to hold down this button again to reactivate the ESM. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Installation

    30°C shorten the battery lifespan, and operating temperatures lower than 20°C reduce the battery backup time. Installation Clearances Reserve a clearance of at least 500 mm from the front and rear of the chassis. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 30: Installation Tools

    Appearance, Specifications, and Name Clamp meter Multimeter Labels Phillips screwdriver (PH2 x 150 mm or PH3 x 250 mm) Flat-head Torque Crimping tool Diagonal pliers screwdriver (2 screwdriver mm x 80 mm) Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Installing A Ups

    Install the mounting ears on both sides of the UPS. Install the guide rails on the rack, and then install the UPSs and batteries with mounting ears on the rack. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 UPS2000-G-3KRTLL User Manual 3 Installation Figure 3-2 Rack-mounted installation (two UPSs and two lithium batteries) Figure 3-3 UPS mounting ear dimensions (unit: mm) Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 33: Preparing Power Cables

    ● If customers purchase input and output power cables by themselves, use the cables that comply with standards proposed by the Underwriters Laboratories (UL) or International Electrotechnical Commission (IEC). ● When selecting, connecting, and routing power cables, follow local safety regulations and rules. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Installing Cables For A Single Ups

    UPS. Install a build-out resistor at the COM-OUT port on the last lithium battery. NO TE ● The UPS2000-G-3KRTLL needs to connect to external lithium batteries. Each UPS supports a maximum of eight batteries connected in parallel. This document uses two lithium batteries connected in parallel as an example.
  • Page 35 UPS2000-G-3KRTLL User Manual 3 Installation Figure 3-5 Installing battery cables (rack-mounted, front view) (1) UPS rear view (2) Busbar Figure 3-6 Installing battery cables (rack-mounted, rear view) Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 36: Installing Cables For Parallel Upss

    UPS. Install AC output power cables, AC input power cables, and then battery input cables in sequence. Figure 3-8 AC input, AC output, and battery input wiring diagram (sharing battery strings) Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 UPS. Install a build-out resistor at the COM-OUT port on the last lithium battery. ● UPS sharing battery strings Figure 3-10 Installing battery cables (rack-mounted, front view) (1) UPS rear view (2) Busbar Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 38 UPS2000-G-3KRTLL User Manual 3 Installation Figure 3-11 Installing battery cables (rack-mounted, rear view) ● UPS not sharing battery strings Figure 3-12 Installing battery cables (rack-mounted, front view) (1) UPS rear view Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 39: Installing Communications Cables

    Figure 3-13 Installing battery cables (rack-mounted, rear view) Figure 3-14 Installing parallel communications cables and parallel current equalization cables (1) Parallel current equalization cables (2) Parallel communications cables 3.7 Installing Communications Cables Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 40: Verifying The Installation

    UPS ground cable and the equipment room ground bar. The resistance is less than 0.1 ohm. Spacing between cable ties Distances between cable ties are the same, and no burr exists. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 41 UPS2000-G-3KRTLL User Manual 3 Installation Item Expected Result Operating environment The inside and outside of the cabinet are free from conductive dust or other sundries. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 42: Control Panel

    The UPS control panel is located on the front panel of the chassis. The control panel allows you to control and operate the UPS, view the running status, set parameters, and view alarms. 4.1.1 LCD Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 43 Indicates that the UPS is in bypass mode. Indicates that the UPS is in ECO mode. Indicates that the DC/AC inverter circuit is operating. Indicates that the output terminal is delivering power. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 44 H: hour; M: minute; S: second ● Indicates the UPS parallel connection status. ● If the icon is not displayed, the UPS is in single-node mode. Indicates that the UPS is muted. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 45: Buttons

    If you need to mute the alarm, perform the mute operation again. ● Go to the previous item: When the LCD is on, press ON/MUTE to go to the previous item. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 46: Lcd Screen Information

    The information is displayed in the following sequence: input voltage, input frequency, charge current, battery voltage, output voltage, output frequency, load percentage, DC discharge current, battery SOH, battery SOC, AC discharge current, and CPU version. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 47 Table 4-3 LCD screen information Display Description Input voltage/Output voltage (default screen) Input frequency/Output voltage Battery voltage/Output frequency Battery voltage/Load percentage (< 3% as shown in the figure) Charge current/AC discharge current Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 48: Lcd Character Display

    For details about how to upgrade the software version, visit https:// support.huawei.com/carrier/docview? nid=DOC1100723472 to download the upgrade guide. 4.2 LCD Character Display Table 4-4 LCD character display description Abbreviation Display Meaning Communication address Battery not connected Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 49 Shallow discharge test Float charge voltage Frequency Manual alarm clearance Host New (not connected to the parallel system) Set the number of parallel UPSs Password input Restore factory settings Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 50: Parameter Settings

    Lockout Duration Display Password Attempts 3 ≤ Attempts < 1 minute 5 ≤ Attempts < 5 minutes (4 minutes and 59 seconds are displayed as 4, and seconds are not displayed.) Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 51 4 Control Panel Incorrect Lockout Duration Display Password Attempts 10 ≤ Attempts 60 minutes (59 minutes and 59 seconds are displayed as 59, and seconds are not displayed.) Figure 4-2 Password input screen Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 230 V AC (default value). 240: indicates that the output voltage is 240 V Set the number of ● Default value: 1 parallel UPSs ● Value range: 1–2 Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 53 UPS. Output frequency You need to shut down the inverter before changing the output frequency. ● 50 Hz (default) ● 60 Hz Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 1% each time you press SELECT. Buzzer off setting Enable or disable the buzzer off function. ENA: Enable the buzzer off function. DIS: Disable the buzzer off function (disabled by default) Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 55 SELECT. When the lithium battery is communicating, the UPS automatically adapts to the equalized charging voltage based on the connected lithium battery model. The value is fixed and cannot be changed. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 56 Set the The default communications communications address address is 001, which is used for the RS485 communications ports (connect to northbound devices). Set different communications addresses for parallel UPSs. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 ● On the password login screen, press and hold ON/MUTE, SELECT, and OFF/ ENTER at the same time for 3s to restore the initial password. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 58 SOC is 100%. Battery string ENA: Enable battery sharing string sharing (default). DIS: Disable battery string sharing. Exit the setting ESC: Exit the setting mode mode. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 59: Operating Modes

    Not charging batteries Bypass mode The UPS supplies Charging batteries with mains power mains power. The mains power can be used to charge batteries. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 The mains power can be used to charge batteries. Not charging batteries Fault mode The UPS supplies Not charging batteries; supplying mains mains power through power through the bypass the bypass. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 61: Alarm Types

    The UPS also charges batteries if they are connected. Charging batteries with mains power Battery The UPS supplies Supplying only battery power mode battery power. 4.5 Alarm Types 4.5.1 Critical Alarms Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 62 Bus soft-start failure PFC overcurrent Output overcurrent Bus undervoltage UPS soft-start failure DC overvoltage in AC output Current sensor fault Output undervoltage Load backfeed Inconsistent parallel versions Parallel current equalization fault Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 63: Minor Alarms

    Table 4-9 Minor alarms Code Display Meaning Fan locked during UPS startup Battery voltage below the EOD threshold Manual bypass activated Phase lock failure Bypass voltage or frequency abnormal Low lithium battery level Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 The inverter switch is off in ECO mode. The number of started inverters is insufficient to carry the load. Output in battery mode Inconsistent battery capacity Lithium battery high voltage protection Lithium battery fault Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 Meaning Lithium battery exception protection Lithium battery communication unavailable Lithium battery reverse connection protection ECO missing Inconsistency between lithium battery capacity and battery capacity setting Charger circuit overcurrent Battery not connected Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 66: Alarm Handling

    ● Possible cause: The fan is blockage. is not faulty. affecte Measure: Replace the fan. d. If overte mperat protect ion is trigger ed, the system transfe r to bypass mode. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 50°C. After the temperatu re is restored to normal, the alarm can be automatic ally cleared for three times. After that, you need manually clear the alarm. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 68 If this Measure: Send the device to connected alarm the maintenance center. properly. genera ted in battery mode, power output will be discon nected. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 69 Possible cause: The load overload time system exceeds the UPS capacity. timeou manually exceeds the discon Measure: Reduce the load. rectify the specification. nects fault or power off power output. restart the device. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 70 The open- The manual Restore the open-circuit bypass circuit bypass port is system status of the manual bypass activat status of short-circuited. transfe port. rs to manual bypass bypass is mode. restored. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 71 ● Check that the bypass frequency of the normal voltage and frequency recovers range. are within their normal to the tran ranges. normal sfer range. criti alar m is erat ● In disc ecte Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 72 (2 Hz/s for a single UPS and 1 Hz/s for a parallel system). Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 0°C. Huawei engineers to rectify discon ● Discharge the fault. nected, temperature protection: battery cannot minimum cell charge temperature d or is less than – dischar 20°C. ged. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 74 Add batteries. protection lithium Discharge threshold. battery current ≥ 0.98 times of the discon current limit nected, and Vbus < 17 V for 8s battery cannot charge d or dischar ged. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 0 preset value. supply reaches or restart power maxim inverter. battery mode. If this alarm genera ted in battery mode, power output will be discon nected. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 76 30 atically minutes due to switch overload. back to inverte mode. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 77 100 ms. highest thresho temperatu ld, a re of critical internal overte compone mperat nts is lower alarm than 50°C. may be trigger ed and system will transfe r to bypass mode. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 The system 20% for 10s. system load percentag transfe e is within r to 10% for bypass 10s. mode if it is overloa ded. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 79 UPSs in is insufficient to g in s is support the bypass insuffici parallel actual load. mode ent to system carry are turned cannot transfe load. r back inverte mode. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 80 Send the device to the minor alarm status maintenance center. 19.) is not affecte When battery backup time or dischar time reaches preset value, system will discon nect power output. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 81 UPS. mode, lithium battery overcur rent protect may be trigger which causes system power off. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 82 The cell temperature increases battery abnormally. cannot The cell voltage charge is severely d or unbalanced. dischar BMS board ged. circuit fault Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 83 40s. recovers. backup lithium time battery display commu ed are nicatio inaccur ate, failure functio n fails (lithiu battery voltage boostin g and current limitin Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 ECO mode. mode. range in If the UPS is mode. workin g in bypass mode, transfe rs to anothe workin mode. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 85 ● Possible cause: The circuit inverte ● Inverter is faulty. r and started: The Measure: Send the device to transfe PFC current the maintenance center. rs to exceeds 65 A bypass for 260 μs. mode. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 86 10s. inverte voltage r and during restart the transfe startup device. rs to bypass mode. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 87 ● Possible cause: The circuit r and is faulty. restart the transfe Measure: Send the device to device. rs to the maintenance center. bypass mode. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 1200 W for 100 inverte r and restart the transfe device. rs to bypass mode. If other UPSs in parallel system deliver output inverte mode, that genera ted the alarm deliver s no output. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 Otherw ise, the transfe rs to bypass mode becaus e the numbe r of parallel UPSs is inconsi stent. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 90 If other UPSs in parallel system deliver output inverte mode, that genera ted the alarm deliver s no output. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 91 Otherw ise, the transfe rs to bypass mode becaus e the numbe r of parallel UPSs is inconsi stent. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 92 Measure: Check the cable device. rs to connection. bypass mode. If other UPSs in parallel system deliver output inverte mode, that genera ted the alarm deliver s no output. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 93 If other UPSs in parallel system deliver output inverte mode, that genera ted the alarm deliver s no output. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 94 If other UPSs in parallel system deliver output inverte mode, that genera ted the alarm deliver s no output. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 120 ms. transfe standalon rs to e mode. bypass mode. If other UPSs in parallel system deliver output inverte mode, that genera ted the alarm deliver s no output. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 The EPO port is Check and restore the EPO trigger open- short-circuited. system port status. circuit switche status s off needs to output restored and the enters alarm needs to fault mode. manually cleared. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 97: Operations

    ● If no batteries are connected to the UPS of the long backup time model, the buzzer keeps buzzing. ● To prevent triggering overload protection, start the loads with higher power and then loads with lower power. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 98: Start The Ups Using Mains Power

    Press and hold SELECT for 1s on a non-setting screen to access the login screen for parameter settings. The initial password is 000001. Enter the correct password to access the UPS setting mode. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 99 220: indicates that the output voltage is 220 V AC. 230: indicates that the output voltage is 230 V AC (default value). 240: indicates that the output voltage is 240 V AC. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 100: Cold-Starting The Ups Using Batteries

    SELECT for 1s on a non-setting screen to access the login screen for parameter settings. The initial password is 000001. Enter the correct password to access the UPS setting mode. Figure 5-5 Standby mode Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 101 The UPS starts to work in battery mode. Figure 5-6 Battery mode Step 6 After you ensure that the UPS runs properly, switch on the AC output circuit breaker Q for the UPS to start the load. ----End Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 102: Shutting Down A Ups

    Turn on the EPO switch (provided by the customer). The UPS enters the EPO state. That is, the UPS shuts down the inverter, and does not transfer to the bypass mode. Figure 5-7 EPO cable connection on a single UPS Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 103: Parallel System Operations

    SELECT for 1s on a non-setting screen to access the login screen for parameter settings. The initial password is 000001. Enter the correct password to access the UPS setting mode. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 104 Step 4 Operate the UPSs one by one to set the number of parallel output UPSs. Press SELECT, go to the setting screen, and set parallel system parameters. Press ON/ MUTE+SELECT to return to the standby screen. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 105: Cold-Starting The Upss Using Batteries

    Step 4 Operate the UPSs one by one to set the number of parallel output UPSs. Press SELECT, go to the setting screen, and set parallel system parameters. Press ON/ MUTE+SELECT to return to the standby screen. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 106: Shutting Down A Parallel System

    Step 3 Switch off the general AC input circuit breaker K and the general AC output circuit breaker Q of the UPS system. After all indicators turn off and fans stop, the UPSs shut down, and the loads power off. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 107: Performing Epo

    Turn on the EPO switches (provided by the customer). The UPSs enter the EPO state. That is, the UPSs shut down the inverters, and do not transfer to the bypass mode. Figure 5-10 EPO cable connection in a parallel system Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 108: Ups Maintenance

    ● Humidity: 0– check the air 95% RH (non- conditioner condensing) status. ● If the input voltage is abnormal, check the power grid status and input cable connection. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 109 ● Secure the and external terminals are free output power distribution from noticeable terminals. equipment) sparks. Battery self-check No battery alarm Identify the Yearly is generated. causes based on the alarm information. Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 110: Technical Specifications

    0–1000 m When the altitude is greater than 1000 m but less than 4000 m, the power should be derated. For details, see IEC 62040-3. Storage and –40°C to +70°C transportation temperatures Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 111: Mains Input Electrical Specifications

    320 V AC input, no damage to the UPS (at least 2 hours) voltage 7.4 Bypass Input Electrical Specifications Table 7-4 Bypass input electrical specifications Item Specifications Bypass input 220 V AC/230 V AC/240 V AC voltage Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 112: Output Electrical Specifications

    ● Maximum efficiency: ≥ 93% ● 100% load: ≥ 93%; 50% load: ≥ 92%; 30% load: ≥ 90% Waveform (battery mode) Sine wave THDv ● < 7% (non-resistive loads) ● < 3% (resistive loads) Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 113: Battery Electrical Specifications

    ≤ 5% (0–100%, 100%–0% load change) Output regulated voltage precision Load detection precision 7.6 Battery Electrical Specifications Table 7-6 Battery electrical specifications Item Specifications Battery type Lithium battery (external), supported models: ESM-4850A3, ESM-48100B1, and ESM-48150B1 Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 114: Eco Specifications

    DC-DC inside the BMS. The UPS does not distinguish the equalized charge voltage from the float charge voltage. Operating Charge: 0°C to 45°C; discharge: –20°C to +45°C temperature Humidity 5%–95% RH 7.7 ECO Specifications Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 115: Parallel System Specifications

    IEC 61000-2-2 immunity ESD immunity IEC 61000-4-2 Conducted IEC 61000-4-6 susceptibility (CS) Radiated susceptibility IEC 61000-4-3 (RS) Electrical fast IEC 61000-4-4 transient/burst Surge IEC 61000-4-5 Power frequency IEC 61000-4-8 magnetic field Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 116 User Manual 7 Technical Specifications Item Standards Compliance Harmonic current IEC 61000-3-12 Voltage dip IEC 61000-3-11 Impact current (surge ● IEC/EN 60240-2 protection) ● IEC/EN 61000-4-5 ● YD/T 1095-2000 ● YD/T 944-2007 Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 117: A Acronyms And Abbreviations

    HTTPS Hypertext Transfer Protocol Secure liquid crystal display large-scale integrated management information base Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 118 RS485 Recommend Standard 485 SELV safety extra-low voltage Secure Shell THDv total harmonic distortion of output voltage telecommunication network voltage uninterruptible power system Universal Serial Bus VRLA valve regulated lead acid Issue 01 (2020-10-26) Copyright © Huawei Technologies Co., Ltd.

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