Huawei UPS2000-G-6KRTLL User manual

UPS2000-G-6KRTLL
User Manual
Issue 02
Date 2022-06-30
HUAWEI TECHNOLOGIES CO., LTD.

Copyright © Huawei Technologies Co., Ltd. 2022. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
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 specied in the contract, all statements,
information, and recommendations in this document are provided "AS IS" without warranties, guarantees
or representations of any kind, either express or implied.
The information in this document is subject to change without notice. Every eort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute a warranty of any kind, express or implied.
Huawei Technologies Co., Ltd.
Address:
Website:
Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
https://e.huawei.com
Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. i

About This Document
Purpose
This document describes the UPS2000-G-6KRTLL in terms of its features,
performance specications, appearance, structure, working principles, installation,
operation, and maintenance. UPS is short for uninterruptible power system.
NO TE
● The UPS applies only to commercial and industrial use, rather than medical facilities and
life support equipment.
● Figures provided in this document are for reference only.
Intended Audience
This document is intended for:
● Technical support engineers
● Hardware installation engineers
● Commissioning engineers
● Maintenance engineers
Symbol Conventions
The symbols that may be found in this document are dened as follows.
Symbol Description
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.
Indicates a hazard with a low level of risk
which, if not avoided, could result in minor
or moderate injury.
UPS2000-G-6KRTLL
User Manual About This Document
Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. ii

Symbol Description
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.
Supplements the important information in
the main text.
NOTE is used to address information not
related to personal injury, equipment
damage, and environment deterioration.
Change History
Issue Date Description
02 2022-06-30 ● Updated "Control Panel" (the initial
password is 000001) and added
"Alarm Handling."
● Updated "Operations" and optimized
the gures in the operation procedure.
● Added gures for installing PE cables.
For details, see "Installation."
01 2020-08-06 This issue is the rst ocial release.
UPS2000-G-6KRTLL
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Contents
About This Document................................................................................................................ ii
1 Safety Information.................................................................................................................. 1
1.1 Personal Safety.........................................................................................................................................................................2
1.2 Equipment Safety.................................................................................................................................................................... 3
1.2.1 UPS Safety.............................................................................................................................................................................. 3
1.2.2 Battery Safety........................................................................................................................................................................ 5
1.3 Electrical Safety........................................................................................................................................................................8
1.4 Environmental Requirements........................................................................................................................................... 10
1.5 Mechanical Safety.................................................................................................................................................................11
2 System Composition............................................................................................................. 12
2.1 Model Description................................................................................................................................................................ 12
2.2 Working Principle..................................................................................................................................................................13
2.3 Product Structure.................................................................................................................................................................. 14
2.4 Communications Ports........................................................................................................................................................ 15
2.5 Battery Module...................................................................................................................................................................... 16
3 Installation..............................................................................................................................21
3.1 Installation Preparations.................................................................................................................................................... 21
3.2 Tools.......................................................................................................................................................................................... 22
3.3 Installing a UPS..................................................................................................................................................................... 24
3.4 Preparing Power Cables...................................................................................................................................................... 26
3.5 Installing Cables for a Single UPS................................................................................................................................... 27
3.5.1 Installing AC Power Cables............................................................................................................................................ 27
3.5.2 Installing Battery Cables................................................................................................................................................. 28
3.5.3 Installing Communications Cables.............................................................................................................................. 30
3.6 Installing Cables for Parallel UPSs.................................................................................................................................. 32
3.6.1 Installing AC Power Cables............................................................................................................................................ 32
3.6.2 Installing Battery Cables................................................................................................................................................. 33
3.6.3 Installing Communications Cables.............................................................................................................................. 34
3.7 Verifying the Installation.................................................................................................................................................... 36
4 Control Panel..........................................................................................................................38
4.1 LCD Introduction................................................................................................................................................................... 38
4.1.1 LCD Panel............................................................................................................................................................................. 38
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4.1.2 Buttons.................................................................................................................................................................................. 41
4.1.3 LCD Screen Information.................................................................................................................................................. 42
4.2 LCD Character Display.........................................................................................................................................................44
4.3 Parameter Settings............................................................................................................................................................... 46
4.4 Operating Modes.................................................................................................................................................................. 56
4.5 Alarm Types............................................................................................................................................................................ 59
4.5.1 Critical Alarms.................................................................................................................................................................... 59
4.5.2 Minor Alarms...................................................................................................................................................................... 61
4.6 Alarm Handling..................................................................................................................................................................... 63
5 Operations.............................................................................................................................. 93
5.1 Checking Before Power-On................................................................................................................................................93
5.2 Single UPS Operations........................................................................................................................................................ 93
5.2.1 Starting a UPS.................................................................................................................................................................... 93
5.2.1.1 Starting the UPS Using Mains Power......................................................................................................................94
5.2.1.2 Cold-Starting the UPS Using Batteries................................................................................................................... 96
5.2.2 Shutting Down a UPS...................................................................................................................................................... 98
5.2.3 Performing EPO..................................................................................................................................................................98
5.3 Parallel System Operations............................................................................................................................................... 99
5.3.1 Starting a Parallel System.............................................................................................................................................. 99
5.3.1.1 Starting the UPSs Using Mains Power................................................................................................................. 100
5.3.1.2 Cold-Starting the UPSs Using Batteries............................................................................................................... 103
5.3.2 Shutting Down a Parallel System.............................................................................................................................. 104
5.3.3 Performing EPO............................................................................................................................................................... 105
5.4 Transferring to Maintenance Bypass Mode............................................................................................................... 106
6 UPS Maintenance................................................................................................................ 108
7 Technical Specications.....................................................................................................110
7.1 Physical Specications...................................................................................................................................................... 110
7.2 Environmental Specications......................................................................................................................................... 110
7.3 Mains Input Electrical Specications........................................................................................................................... 111
7.4 Bypass Input Electrical Specications.......................................................................................................................... 111
7.5 Output Electrical Specications..................................................................................................................................... 112
7.6 Battery Electrical Specications.....................................................................................................................................113
7.7 ECO Specications.............................................................................................................................................................. 114
7.8 Parallel System Specications........................................................................................................................................ 115
7.9 Safety and EMC...................................................................................................................................................................115
A Lithium Battery Power Backup Time............................................................................. 117
B Acronyms and Abbreviations........................................................................................... 118
UPS2000-G-6KRTLL
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1 Safety Information
Statement
Before installing, operating, and maintaining the equipment, read this document
and observe all the safety instructions on the equipment and in this document.
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. The Company will not be liable for any consequence
caused by the violation of general safety requirements or design, production, and
usage safety standards.
Ensure that the equipment is used in environments that meet its design
specications. Otherwise, the equipment may become faulty, and the resulting
equipment malfunction, component damage, personal injuries, or property
damage will not be covered under the warranty.
Follow local laws and regulations when installing, operating, or maintaining the
equipment. The safety instructions in this document are only supplements to local
laws and regulations.
The Company will not be liable for any consequences of the following
circumstances:
● Operation beyond the conditions specied in this document
● Installation or use in environments which are not specied in relevant
international or national standards
● Unauthorized modications to the product or software code or removal of the
product
● Failure to follow the operation instructions and safety precautions on the
product and in this document
● Equipment damage due to force majeure, such as earthquakes, re, and
storms
● Damage caused during transportation by the customer
● Storage conditions that do not meet the requirements specied in this
document
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1.1 Personal Safety
D ANGER
Do not work with power on during installation. Do not install or remove a power
cable with power on. Transient contact between the core of the power cable and
the conductor will generate electric arcs or sparks, which may cause a re or
personal injury.
D ANGER
Before installing, operating, or maintaining the equipment, remove conductive
objects such as watches, bracelets, bangles, rings, and necklaces to prevent electric
shocks.
D ANGER
When installing, operating, or maintaining the equipment, use dedicated insulated
tools to prevent electric shocks and short circuits.
WARNING
When installing, operating, or maintaining the equipment, wear personal
protective equipment (PPE) such as insulated gloves, safety clothing, goggles,
safety helmet, and safety shoes.
General Requirements
● Do not stop protective devices. Pay attention to the warnings, cautions, and
precautionary measures on the equipment.
● If there is a likelihood of personal injury or equipment damage during
operations, immediately stop, report the case to the supervisor, and take
feasible protective measures.
● Do not power on the equipment before it is installed or conrmed by
professionals.
● Before handling a conductor surface or terminal, measure the contact point
voltage and ensure that there is no risk of electric shock.
● Do not touch a running fan with your ngers, components, screws, tools, or
boards before the fan is powered o or stops running.
● In the case of a re, immediately leave the building or the equipment area
and activate the re alarm or call emergency services. Do not re-enter the
building or aected area until it has been deemed safe by qualied
professionals.
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Personnel Requirements
● Only professionals and trained personnel are allowed to operate the
equipment.
– Professionals: personnel who are familiar with the working principles and
structure of the equipment, trained or experienced in equipment
operations and are clear of the sources and degree of various potential
hazards in equipment installation, operation, maintenance
– Trained personnel: personnel who are trained in technology and safety,
have required experience, are aware of possible hazards on themselves in
certain operations, and are able to take protective measures to minimize
the hazards on themselves and other people
● Personnel who plan to install or maintain the equipment must receive
thorough training, understand all necessary safety precautions, and be able to
correctly perform all operations.
● Only qualied professionals or trained personnel are allowed to install,
operate, and maintain the equipment.
● Only qualied professionals are allowed to remove safety facilities and inspect
the equipment.
● Personnel who will perform special tasks such as electrical operations,
working at heights, and operations of special equipment should possess the
required local national qualications.
● Only authorized professionals are allowed to replace the equipment or
components (including software).
● Keep irrelevant people away from the equipment. Only operators are allowed
to access the equipment.
1.2 Equipment Safety
1.2.1 UPS Safety
D ANGER
During installation, operation, and maintenance, prevent foreign matter from
entering the UPS. Otherwise, equipment damage, load power derating, power
failure, or personal injury may occur.
NO TICE
The category C2 UPS may cause radio interference when used in a residential
environment. Additional measures may be needed to prevent the interference.
General Requirements
● The UPS is used for commercial and industrial purposes only. It cannot be
used as a power supply for life support devices.
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● For power supply systems that are critical to signicant economic interests or
public order, such as the national computing center, military command
system, emergency command center, railway signal system and control center,
civil aviation and air trac control center, airport command center, nancial
clearing center, and transaction center, the Tier 4 or 3 power architecture
specied in TIA-942 must be used. That is, two power supplies must be used
to supply power to loads.
● If the root mean square (RMS) of the mains voltage exceeds 320 V AC, the
UPS may be damaged.
● A UPS can be used to serve resistive-capacitive loads, resistive loads, and
micro-inductive loads. It is recommended that a UPS not be used for pure
capacitive loads, pure inductive loads, and half-wave rectication loads. A UPS
does not apply to regeneration loads.
● The UPS can be congured with a backfeed protection dry contact to work
with an external automatic circuit breaker, preventing the voltage from
owing back to input terminals over static bypass circuits. If the installation
and maintenance personnel do not need backfeed protection, paste labels on
external mains and bypass input switches, informing that the UPS is
connected to a backfeed protection card. Disconnect the backfeed protection
card from the UPS before operating the UPS.
Environmental Requirements
● 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.
● Ensure that the equipment is used in an environment that meets the product
design specications (including power grid, temperature, and humidity).
Otherwise, the equipment may become faulty, and the resulting equipment
malfunction and component damage are not covered under the warranty.
● After unpacking the UPS, you are advised to power it on as soon as possible.
If the UPS is not in operation, take appropriate measures to prevent moisture,
dust, and foreign matter from entering the UPS.
● Any operation on any electrical equipment in an environment that has
inammable air can cause extreme danger. Strictly obey the operating
environmental requirements specied in related user manuals when using or
storing the equipment.
● Do not use the UPS in the following places:
– Environments that are close to ammable or explosive materials, dust,
corrosive gases or dust, conductive or magnetic dust, abnormal vibration,
or collision
– Rooms or outdoor environments where temperature and humidity are
not controlled (with high temperature, low temperature, moisture, direct
sunlight, or heat sources)
–Non-conned environments near the ocean (0–3.7 km) and indoor or
semi-indoor environments where the temperature and humidity are not
controllable, such as simple equipment rooms, civil houses, garages,
corridors, and direct ventilation cabinets near the ocean; or houses with
only roofs, railway station platforms, gymnasiums, and aquariums
– Environments that are conducive for the growth of microorganisms such
as fungus or mildew
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– Environments where rodents (such as mice) and insects exist
1.2.2 Battery Safety
Before installing, operating, or maintaining batteries, read the battery
manufacturer's instructions. Observe the safety precautions provided in this
document which are supplemental to the safety instructions provided by the
battery manufacturer.
D ANGER
Do not short-circuit the positive and negative poles of batteries. Battery short
circuits can generate high instantaneous current, which may cause battery
leakage, overheating, re, or explosion. To avoid battery short circuit, do not
maintain batteries with power on.
D ANGER
Do not expose batteries at high temperatures or around heat-generating sources,
such as high-temperature sunlight, res, transformers, and heaters. Battery
overheating caused by external heat sources may cause vent opening, leakage,
re, or explosions.
D ANGER
Protect battery modules from mechanical vibration, collision, punctures, and
strong impact. Otherwise, the modules may catch re.
D ANGER
To avoid leakage, overheating, re, or explosions, do not disassemble, alter, or
damage batteries, for example, insert sundries into batteries, squeeze batteries, or
immerse batteries in water or other liquids.
D ANGER
Do not burn batteries. Otherwise, the batteries may catch re or explode.
D ANGER
There is a risk of explosion if the model of the replaced battery is incorrect. The
battery should be replaced with a battery of the model recommended by the
manufacturer.
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WARNING
It is recommended that an independent battery room be used. Before installing
battery modules, prepare re extinguishing facilities, such as reghting sands
and liquid carbon dioxide re extinguishers, according to the construction
regulations. Before operation, ensure that the battery room is equipped with a re
extinguishing system that complies with local regulations.
WARNING
Before unpacking battery modules, ensure that the packing cases are intact and
correctly placed according to the labels on the packing cases during their storage
and transportation. Do not place a battery module upside down, lay it on one side,
or tilt it. Stack the battery modules according to the stacking requirements on the
packing cases. Any bumping or falling may damage the battery modules.
WARNING
After unpacking battery modules, place them in the required direction. Do not
place a battery module upside down or vertically, lay it on one side, tilt it, or stack
it with other modules. Any bumping or falling may damage the battery modules.
WARNING
Install the equipment in an area far away from liquids. Do not install it under
areas prone to condensation, such as under water pipes and air exhaust vents, or
areas prone to water leakage, such as air conditioner vents, ventilation vents, or
feeder windows of the equipment room. Ensure that no liquid enters the
equipment to prevent faults or short circuits.
CA UTION
● Battery modules should be used soon after being deployed. For battery
modules that have been stored for an extended period, recharge them
periodically according to the instructions for battery module recharge.
Otherwise, the battery modules may be damaged.
● After the battery system is installed, fully charge batteries (the SOC reaches
100%) and then put them into use. Exercise caution to replace a battery
module unless it is faulty.
● If the battery system is powered o for installation or commissioning or
batteries are not charged in time after discharge, recharge the battery cabinet
in time by referring to the instructions for recharging batteries with low SOC.
Otherwise, batteries may be damaged due to overdischarge.
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General Requirements
● If a battery is accidentally exposed to water, do not install it. Move it to a safe
place for isolation and contact technical engineers in a timely manner.
● Keep the battery switch o during installation and maintenance.
● When installing batteries, do not place installation tools on the batteries.
After the installation is complete, clean up the objects on the batteries and
the surrounding area.
● Use batteries of specied models. Using batteries of other models may
damage the batteries.
● Note the polarities when installing batteries. Do not short-circuit the positive
and negative poles of the same battery or battery string. Otherwise, the
battery may be short-circuited.
● Exercise caution when setting battery parameters. Incorrect settings will aect
the power supply and battery lifespan.
● Do not charge a battery when the ambient temperature is below the lower
limit of the operating temperature (charging is forbidden at 0°C). Low-
temperature charging may cause crystallization, which will result in a short
circuit inside the battery.
● Dispose of waste batteries in accordance with local laws and regulations. Do
not dispose of batteries as household waste. If a battery is disposed of
improperly, it may explode.
NO TICE
To ensure battery safety and battery management accuracy, use batteries provided
by the Company. The Company is not responsible for any battery faults caused by
batteries not provided by it.
Battery Leakage
● If a battery leaks, wear goggles, rubber gloves, and protective clothing, power
o the equipment in a timely manner, remove the leaking battery module
from the cabinet, and contact technical support.
● If a battery overows, protect the skin or eyes from the leaking liquid. If the
skin or eyes come in contact with the leaking liquid, wash it immediately with
clean water and go to the hospital for medical treatment.
Flammable Gas
● A battery module is an enclosed battery system and will not release any gases
under normal operations.
● If a battery module is improperly treated, for example, burnt, needle-pricked,
squeezed, overcharged, or subject to other adverse conditions that may cause
battery thermal runaway, the battery may be damaged or an abnormal
chemical reaction may occur inside the battery, resulting in electrolyte
leakage or production of gases such as CO2, CO, N2, and H2. To prevent re or
corrosion, ensure that ammable gas (such as hydrogen) is properly
exhausted.
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1.3 Electrical Safety
General Requirements
● Installation, operation, and maintenance must be performed in the sequence
specied in the manual. Do not change the structure or installation sequence
of the equipment without permission.
● When installing the equipment, use a torque wrench with a proper range to
tighten the screws. When using a wrench to tighten the screws, ensure that
the wrench does not tilt and the torque error does not exceed 10% of the
specied value.
● Before installing or removing power cables, ensure that the switch is turned
o.
● If the equipment has multiple inputs, disconnect all the inputs before
operating the equipment.
● Before connecting power cables, check that cable labels are correct and cable
terminals are insulated.
● A circuit breaker equipped with a residual current device (RCD) is not
recommended.
● It is recommended that the three-phase loads be equalized and the neutral-
ground voltage be kept at less than 2 V to meet power distribution
requirements.
● To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits
to telecommunication network voltage (TNV) circuits.
● A damaged cable must be replaced by the manufacturer or professionals to
avoid risks.
● Check equipment connections periodically, ensuring that all screws are
securely tightened.
● Do not use water to clean electrical components inside or outside of a
cabinet.
● Do not scrawl, damage, or block any labels or nameplates on the equipment.
Promptly replace warning labels that have worn out.
Grounding
● For the equipment that needs to be grounded, install the ground cable rst
when installing the equipment and remove the ground cable last when
removing the equipment.
● Ensure that the equipment is connected permanently to the protective
ground. Before operating the equipment, check its electrical connection to
ensure that it is reliably grounded.
● If a "high electricity leakage" tag is attached on the equipment, ground the
protective ground terminal on the equipment enclosure before connecting the
AC input power supply; otherwise, electric shock as a result of electricity
leakage may occur.
● Do not operate the equipment in the absence of a properly installed ground
conductor.
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● Do not damage the ground conductor.
Cabling
● When selecting, connecting, and routing cables, follow local safety regulations
and rules.
● The ame spread rating of cables should meet the UL 1581 VW-1 or IEC
60332-3-22 (ZB) or higher requirements.
● Do not route cables behind the air intake or exhaust vents of the equipment.
● If a cable is connected to the cabinet from the top, bend the cable in a U
shape outside the cabinet and then route it into the cabinet.
● Bind cables of the same type together. When routing cables of dierent types,
ensure that they are at least 30 mm away from each other.
● When routing cables, ensure that a distance of at least 30 mm exists between
the cables and heat-generating components or areas. This prevents damage
to the insulation layer of the cables.
● When the temperature is low, violent impact or vibration may damage the
plastic cable sheathing. To ensure safety, comply with the following
requirements:
– Cables can be laid or installed only when the temperature is higher than
0°C. Handle cables with caution, especially at a low temperature.
– Cables stored at subzero temperatures must be stored at room
temperature for at least 24 hours before they are laid out.
● Do not perform any improper operations, for example, dropping cables
directly from a vehicle. Otherwise, the cable performance may deteriorate due
to cable damage, which aects the current-carrying capacity and temperature
rise.
ESD
NO TICE
The static electricity generated by human bodies may damage the electrostatic-
sensitive components on boards, for example, the large-scale integrated (LSI)
circuits.
● Wear ESD gloves or a well-grounded ESD wrist strap when touching the
device or handling boards or application-specic integrated circuits (ASICs).
● When holding a board, hold its edge without touching any components. Do
not touch the components with your bare hands.
● Package boards with ESD packaging materials before storing or transporting
them.
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Figure 1-1 Wearing an ESD wrist strap
1.4 Environmental Requirements
WARNING
Install the equipment in an area far away from liquids. Do not install it under
areas prone to condensation, such as under water pipes and air exhaust vents, or
areas prone to water leakage, such as air conditioner vents, ventilation vents, or
feeder windows of the equipment room. Ensure that no liquid enters the
equipment to prevent faults or short circuits.
General Requirements
● Do not install or run the equipment beyond the technical specications.
Otherwise, its performance and safety will be compromised.
● Do not install the equipment in environments with conductive metal scraps in
the air.
● Do not install the equipment in an environment with direct sunlight, dust,
volatile gases, infrared and other radiations, organic solvents, corrosive
materials, or salty air.
● Do not expose the equipment to ammable or explosive gas or smoke. Do
not perform any operation on the equipment in such environments.
● Do not install, use, or operate outdoor equipment and cables (including but
not limited to moving equipment, operating equipment and cables, inserting
connectors to or removing connectors from signal ports connected to outdoor
facilities, working at heights, and performing outdoor installation) in harsh
weather conditions such as lightning, rain, snow, and level 6 or stronger wind.
● If any liquid is detected inside the equipment, disconnect the power supply
immediately and contact the administrator.
● To prevent re due to high temperature, ensure that the ventilation vents or
heat dissipation system are not blocked when the equipment is running.
● The equipment room should have good heat insulation, and the walls and
oor should be protected against moisture.
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● Install a rat guard at the door of the equipment room.
● All cable holes should be sealed. Seal the used cable holes with sealing putty.
Seal the unused cable holes with the caps delivered with the cabinet. The
following gure shows the criteria for correct sealing with sealing putty.
● After installing the equipment, remove idle packing materials such as cartons,
foam, plastics, and cable ties from the equipment area.
1.5 Mechanical Safety
WARNING
When pulling equipment out of a cabinet, be aware of unstable or heavy objects
in the cabinet to prevent injury.
General Requirements
● Repaint any paint scratches caused during equipment transportation or
installation in a timely manner. Equipment with scratches cannot be exposed
to an outdoor environment for an extended period of time.
● Before installation, ensure that the equipment is rmly anchored to the oor
or other solid objects, such as a wall or an installation rack.
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2 System Composition
2.1 Model Description
This document describes the following UPS model.
Table 2-1 UPS model
Model Represented By Remarks
UPS2000-G-6KRTLL 6 kVA This model is
abbreviated to a 6 kVA
UPS in this document.
Figure 2-1 UPS model number
Table 2-2 UPS model number details
No. Meaning Description
1 Product
category
UPS: uninterruptible power system
2 Product
family
2000
3 Product
series
G: series name
4 Output
capacity
6K: 6 kVA
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No. Meaning Description
5 UPS type RT: rack-mounted or tower-mounted
6 Long
backup
time model
L: long backup time model, using external large-
capacity batteries that provide long backup time
7 External
battery
type
L: LFP battery
2.2 Working Principle
Figure 2-2 Conceptual diagram
UPS2000-G-6KRTLL
User Manual 2 System Composition
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2.3 Product Structure
Figure 2-3 Front and rear views of a 6 kVA UPS
(1) Liquid crystal display
(LCD)
(2) Maintenance bypass
(MBS) port
(3) Optional card slot
(reserved)
(4) Battery management
system (BMS) port
(5) RS232
communications portb
(6) RS485
communications ports
(connect to northbound
devices)
(7) USB porta(8) AC input and output
terminals (behind the
cover)
(9) Battery wiring
terminal (behind the
cover)
(10) Parallel current
equalization port
(11) Emergency power-
o (EPO) port
(12) Parallel
communications ports
(13) Battery PE terminal
UPS2000-G-6KRTLL
User Manual 2 System Composition
Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. 14