Huawei LUNA2000-2.0MWH-1H0 User manual

LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual
Issue 02
Date 2021-11-15
HUAWEI TECHNOLOGIES CO., LTD.

Copyright © Huawei Technologies Co., Ltd. 2021. 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: Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website: https://e.huawei.com
Issue 02 (2021-11-15) Copyright © Huawei Technologies Co., Ltd. i

About This Document
Purpose
This document describes the installation, electrical connections, commissioning,
maintenance, and troubleshooting of LUNA2000-2.0MWH-1H0 and
LUNA2000-2.0MWH-2H0 Smart String ESS (also referred to as ESS). Before
installing and operating the ESS, ensure that you are familiar with the features,
functions, and safety precautions provided in this document.
Intended Audience
This document is intended for photovoltaic (PV) plant operating personnel and
qualied electricians.
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.
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.
LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual About This Document
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Change History
Changes between document issues are cumulative. The latest document issue
contains all updates made in previous issues.
Issue 02 (2021-11-15)
Updated 1.3-Electrical Safety.
Updated 1.4-Storage and Installation Environment Requirements.
Updated 1.5-Transportation requirements.
Updated 1.7-Battery Safety.
Updated 2-Overview.
Updated 3.2-Space Requirements.
Updated 3.3-Foundation Requirements.
Updated 4.2-Installing the ESS.
Updated 4.3-Installing Components.
Updated 5-Installing Cables.
Updated 7.4-Powering On the Distribution Transformer.
Updated 7.5-Powering On the ESS.
Updated 8-SmartLogger Web-based Deployment.
Updated 9.5-Powering O the ESS.
Updated 9.6-Powering O the Distribution Transformer.
Updated 10-Alarm Reference.
Updated 11-FAQ.
Issue 01 (2021-08-30)
This issue is used for rst oce application (FOA).
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Contents
About This Document................................................................................................................ ii
1 Safety Information.................................................................................................................. 1
1.1 General Safety.......................................................................................................................................................................... 1
1.2 Personnel Requirements....................................................................................................................................................... 3
1.3 Electrical Safety........................................................................................................................................................................4
1.4 Storage and Installation Environment Requirements.................................................................................................6
1.5 Transportation requirements............................................................................................................................................... 8
1.6 Mechanical Safety................................................................................................................................................................... 8
1.7 Battery Safety......................................................................................................................................................................... 11
1.8 Maintenance and Replacement....................................................................................................................................... 13
2 Overview................................................................................................................................. 14
2.1 Model Description................................................................................................................................................................ 14
2.2 Label Description.................................................................................................................................................................. 16
2.3 Functions and Features....................................................................................................................................................... 17
2.4 Working Modes..................................................................................................................................................................... 17
2.5 Typical Application Scenarios........................................................................................................................................... 18
2.6 Appearance............................................................................................................................................................................. 19
2.6.1 LUNA2000-2.0MWH-1H0 Appearance.......................................................................................................................20
2.6.2 LUNA2000-2.0MWH-2H0 Appearance.......................................................................................................................21
2.7 ESS Composition................................................................................................................................................................... 22
2.7.1 Battery Cabin...................................................................................................................................................................... 22
2.7.2 Control Unit Cabin............................................................................................................................................................ 26
2.7.3 Smart Rack Controller Cabin......................................................................................................................................... 31
2.8 Components............................................................................................................................................................................ 32
2.8.1 Power Supply and Distribution System......................................................................................................................32
2.8.1.1 Battery Pack..................................................................................................................................................................... 33
2.8.1.2 Smart Rack Controller.................................................................................................................................................. 34
2.8.1.3 ETP48400-C3B1.............................................................................................................................................................. 35
2.8.1.4 Rectier Module PSU.................................................................................................................................................... 36
2.8.1.5 SMU02C............................................................................................................................................................................. 38
2.8.2 Monitoring System............................................................................................................................................................40
2.8.2.1 CMU.................................................................................................................................................................................... 40
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2.8.2.2 SmartModule................................................................................................................................................................... 42
2.8.3 Environmental Control System..................................................................................................................................... 43
2.8.3.1 T/H sensor........................................................................................................................................................................ 43
2.8.3.2 Air Conditioner in the Control Unit Cabin............................................................................................................. 45
2.8.3.3 Air Conditioner in the Battery Cabin....................................................................................................................... 46
2.8.3.4 Electrode Water Sensor................................................................................................................................................47
2.8.3.5 Door Status Sensor........................................................................................................................................................ 48
2.8.3.6 Light.................................................................................................................................................................................... 49
2.8.4 Fire Extinguishing System...............................................................................................................................................49
2.8.4.1 CO Sensor......................................................................................................................................................................... 49
2.8.4.2 Air Exhaust Module....................................................................................................................................................... 51
2.8.4.3 Air Exhaust Controller.................................................................................................................................................. 51
2.8.4.4 Fire Control Panel.......................................................................................................................................................... 53
2.8.4.5 Fire cylinder......................................................................................................................................................................53
2.8.4.6 Fire extinguishing board.............................................................................................................................................. 55
2.8.4.7 Heat Detector.................................................................................................................................................................. 56
2.8.4.8 Smoke Detector.............................................................................................................................................................. 57
2.8.4.9 Fire Alarm Horn/Strobe............................................................................................................................................... 58
2.8.4.10 Gas Release Alarm...................................................................................................................................................... 59
2.9 Working Principles................................................................................................................................................................ 60
2.9.1 Battery circuit diagram of LUNA2000-2.0MWH-1H0........................................................................................... 61
2.9.2 Battery circuit diagram of LUNA2000-2.0MWH-2H0........................................................................................... 63
3 Site Requirements................................................................................................................. 65
3.1 Site Selection Requirements..............................................................................................................................................65
3.2 Space Requirements.............................................................................................................................................................65
3.3 Foundation Requirements.................................................................................................................................................. 66
4 Installation..............................................................................................................................68
4.1 Installation Preparations.................................................................................................................................................... 68
4.1.1 Preparing Tools...................................................................................................................................................................68
4.1.2 Installation Environment Check................................................................................................................................... 70
4.2 Installing the ESS.................................................................................................................................................................. 70
4.2.1 Determining the Installation Position of the ESS................................................................................................... 70
4.2.2 Hoisting and Securing the ESS..................................................................................................................................... 72
4.2.3 Opening the Doors of the ESS...................................................................................................................................... 76
4.2.4 Grounding the ESS............................................................................................................................................................ 78
4.3 Installing Components........................................................................................................................................................ 80
4.3.1 Installing the PSU.............................................................................................................................................................. 80
4.3.2 Installing Copper Bars Between Battery Packs........................................................................................................81
4.3.3 Filling the Fire Cylinder with Extinguishant............................................................................................................. 83
4.3.4 Installing the Electromagnetic Valve.......................................................................................................................... 85
4.3.5 Installing the Battery in the Fire Control Panel...................................................................................................... 86
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5 Installing Cables.................................................................................................................... 88
5.1 Preparing Cables................................................................................................................................................................... 88
5.2 Connecting Socket Cables.................................................................................................................................................. 89
5.3 Installing DC Power Cables............................................................................................................................................... 90
5.4 Installing AC Input Power Cables.................................................................................................................................... 94
5.5 Installing Signal Cables....................................................................................................................................................... 97
5.5.1 Installing FE Communications Cables........................................................................................................................ 97
5.5.2 Installing Optical Cables................................................................................................................................................. 99
6 Checking Before Power-On............................................................................................... 104
7 Powering On the System...................................................................................................106
7.1 Power-on Process............................................................................................................................................................... 106
7.2 Powering On the Smart Transformer Station (STS)............................................................................................... 108
7.3 Powering On the Smart Array Controller (SACU)...................................................................................................109
7.4 Powering On the Distribution Transformer............................................................................................................... 109
7.5 Powering On the ESS........................................................................................................................................................ 110
7.6 Powering On the Battery Side of the DC LV Panel................................................................................................. 114
7.7 Powering On the Smart PCS...........................................................................................................................................115
8 SmartLogger Web-based Deployment...........................................................................117
8.1 Preparations and WebUI Login......................................................................................................................................117
8.2 Commissioning Using Deployment Wizard............................................................................................................... 121
8.3 Check Alarms....................................................................................................................................................................... 126
9 Powering O the System.................................................................................................. 129
9.1 Power-o Process............................................................................................................................................................... 129
9.2 Delivering a Shutdown Command on the SmartLogger...................................................................................... 131
9.3 Powering O the Smart PCS.......................................................................................................................................... 132
9.4 Powering O the Battery Side of the DC LV Panel.................................................................................................132
9.5 Powering O the ESS........................................................................................................................................................ 132
9.6 Powering O the Distribution Transformer.............................................................................................................. 133
10 Alarm Reference................................................................................................................134
11 FAQ....................................................................................................................................... 163
11.1 How to Connect the ESS to the Smart PV Management System................................................................... 163
11.2 How to Create a Plant....................................................................................................................................................163
11.3 Why Does the PSU Not Start After the Water and Fire Alarms Are Cleared.............................................. 164
11.4 How do I Level the ESS When Doors Cannot Be Opend or Closed................................................................ 164
12 Technical Data................................................................................................................... 167
A Operations on the CMU WebUI...................................................................................... 170
A.1 CMU WebUI Operations.................................................................................................................................................. 170
A.1.1 Introduction to WebUI.................................................................................................................................................. 170
A.1.2 WebUI Layout.................................................................................................................................................................. 170
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A.1.3 Icon Description.............................................................................................................................................................. 171
A.1.4 WebUI Menus.................................................................................................................................................................. 172
A.2 Maintenance Operations................................................................................................................................................. 173
A.2.1 Preparations and WebUI Login.................................................................................................................................. 174
A.2.2 Upgrading the Software Version............................................................................................................................... 177
A.2.3 Exporting Device Logs................................................................................................................................................... 178
A.2.4 Checking Alarms............................................................................................................................................................. 178
A.2.5 Clearing Alarms............................................................................................................................................................... 179
B Crimping an OT or DT Terminal...................................................................................... 180
C Repainting the Equipment............................................................................................... 183
E Acronyms and Abbreviations............................................................................................189
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1 Safety Information
1.1 General Safety
Statement
Before installing, operating, and maintaining the equipment, carefully read this
document and observe all safety instructions provided herein and written on the
equipment itself.
The information provided under the "NOTICE", "CAUTION", "WARNING", and
"DANGER" headings within this manual is not intended to cover all applicable
safety policies, and instead acts as a supplement to the comprehensive safety
information provided. Huawei will not be liable for any consequence that may
arise due to violations of general safety requirements or safety standards
concerning the design, production, and usage of the equipment.
Ensure that the equipment is used in environments that meet its design
specications. Otherwise, the equipment may become faulty, and any resulting
malfunction, component damage, personal injury, 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 considered supplementary
to local laws and regulations.
The Company will not be liable for any consequences in any 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
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● Damage during transportation by the customer
● Storage conditions that do not meet the requirements specied in this
document
General Requirements
● 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.
● Before installing, operating, or maintaining the equipment, remove any
conductive objects such as watches or metal jewelry like bracelets, bangles,
and rings to avoid electric shock.
● When installing, operating, or maintaining the equipment, wear dedicated
protective gears such as insulation gloves, goggles, and safety clothing,
helmet, and shoes, as shown in the following gure.
● Follow the specied procedures for installation, operation, and maintenance.
● Before handling a conductor surface or terminal, measure the contact point
voltage and ensure that there is no risk of electric shock.
● After installing the equipment, remove idle packing materials such as cartons,
foam, plastics, and cable ties from the equipment area.
● 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.
● Do not stop using protective devices. Pay attention to the warnings, cautions,
and related precautionary measures in this document and on the equipment.
Promptly replace warning labels that have worn out.
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● Keep irrelevant people away from the equipment. Only operators are allowed
to access the equipment.
● Use insulated tools or tools with insulated handles.
● All cable holes should be sealed. Seal the used cable holes with restop putty.
● Do not obscure, damage, or block any warning labels on the equipment.
● When installing the equipment, use a torque wrench with a proper range to
tighten the screws according to the instructions.
● Ensure that power is o during installation.
● Repaint any scratched surfaces caused during equipment transportation or
installation in a timely manner. Scratched equipment should not be exposed
to an outdoor environment for extended periods.
● Secure the device to the ground or other stable objects before operation.
● Do not use water to clean electrical components inside or outside of a
cabinet.
● Do not change the structure or installation sequence of equipment without
permission.
● Do not touch a running fan with your ngers, components, screws, tools, or
boards before the fan is powered o or stops running.
Personal safety
● 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.
● Use tools correctly to prevent personal injury or equipment damage.
● Do not touch the energized equipment, as the enclosure is hot.
● Do not power on the equipment before it is installed or conrmed by
professionals.
1.2 Personnel Requirements
● Understand the composition and working principles of the ESS as well as
relevant local standards.
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● 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.
● 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 operate the equipment, including operators, trained
personnel, and professionals, should possess the local national required
qualications in special operations such as high-voltage operations, working
at heights, and operations of special equipment.
● Only professionals or authorized personnel are allowed to replace the
equipment or components (including software).
– Professionals: personnel who are 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 technically trained, 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
– Operators: operation personnel who may come in contact with the
equipment, except trained personnel and professionals
1.3 Electrical Safety
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.
● Do not damage the ground conductor.
● Do not operate the equipment in the absence of a properly installed ground
conductor.
● 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.
General Requirements
D ANGER
Before connecting cables, ensure that the equipment is intact. Otherwise, electric
shocks or re may occur.
● Ensure that all electrical connections comply with local electrical standards.
● Obtain approval from the local electric utility company before connecting the
equipment to the grid.
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● Ensure that the cables you have prepared meet local regulations.
● Use dedicated insulated tools when working with high voltages.
AC and DC Power
D ANGER
Do not install or remove power cables with power on. Transient contact between
the core of the power cable and the conductor will generate electric arcs or
sparks, which may cause re or personal injury.
● Before installing or removing a power cable, turn o the power switch.
● Before connecting a power cable, check that the label on the power cable is
correct.
● If the equipment has multiple inputs, disconnect all the inputs before
operating the equipment.
● Only qualied professionals can replace a damaged component.
Cabling
● When routing cables, ensure at least 30 mm clearance between the cables
and heat-generating components or areas. This prevents damage to the
insulation layer of the cables.
● Do not route cables around the air inlet and outlet of the equipment.
● Use ame retardant cables, and the ame retardant rating should comply
with local laws and regulations.
● 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.
● Ensure that the cables are properly connected and insulated, and meet
specications.
● 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.
● When selecting, connecting, and routing cables, follow local safety regulations
and rules.
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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 before touching a device or holding a board or PSU.
● When holding a board or PSU, hold its edge without touching any
components. Do not touch the components with your bare hands.
● Package removed boards or PSUs with ESD packaging materials before
storing or transporting them.
1.4 Storage and Installation Environment
Requirements
Storage Requirements
● The total storage and transportation time of the ESS cannot exceed eight
months (starting from delivery).
● The storage environment requirements are as follows:
a. Ambient temperature: 0–40°C; recommended storage temperature: 20–
30°C
b. Relative humidity: 5% to 80%
c. Place the equipment in a dry and clean place with proper ventilation.
d. Keep the equipment in a place that is away from corrosive organic
solvents and gases.
e. Keep the equipment away from direct sunlight.
f. Keep the equipment at least 2 meters away from heat sources.
● The main power loop must be disconnected during storage. It is
recommended that the auxiliary power supply be powered on to ensure that
the monitoring system works properly.
NO TE
● The temperature and humidity log data, storage environment photos, inspection reports,
and other proof must be available to show that the storage requirements are met.
● Batteries should not be stored or left unused for long periods of time. If a lithium
battery is stored for a long time, capacity loss may occur. After a lithium battery is
stored for 12 months in the recommended storage temperature, the irreversible capacity
loss rate is 3%–10%.
Installation Environment Requirements
● When installing the ESS, comply with the reproof distance or rewall
requirements specied in local standards, including but not limited to NFPA
855 Standard for the Installation of Stationary Energy Storage Systems.
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● Take protection and isolation measures for the ESS, such as erecting fences,
walls, and safety warning signs to prevent personal injury or property damage
caused by unauthorized access during operations.
● To prevent re due to high temperature, ensure that the ventilation vents or
heat dissipation system are not blocked when the equipment is running.
● Install the equipment in an area far away from liquids. Do not install it under
areas prone to condensation, such as 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.
● If any liquid is detected inside the equipment, immediately disconnect the
power supply and contact the administrator.
● 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 the battery outdoors in salt-aected areas because it may
corrode and cause res. A salt area refers to the region within 2 km from the
coast or prone to sea breeze. The regions prone to sea breeze vary with
weather conditions (such as typhoons and monsoons) or terrains (such as
dams and hills).
High-altitude installation requirements
● Working at heights refers to operations that are performed at least 2 meters
above the ground.
● Do not work at heights if the steel pipes are wet or other potential danger
exists. After the preceding conditions no longer exist, the safety director and
relevant technical personnel need to check the involved equipment. Operators
can begin working only after obtaining consent.
● When working at heights, comply with local relevant laws and regulations.
● Only trained and qualied personnel are allowed to work at heights.
● Before working at heights, check the climbing tools and safety gears such as
safety helmets, safety belts, ladders, springboards, scaolding, and lifting
equipment. If they do not meet the requirements, take corrective measures or
disallow working at heights.
● Wear personal protective equipment such as the safety helmet and safety belt
or waist rope and fasten it to a solid structure. Do not mount it on an
insecure moveable object or metal object with sharp edges. Make sure that
the hooks will not slide o.
● Set a restricted area and eye-catching signs for working at heights to warn
away irrelevant personnel.
● Carry the operation machinery and tools properly to prevent them from
falling o and causing injuries.
● Personnel involving working at heights are not allowed to throw objects from
the height to the ground, or vice versa. Objects should be transported by
tough slings, hanging baskets, highline trolleys, or cranes.
● Ensure that guard rails and warning signs are set at the edges and openings
of the area involving working at heights to prevent falls.
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● Do not pile up scaolding, springboards, or other sundries on the ground
under the area involving working at heights. Do not allow people to stay or
pass under the area involving working at heights.
● Inspect the scaolding, springboards, and workbenches used for working at
heights in advance to ensure that their structures are solid and not
overloaded.
● Any violations must be promptly pointed out by the site manager or safety
supervisor and the involved personnel should be prompted for correction.
Personnel who fail to stop violations will be forbidden from working.
1.5 Transportation requirements
The product passes the certications of the UN38.3 (UN38.3: Section 38.3 of the
Sixth Revised Edition of the Recommendations on the Transport of Dangerous
Goods, Manual of Tests and Criteria) and SN/T 0370.2-2009 (Part 2: Performance
Test of the Rules for the Inspection of Packaging for Exporting Dangerous Goods).
This product belongs to class 9 dangerous goods.
The product can be delivered to the site directly and transported by land and
water:
● Vehicle load bearing requirements: The weight of a single container is about
30 tons.
● Speed limit: 80 km/h on at roads and 60 km/h on rough roads.
● Stacking requirements at ports and during shipping: A maximum of ve ESSs
can be stacked.
The packing case must be secured for transportation, compliant with related China
national standards, and printed with signs such as anti-collision and moisture
prevention. Aected by external environment factors, such as temperature,
transportation, and storage, the product specications may vary and are subject to
that of the delivery date.
Protect the equipment from the following situations:
● Being dampened by rains, snows, or falling into water
● Falling or mechanical impact
● Being upside-down or tilted
1.6 Mechanical Safety
Hoisting
● Do not walk under hoisted objects.
● Only trained and qualied personnel are allowed to perform hoisting
operations.
● Check that hoisting tools are available and in good condition.
● Before hoisting objects, ensure that hoisting tools are rmly secured onto a
load-bearing object or wall.
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● Ensure that the angle formed by two hoisting cables is no more than 90
degrees, as shown in the following gure.
● Do not drag steel ropes and hoisting tools or bump hoisted objects against
hard objects during hoisting.
Using Ladders
● Use wooden or berglass ladders when you need to perform live working at
heights.
● When a step ladder is used, ensure that the pull ropes are secured and the
ladder is held rm.
● Before using a ladder, check that it is intact and conrm its load bearing
capacity. Do not overload it.
● Ensure that the ladder is securely positioned. The recommended angle for a
ladder against the oor is 75 degrees, as shown in the following gure. An
angle ruler can be used for measurement. 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.
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● When climbing a ladder, take the following precautions to reduce risks and
ensure safety:
– Keep your body steady.
– Do not climb higher than the fourth rung of the ladder from the top.
– Ensure that your body's center of gravity does not shift outside the legs
of the ladder.
Drilling Holes
When drilling holes into the ground, observe the following safety precautions:
NO TICE
Do not drill holes into the equipment. Otherwise, the electromagnetic shielding of
the equipment may be aected and components or cables inside may be
damaged. Metal shavings from drilling may short-circuit boards inside the
equipment.
● Customer consent must be obtained prior to drilling.
● Wear goggles and protective gloves when drilling holes.
● When drilling holes, protect the equipment from shavings. After drilling, clean
up any shavings that have accumulated inside or outside the equipment.
Moving Heavy Objects
D ANGER
When pulling the equipment out of a cabinet, be aware of unstable or heavy
objects on the cabinet to prevent injury.
● Be cautious to prevent injury when moving heavy objects.
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● When moving the equipment by hand, wear protective gloves to prevent
injury.
● Do not scratch the equipment surface or damage components and cables
when moving the equipment.
● When transporting the equipment using a forklift truck, ensure that the forks
are properly positioned so that the equipment does not topple. Before moving
the equipment, secure it to the forklift truck using ropes. When moving the
equipment, assign dedicated personnel to take care of it.
● Move the equipment with caution. Any bumping or falling may damage the
equipment.
1.7 Battery Safety
Basic Requirements
Before operating batteries, carefully read the safety precautions for battery
handling and master the correct battery connection methods.
D ANGER
● Do not expose batteries at high temperatures or around heat-generating
sources, such as sunlight, re sources, transformers, and heaters. The battery
may cause a re if overheated.
● To avoid leakage, overheating, or re, do not disassemble, alter, or damage
batteries. For example, do not insert foreign objects into batteries or place
batteries in water or other liquids.
● Batteries must be stored indoor and separated from other materials.
● Wear goggles, rubber gloves, and protective clothing to avoid damage caused
by electrolyte in the case of electrolyte overow. 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.
● Use dedicated insulation tools to install the equipment and connect cables.
● Move batteries in the required direction. Do not place a battery upside down
or tilt it.
● Keep the battery loop disconnected during installation and maintenance.
● Use batteries of specied models. Using batteries of other models may
damage the batteries.
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● Dispose of waste batteries in accordance with local laws and regulations. Do
not dispose of batteries as household waste. Improper disposal of batteries
may result in environmental pollution.
● The site must be equipped with qualied re extinguishing facilities, such as
reghting sands and re extinguishers.
Battery Installation
Before installing batteries, observe the following safety precautions:
● Install batteries in a well-ventilated, dry, and cool environment that is far
away from heat sources, ammable materials, moisture, extensive infrared
radiation, organic solvents, and corrosive gases. Take re prevention
measures.
● Place and secure batteries horizontally.
● Ensure that the batteries are installed in the correct polarity and are not
short-circuited.
● Check battery connections periodically, ensuring that all screws are securely
tightened.
● When installing batteries, do not place installation tools on the batteries.
Battery Short Circuit
D ANGER
Battery short circuits can generate high instantaneous current and release a great
amount of energy, which may cause equipment damage or personal injury.
To avoid battery short circuit, do not operate the battery with power on.
Lithium Battery
Pay attention to the following precautions when working on lithium batteries:
WARNING
Replacing batteries with the incorrect model may cause re.
● Replace batteries with the model recommended by the manufacturer.
● When handling a lithium battery, do not place it upside down, tilt it, or bump
it with other objects.
● Keep the lithium battery loop disconnected during installation and
maintenance.
● Do not charge a battery when the ambient temperature of the battery cabin
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.
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