5. Before performing maintenance and repair, securely connect the loop to be
repaired to the ground loop using a ground cable.
● Before connecting a cable, check that the labels on it are correct.
● If the equipment has multiple inputs, disconnect all the inputs before
working on the equipment.
6. After the maintenance or repair is complete, remove the ground cable
between the loop that has been repaired and the ground loop.
Electrostatic Discharge (ESD)
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
General Requirements
● Proof that the product is stored according to the requirements must be kept properly,
such as temperature and humidity log data, storage environment photos, and inspection
reports.
● It is not recommended to store battery packs for extended periods. Long-term storage
of lithium batteries may cause capacity loss. Generally, the irreversible capacity loss is
3% to 10% after the lithium batteries are stored at the recommended storage
temperature range for 12 months.
● The storage environment must be clean and dry. The product must be
protected from dust, moisture, rain, and water.
● The air must not contain corrosive or
ammable gases.
● The ESS cannot be tilted or placed upside down.
● If the ESS has been stored for more than two years, it must be checked and
tested by professionals before use.
LUNA2000-2.0MWH Series Smart String ESS
User Manual 1 Safety Information
Issue 08 (2022-11-15) Copyright © Huawei Technologies Co., Ltd. 7
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