Ups Safety - Huawei FusionPower6000 Maintenance Manual

FusionPower6000
Maintenance Guide
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1.2.1 UPS Safety

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.
The category 3 (C3) UPS is intended for commercial and industrial application in
the second class environment. Installation restrictions or additional measures may
be needed to prevent disturbances.
General Requirements
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Issue 02 (2022-07-18)
grounding switch is turned on. Ensure that no fatal voltage exists before
entering the transformer cabinet.
Ensure that you are wearing dedicated working clothes when inspecting the
transformer cabinet. Check the tools in advance and record them. After the
work is complete, collect all of the tools to prevent them from being left
inside the transformer.
After the transformer cabinet is installed, strictly check the reliability of the
grounding system to ensure that the grounding is safe and reliable.
Keep the key to the transformer cabinet door in a safe area.
Install temporary fences or warning ropes and hang "No Entry" signs around
the transformer cabinet construction area to keep unauthorized personnel
away from the area.
Assign dedicated personnel for supervision. Do not touch devices that may be
energized, such as transformers.
Place warning signs near the upstream and downstream switches of
transformers to prevent accidental connection.
D ANGER
NO TICE
The UPS is used for commercial and industrial purposes only. It cannot be
used as a power supply for life support devices.
For power supply systems that are critical to significant 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 traffic control center, airport command center, financial
clearing center, and transaction center, the Tier 4 or 3 power architecture
specified 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
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