Electrical Safety - Huawei FusionModule2000 Maintenance Manual

FusionModule2000 Smart Modular Data Center
Maintenance Guide
Personnel Requirements
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1.2 Electrical Safety

General Requirements
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Issue 02 (2022-07-30)
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 qualified professionals or trained personnel are allowed to install,
operate, and maintain the equipment.
Only qualified 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 qualifications.
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.
Installation, operation, and maintenance must be performed in the sequence
specified 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
specified value.
Before installing or removing power cables, ensure that the switch is turned
off.
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.
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