Signs On The Equipment; General Warnings - LEGRAND Trimod HE User Manual

2. Regulatory and safety requirements
2.5

Signs on the equipment

Displayed on the UPS are explanatory plates that can vary depending on the country the equipment is intended for and
constructional standards applied.
Safety labels are in English. A set of labels is supplied in several languages. During the installation, it is the responsibility
of the skilled technician to replace the labels in English with those in the most understandable language in the country
in which the equipment is installed.
Make sure the instructions are adhered to. It is strictly prohibited to remove these plates and to work in a way that differs
from what is written there.
The plates must always be clearly read and they must be cleaned periodically.
If a plate deteriorates and/or is no longer legible, even partially, the Manufacturer must be contacted for another one in
order to replace it.
CAUTION
The plates must not be removed or covered. No other plates may be affixed to the equipment without the Manufacturer's
prior written authorisation.
WARNING
Potential risks can be drastically reduced by wearing the Personal Protective Equipment listed in this chapter. These
protections are indispensable. Always operate with due care around dangerous areas marked by the appropriate warning
signs on the equipment.
2.6

General warnings

DANGER
The UPS works with dangerous voltages. Only SKILLED TECHNICIANS shall perform all installation and ordinary mainte-
nance operations. No part of the equipment can be repaired by the operator.
Extraordinary maintenance operations must be carried out by LEGRAND Technical Support Service personnel.
WARNING
A battery can present a risk of electrical shock and high short circuit current. The following precautions should be
observed when working on batteries:
a) remove watches, rings or other metal objects.
b) use tools with insulated handles.
c) wear rubber gloves and boots.
d) do not lay tools or metal parts on top of batteries.
e) disconnect the charging source prior to connecting or disconnecting battery terminals.
f ) determine if battery is inadvertently grounded. If inadvertently grounded, remove source from ground. Contact with
any part of a grounded battery can result in electrical shock. The likelihood of such shock can be reduced if such
grounds are removed during installation and maintenance (applicable to equipment and remote battery supplies not
having a grounded supply circuit);
g) never leave live cables uncovered.
Do not dispose of batteries in a fire. The batteries may explode.
Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes. It may be toxic. The batteries
installed inside the cabinet must be disposed of correctly. For the disposal requirements refer to local laws and relevant
standards.
CAUTION
The UPS functions with TT and TN systems. It has a pass-through neutral architecture: the status of the output neutral is
the same as the input neutral.
When a load needs a different neutral status from the input status, it is necessary to place downstream of the equipment
a suitably scaled isolation transformer protected in compliance with the standards in force.
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