WARNING! The upstream distribution protection equipment of the UPS must be selected in accordance with
the local electrical regulations.
WARNING! All maintenance and servicing procedures involving internal access requires the use of a tool and
should be carried out only by trained personnel. There are no user serviceable parts behind the covers that
need a tool or wrench for removal.
WARNING! Battery voltage exceeds 400 VDC (For service personnel).
WARNING! Battery maintenance and servicing procedures require the use of a tool or key and must only be
performed by trained personnel. Pay attention when working with the batteries attached to this UPS, the
voltage at the battery terminal exceeds 400 VDC and can cause death.
Battery manufacturers provide details on precautions to be taken while operating when operating or in the vicinity of a large
battery. These precautions should be followed implicitly. Pay attention to the local environmental conditions and the provision
of protective clothing, first aid and fire fighting facilities.
WARNING! The APM2 UPS and battery circuit breaker box/battery cabinet have high voltage inside. The risk
of exposing to high voltage is reduced because the high voltage components can only be accessed when the
front door is opened.
There is no risk when operating this equipment according to the general instructions and the steps
recommended in this manual.
WARNING! This AMP2 UPS system receives power from more than one source. All AC source and the DC
source must be disconnected before servicing.
This UPS has several circuits that are energized with high AC as well as DC voltages. Check for voltage with
both AC and DC voltmeters before working within the UPS.
WARNING! When internal fuse of the UPS is damaged, it must be replaced with fuse of the same electric
parameters by qualified personnel.
IMPORTANT! The communication board is sensitive to electrostatic discharge, implement ESD prevention measures
when managing any communication board.
WARNING! Select an appropriate MCCB to protect against short circuit and overload for the battery. It is
recommended to use the Vertiv BCB box to provide a better solution.
WARNING! The power cables must be routed in the metal cable trough in order to avoid cable damage and
reduce the electromagnetic radiation.
1 Important Safety Instructions Proprietary and Confidential ©2023 Vertiv Group Corp. 3
Vertiv™ Liebert® APM2 30 to 120 kVA Modular UPS User Manual
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