4. Move the cabinet to the installation location using the forklift (see Transportation on page21), and secure it to
the ground as shown in Figure 9.2 on page158.
5. Make sure to reinstall the rat guards, when the Vertiv™ Liebert® APM2 UPS is installed.
3.5 Pre-installation Inspection
Before installing the UPS, carry out the following inspections:
1. Ensure that the UPS equipment room’s environment complies with the environmental requirement specified in
the Environmental Characteristics on page171, especially the ambient temperature, ventilation conditions, and
the dust situations.
2. Visually inspect the UPS and battery for any sign of transportation damage or mishandling. Do not attempt to
install the system, if damage is apparent. Report it to the carrier or Vertiv representative immediately. Unpack the
UPS and battery under the guidance of authorized service engineer.
3. Check the UPS label on the back of the door and confirm the contents match the UPS model, capacity and main
parameters that were ordered.
3.6 Environmental Requirement
3.6.1 UPS location selection
Before installing the Liebert® APM2 UPS, verify that the environment of the room where the UPS is to be installed complies
with the environmental requirements specified in relevant international standard and specifications and the operating ranges
given in Table 12.2 on page171. Pay special attention to the ambient temperature and the air exchange system. Install the UPS
in a cool, dry, clean air indoor environment with adequate ventilation and on concrete or other non-flammable, flat surfaces.
The ambient environment should be free of conductive powder (Such as, metallic powder, sulfide, sulfur dioxide, graphite,
carbon fiber, conductive fiber) and acid mist or other conductive media (strongly ionized substances).
The Liebert® APM2 UPS is cooled by internal fans. Cooling air enters the UPS through the ventilation grills at the front of the
cabinet and is exhausted out through the ventilation grills at the back of the cabinet. To permit proper air flow and prevent
overheating, do not block or cover the ventilation openings (ventilation grills) or blow air down onto the unit. The UPS requires
at least 8 in. (200 mm) ventilation clearance at the rear side of the unit to avoid blocking the UPS heat dissipation, thus
reducing the UPS internal temperature and improving the UPS life.
If necessary, install indoor extractor fans to aid cooling air flow to avoid increase in the room temperature. Air filters (optional)
should be used when the UPS is to operate in a dirty environment.
NOTE: When the battery cabinet is installed near the UPS, the maximum allowable ambient temperature is dependent
on the battery rather than the UPS.
NOTE: If the UPS is working in ECO mode, the power consumption will be less than that in Normal mode. Proper air
conditioning system must be selected according to the normal operating mode.
3.6.2 Battery location selection
Batteries generate some hydrogen and oxygen at the end of a charge, so the fresh air volume of the battery installation
environment must meet the EN50272-2001 requirements.
26 Proprietary and Confidential ©2023 Vertiv Group Corp. 3 Mechanical Installation
Vertiv™ Liebert® APM2 30 to 120 kVA Modular UPS User Manual
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