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Rev 1 MX28B-1200+27V PRODUCT MANUAL
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5.1.5 Room/Locations
NOTE: The APC Model MX28B1200/2400+27V DC power plant is to be installed in a room,
vault, or similar enclosure that is accessible only to qualified persons in accordance
with the NEC or the authority having jurisdiction.
Prior to installation, drawings, floor loading requirements, external alarm points, AC service entrance,
and grounding schemes should all be checked and confirmed. If batteries are to be mounted in a
room separate from the power plant, careful attention should be paid to battery cable voltage drop
effects. Environmental operating temperatures and ventilation/cooling considerations should also be
noted, not just for the power system but also for all other equipment that may reside in the power
room area.
5.1.6 Mounting
The unit is designed to be bolted to the floor of the housing structure. Figure 5-1 shows the footprint
of the frame and the mounting points with dimensions. Consult the system design specifications to
see if it is necessary to electrically isolate the frame from the floor structure. This is required in many
installations.
Figure 5-1 Floor Mounting Dimensions