American Power Conversion MX28B200 - Manual (Page 7)

MX28B200/400 –48 VDC User’s Manual (990-9133) Page 1
1 Safety First!
It is very important to follow all safety procedures when unpacking, installing and
operating any sort of power equipment.
1.1. Warning Symbols
CAUTION: An indication that special care is required to
prevent injury, equipment damage or misuse
WARNING: An indication of an electrical hazard that may
cause serious personal injury or death, catastrophic equipment
damage or site destruction..
1.2. General Precautions:
WARNING: The DC power plant is supplied from a nominal
220VAC, 50/60 Hz source. Keep the AC input enclosure cover
in place when the system is operational or energized
WARNING: Hazardous energy levels are present on bare
conductors in the -48VDC distribution connection area of the
plant. Accidental shorting of distribution conductors can cause
arcing and high currents that can cause serious burns or other
physical harm. It is recommended that:
•
Any jewelry, rings or watches be removed while working
on this equipment.
•
Handles of all wrenches, screwdrivers, cutters and pliers
are insulated.
•
Shafts of screwdrivers are wrapped in electrical tape or
otherwise insulated
WARNING: Ensure that all of the DC and external AC circuit
breakers are in the OFF position prior to connecting service to
the power plant. Confirm that all voltages have been removed
including any battery sources before proceeding
.
Specific CAUTION and WARNING will be placed in manual where appropriate
.