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2 Installation Guide APC BC300 Series 40kW 208/450/480V UPS
990-1401
Thank You
Thank you for choosing the APC BC300 Series. Read this Installation Guide before you install
and use the system as it provides important information on safe and efficient installation and
use.
The installation and use of this product must comply with national, federal, state, municipal
and local codes.
IMPORTANT SAFETY INSTRUCTIONS – SAVE THESE INSTRUCTIONS
Safety Symbols used in this manual
WARNING!
Indicates a hazard which, if not avoided, could result in injury or death.
CAUTION!
Indicates a hazard which, if not avoided, could result in damage to the product or
other property.
NOTICE!
Read and pay attention to this important information.
‘
WARNING
This UPS unit contains hazardous AC and DC voltages. Only qualified electricians should
connect the UPS, AC line and external batteries, and must be familiar with batteries and battery
installation.
Before installing, maintaining or servicing the UPS, shut off the UPS and disconnect all sources
of AC and DC power.
As the UPS has no built-in disconnection devices to switch off external AC and DC input power,
ensure that disconnection devices are available as separate parts in connection with the
installation.
The installer must provide each external disconnecting device for this UPS system with labels
with the following text:
“Isolate the Uninterruptible Power Supply (UPS) as instructed in this guide before working on
circuit”.
AC and/or DC voltage will always involve a potential risk of AC voltage at UPS output generated
from either batteries or utility. To avoid equipment damage or personal injury, always assume
that there may be voltage at UPS output.
This system is equipped with an auto-start function. If activated, the system may start without
warning. Refer to the “Programming” section for information on de-activation.
TEST BEFORE YOU TOUCH!
To reduce the risk of fire or electric shocks, install the UPS and external batteries in a
temperature and humidity controlled indoor area, free of conductive contaminants.
UPS batteries are high-current sources. Shorting battery terminals, DC terminals or DC busbars
can cause severe arcing, equipment damage and injury. A short circuit can cause a battery to
explode. Always wear protective clothing and eye protection and use insulated tools when
working on batteries.
CAUTION!
This unit contains components sensitive to electrostatic discharge (ESD). If you do not follow the
ESD procedures, you may cause severe damage to electronic components.