2. To improve electromagnetic compatibility (EMC), this UPS has
an input EMI filter, which produces potentially dangerous leakage
current to ground. Ensure the UPS is connected to a properly
grounded input electrical source. Install this UPS indoors in an
environment that is temperature and humidity controlled.
3. Install this UPS in a dust-free environment.
4. This UPS has two sources of power. Before maintenance is
performed, turn off the branch circuit breaker powering the UPS
and turn off all battery switches.
5. Even with the AC input power supply turned off, the UPS’s internal
battery still represents a potentially dangerous source of high
voltage electrical power.
6. If the battery circuit has not been disconnected from the AC
input, dangerous voltage potential still exists between the battery
terminal and the ground terminal.
7. UPS batteries represent a high voltage source and a potential
hazard to personal safety. Please pay attention to proper safety
precautions and use insulated tools during installation.
8. UPS batteries contain corrosive and caustic chemicals. Improper
handling of batteries may lead to the unintended release or
leakage of these substances. Please handle batteries carefully.
9. Condensation may occur when the UPS is moved from a
low temperature, low humidity environment to a warm humid
environment. Condensation may cause UPS damage or hazardous
electrical shock. To ensure the safety of both the UPS and the
personnel around it, make sure that the UPS is installed only after
it has fully acclimated to its installation environment. This UPS
is not intended to be operated in an environment of either low
temperature or high humidity.
10. The DC voltage is still present on the battery fuses even with the
UPS turned off. The batteries must be removed before servicing
UPS.
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