VI
UPS 30-300kVA User Manual
Safety Precautions
Move & Install
Danger
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Keep the equipment away from heat source or air outlets.
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In case of fire, use dry powder extinguisher only, any liquid
extinguisher can result in electric shock.
Warning
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Do not start the system if any damage or abnormal parts
founded.
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Contacting the UPS with wet material or hands may be subject
to electric shock.
Attention
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Use proper facilities to handle and install the UPS. Shielding
shoes, protective clothes and other protective facilities are
necessary to avoid injury.
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During positioning, keep the UPS way from shock or vibration.
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Install the UPS in proper environment, more detail in section
3.3.
Debug& Operate
Danger
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Make sure the grounding cable is well connected before
connecting the power cables, the grounding cable and neutral
cable must be in accordance with the local and national codes
practice.
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Before moving or re-connecting the cables, make sure to cut
off all the input power sources, and wait for at least 10 minutes
for internal discharge. Use a multi-meter to measure the voltage
on terminals and ensure the voltage is lower than 36V before
operation
.
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Risk of Voltage Backfeed.Beforeworking on the circuits,
isolatethe Uninterruptible Power Supply (UPS), and then
checkfor Hazardous Voltage betweenall terminals
including the protective earth.
Attention
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The earth leakage current of load will be carried by RCCB or
RCD.
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Initial check and inspection should be performed after long
time storing of UPS.
Maintenance&Replacement
Danger
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All the equipment maintenance and servicing procedures
involving internal access need special tools and should be
carried out only by trained personnel. The components that can
only be accessed by opening the protective cover with tools
cannot be maintained by user.
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This UPS full complies with “IEC62040-1-1-General and
safety requirements for use in operator access area UPS”.
Dangerous voltages are present within the battery box.
However, the risk of contact with these high voltages is
minimized for non-service personnel. Since the component
with dangerous voltage can only be touched by opening the
protective cover with a tool, the possibility of touching high
