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Safety Precautions
This manual contains the information concerning the installation and operation of Liebert
®
ITA 16kVA and 20kVA
UPS (hereinafter referred to as UPS).
Please carefully read this manual prior to installation.
You must abide by the following safety symbols used in the user manual.
Safety symbol
Description
Improper operating will take risk, it may resault in death.
Improper operating will take risk, it may resault in serious physical injury and damage in the
equipment.
Read carefully and abide by the contents to operate the equipment.
To reduce the chance of accident, please read the safety precautions very carefully before operation. The
‘Caution, Note, Warning, Danger’ in this user manual and on the product do not represent all the safety points to
be observed, and are only supplement to various safety points. Therefore, the installation and operation
personnel must receive strict training and master the correct operations and all the safety points before
operation.
When operating Emerson products, the operation personnel must observe the safety rules in the industry, the
general safety points and special safety instructions provided by Emerson.
Warning
1. The UPS must be installed, commissioned and serviced by engineers designated by the manufacturer or its agent.
Failure to observe this could result in personnel safety risk, UPS malfunction and invalidation of warranty.
2. The UPS has been designed for commercial and industrial use only, and is not recommended for use in life support
applications.
3. This is a Class A UPS product. In a residential environment, this product may nevertheless cause radio interference, in
which case, the user is required to take additional measures to reduce the interference.
Danger
When the UPS is operating, some parts have high voltage, therefore, contacting with them directly or through moist objects
will result in fatal risk.
Warning
1. Before moving or re-wiring the UPS, disconnect all the inputs and make sure that the UPS is completely shutdown. Or
else, the output end may carry live voltage.
2. Liquid or other irrelevant external objects are prohibited inside the UPS.
3. In case of a fire, a dry chemical fire extinguisher is essential. Using a foam fire extinguisher will cause electric shock.
4. The output neutral line of the UPS is from the input, after the neutral line is suspended by the upstream protection
devices, the output neutral line will be unconnected.