PowerWalker VFI 1000 LE - Manual (Page 14)

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2. Installation
2.1 Installation Safety Instructions
Installation Personnel
Installation Environment
Do not install and operate the UPS when water condensation happen
which may occur if the UPS is moved directly from a cold to a warm
environment. The UPS must be absolutely dry before being installed and
operated. Please allow an acclimatization time of at least 2 hours. Otherwise
there is hazard of electric shock!
Do not install the UPS in the environment where it is damp or would
be exposed to direct sunlight or near heat. Ensure the UPS is far away from
water, inflammable gas and corrosive agents.
Do not block air vents in the housing of UPS. The UPS must be
installed in a location with good ventilation. Ensure enough space on each
side for ventilation.
This product must be installed only by qualified or
professional personnel accord to safety instructions!
You must read the following safety instructions
before installation!