FE M-UPS050AD2B, User Manual

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iii
Caution about Safety
List of important warnings
The important warnings described in this manual are as follows.
"Warning" indicates that death or serious injury may result, if the
UPS is not used correctly.
Electric shock Do not remove the cover of the UPS.
Since there are some portions with high voltage in the inside of the
UPS, there is fear of an electric shock.
"Caution" indicates that slight or moderate injury may result or
the UPS or user
’
s property may be damaged, if the UPS is not
used correctly.
Put neither a stick nor a finger into the cooling fan or the
vent hole. Electric shock
Injury
There is fear of an electric shock or an injury.
Electric shock Perform the battery and cooling fan replacement by
maintenance personnel.
There is fear of an electric shock.
The UPS should be connected to ground. (more than
class D grounding)
When connecting to an input power supply, connect the
grounding wire to the ground terminal.
There is fear of an electric shock.
Electric shock
Failure
When connecting the UPS to an input power supply,
connect the electric wire of hot-line side to the AC input
terminals L1/R and L2/S, and connect the grounding wire
to the input ground terminal. Likewise, in the connections
between the output of the UPS and the connection device,
connect the electric wire of hot-line side to the AC output
terminals l1/U and l2/V, and connect the grounding wire to
the output ground terminal.
If connected by mistake, there is fear of the malfunction by noise,
the failure, or an electric shock.
When inspecting or maintaining the connection device (a
device getting connected to the UPS) or the UPS, turn off
power of the connection device and stop the operation of
UPS. And turn off the breaker of the distribution board
and cut off connection of AC input terminal.
There is fear of an electric shock.
Warning
Caution