2
.Installation and connection
20
<BU200RW/BU300RW>
Input plug (L5-30P)
(Front view)
E
N
L
When one wire is used to ground the AC input power
supply, make sure to use this unit's N terminal (phase)
side as the ground.
●
A misconnection may result in malfunction.
Caution
3P receptacle
3P receptacle
3P receptacle
100 VAC
BU200RW
BU300RW
Connect the grounding wire
to earth in building
2-4-2. Changing the BU200RW/BU300RW AC input plug
Caution
Caution
Make sure to change the AC input plug selection setting switches
,
(
See also
38 Page) according to the input power capacity.
●
If the proper settings are not made, the warning will not be issued when there is
excessive input current.
Overcurrent may result in smoke or
fi
re.
Caution
When connecting the AC input directly from a power switchboard to the
BU200RW/BU300RW, make sure that the wiring work is performed by a
qualifi ed electrical engineer (with Type II certifi cation or higher).
●
To use the BU200RW with up to 2000VA/1600W, a wiring capacity of 24A or more is
required.
●
To use the BU300RW with up to 3000VA/2400W, a wiring capacity of 35A or more is
required.
When changing the input cable for the BU200RW and BU300RW, make
sure to perform the connection as specifi ed.
Make sure to properly match the AC input terminal with the appropriate
wire color.
Do not connect the unit’s AC input terminal while it is connected to
commercial power.
●
Failure to do so may result in electric shock or ground fault.
BU300RW