2
.Installation and connection
18
2-4
Connecting the AC input
When installation and connection are complete, connect the unit’s AC input to a commercial
power source.
Make sure to connect the AC input plug of the unit into a wall outlet
(commercial power) with rated input voltage (100V to 120V AC).
●
Connecting to a wall outlet (commercial power) of a different rated voltage may result in
fi
re.
●
The unit may fail.
Caution
●
The BU75RW/BU100RW AC input plug cannot be changed.
AC input plug selection: Use the factory settings for setting switches 7 and 8 (both OFF).
●
The AC input connection method can be changed according to the operating environment.
●
The table below shows the status at shipment, how to change the connection, and the allowable
connection capacity.
Change the way to connect to commercial power according to the connection capacity you use.
2-4-1. Connecting the AC input plug
BU75RW/BU100RW connection procedure
●
Use the 15A plug included with the product at shipment.
Provide a wall outlet (commercial power) suitable for the shape of the 15A plug (NEMA 5-15R).
●
It is possible to connect to a 2-pin outlet using the included 3P-2P adapter.
BU200RW connection procedure
●
When using the 15A plug (connected when shipped)
●
Provide a wall outlet (commercial power) suitable for the shape of the 15A plug (NEMA 5-15R).
●
The BU200RW comes equipped with a 15A input plug (NEMA 5-15P) at shipment.
If this plug is used, make sure that the capacity of the connected devices stays below the maximum
capacities shown in the table above.
After connecting to commercial power, turn ON the INPUT PROTECTION switch (input overcurrent
protection switch) on the back of the unit.
●
When the overload display appears (“
“ or “
“ is displayed on the status indicator), you cannot
continue using the unit with the 15A input plug.
Model
Input power capacity
(Plug capacity)
Recommended AC input
plug that complies with
unit’s UL standard
Maximum output
capacity
(Allowable connec-
tion capacity)
AC input plug selection
setting switch
Setting
switch 7
Setting
switch 8
BU75RW
15A(attached when
shipped)
NEMA 5-15P
750VA/600W
OFF
OFF
BU100RW
15A(attached when
shipped)
NEMA 5-15P
1000VA/800W
OFF
OFF
BU200RW
15A(attached when
shipped)
NEMA 5-15P
1100VA/880W
OFF
OFF
20A
NEMA 5-20P
NEMA L5-20P
1600VA/1280W
ON
OFF
30A
NEMA L5-30P
2000VA/1600W
OFF
ON
BU300RW
15A
NEMA 5-15P
1100VA/880W
OFF
OFF
20A
NEMA 5-20P
NEMA L5-20P
1600VA/1280W
ON
OFF
30(attached when
shipped)
NEMA L5-30P
2400VA/1920W
OFF
ON
35A or more
Switchboard connection
3000VA/2400W
ON
ON
* The bold font indicates factory settings.