2.Installation and connection
16
AC input plug replacement procedure
1. Disconnect the plug to be replaced.
2. Connect the replacement plug as shown in the diagram on the right.
Connect the black wire to the L pole, the white wire to the N pole, and
the green wire to the FG pole.
Make sure the wire colors match those in the diagram before
tightening the screws
•
It is possible to connect the 15A (NEMA5-15P) plug to a 2-pin outlet when
using the included 3P-2P adapter.
In this case, make sure the grounding is connected separately.
L: Black
FG: Green
N: White
When replacing the plug, make sure to change setting switches 7 and 8 (located on the back of
the unit) as shown in the table below.-
(4) When the installation and connection is complete, connect the AC Input Plug of the UPS to a wall
outlet (commercial power).
(5) For BN220S/BN300S, turn ON the AC input overcurrent protection [INPUT PROTECTION] on the
back of the unit after connecting to the commercial power.
Make sure the wall outlet is protected by a branch type beaker wihich rating is equal to
the rating of AC input plug.
BN150S BN220S BN300S
OFF OFF
15A (at shipment )
30A (at shipment ) 30A (at shipment )
(NEMA5-15P)
15A
(NEMA5-15P)
15A
(NEMA5-15P)
ON OFF
20A
(NEMA5-20P
NEMAL5-20P)
20A
(NEMA5-20P
NEMAL5-20P)
20A
(NEMA5-20P
NEMAL5-20P)
OFF ON -
(NEMAL5-30P) (NEMAL5-30P)
ON ON - -
50A
(NEMA5-50P)
AC input plug selection/ Setting switches 7 and 8
Setting switch 7 Setting switch 8
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