Connecting To Bn220T/Bn300T Input Terminal Block - Omron BN50T Instruction Manual

2-3-2 Connecting to BN220T/BN300T input terminal block

When connecting the AC input directly from a power switchboard to the
BN220T/BN300T, make sure that the wiring work is performed by a quali-
fied electrical engineer (with Type II certification or higher).
 To use the BN300T with up to 3000VA/2700W, please use No. 8 AWG, 75 deg C
copper wire type THHN/THWN/THWN-2.
When changing the input cable for the BN220T/BN300T, make sure to
perform the connection as specified.
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.
Do not re-install power supply cord to the unit after re-configured the unit
to permanent AC connection.
 Failure to do so may result in electric shock or ground fault.
 Replacing the BN220T/BN300T AC input cable BN220T/BN300T
1
. Loosen the AC input terminal block cover screws (2 screws) and remove the cover.
Unscrew these
2
. Remove screws at terminals (L, N, G (PE)) connecting the cable to the terminals and
remove the old AC input cable.
3
. Run the newly connected cable through the included AC input terminal block cover.
BN50T/BN75T/BN100T/BN150T/BN220T/BN300T
Caution
(for connection)
Caution
(for connection)
BN220T
Use Copper Conductor Onl y.
Refer to the instruction manual
for the tightening torque.
2 Installation and connection
2-3 Connecting the AC input
2
2-9