Omron BN75R Instruction Manual page 31

2
.Installation and connection
2-4-2. Connecting to BN300R input terminal block
When connecting the AC input directly from a power switchboard to
the BN300R, make sure that the wiring work is performed by a qualified
electrical engineer (with Type II certification or higher).
To use the BN300R with up to 3000VA/2700W, a wiring capacity of 42A or more is
●
required.
When changing the input cable for the BN300R, 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.
Failure to do so may result in electric shock or ground fault.
●
Not re-install power supply cord to the unit after re-configured the unit to permanent AC connection.
Replacing the BN300RW AC input cable
(1) Remove the terminal-cover at AC input. (Two screws)
(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.
(4) Connect the new AC input cable to AC input terminals by screws.
Be careful to polarities of L, N, G terminals and connect correctly.
19
Caution
Caution
Connect to AC input
terminals by screws.
unscrew these
Use the new AC input
terminal block cover
attached to the new cable.