Connecting And Modifying Ac Input Cable - Omron POWLI BU100XR2 Instruction Manual

2. Installation and connection

2-3 Connecting and modifying AC input cable

● BU100XR2
Connect "AC Input Cable" to "AC Input Connector" of
BU100XR2.
● BU200XR2
1. AC Input Cable modification (In a case where input current exceeds 15A)
In a case where input current exceeds 15A ("Input 15A Exceeded" LED on the front panel will light up), pull
out the AC Input Cable from BU200XR2. Next, contact an electrician (a qualified electrician; Type II or
higher) to lay the AC Input Cable directly to a power switchboard.
• The current capacity must be over 20A. (a cable of 3.5mm
recommended)
• Insert 100AVC cable between L and N of "AC Input Terminal." Connect the ground cable to G of "AC Input
Terminal."
• Requirement for Terminal Block
Temperature rating of wire
intended to be used for
connection of unit
Min.60°C
The wire size based on the ampacities given in the National Electrical Code, ANSI/NFPA 70-1993,and the
derating factor described in Underwriters Laboratories Inc., Standerd for Safety UL1778-1994.
•AC Input Cable Replacement
(1) Remove the terminal-cover at AC input. (Two screws)
Terminal-cover
(2) Remove screws at terminals (L, N, G) connecting the cable to the terminals and remove the old AC input cable.
(3) Set the attached new AC input terminal-cover to the new AC input cable.
(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.
Copper Conductors Only
Use No.12 AWG 60°C or
75°C copper wire
unscrew these
L
N
G
2 or larger nominal cross section area is
Tightening torque
Approx 13.8 Lb-In
Use the new AC input terminal-cover
attached to the new cable.
Connect to AC input terminals by screws.
16
AC Input Cable
AC Input
Connector