10
C048-740-30 R02, Rev. C (01/2020)
4.4.1
4.4.1 Dual-Bus Input Connections (with Internal
Dual-Bus Input Connections (with Internal
RTN)
RTN)
The hot and return buses on the dual-bus configuration are
all equipped with interconnection jumpers, thus hot/return
input cables are to be installed only on hot/return positions
1-2 on this configuration (see Figure 10). For more detailed
information, refer to Appendix B and C for input bus and cable
layout.
Step 1.
Remove the input bus plastic safety covers (see Figure
5 on Page 9).
Step 2.
Install the hot input cables/lugs to hot input positions
1-2 (see Figure 8 on Page 9).
Step 3.
Install the return input cables/lugs to return input
positions 1-2 (see Figure 9 on Page 9).
Step 4.
Bolt all lugs to the bus bars using a flat and lock washer.
Tighten all of the hardware and ensure that the lugs are
straight and parallel with each other as they mount to
the bus bars.
Step 5.
Reattach the input bus plastic safety covers.
4.4.2
4.4.2 Dual-Bus Input Connections (without
Dual-Bus Input Connections (without
Internal RTN)
Internal RTN)
The hot buses on the dual-bus configuration are all equipped
with interconnection jumpers, thus hot input cables are to be
installed only on hot positions 1-2 on this configuration (see
Figure 11). For more detailed information, refer to Appendix B
and C for input bus and cable layout.
Step 1.
Remove the input bus plastic safety covers (see Figure
5 on Page 9).
Step 2.
Install the external return input connections.
Step 3.
Install the hot input cables/lugs to hot input positions
1-2 (see Figure 8 on Page 9).
Step 4.
Bolt all lugs to the bus bars using a flat and lock washer.
Tighten all of the hardware and ensure that the lugs are
straight and parallel with each other as they mount to
the bus bars.
Step 5.
Reattach the input bus plastic safety covers.
Figure 10. Dual-Bus HOT/RTN Input
Connections
(with Internal RTN)
Figure 11. Dual-Bus HOT Input
Connections
(without Internal RTN)
