10
5 PCS / Battery Inter-Cabinet
Wiring
The following instructions cover the interconnection
wiring of the PCS and master battery cabinet. No
cable preparation is required with battery modules
pre-installed in the cabinet. Refer to appendix A for a
complete inter-cabinet wiring diagram.
Note:
Overcurrent protection of the DC
source is provided internally as part of the
integrated battery system. No external DC
disconnect is required.
5.1 Battery power cable connections
CAUTION!
A torque wrench is required to
ensure the power cables are terminated to
their specifications.
Over-torque can
damage the DC breaker and/or strip the threads on the
copper bus bar posts. Under-torque can result in an
arc fault hazard, and risk of fire. Damage as a result of
improper termination is not covered by the
manufacturer warranty.
1.
Remove the plastic safety barrier on the power
panel assembly inside the master battery cabinet
by removing the three white plastic lug nuts on
the top of the safety barrier.
2.
Route the battery cables from the PCS cabinet to
the battery cabinet.
3.
Loosen the PCS DC- terminal bolt using a 17mm
socket wrench. Remove the ground cable.
4.
Place the DC- cable and ground cable ring
terminals back-to-back, and mount them to the
PCS DC- bus bar. Tighten the bolt using the
17mm socket. Torque to 6.8 Nm.
5.
Connect the Battery positive (+) cable to the PCS Batt+ bus bar terminal on the rear of the battery disconnect
switch using a 3/8” socket wrench. Torque to 4.0 Nm.
PCS
GN
1
2
3
4
5
Plastic barrier
Figure 6: Battery power cable installation.
