KUSSMAUL 091-269-12-2000, Installation Manual

Page: 27 / 88

Planning Preparations
Distribution Panels
Some systems incorporate distribution panels both ahead of
the inverter/charger (the AC source panel) and between the
inverter/charger and the loads (the AC load panel). The AC
source panel includes a main circuit breaker, which serves as
overcurrent protection for the panel. Additional circuit
breakers serve individual circuits, one of which serves the
inverter/charger.
AC Wiring
Definition AC wiring includes input wiring (all the wires
and connectors between the AC source and the inverter/
charger input) and output wiring (all the wires between the
inverter/charger and the AC load panels, circuit breakers, and
loads).
Type The type of wiring required varies according to the
electrical codes or regulations applicable to your installation.
For
VRPH
applications, this may be solid wire in multi-
conductor cables, but stranded wire is required if single
conductors are used. All wiring must be rated 90 °C or
higher.
Size of AC Input Wiring Wire size must be coordinated
with the overcurrent protection provided ahead of the wire
involved, in accordance with the electrical codes or
regulations applicable to your installation.
Therefore, the wiring used between the AC input circuit
breaker and the inverter/charger input must be sized to match
the input breaker rating.
For dual input, the wire may be red or black; consult the
documentation provided with the AC source (utility or
generator).
Table 2
AC Wire Size In and Out of the Inverter/Chargers
02'(/6
$3 $3
Split phase Dual input
Breaker Size
Used 30 amps per line 30 amps per line 30 amps
Wire Size No. 10 AWG No. 6 AWG No. 10 AWG
Color
Coding L1 : black:
N
: white
L2 : red
Gnd
: green
L1 : red or black
N
: white
L2 : red or black
Gnd
: green
L : red or black
N
: white
G : green