Xantrex Freedom EX 4000 Installation Manual page 32

Basic Installation Procedures
Figure 16 Parallel Stacking Using Two Freedom EX 4000s
B
AC IN AC OUT
L1 N L2 G L1 N L2 G
D
E
AC IN AC OUT
L1 N L2 G L1 N L2 G
G
Parallel Stacking Operation
When two inverter/chargers are stacked for parallel operation, Search Mode must be enabled. For information on Search Mode
setting, see the Freedom EX 4000 Owner's Guide (document number: 975-0999-01-01).
30
A
SOURCE
C
SOURCE PANEL
NEUTRAL BUS
F
M
COMMON
BUS
c For illustration purposes only. Not all electrical connections are shown.
INVERTER LOAD
The □ icon is a circuit-breakered main line connection to the line bus.
A RV AC Disctribution panels with AC
breakers for shore and inverter load
(downstream) circuits
B First Freedom EX 4000
C AC output cable with 3 wires (L1|N|G)
connected to the inverter's AC OUT
terminals (L1|N|G) and to the inverter
load sub-panel's common busses for
L1|N|G. The L1 line can be connected to
a single higher rated circuit breaker
(double the capacity of the source circuit
INVERTER PANEL
NEUTRAL BUS
breaker).
D AC input cable with 3 wires (L1|N|G)
connected to the inverter's AC IN
terminals (L1|N|G) and to the source
panel's common busses for L1|N|G.
COMMON
BUS
E Second Freedom EX 4000
F AC output cable with 3 wires (L1|N|G)
connected to the inverter's AC OUT
terminals (L1|N|G) and to the inverter
load sub-panel's common busses for
L1|N|G. The L1 line can be connected to
a single higher rated circuit breaker
(double the capacity of the source circuit
breaker).
G AC input cable with 3 wires (L1|N|G)
connected to the inverter's AC IN
terminals (L1|N|G) and to the source
panel's common busses for L1|N|G.
c
Do not connect to the inverter's L2
terminals in both units.
Freedom EX 4000 Installation Guide