ON
1 2
ON
1 2
ON
1 2
- 24 -
L wireCAN N wire PE wire
Parallel
Master
Slave
Modbus SN
01
A Phase
B Phase
C Phase
Advanced Function
Paral.
Set3
Parallel
Master
Slave
Modbus SN
02
A Phase
B Phase
C Phase
Advanced Function
Paral.
Set3
Parallel
Master
Slave
Modbus SN
03
A Phase
B Phase
C Phase
Advanced Function
Paral.
Set3
Master inverter Slave Inverter Slave Inverter
Grid
Backup Load
L
N
PE
LNPE
Inverter
No.3
(slave)
Ground
Inverter
No.2
(slave)
Inverter
No.1
(master)
Home Load
Battery pack
① DC
Breaker
② DC
Breaker
③ DC
Breaker
①②③ DC Breaker for battery
SUN 3K-SG: 150A DC breaker
SUN 3.6K-SG: 150A DC breaker
SUN 5K-SG: 150A DC breaker
SUN 6K-SG: 200A DC breaker
④⑥⑧ AC Breaker for grid port
④
⑥
⑨
⑩ AC
Breaker
SUN 3K-SG:40A AC breaker
SUN 3.6K-SG: 40A AC breaker
SUN 5K-SG: 40A AC breaker
SUN 6K-SG: 40A AC breaker
⑤⑦⑨ AC Breaker for backup load port
SUN 3K-SG:40A AC breaker
SUN 3.6K-SG: 40A AC breaker
SUN 5K-SG: 40A AC breaker
SUN 6K-SG: 40A AC breaker
⑩ AC Breaker
Depends on Home Load
Load
L N PEL N PE
L N PE
Grid
Gen
Load
L N PEL N PE
L N PE
Grid
Gen
Load
L N PEL N PE
L N PE
Grid
Gen
The second side of the CT
only needs to connect the
master inverter.
CT
⑤
⑦
⑧
CT
Arrow pointing
to inverter
Inverter
RS 485/
METER
parallel_1 parallel_2
BMS 485/
CAN
DRMs