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L wire
CAN
N wire
PE wire
3.10 Single phase parallel connec�on diagram
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
L
N
PE
Inverter
Inverter
No.3
(slave)
Ground
Inverter
No.2
(slave)
Inverter
No.1
(master)
Home Load
Battery pack
BMS 485
parallel_1 parallel_2 RS485
BMS CAN DRMs
① DC
Breaker
② DC
Breaker
③ DC
Breaker
①②③ DC Breaker for battery
SUN 3.6K-SG: 120A DC breaker
SUN 5K-SG: 150A DC breaker
④⑥⑧ AC Breaker for grid port
④
⑥
⑨
⑩ AC
Breaker
SUN 3.6K-SG: 40A AC breaker
SUN 5K-SG: 40A AC breaker
⑤⑦⑨ AC Breaker for backup load port
SUN 3.6K-SG: 32A AC breaker
SUN 5K-SG: 40A AC breaker
⑩ AC Breaker
Depends on household loads
Load
L N PE
L N PE
L N PE
Grid
Gen
Load
L N PE
L N PE
L N PE
Grid
Gen
Load
L N PE
L N PE
L N PE
Grid
Gen
CT
Arrow pointing
to grid
The second side of the CT
only needs to connect the
master inverter.
CT
⑤
⑦
⑧