Wattsonic AIO ESS | USER MANUAL
33
Inverter
B
B
BMS
Inverter
B
B
BMS
Battery power cables connection
Battery communication cables connection
Please make sure the main
switch at OFF position during
installation to guarantee high
voltage protection.
Step1, please plug in Battery
#1 B- to Sub-Master BMS
Battery Input- with the cables
in accessories package.
Step2, then please plug
i n B a t t e r y # 1 B + t o
Battery #2 B-,then series
connected the following
b a t t e r y m o d u l e s a s
indicated by the black line
at left with the cables in
accessories package.
Battery #1
Sub-Master BMS
Battery #2
Battery #3
Step3, please use the
M c 4 c o n n e c t o r s ( + / + )
p r o v i d e d w i t h r i g h t
length cables(suggested
1800mm) to make power
cable to plug in Battery
#3 B+ to Sub Master BMS
Battery Input+
Step2, then please plug
i n B a t t e r y # 1 D o w n
to Battery #2 Up with
t h e C O M c a b l e s i n
accessories package,
then series connected
the following battery
modules as indicated by
the dotted blue line.
Step3, please plug into
the COM resistor from
standard accessories
packed together with
Sub-Master BMS to last
b a t te r i e s o p e n CO M
port.
Step1, please plug in
Battery #1 Up to Sub-
Master BMS BMU with
t h e C O M c a b l e s i n
accessories package.
Battery com
Battery Input
Battery Input
Inverter
Inverter COM.
DC ISOLATOR
OFF OFF
Service COM.
Inverter
Battery com
Battery Input
Battery Input
Inverter
Inverter COM.
DC ISOLATOR
OFF OFF
Service COM.
Inverter
B+
Down
up
B-
B+
Down
up
B-
B+
Down
up
B-
B+
Down
up
B-
B+
Down
up
B-
B+
Down
up
B-
ISub-Master BMS + 3 Battery Modules
(Wall Mounted) Battery Cables Connection
Battery Cables Connection
Battery <---->Inverter Cable connection(Power + COM)