Wattsonic AIO ESS | USER MANUAL
35
Inverter
B
B
BMS
Battery power cables connection
Battery communication cables connection
S te p 1 , p l e a s e p l u g i n
Batter y #1 B- to Sub-
M a s t e r B M S B a t t e r y
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 right with the cables in
accessories package.
Battery #1
Sub-Master BMS
Battery #5
Battery #2
Battery #4
The power cable and com cable can go through the back-sheet
of Battery #4 to hide the cables for better cables management.
The power cable from Battery #5 to Sub-Master BMS(+/+) can
go through the back-sheet of Battery#5, then through the black
cable covers of left string up to Sub-Master BMS to hide it.
Battery #3
Cross Cables Management
S t e p 3 , p l e a s e u s e t h e M c 4
conn/+) provided with right
length cables(suggested 1800mm)
to make power cable to plug in
Battery #5 B+ to Sub Master BMS
Battery Input+
Step2, then please plug in Battery
#1 Down to Battery #2 Up with
the COM cables in 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 batteries open COM
port.
Step1, please plug in Battery #1 Up
to Sub-Master BMS BMU with the
COM cables in accessories package.
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-
ISub-Master BMS + 5 Battery Modules
Please make sure the main
switch at OFF position during
installation to guarantee
high voltage protection.
Sub-Master BMS
Battery #1
Battery #2
Battery #5
Battery #3
Battery #4