Wattsonic AIO ESS | USER MANUAL
39
Battery power cables connection
Battery communication cables connection
Step1, please plug in Battery #1 B- to
Sub-Master BMS Battery Input- with
the cables in accessories package.
Step2, then please plug in Battery #1 B+
to Battery #2 B-,then series connected
the following battery modules as
indicated by the black line at left with
the cables in accessories package.
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 B+ in the bottom battery 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.
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.
Inverte
r
B+
Do
wn
up
B-
B+
Do
wn
up
B-
B+
Do
wn
up
B-
B+
Do
wn
up
B-
Inverter
com
B
B
Battery #1
Sub-Master BMS
Battery #2
Battery #3
Battery #4
(Stackable) Battery Cables Connection
Please make sure the main
switch at OFF position during
installation to guarantee high
voltage protection.