Connection Of One Battery With A Charging/Discharging Current Limit Of 20 A; Connection Of A Battery With A Charging/Discharging Current Limit Of 30 A - SMA SUNNY BOY STORAGE 3.7 Operating Manual

6 Electrical Connection
The battery limited to a charging/discharging current of 10 A must be connected to the terminal
blocks C+ and C-.
BAT 20 A
_
+
Figure 17: Overview for connection of two batteries with varying charging/discharging current limits
6.8.1.3 Connection of one battery with a charging/discharging current
limit of 20 A
You may connect one battery with a charging/discharging current limit of 20 A each to the
inverter.
Procedure:
The DC terminals A and B must be switched parallely using the jumpers provided.
The battery must be connected to the terminal blocks A+ and A-.
BAT 20 A
_
+
Figure 18: Overview for connection of one battery with a charging/discharging current limit of 20 A
6.8.1.4 Connection of a battery with a charging/discharging current
limit of 30 A
You may connect one battery with a charging/discharging current limit of 30 A each to the
inverter.
Procedure:
All DC terminals must be switched parallely with the jumpers provided.
56 SBSxx-10-BE-en-11
BAT 10 A
_
+
A+ B+
A+ B+ C+ A− B− C−
C+ A− B− C−
SMA Solar Technology AG
DC-in COM AC-out SPS
_
+
M1 M2
X1 X2
ANT.
FCC ID: SVF-KP20
IC: 9440A-KP20
A B D-IN
DC-in COM AC-out SPS
_
+
M1 M2
X1 X2
ANT.
FCC ID: SVF-KP20
IC: 9440A-KP20
A B D-IN
Operating manual