SMA America, LLC
Configuring the Sunny Boy
Installation Guide
SB20_25_30HFUS-eng-IUS113711
37
5.4 Configuration after installation
If you would like to make configurations to the Sunny Boy although you already have installed the
Quick Module to the Sunny Boy , then proceed as follows.
5.4.1 Opening the installed Quick Module
1. Disconnect the Sunny Boy from all voltage sources (see section 8.1 ”Disconnect the Sunny Boy
from Voltage Sources” (page 65)).
2. Open the SMA DC Disconnect (see section 8.2 ”Open SMA DC Disconnect” (page 66)).
3. Pull the Quick Module carefully downwards to the
stopper.
☑ The Quick Module is completely visible.
4. Flip up the lower flap of the Quick Module and
open the lid.
5. Set the installation country and display language
(see section 5.2.2 ”Configuration for Bluetooth
communication” (page 34)).
6. Set the Net ID for
Bluetooth
communication
(see section 5.2.2 ”Configuration for Bluetooth
communication” (page 34)).
DANGER
High voltages inside the inverter
Death or serious injury due to electric shock.
• Switch off the line circuit breaker and secure it against being reactivated.
• If a multi-function relay is present, disconnect the multi-function relay power supply.
One and Two String Wiring
(for more strings and further information see manual)
One and Two String Wiring
(for more strings and further information see manual)
DC +
DC +
Negative Grounding
Negative Grounding
Positive Grounding
Positive Grounding
One and Two
String DC-Wiring
One and Two
String DC-Wiring
DC -
UNGROUNDED
UNGROUNDED
GROUNDED
GROUNDED
GROUNDED
GROUNDED
UNGRO
UNDED
UNGROUNDED
GROUNDED
GROUNDED
GROUNDED
GROUNDED
Terminal
=
~
Terminal
Terminal
=
~
Facing -
Inverte
r Wire
black (-)
Inverter Wire black (-)
Inverte
r Wire
red (+
)
Inverter Wire red (+)
PLUG-IN
GROU
NDING
PLUG-IN GROUNDING
+ +
+
B
A
2 3 5
7
2 3 5
7
1 2
3
012
3
4
5
678
9A
BC
D
EF
E
A
B
C
One and Two String Wiring
(for more strings and further information see manual)
One and Two String Wiring
(for more strings and further information see manual)
DC +
DC +
Negative Grounding
Negative Grounding
Positive Grounding
Positive Grounding
One and Two
String DC-Wiring
One and Two
String DC-Wiring
DC -
UNGROUNDED
UNGROUNDED
GROUNDED
GROUNDED
GROUNDED
GROUNDED
UNGROUNDED
UNGROUNDED
GROUNDED
GROUNDED
GROUNDED
GROUNDED
Terminal
=
~
Terminal
Terminal
=
~
Facing -
Inverte
r Wire
black (-)
Inverter Wire black (-)
Inverte
r Wire
red (+)
Inverter Wire red (+)
PLUG-IN
GROU
NDING
PLUG-IN GROUNDING
+ +
+
B
A
2 3 5
7
2 3 5
7
1 2
3
012
3
4
5
678
9A
BC
D
EF
E
A
B
C
