SMA America, LLC
Wiring the Sunny Boy
Installation Guide
SB20_25_30HFUS-eng-IUS113711
41
Overview Connection Area
Object
Description
A
DC side terminals
B
Connection point grounding Sunny Boy / SMA DC-Disconnect
C
AC side terminals
D
Opening for AC cable
E
Connector for fan power supply
F
DC-Disconnect Switch
G
Openings for DC cable
H
Top-hat rail for optional string fuses
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 +
Negative Grounding
Positive Grounding
DC -
UNGROUNDED
GROUNDED
GROUNDED
UNGROUNDED
UNGROUNDED
GROUNDED
GROUNDED
Terminal
=
~
Terminal
Terminal
=
~
Facing -
Inverter Wire black (-)
Inverter Wire red (+)
PLUG-IN GROUNDING
PLUG-IN GROUNDING
grounded
ungrounded
G
D
H
A
E
B
F
C
N
L1
N
L2
+
L1 L2
N
N
L1 L2
+
+
Содержание sunny boy 2000hf-us
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