SMA America, LLC
Wiring the Sunny Boy
Installation Guide
SB20_25_30HFUS-eng-IUS113711
47
7. Plug the equipment grounding conductor of the
PV plant into terminal (B).
8. If there is a grounding electrode conductor: plug
the grounding electrode conductor into terminal
(A).
9. Verify that all connections are correctly wired and
properly torqued. Pull the cables in order to make
sure that they are sufficiently fixed.
☑ The Sunny Boy is connected on the DC side ready to ground the PV plant negatively.
The grounded conductor may be color coded in accordance with the
National Electrical Code
®
article 200.
• Use electricians tape for coding the grounded conductor.
iring
rmation see manual)
One and Two String Wiring
(for more strings and further information see manual)
e Grounding
Negative Grounding
Positive Grounding
ROUNDED
UNGROUNDED
OUNDED
GROUNDED
GROUNDED
UNGROUNDED
UNGROUNDED
OUNDED
GROUNDED
GROUNDED
minal
Terminal
=
~
Terminal
Terminal
=
~
cing -
Facing -
L1
N
L2
+
L1 L2
N
N
L1 L2
+
+
B
A
Содержание sunny boy 2000hf-us
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