SMA sunny boy 2000hf-us, Руководство по установке

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SMA America, LLC Wiring the Sunny Boy
Installation Guide SB20_25_30HFUS-eng-IUS113711 53
13. Connect two of the additional wires to the terminals (D).
14. Connect the third additional wire to screw clamp (E):
– Completely open the screw clamp (turn the screw counterclockwise).
– Feed in the wire from below into the screw clamp.
– Close the screw clamp (turn the screw clockwise).
15. Connect two of the positive DC wires of the PV strings to the terminals (H).
16. Connect the third positive DC wire of the PV strings to screw clamp (F).
– Completely open the screw clamp (turn the screw counterclockwise).
– Feed in the wire from below into the screw clamp.
– Close the screw clamp (turn the screw clockwise).
17. Plug the equipment grounding conductor of the
PV plant into terminal (B).
18. If there is a grounding electrode conductor:
plug the grounding electrode conductor into
terminal (A).
☑ 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 positively.
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