SMA sunny boy 2000hf-us, Руководство по установке

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Maintenance and cleaning SMA America, LLC
76 SB20_25_30HFUS-eng-IUS113711 Installation Guide
8. If the PV plant shall be negatively grounded and is
properly wired as described in section 6.3, section
6.4 and section 6.5: connect the SMA Plug-in
Grounding to the terminal socket so that the ”—”
symbol shows to the front on the cap. Push the
SMA Plug-in Grounding upwards until it clicks into
place.
9. If the PV plant shall be positively grounded and is
properly wired as described in section 6.3, section
6.4 and section 6.5: connect the SMA Plug-in
Grounding to the terminal socket so that the ”+”
symbol shows to the front on the cap. Push the
SMA Plug-in Grounding upwards until it clicks into
place.
10. Close the SMA DC-Disconnect (see section
8.3 ”Closing the SMA DC-Disconnect” (page 67)).
11. Commission the Sunny Boy (see section
7 ”Commissioning” (page 63)).
☑ The SMA Plug-in Grounding fuse is changed.
N L1 L2
L1 N L2
+
L1 L2 N
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 Negative Grounding Positive Grounding
DC -
UNGROUNDED UNGROUNDED
GROUNDED GROUNDED
GROUNDED GROUNDED
UNGROUNDED GROUNDED GROUNDED
GROUNDED GROUNDED
Terminal
=
~
Terminal =
~
Facing - Facing -
Inverter Wire black (-) Inverter Wire black (-)
Inverter Wire red (+) Inverter Wire red (+)
PLUG-IN GROUNDING PLUG-IN GROUNDING
grounded ungrounded
+ +
N
L1 N L2
+
L1 L2 N
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 Negative Grounding Positive Grounding
DC -
UNGROUNDED UNGROUNDED
GROUNDED GROUNDED
GROUNDED GROUNDED
UNGROUNDED GROUNDED GROUNDED
GROUNDED GROUNDED
Terminal
=
~
Terminal =
~
Facing - Facing -
Inverter Wire black (-) Inverter Wire black (-)
Inverter Wire red (+) Inverter Wire red (+)
PLUG-IN GROUNDING PLUG-IN GROUNDING
N L1 L2
grounded ungrounded
N L1 L2
+ +