2 overview of the connection area, 1 interior view – SMA SI 3324 Errata User Manual
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SMA Solar Technology AG
Electrical Connection
Installation Guide
2/16
SI3324_4248-E-IEN094410
1.2 Overview of the Connection Area
1.2.1 Interior View
The following figure provides an overview of all connections of the Sunny Island:
Enclosure openings on the Sunny Island
All cables are fed through the enclosure openings on the bottom side of the Sunny Island and
connected to the appropriate connection terminals on the inside.
Object
Description
A
Grounding (DC and AC)
B
DC connection (negative)
C
DC connection (positive)
D
AC output (stand-alone grid)
E
AC input (generator or grid)
F
additional connection terminals (e.g. communication, control relays)
G
Interface slot for Piggy-Back
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