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SMA Technologie AG Overview

Installation Guide SB25_30-11:SE0307 Page 11

4 Overview

4.1 Unit Description

The following diagram gives a schematic overview of the various components and

connection points inside the Sunny Boy with the cover removed:

Varistors, section 9

Communication socket (RS232, RS485, NLM

Piggy-Back, radio), section 11

Sunny Display

Operating status

LEDs

Jumper slot for

communication

Communication socket

Plug socket (AC),

section 6.2.1

PE (protective earth) connector for cover

Flat plug connection for grounding the cable shield for

RS232 and RS485 communication

PV input plugs (DC), section 6.2.2

Housing feed-through for the optional Electronic Solar Switch

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PV Powered 2500 Installationsanleitung Seite 11