Installation Instructions

Electrical Connection SMA Solar Technology AG
16 SB11_12_17-IEN100132 Installation Guide
5.1.2 Interior View
The following diagram gives a schematic overview of the various components and connection points
inside the Sunny Boy with the lid removed:
Object Description
A Varistors, section 9.1.2
B Connection area and sockets for communication (RS485, radio), section 5.4
C Display
D PE (protective earth) connecting cable for cover
E Operating status LEDs
F Plug socket (AC), section 5.2
G Tab for grounding the cable shield with RS485 communication
H PV input plugs (DC), section 5.5
I Electronic Solar Switch (ESS) socket