2 electrical installation, Electrical installation – SMA SB 4200TL HC Multi-String User Manual
Page 22

Installation
SMA
Technologie AG
Page 22
SBTLHCMS-IEN080411
Installation Guide
1.
Mount the wall bracket (1). To mark the posi-
tions to drill the holes, you can use the wall
bracket as a drilling template.
2.
Now hook the Sunny Boy onto the wall bracket
(2) at its upper mounting plate so that it cannot
be moved sideways.
3.
Fix the Sunny Boy onto its bracket by screwing
the supplied M6x10 bolt into the central thread-
ed hole at the bottom of the bracket (3).
4.
Make sure that the Sunny Boy is positioned se-
curely on the bracket.
6. 2 Electrical Installation
The complete wiring for a Sunny Boy is shown schematically in the following diagram:
Notice!
Make sure to check the polarity of the strings before connecting them!
String A
String B
AC connection, max. 10 mm²
Opening for
optional com-
munication