General warnings 8"3 – SMA SC 250U User Manual
Page 6

General Warnings
SMA America, LLC
6
DISU_SCUS-IA-IUS111711
Installation Guide
General warnings
8"3/*/(
All electrical installations must be done in accordance with the local codes and National Electrical
Code
®
ANSI/NFPA 70 or the Canadian Electrical Code
®
CSA C22.1.
Before installing or using the Disconnect Unit for Sunny Central 250U / 500U / 500HE-US/CA
and Sunny Central CP, read all of the instructions, cautions, and warnings on the AC/DC-Disconnect
Unit for Sunny Central 250U / 500U / 500HE-US/CA and Sunny Central CP in this installation
guide.
Before connecting the Disconnect Unit for Sunny Central 250U / 500U / 500HE-US/CA and
Sunny Central CP to the power distribution grid, contact the local power distribution grid company.
This connection must be made only by qualified personnel.
Wiring of the Disconnect Unit for Sunny Central 250U / 500U / 500HE-US/CA and Sunny Central
CP must be made by qualified personnel only.