SMA SC 250U Installation - Manual (Page 6)

General Warnings SMA America, LLC
6 SC250U_GFDI-IUS101711 Installation Guide
General warnings
General warnings
All electrical installations must be done in accordance with the local codes and National
Electrical Code
®
ANSI/NFPA 70.
The Sunny Central 250U contains no user-serviceable parts except for the fans on the
bottom of the enclosure and the filters behind the fans as well as the handle covers on the
sides of the unit. For all repair and maintenance, always return the unit to an authorized
SMA Service Center.
Before installing or using the Sunny Central 250U, read all of the instructions, cautions, and
warnings on the Sunny Central 250U in this installation guide.
Before connecting the Sunny Central 250U to the power distribution grid, contact the local
power distribution grid company. This connection must be made only by qualified
personnel.
Wiring of the Sunny Central 250U must be made by qualified personnel only.