SMA SC 250U Installation - Manual (Page 9)

SMA America, LLC Notes on this manual
Installation Guide SC250U_GFDI-IUS101711 9
1 Notes on this manual
This manual describes the modification of a Sunny Central 250U from GFDI negative groundig to
GFDI positive grounding. This manual does not cover any details concerning PV modules. All relevant
information is available from the respective manufactures.
Keep this manual in a convenient place for future reference.
1.1 Target group
This manual is for qualified personnel only. Qualified personnel have received training and have
demonstrated skills and knowledge in the construction and operation of the device. Qualified
personnel are trained to deal with the dangers and hazards involved in installing electric devices.
1.2 Syntax
In this document the Sunny Central 250U is referred to in the following as Sunny Central.
In this document SMA America Production, LLC is referred to in the following as SMA.