SMA SUNNY BOY 4000-US - Page 45

SMA America, LLC 6 Electrical Connection
Installation Manual SB30-40-US-IA-en-33 45
• To negatively ground the DC input, insert the fuse extractor with ground fuse into the fuse holder
and insert the jumper into the pin header:
• Insert the fuse extractor with ground fuse into the
upper fuse holder.
• Insert the jumper into the upper pin, labeled
"NEG", of the pin header.
• To positively ground the DC input, insert the fuse extractor with ground fuse into the fuse holder
and insert the jumper into the pin header:
• Insert the fuse extractor with ground fuse into the
lower fuse holder.
• Insert the jumper into the lower pin, labeled
"POS", of the pin header.