SMA SUNNY BOY 3000-US Installation Manual page 89

SMA America, LLC
Additional required mounting material (not included in the scope of delivery):
☐ 4 functional and correctly rated string fuses must be available.
1. Open the DC Disconnect (see Section 9.3 "Opening the DC Disconnect", page 59).
2. Replace all string fuses:
• Remove the fuse extractor with ground fuse from
the fuse holder.
• Remove the defective string fuse from the fuse extractor and insert the new string fuse into
the fuse extractor.
• Insert the fuse extractor with new string fuse into
the fuse holder.
3. Close the DC Disconnect (see Section 9.4).
4. Commission the inverter (see Section 8).
Installation Manual
11 Cleaning and Care
SB30-40-US-IA-en-33 89