SMA SBCBTL6 - Manual (Page 29)

SMA America, LLC Replacing string fuses
Installation Guide SBCBTLUS-IUS094510 29
9 Replacing string fuses
1. Open the Sunny Boy Combiner Box as described in section 8.1 ”Opening the Sunny Boy
Combiner Box” (page 27).
2. Remove all fuse holders.
DANGER
Danger to life due to high voltages on exposed contacts.
• All fuse holders must be plugged in, even if the fuse holder is blank.
DANGER
Danger to life due to high voltages within the device.
• Do not touch power cables and screw terminals.
NOTICE
Risk of fire due to incorrectly dimensioned fuse.
Injuries due to fire.
• For continuous protection, only replace fuses with fuses of the same type and size.
• Place the new fuses at exactly the same locations as the previous fuses.