SMA America, LLC
Opening and closing
Installation Guide
SBCBTLUS-IUS094510
27
8 Opening and closing
8.1 Opening the Sunny Boy Combiner Box
1. Untighten the four screws of the enclosure lid. Pull
the lid forward smoothly.
2. Place the lid aside. There it will be out of your way
while you are connecting wires and cables to the
Sunny Boy Combiner Box.
☑ The Sunny Boy Combiner Box is opened.
DANGER
Risk of electric shock when opening the Sunny Boy Combiner Box under load.
Death or serious injuries will result.
• Cover the PV modules with an opaque material during installation.
DANGER
High voltages are present in the Sunny Boy Combiner Box.
Death or serious injury due to electric shock will result.
• Switch off the inverter as described in the installation guide of the inverter.