SMA SUNNY BOY 3.0-US Instructions D'installation page 64

9 Decommissioning the Inverter
13. Unscrew all the screws that are attached to the Connection Unit.
14. Remove the Connection Unit.
15. Connect the Connection Unit to the Power Unit. Make sure that the screw holes on the left and
right sides of the Power Unit are directly over those of the Connection Unit; and the cables
protruding from the Power Unit must not be pinched.
16. Tighten the two screws on the right and left side of the Power Unit (TX25) (torque: 6 Nm ± 0.3
Nm (53 in-lb ± 2.65 in-lb)).
17. Lead the enclosure lid to the Connection Unit and plug the display cable into the socket on the
communication assembly.
18. Ensure that the display cable is securely plugged into the sockets at both ends.
19. Position the enclosure lid of the Connection Unit on the enclosure and tighten all 6 screws
crosswise (TX 25, torque 3 Nm ± 0.3 Nm (26.55 in-lb ± 2.65 in-lb)).
20. If the inverter is to be stored or shipped, pack the inverter. Use the original packaging or
packaging that is suitable for the weight and dimensions of the inverter and secure the
packaging with tension belts, if necessary.
21. Dispose of the inverter in accordance with the locally applicable disposal regulations for
electronic waste.
64 SBxx-1SP-US-41-IA-xx-12
SMA Solar Technology AG
Installation Manual