SMA SUNNY BOY STORAGE 3.8-US Instructions D'installation page 67

SMA Solar Technology AG
9. Seal all enclosure openings with sealing plugs.
10. Remove the 2 screws on the right and left side of the
Power Unit (TX25) and retain them for later use. As
a result, the Power Unit and the Connection Unit are
not connected to one another.
11. Disconnect and remove the Power Unit from the Connection Unit.
12. Unscrew all the screws that are attached to the Connection Unit.
13. Remove the Connection Unit.
14. 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.
15. Tighten the 2 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)).
Installation Manual
9 Decommissioning the Inverter
SBSxx-US-10-IA-xx-14 67