SMA SUNNY BOY STORAGE 3.8-US Instructions D'installation page 56

6 Electrical Connection
7. If 2 conductors have to be connected to a
grounding point, put both conductors between the
washer and clamping bracket and tighten the screw
(TX25, torque: 6 Nm ± 0.3 Nm (53 in-lb ± 2.65 in-
lb)). Here, each conductor must have contact with
an inner edge of the clamping bracket.
8. Strip off the DC conductor insulation.
9. Connect the conductors to the fuse holders in
accordance with the labeling. To do so, insert each
conductor into the terminal point of the fuse holder
and tighten the screw (PZ 2, torque: 2 Nm to
2.5 Nm (18 in-lb to 22 in-lb)).
10. Ensure that the terminal points are allocated to the correct conductors.
11. Ensure that the conductors are plugged completely into the terminal points up to their
insulation.
56 SBSxx-US-10-IA-xx-14
SMA Solar Technology AG
Installation Manual