SMA STP 15000TL Service Manual - Manual (Page 37)

• If only input A was secured with a surge
arrester, insert both new surge arresters into
the two upper slots. The inspection window
on each surge arrester must face to the
right.
5. Ensure that each surge arrester is securely inserted into its slot.
6. Tighten all four screws on the DC protective
cover with an Allen key (AF 3) in the sequence 1
to 4 (torque: 3 Nm ± 0.3 Nm).
7. Recommission the inverter (see Section 12, page 38).
11 Replacing the Surge Arrester SMA Solar Technology AG
Service Manual 37 STP15-17TL-10-SG-en-10