SMA AC-SPD STP 110-60 - Commissioning the Inverter; Pre-Commissioning Checks

8 Commissioning the Inverter
SMA Solar Technology AG
Replacement ManualSTPxxx-60-AC-SPD-RM-xx-1020
12. Attach the four lower conductors (L1, L2, L3, and
PE) with the ring terminal lugs as labeled for L1, L2,
L3, and PE to the threads at the top of the cable
compartment.
L2
L1
L3
PE
4x4x4x
13. Install one washer each and tighten the hex nut
using a ratchet (AF19, tightening torque: 40Nm).
L2
L1
L3
PE
4x4x4x
14. Ensure that the cables and AC terminals are properly tightened by performing a pull and
torsion test on all mounted cables.
15. Reattach the AC protective cover in front of the AC
connection using the remaining screws (M4x10)
from the scope of delivery (PH2, tightening torque:
1.5Nm).
L2
L1
L3
16. Recommission the inverter (see Section8, page20).
8 Commissioning the Inverter
Requirements:
☐ All cables must be correctly connected.
☐ Unused enclosure openings must be sealed tightly with sealing plugs.
ENGLISH