SMA Sunny Tripower CORE2 - Page 40

8 Electrical Connection
SMA Solar Technology AG
Operating manualSTP110-60-BE-en-1640
11. Insert the stripped conductor section into the ring
terminal lugs and crimp using a crimping tool.
12. Pull the heat-shrink tubings onto the crimped section
of the ring terminal lugs and using a hot-air blower
shrink them so that they are in firm contact with the
ring terminal lugs.
4x4x4x
13. Hook the conductors with the ring terminal lugs as
labeled for L1, L2, L3 and the grounding conductor
onto the threads at the top of the cable
compartment.
L2
L1
L3
PE
4x4x4x
14. Install 1 washer each and tighten the hex nut using
a ratchet (AF19, torque: 20to30Nm).
L2
L1
L3
PE
4x4x4x
15. Tighten the swivel nut to the cable gland of the AC connection (SW83, torque: 15Nm to
19Nm). Ensure that the AC cable is not under tension.
Tighten all 4 swivel nuts when using the optional AC sealing plate (SW53, torque: 10Nm to
13Nm). Ensure that the AC cables are not under tension.
16. Attach the protective cover in front of the AC connection using the 4 screws (PH2, torque:
1.5Nm).
17. Move the limiting lever back to its original position and close the cable compartment cover.