SMA SC 500CP-10-JP Installation Manual - Manual (Page 57)

SMA Solar Technology AG 11 AC Connection
Installation Manual SCCP-JP-IA-A4-en-12 57
Procedure:
1. Insert the AC cables in the interface cabinet.
2. Strip the AC cable insulation.
3. Fit the AC cables with terminal lugs.
4. Clean the contact surfaces using a clean cloth and ethanol cleaning agent.
5. Clean the contact surfaces with the non-woven abrasive until they have a light metallic sheen. Ensure that the coated
contact surfaces are not damaged.
6. Remove metal dust with a clean cloth and ethanol cleaning agent.
7. Do not touch the contact surfaces again after cleaning.
8. Connect the AC cables with the specified torque in accordance with the circuit diagram. Only use the screws,
nuts and washers included in the scope of delivery and make sure that the screw heads always point forwards.
9. Attach the AC cables to the cable support rail. This will prevent the cables from being pulled out inadvertently.
10. If you do not wish to continue with installation work at present, close the Sunny Central (see Section 15.10
"Switching On the Sunny Central", page 78).
Type of terminal lug Torque
Tin-plated aluminum terminal lug 37 Nm
Tin-plated copper terminal lug 60 Nm