Connecting The Dc Cables - SMA SUNNY CENTRAL 500CP XT Installation Manual

SMA Solar Technology AG

10.3.5 Connecting the DC Cables

Additionally required mounting material (not included in the scope of delivery):
☐ Clean cloth
☐ Ethanol cleaning agent
Procedure:
1. Insert the DC cables into the interface cabinet.
2. Strip the DC cable insulation.
3. Fit terminal lugs to the DC cables.
4. Wipe the contact surfaces on terminal lugs and connection lugs with a clean cloth and ethanol cleaner. Do not touch
the surfaces once they have been cleaned.
5. Connect the DC 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.
Type of terminal lug
Tin-plated aluminum terminal lug on copper bar
Tin-plated copper terminal lug on copper bar
Tin-plated aluminum or copper terminal lug on aluminum bar
6. Fasten the DC cables to the cable support rail.
Installation Manual
10 DC Connection
Torque
37 Nm
60 Nm
37 Nm
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