SMA 600-US - Manual (Page 47)

SMA America, LLC 10 Decommissioning
Installation Manual CU600-1000US-IA-en-10 47
10 Decommissioning
10.1 Disassembling the Connection Unit
1. Disconnect the PV system from voltage sources (see inverter installation manual).
2. Remove all cables from the Connection Unit:
• Disconnect the Connection Unit from voltage sources (see Section 8).
• Release all cables from the terminals using a screwdriver and pull the cables out of the
Connection Unit.
• Unscrew the counter nut of the conduit fittings from the inside.
• Remove the conduit fittings and conduits with cables.
3. Mount the lid of the Connection Unit:
• Position the lid in such a way that the protruding shaft in the Connection Unit snaps into the
provided opening of the DC switch-disconnector.
• Attach all screws of the lid (torque: 35.4 in-lb. (4 Nm)).
4. Detach the screws from the mounting straps.
5. Remove the Connection Unit from the building ground.
6. To seal the Connection Unit, insert the original filler plugs or type 3R filler plugs into the
enclosure openings.
10.2 Packing the Connection Unit
• Pack the Connection Unit. Use the original packaging or packaging that is suitable for the
weight and dimensions of the Connection Unit.
10.3 Disposing of the Connection Unit
• Dispose of the Connection Unit in accordance with the applicable local disposal regulations for
electronic waste.