SMA America, LLC
6 Electrical Connection
Installation Manual
CU600-1000US-IA-en-10
31
7. Insert one conduit fitting each into the corresponding enclosure opening and tighten from within
using the counter nut.
8. Attach the conduit to the enclosure opening.
9. Close an unused output opening on top of the Connection Unit with UL-listed type 3R filler plugs.
10. Close unused input openings of the Connection Unit with the factory-mounted filler plugs.
6.4 Connecting the Grounding Conductor
The Connection Unit is equipped with two terminals for connecting the grounding conductors. Each
terminal has two connection points.
Overview
Figure 12: Terminals for connecting the grounding conductors
Cable requirements:
☐ The cable must be designed in accordance with the local installation requirements and for
temperatures of over +194°F (+90°C).
☐ Cable type: copper wire
☐ Use only solid wire or rough wire strands.
☐ Conductor cross-section: AWG 8 to AWG 2 (10 mm² to 35 mm²)
6.
Risk of injury when pressing out the filler plugs
• To connect the conduits to the input openings of the Connection Unit, gently press out one
filler plug for each conduit from the inside with a blunt object (e.g screwdriver handle).
Make sure not to damage components of the Connection Unit or of the filler plugs.
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12621 E FM 917 Suite A Alvarado, Tx 76009
