SMA SUNNY BOY 3.0-US Instructions D'installation page 43

SMA Solar Technology AG
Connect the outlet for secure power supply operation
Requirements for the conductors:
☐ The conductors with regards to its ampacity, rated temperatures, operating conditions and its
power loss must be made in accordance with the local standards and the National Electrical
®
Code ANSI/NFPA 70 or the Canadian Electrical Code
☐ Conductor type: copper wire
☐ The conductors must be made of solid wire, stranded wire or fine stranded wire. When using
fine stranded wire, bootlace ferrules must be used.
☐ Conductor cross-section: 2.5 mm² to 4 mm² (14 AWG to 12 AWG)
☐ Maximum length of conductors: 10 m (33 ft)
Procedure:
1.
Danger to life due to high voltages
• Ensure that the inverter is disconnected from all voltage sources (see Section 8,
page 61).
2. Remove the sealing plug from the enclosure opening for connecting the outlet for secure
power supply operation.
3. Insert the conduit fitting into the opening and tighten from the inside using the counter nut.
4. Attach the conduit to the conduit fitting.
5. Guide the conductors into the inverter.
6. Connect the equipment grounding conductor of the outlet for secure power supply operation
to an equipment grounding terminal:
• Strip the insulation of the equipment grounding conductor by 18 mm (0.71 in).
• Insert the screw through the conical spring
washer, the clamping bracket and the washer.
• Guide the equipment grounding conductor between the washer and clamping bracket
and tighten the screw (TX 25) (torque: 6 Nm ± 0.3 Nm (53.10 in-lb ± 2.65 in-lb)).
Installation Manual
®
CSA C22.1.
DANGER
SBxx-1SP-US-41-IA-xx-12
6 Electrical Connection
43