Connecting The Switch And Outlet For Secure Power Supply Operation - SMA SUNNY BOY 3.0-US Instrucciones De Instalación

6 Electrical Connection
6.6 Connecting the Switch and Outlet for Secure Power
Supply Operation
Requirements:
☐ The technical requirements must be met for connecting the switch and outlet for secure power
supply operation (see Section 10 "Technical Data", page 60).
☐ All electrical installations must be carried out in accordance with the local standards and the
National Electrical Code
Additionally required material (not included in the scope of delivery):
☐ Conduits: 21 mm (0.75 in) or smaller with a proper reducing bush
☐ Rain-tight conduit fittings for wet locations complying with UL 514B: 21 mm (0.75 in) or
smaller with a proper reducing bush
Procedure:
• Connect the outlet for secure power supply operation.
• Connect the switch for secure power supply operation.
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)
1.
Danger to life due to high voltages
• Ensure that the inverter is disconnected from all voltage sources (see Section 8, page 56
).
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 from the conduit 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).
42 SB30-77-1SP-US-40-IA-xx-13
®
ANSI/NFPA 70 or the Canadian Electrical Code
SMA Solar Technology America LLC
®
CSA C22.1.
®
CSA C22.1.
Installation Manual