Overview Of The Connection Area; View From Below - SMA SUNNY BOY 3.0-US Instrucciones De Instalación

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6 Electrical Connection
Damage to the inverter due to moisture ingress during electrical installation
• Never open the inverter when it is raining or snowing, or the humidity is over 95%.
• For attaching the conduits to the enclosure, only use UL-listed rain-tight conduit fittings or UL-
listed conduit fittings for wet locations complying with UL514B.
• Seal all unused openings tightly.
Electrical installations
All electrical installations must be carried out in accordance with the local standards and the
National Electrical Code
• Before connecting the inverter to the utility grid, contact your local grid operator. The
electrical connection of the inverter must be carried out by qualified persons only.
• Ensure that no cables used for electrical connection are damaged.
6.2

Overview of the Connection Area

6.2.1

View from Below

Figure 7 : Enclosure openings at the bottom of the inverter
Position
Designation
A
Enclosure opening for DC connection (for 21 mm (0.75 in) trade size conduits)
B
Enclosure opening for DC connection (for 21 mm (0.75 in) trade size conduits)
C
Enclosure opening for the connection cables of the Antenna Extension Kit (optional)
and, if needed, for other data cables (for 21 mm (0.75 in) trade size conduits)
D
Enclosure opening for the network cables and, if needed, for other data cables (for
21 mm (0.75 in) trade size conduits)
E
Enclosure opening for the connection cables of the outlet and, if necessary, for the
switch for the secure power supply operation (for 21 mm (0.75 in) trade size con-
duits)
F
Enclosure opening for AC connection (for 21 mm (0.75 in) trade size conduits)
G
Enclosure opening for AC connection (for 21 mm (0.75 in) trade size conduits)
26
SB30-77-1SP-US-40-IA-xx-13
®
ANSI/NFPA 70 or the Canadian Electrical Code
SMA Solar Technology America LLC
®
CSA C22.1.
Installation Manual

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