SMA Technologie AG Sunny Boy
Technical Description SI5048-11:EE4206 Page 117
16 Sunny Boy
The following section provides information for connecting and configuring the Sunny
Boy inverter in stand-alone grid systems. At the time this documentation was printed, the
following products could be used with a Sunny Island 5048:
• Sunny Boy inverters (for feeding in from PV systems):
SB 700 / SB 1100 / SB 1100LV / SB 1700 / SB 2500 / SB 2800i / SB 3000
/ SB 3300 / SB 3800 / SMC 5000 / SMC 5000A / SMC 6000 / SMC 6000A
/ SMC 6000TL / SMC 7000TL / SMC 8000TL
• Windy Boy inverters (for feeding in from wind turbines or hydropower systems):
WB 1100 / WB 1700 / WB 2500 / WB 2800i / WB 3000 / WB 3300 /
WB 3800 / WB 6000
• All Hydro-Boy inverters (for feeding in from fuel cell systems)
16.1 Connection to the Stand-alone Grid
• Connect the Sunny Boy inverter to the grid in accordance with the Sunny Boy
installation guide.
• Wire the AC sub-distribution unit to the AC1 terminals of the Sunny Island 5048.
• You must set the corresponding parameters in the Sunny Boy to suit a stand-alone
grid so that it works properly together with the Sunny Island 5048. The required
values for these settings are described in the next section.
Ensure that the entire connection area of the Sunny Island 5048 is free of
voltage before installing the Sunny Boy inverter. Please pay attention to
section 3 "Safety Instructions" (Page 23).
The Sunny Island 5048 no longer requires a special setting when used with Sunny
Boy inverters (this is not the case with the Sunny Island 3324/4248).
For a PV generator with an installed capacity of 5 kWp, combined with two Sunny
Boy inverters (2500 W each), you need a battery capacity of at least 500 Ah.
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