Sunny Boy 2500U
Installation and Operator’s Manual
SB2500U-11:NE
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23
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SMA Regelsysteme GmbH
If the input voltage is high enough the Sunny Boy should start to feed inverted PV-
power fully automatically to the grid, once enough power is coming from the PV-
modules.
The design of the Sunny Boy makes sure that its internal consumption is as low as
possible. The Sunny Boy requires a maximum 7 W internal consumption which it
takes from the PV-panel.
If you measure the voltage of the PV-modules you must keep in mind the inverter’s
internal consumption that will have an effect on your measurement with lower solar
radiation. The open circuit voltage of the PV-panel will therefore not be displayed.
The internal consumption is negligible for the voltage measurement with higher solar
radiation.
The operating state of the Sunny Boy will be indicated with three LEDs integrated
into the lid. The meaning of the LEDs will be explained in chapter 4, “Operation and
Failure Indication LEDs”.
