Operating Manual SB3-5TL-21-BE-en-10 13
SMA Solar Technology AG 4 Product Description
4 Product Description
4.1 Sunny Boy
The Sunny Boy is a transformerless PV inverter with two MPP trackers which converts the direct current
of the PV array to grid-compliant alternating current and feeds it into the utility grid.
Figure 2: Sunny Boy design
Item Explanation
A Type label
The type label uniquely identifies the inverter. The type label is located on the
right-hand side of the enclosure. You will require the information on the type
label to use the product safely and when seeking customer support from the
SMA Service Line. You will find the following information on the type label:
• Device type (Model)
• Serial number (Serial No.)
• Date of manufacture
• Device-specific characteristics
BLEDs
The LEDs indicate the operating state of the inverter.
CDisplay
The display shows the current operating data and events or errors.
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