AC Voltage Configuration SMA America, LLC
22 SB50US-80US-IA-en-36 Installation Manual
4.4 Jumper for System Configuration
By setting the jumper, you configure the Sunny Boy for different grid topologies. This means that
operation in system configurations without neutral conductors, such as 208 V and 240 V Delta, is
possible. The following figure provides an overview of the standard settings, the settings for grids
without neutral conductors, and the settings for the fan test.
* The Sunny Boy 8000-US must not be connected to a 208 V grid.
In the event of frost, the fan cannot be inspected
The fans are not activated under 32 °F (0 °C).
208V with neutral conductor*240 V with neutral conductor
or 277 V
208 V Delta, without neutral conductor or *
208 V Delta, grounded *
240 V Delta, without neutral conductor or
240 V Delta, grounded
Fan test
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