Sunny Boy SWR 2500U Installation And Operator's Manual page 18

Sunny Boy 2500U
Connection of the PV-panels to the DC disconnect enclosure
WARNING: Completely cover the surface of all PV-arrays with opaque (dark)
material before wiring them. PV-arrays produce electrical energy when ex-
posed to light and could create a hazardous condition.
Depending on the type of PV-module used it is possible to connect one single string
or several parallel strings. Therefore there are three connections for both the + and
the - pole. Within the device these connections are connected in parallel each.
WARNING: Before connecting the connectors of the PV-panel to the DC
disconnect enclosure check the correct polarity and admissible PV-panel
voltage between the + and the - cable connectors of the PV-panel.
The PV-panel open circuit voltage must be below or at most equal to
600 V DC (V
SB2500U-11:NE
http://www.wholesalesolar.com/inverters.html
≤ 600 V DC) under all conditions. Please read chapter 7.1.1
PV
18
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Installation and Operator's Manual
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SMA Regelsysteme GmbH