SMA Sunny Island 4548-US, Technical Description

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10 Operation SMA America, LLC
88 SI4548_6048-US-TB_en-13 Technical description
10.6 Display Messages (Overview)
The display has two lines, each with 16 characters. The first line shows the menu number and the menu
name, or the name of the parameter where applicable. The menu name is supplemented or the added
text is displayed (e.g. parameter value) in the lower line, if required.
"Home Screen"
The Sunny Island also shows the following values one after the other in the upper line of the
"Home Screen" (parameter name and parameter value in 3-second intervals):
• Bar display for output power or charging power (the direction of energy flow is displayed by
the arrows in the lower line)
• Total active power of the inverter (cluster)
• Active power of external source (total of all phases)
• Present state of charge of the battery (SOC)
Item Description
A Output power/charging power (load status)
B Direction of energy flow and system status
C Displays if the Sunny Island loaded parameters for grid operation or parameters
for generator operation.
D Device assignment
E Status of the external source (asterisk, question mark or exclamation mark)
F Relay 1 status
G Relay 2 status
H Warning message (exclamation mark)