SMA SI 4548-US - Manual (Page 66)

7 Control Elements SMA America, LLC
66 SI4548-6048-US-BE-en-20 Operating Manual
7.2 DC Circuit Breaker
The DC circuit breaker is used to switch on/off as well as to disconnect the Sunny Island on the DC
side (see Section 9 "Switching On and Off", page 74).
7.3 Buttons
The table explains the functions of the buttons on the Sunny Island:
Position 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)
Button Function
cancels the selected function
answers NO
navigates one menu level higher
stops device (when held pressed down)
navigates up one list element, increases data value
navigates down one list element, decreases data value