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Battery symbol
The number of bars symbolizes the charge status of the battery
Inverter symbol
Inverter symbol
Load symbol
Symbol for all loads
Messages symbol
Symbol for messages that occur during operation
Energy flow arrows
Operating concept
Available Opera-
ting Modes
Standby STB operating mode
The AC output voltage is turned off in Standby operating mode. The load is
reduced on the display and components for data communication.
AUTO load detect operating mode
A test signal is sent periodically to the output in the Load detect operating
mode. When a load is detected, the device is turned on until the load is again
turned off. Using this energy saving mode, a time delay can be set for turning
on loads in the Setup menu.
ON continuous operating mode
Continuous 230 V alternating current is present at the AC output in this opera-
ting mode. Connected loads can be used immediately.
Symbols Used
ON operating mode: Energy flows from the battery through the
inverter to the load (continuous operation)
AUTO operating mode: The device checks at regular intervals
whether or not a load is switched on. When a load is detected,
the device is turned on with a slight delay until the load is again
turned off (load detection operation).
The desired operating mode can be set via the navigation keys:
Numerical display symbol
when selected displays the current capacity data
Graphical display symbol
when selected displays the current operating status
Summary of Contents for FRONIUS IS 15
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