SMA Solar Technology AG Relays
Technical Description SI5048-TB-TEN110340 131
GdOn Power distribution grid Relay switching when power
distribution grid is available and
connected.
Error Error Sunny Island has a fault; in case of
fault, contact is open (relay is
deactivated).
Warn Warning The Sunny Island has warning
pending.
Run Run Sunny Island is in operation, contact is
closed (relay is activated) if the device
is running in inverter operation.
BatFan Battery fan Relay is used for automatic battery
room ventilation (switching the fan).
AcdCir Acid circulation Relay is used for automatic acid
circulation (switching the electrolyte
pump).
MccBatFan Multicluster battery fan Relay is used for automatic battery
room ventilation (switching the fan).
MccAutoLod Multicluster auto loadshedding Automatic connection/disconnection
of loads due to an extension cluster in
the Multicluster system.
CHPReq CHP plant request Request of the CHP plant through the
CHP plant control
CHPAdd Request additional CHP plant Request of additional CHP plant
through the CHP plant control
SiComRemote Remote control via SI Com module Currently unavailable
Overload Overload When using the Sunny Island's output
limitation (temperature-dependent),
the relay opens.
Function/Setting Meaning Function description
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