SMA SUNNY ISLAND 5048-US - Page 137

SMA America, LLC Relays
Technical Description SI5048U-TUS121440 137
GdOn Public grid Relay switching when public 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 disconnection of loads
through 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. The relay can be controlled remotely
via the SI Com module.
Overload Overload When applying the power limit of the
Sunny Island (temperature-dependent)
the relay will open.
Function/Setting Meaning Function description