SMA SUNNY ISLAND 4548-US Operating Manual page 142

15 Relays
Function/ Meaning
Setting
MccAutoLod Multicluster auto
Loadshedding
CHPReq Request CHP plant
CHPAdd Request additional CHP plant Request of additional CHP plant through the CHP
SiComRemote Remote control
Overload Overload
142 SI4548-6048-US-BE-en-21
SMA Solar Technology America LLC
Function description
Automatic disconnection of the loads via an
extension cluster in the Multicluster system
"MccAutoLod" is the request from the master of the
main cluster that is transmitted to a master of an
extension cluster in order to use its relay for the
automatic disconnection of the loads.
Request of the CHP plant through the CHP plant
control
plant control
The relay can be controlled remotely.
When using the output limitation of the
Sunny Island (temperature-dependent), the relay
will be opened.
"Overload" is directly linked to the derating
warning and the relay switches when the warning
is present.
Operating Manual