SMA SUNNY ISLAND 4548-US Operating Manual page 21

SMA Solar Technology America LLC
Double Split-Phase System, 240 Vac, up to 24 kW
4 Sunny Island of types SI 4548-US-10 / 6048-US-10. Only Sunny Island inverters of the same type
must be used on one line conductor. L1 and L2 may be installed with different types (e.g.: L1 with 2
x SI 4548-US-10 und L2 with 2 x SI 6048 - US - -10).*
SMA multicluster technology
You will find all other information on SMA multicluster technology for up to twelve Sunny Island
inverters and up to 100 kW power in the installation manual of the Multicluster Box.
* The types SI 4548-US-10 / 6048-US-10 can be arbitrarily combined, also with older devices of type SI 5048U.
Operating Manual
2 Sunny Island 4548-US / 6048-US
SI4548-6048-US-BE-en-21 21