SMA SUNNY ISLAND 6.0H - Connecting Slave 1 in the Main Cluster

4 Circuitry of Multicluster Systems
SMA Solar Technology AG
System Description 23SI44M-80H-13-MC-IA-en-10
Position Designation Description / information
O Measuring cable
Sunny Island: terminal BackupVtgCur
MulticlusterBox: terminal Mstr./L1
- Openings in the cable support
sleeves
Unused openings in the cable support sleeves of the SunnyIsland
must be sealed (see operating manual of the SunnyIsland).
4.2 Connecting Slave 1 in the MainCluster
NO C NC
Relay 1
NO C NC
Relay 2
A B
C
D F
G
E
Figure 7: Connecting slave 1 in the maincluster
Position Designation Description / information
A AC power cable
SunnyIsland: connection to AC2 Gen/Grid terminals L, N and grounding
conductor
Multicluster-Box: connection X105 terminals 2, 5 and 8
Conductor cross-section: from 10mm
2
to 16mm
2
Use the ferrite included in the delivery for the PE.
B Measuring cable for
voltage measurement
SunnyIsland: connection ExtVtg terminals L and N
Multicluster-Box: connection X112 terminals 7 and 8
Conductor cross-section: from 1.5mm
2
to 2.5mm
2