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Sunny Island
Fig. 3.3: Cable glands and terminals of the Sunny Island
You will find a diagram with designations of the different terminals inside
the lower case lid as well.
3.3.2 Cable Connections
All possibilities to connect the inverter with the island plant are combined on one ter-
minal strip (see Fig. 3.4).
• Terminals for battery temperature sensor (four-wire measurement)
• Storage battery terminal (at F1:+ and F1:- of the automatic circuit breaker on
the left)
• Terminals for diesel start via relay K1
• Terminals for diesel contactor via relay K2
• Terminals for grid contactor via relay K3
• Terminals for additional switchable components such as wind energy convert-
ers, ohmic/inductive loads (via relays K1 to K8), freely configurable
• Terminals for battery room fan via relay K7
• Terminals for battery acid circulation via relay K8
If the relays K1, K2, K7 and K8 are not used for their special tasks, they
can also be freely configured.
BWRI33-12:EE
Installation & Operating Instructions
- 22 -
SMA Regelsysteme GmbH
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