SMA SUNNY ISLAND 3.0M Installation Manual page 65

SMA Solar Technology AG
Test point
Communication with
Sunny Island Charger 50, if installed
Checking the wiring of the communication products
Test point
Electricity supply to communication
products
Termination of the communication buses
Checking the system devices
Test point
System devices
Connection AC1 in the off-grid system
Connection AC2 in the off-grid system
Installation manual
Test criterion
The data cable between the Sunny Island Charger 50 and the
Sunny Island is connected correctly (see manual for
Sunny Island Charger 50 charge controller).
Test criterion
The plug-in power supply units are plugged in.
The communication products are connected to an electricity supply.
The communication buses are connected to the first and last device
in the bus.
Test criterion
All system devices are correctly connected (see the manuals for the
devices).
Ensure by measuring that all system devices are connected with the
same ground potential.
The stand-alone grid or the Multicluster Box is connected to the
AC1 Loads/SunnyBoys terminals.
The generator is connected to connection AC2 Gen/Grid.
The neutral conductor is connected to the terminal AC2 Gen/
Grid N.
SI30M-44M-60H-80H-IA-en-32
7 Electrical Connection
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