Ac1 (Loads/Sunny Boys) - SMA Sunny Island 2012 Technical Description

Sunny Island Electrical Connection

7.3.2 AC1 (Loads/Sunny Boys)

Connect, with three conductors via the subdistribution, for example, loads, PV generators (Sunny
Boy) and wind power plants (Windy Boy), to the Sunny Island's AC1 connection.
DANGER!
Death hazard due to residual currents
• Install an RCD circuit breaker between the Sunny Island and the loads.
Connection procedure for the Sunny Island:
1. Loosen the metric-threaded cable screw
joint on the right of the enclosure's
underside.
2. Insert the 3-conductor cable through the
threaded joint.
3. Draw the cable into the enclosure.
4. Flip the AC1's terminal connectors (N and
L conductors) all the way up.
DANGER!
Risk of lethal electric shock
Improperly laid cables can loosen out of the terminal connectors.
• Do not use end wire sleeves when connecting the AC cable.
5. Remove the protective insulation from each of the three wires.
48 SI2012_2224-TEN082311
SMA Solar Technology AG
Technical Description