SMA SI 3324 Errata - Manual (Page 10)

SMA Solar Technology AG Electrical Connection
Installation Guide 10/16 SI3324_4248-E-IEN094410
1.4.2 Connecting the AC Output
Connect, with three wires via the sub-distribution, for example, loads, PV generators (Sunny Boy) and
wind turbine systems (Windy Boy), to the Sunny Island's AC output (C) connection.
1. Assemble metric-thread cable screw connections on enclosure opening C (see diagram on
page 3).
2. Thread the three-wire AC cable through the terminal.
3. Provide the three wires of the AC cable with suitable cable end sleeves.
4. Connect PE, N and L cables according to the labeling in the AC output terminal (torque 2.0 Nm
to 4.0 Nm).
L and N must not be swapped.
5. Tighten the counter nut of the metric-thread cable screw connection.
☑ The AC output of the Sunny Island is installed.
Cable Protection
SMA Solar Technology recommends the use of a line circuit breaker (B type, max. 16 A).
This has the following advantages:
• The cable cross-section is dimensioned based on the value of 1 x nominal current.
• For maintenance work, the Sunny Island can be switched off via the line circuit
breaker on the stand-alone grid side.
Position Description
C AC output (stand-alone grid) – labeling of the terminal: "AC OUTPUT"
D AC input (generator/grid) – labeling of the terminal: "AC INPUT"