SMA SC 500HE-20 Installation - Manual (Page 48)

10 Cable Connection in the Connection Cabinet SMA Solar Technology AG
48 SCxxxHE-20-IA-IEN111210 Installation Manual
10.4 Connecting the Cables in the Connection Cabinet
10.4.1 Connecting the cables to the customer terminal block
1. Strip cable jacket to approx. 60 mm.
2. Strip conductor insulation to 5 mm.
3. Attach the bootlace ferrule to the conductors and crimp gas-tight.
4. Connect the cable in accordance with the circuit diagram.
– Insert a screwdriver into the square hole next to the terminal and open the terminal lock by
pressing it.
– Connect the cables to the terminals using bootlace ferrules.
– Remove the screwdriver from the terminal.
10.4.2 Important Measures for Non-utilized Options
Non-utilized External Quick-Stop
Non-utilized Remote Shutdown
• If you are not using the remote shutdown option, set the parameter "ExtStrStpEna" to Off after
commissioning (see operating manual included in the delivery).
Non-utilized Transformer Protection
• If you are not using the transformer protection option, set the parameter "ExtTrfErrEna" to Off
after commissioning (see operating manual included in the delivery).
/05*$&
Damage to the Sunny Central caused by faulty installation of the external quick-stop.
If an external quick-stop is installed incorrectly, this may damage the Sunny Central and restrict the
function of the quick-stop.
• If no external quick-stop is installed, the terminals must be bridged according to the circuit
diagram.
60 mm
15 mm 40 mm 5 mm