SMA WBP-Box - Manual (Page 14)

5 Electrical Connection SMA Solar Technology AG
14 WBP-Box-IEN103320 Installation Guide
5.1.2 View from Below
Figure 6: Enclosure openings for connections
5.2 Grounding the Windy Boy Protection Box
1. Stop the small wind turbine system and secure against restart.
2. Disconnect the wind power inverter from voltage sources (see the manual for the
wind power inverter).
3. Ensure that no voltage is present in the system.
4. Loosen the screws of the enclosure lid and carefully remove the lid. Disconnect the enclosure lid
PE from the Windy Boy Protection Box when doing so.
5. Attach the M12 cable gland to the enclosure opening for grounding.
6. Unscrew the cable gland's lock nut and pass it over the PE of the Windy Boy Protection Box.
7. Pass the PE through the cable gland and connect to the PE connection terminal.
8. Tighten the lock nut firmly to the cable gland.
Position Designation
A Enclosure opening for small wind turbine system
B Enclosure openings for wind power inverter
C Enclosure opening for load resistor
D Enclosure opening for grounding the Windy Boy Protection Box, the load resistor
and its cable shield