SMA AUTOMATIC SWITCH BOX L - Manual (Page 27)

SMA Solar Technology AG Electrical Connection
Installation Guide AS-BoxL-IEN084410 27
5.5 Connecting the Consumption Meter
DANGER!
Electric shock due to missing protective function of the residual current device
(RCD) Death or serious burns.
Residual current devices (RCD) connected between the grid and Automatic Switch Box
would lose their protective function due to the Backup System.
• Do not connect a residual current device (RCD) between the grid and the Automatic
Switch Box.
• Do connect a residual current device (RCD) between consumer loads and the
Automatic Switch Box.
DANGER!
Electric shock due to an incorrectly grounded neutral conductor. Death or serious
burns.
The Sunny Backup system requires a grounded neutral conductor in order to form a TN
grid in a power outage and be able to apply the appropriate protective measures.
• Do not install any switching elements in the grounded neutral conductor to the
Automatic Switch Box.
DANGER!
Electric shock due to inappropriate connection to ground of the grid-side PEN
conductor. Death or serious burns.
• Ground the grid-side PEN conductor inside the house connection box.
Example: Connection of the house connection box to the earth circuit connector.