SMA 600-US - Manual (Page 43)

SMA America, LLC 8 Disconnecting the Connection Unit from Voltage Sources
Installation Manual CU600-1000US-IA-en-10 43
8 Disconnecting the Connection Unit from Voltage
Sources
2. Turn the DC switch-disconnector of the Connection
Unit counterclockwise by 90° and set to OFF.
3. Disassemble the lid of the Connection Unit. Loosen
all captive screws with an Allen key (AF 4) and
remove the lid by lifting it from below.
4. Open all safety levers all the way.
6. Detach all DC cables from the terminals using a screwdriver.
1.
Danger to life due to electric shock
• Make sure that all devices (e.g. inverter) connected to the Connection Unit are switched
off and protected against reconnection (see manual of the respective device).
• Cover the PV modules.
5.
Danger to life due to electric shock
The DC cables are still live if there is sufficient irradiation. Detaching the live DC cables from
the terminals can cause life-threatening electric shocks.
• Ensure that the terminals are voltage-free using a suitable multimeter.