SMA SB 3300 Installation User Manual
Page 46

Opening and Closing
SMA Solar Technology AG
46
SB33_38-IEN111851
Installation Guide
3. Close all unnecessary DC inputs as described in section 5.5.4 ”Connecting the PV Generator
(DC)” (page 33) to seal the inverter.
4. Connect the AC plug.
5. Check the Electronic Solar Switch for wear, as
described in section 8.2 ”Checking the Electronic
Solar Switch for Wear” (page 51) and attach it
firmly.
6. Switch on the line circuit breaker.
7. Check whether the inverter's display and LED
display indicate normal operating mode
(see section 6 ”Commissioning” (page 37)).
☑ The inverter is now closed and in operation.
NOTICE!
The Electronic Solar Switch can be damaged if it is plugged on incorrectly!
• Do not tighten the screw inside the handle.
• Insert the handle of the Electronic Solar Switch securely in the socket on the bottom
of the enclosure.
• Check whether the handle of the Electronic Solar Switch is securely connected.