SMA SIC 50 - Manual (Page 37)

SMA Solar Technology AG Opening and Closing
Installation Guide SIC50-IA-en-11 37
8 Opening and Closing
8.1 Opening the Charge Controller
1. Remove the screws from the lid and set them aside.
2. Pull the lid slightly forward.
3. Disconnect the PE connection from the lid.
4. Carefully remove the multicolored LED from the charge controller's "LED" socket.
5. Remove the enclosure lid and set it aside.
8.2 Closing the Charge Controller
1. Create a PE connection to the lid.
2. Carefully insert the plug of the multicolored LED into the charge controller's "LED" socket.
3. Close the charge controller. Fasten the lid to the enclosure using four screws.
4. Switch on the miniature circuit breaker and the disconnection unit.
5. Check the LED to see if the charge controller is operating correctly.
DANGER!
Danger to life due to high voltages in the charge controller.
• Disconnect the miniature circuit breaker and ensure that it cannot be reconnected.
• Switch off power supply to the signaling contact and ensure that it cannot be
reactivated (if applicable).
• Ensure that no voltage is present in the system.