Maintenance And Cleaning; Replacing The Thermal Fuses; Cleaning The Cooling Fins - SMA Sunny Island SIC50-MPT Installation Manual

Maintenance and Cleaning

9 Maintenance and Cleaning
9.1 Replacing the Thermal Fuses
NOTICE!
Using incorrect thermal fuses may irreparably damage the charge controller.
• Only use the thermal fuses included in the scope of delivery.
1. Open the charge controller as described in section 8.1 "Opening the Charge Controller"
(page 37).
2. Remove broken thermal fuses from the sockets (A).
3. Insert new thermal fuses (included in the scope of
delivery).
4. Close the charge controller as described in section
8.2 "Closing the Charge Controller" (page 37).
9.2 Cleaning the Cooling Fins
It is only necessary to clean the cooling fins if the charge controller's heat dissipation is restricted by
dirt.
• Carefully remove dirt with a suitable soft brush.
38 SIC50-IA-en-11
SMA Solar Technology AG
Installation Guide