SMA SUNNY CENTRAL Maintenance manual - Manual (Page 30)

Maintaining the Sunny Central SMA Solar Technology AG
30 SCWAR-WEN094020 Maintenance Manual
6. Disconnect the terminal of the power supply of the
fans in the heat exchanger.
7. Unscrew and disassemble the top fan of the heat
exchanger.
Place the fan aside.
8. Unscrew and disassemble the bottom fan of the
heat exchanger.
Place the fan aside.
9. Clean the heat sink between the disassembled fans
with a brush, a paint brush, a cloth or compressed
air.
10. Clean the ventilation grids as described in
3.4.1 ”General Activities” (page 11).
11. Clean the fan with a soft brush, a paint brush, or a
cloth.
☑ The heat exchanger has been cleaned.
Reassemble all parts of the heat exchanger.