Growatt WIT 50-100K-US - Page 69

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Fig 9.1 Position of the fan fixing plate
3> Disconnect the fan connector, remove the fan fixing plate with a screwdriver, and remove the
fan, as shown in Fig 9.2:
Fig 9.2 Position of the fan
NOTE:
1
WIT 50-100K-A-US, WIT 50-100K-H-US,WIT 50-100K-AE-US, WIT 50-100K-HE-US models have five
external fans；
2 WIT 50-100K-AU-US and WIT 50-100K-HU-US models have seven external fans；
4> Clean the fan cover, fan blades, and the heat sink, or replace the fan.
(1) Use an air pump to clean the heat sink, and use a brush or wet cloth to clean the fan and the
its cover;
(2) Remove the fan for cleaning if necessary;
(3) Remove the fan that needs to be replaced using a cross-head screwdriver and install a new
fan.
(4) Bind the cables and fix them with a cable tie.
(5) Reinstall the fan, the fan fixing plate, and the WIT Inverter.