1. Remove the float/separation/return fan duct (Float/Separation/Return Fan Duct)
  2. Remove the clip (red arrow) of the float fan shutter solenoid [A] and spring [B].
  3. Disconnect the connector of the return solenoid [A].
  4. Release the clamp of the float/separation/return fan bracket, remove the screws and then remove the float/separation/return fan brackets.

Notes for Installing the Float/Separation/Return Fan Bracket

When attaching the float / separation / return fan bracket, insert the covering sponge of the float fan / separation fan all around the duct firmly so that there is no gap.

Float Fan Bracket

Separation Fan Bracket

When it is difficult to insert a sponge, firmly push it with moderate force, by using a ruler for example.