(b) Replacement procedure of the fan unit
Notes(1) The unit is a heavy item. It must be supported securely and handled with care not to drop when it is necessary to replace.
(2) For the maintenance space, refer to page 84.
(i) Model FDU71VF1
1) Remove the control box and the side panel, and remove
the screws marked in the circles (2 places) in the figure.
Control box
Side panel
Screw
2) Take out the fan unit in the arrow direction.
Control box
2) Take out the fan unit located at the near side in the arrow
direction.
Side panel
Screw
3) Remove the screws marked in the circles (2 places) from
the fan unit located at the far side.
Screw
4) Take out the fan unit in the arrow direction.