5
PREPARATION FOR INSTALLATION (Dismantling)
D1
Place the fan unit, external grille downwards, on a flat surface.
D2
Unscrew grille securing screw located at the top of the grille. Remove internal grille.
D3
Slacken the two safety catch screws on the face of the housing. Depress the side catches.
D4
Lift off the housing.
D5
Remove the top cover from its housing. Check rating label to ensure that the fan unit is the correct voltage.
D6
Ease back the motor support safety catch located in the left-hand top corner of the base housing. Rotate
motor support assembly anticlockwise until the bayonet catches disengage from the base housing.
D7
Withdraw motor support assembly and place with the impeller downwards.
D8
Separate the base housing from the external grille assembly.
