■ Frame R9
1. Undo the mounting screws of the front top profile of the cabinet and remove it. Undo the
back mounting screws of the roof from the cabinet top. See step 1 under section Frames
R10 and R11 (page 76)
2. Install the shroud to bottom of the fan assembly. Connect the fan supply wires.
3. Install the front top profile of the cabinet in reverse order to step 1.
4. Fasten the back mounting screws of the roof.
■ Frames R10 and R11
1. To remove the top front and back profile of the cabinet, undo the mounting screws.
2. Connect the power supply wires to the fan.
76 Mechanical installation