
a. When fitting to a 50mm truss drill a pilot hole through the ceiling and into the truss. b. If securing to any other ceiling type please use appropriate fasteners and follow their instructions of use carefully. 5. For the ducting mark out and cut a O170mm hole in the ceiling. 6. Fix the ceiling bracket to the ceiling using the screws supplied. 7. Using duct tape secure the ducting to the top of the motor housing. Solid ducting, galvanized or plastic is recommended. Use flexi ducting only in di