A centrifugal blower fan is mounted on a raised curb over a finished roof surface with roof flashing provided by the building trade per architectural details. Vibration isolation is installed beneath the motor housing according to mechanical specifications. A flexible duct connector ties into the blower inlet, maintaining a minimum of three duct diameters clearance. A flue drain from the motor housing routes to the nearest roof drain, and the discharge height is maintained at a minimum of forty inches above the roof surface.
FINISHED ROOF SURFACE FLASHING BY BUILDING TRADE. REFER TO ARCHITECTURAL DETAILS FOR ALL ROOFING, FLASHING & COUNTERFLASHING DETAILS. INSTALL VIBRATION ISOLATION PER MECHANICAL SPECIFICATIONS FLEXIBLE DUCT CONNECTOR AT INLET. MOTOR HOUSING FLUE DRAIN ROUTED TO NEAREST ROOF DRAIN AD AD 18" MIN. MIN. 3X DUCT DIAMETERS 40" MIN. DISCHARGE HEIGHT
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