Specification

Typical Specifications

Model:

Description:

The fan shall be a direct drive up blast propeller roof fan

Standard Construction:

The fan shall be of riveted and bolted construction utilizing corrosion resistant fasteners. The heavy duty motor shall be mounted to a heavy gauge G90 galvanized steel motor bracket. The support frame shall be riveted and bolted construction of heavy gauge G90 galvanized. The panel assembly shall be heavy duty G90 galvanized steel complete with a one piece venturi for maximum efficiency. The heavy duty G90 galvanized curb cap shall have fully welded corners for added strength and leak protection. Fan shall have hinged butterfly discharge dampers of aluminum construction with a rain channel to prevent rain infiltration. The butterfly damper assembly shall be protected by a heavy duty G90 galvanized steel wind band for maximum strength and rigidity. The unit shall include lifting lugs for ease of roof placement. The fan shall bear a permanently attached nameplate displaying model and serial number of unit for future identification. The unit shall be factory run-tested after assembly.

Propeller:

Precision pitched Propeller shall be fabricated steel or cast aluminum attached to a heavy duty hub. The propeller hub shall be securely fastened to the motor shaft utilizing two setscrews or split tapered bushings.

Motors and Electrical:

Motor shall be heavy duty type with permanently lubricated sealed ball bearings and furnished at the specified voltage, phase and enclosure. Motors should be nationally recognized brands either open drip-proof, totally enclosed, and explosion proof.

Options and Accessories:

Optional accessories shall be provided either factory installed or field installed as detailed in the fan schedules.

Certifications:

Fan shall be listed by Underwriters Laboratories (cULus 705), including UL listing for Canada when specified in the fan schedule.

Warranty:

Manufacturer's warranty shall apply for a period of 2 years. See warranty certificate for details.

Product:

Fan shall be model as manufactured by