Greenheck Fan manual Model NYD & NYB, Standard Construction Features

Model NYD & NYB

Standard Construction Features

Greenheck’s model NYD and NYB tamper-resistant centrifugal roof exhaust fans provide the industry’s best performance and durability for general clean air applications where tamper resistance is required.

•Performance as cataloged is assured. All fan sizes are tested in our AMCA Accredited Laboratory and all models are licensed to bear the AMCA Air Performance seal.

•Greenheck subjects these products to extensive life testing assuring you the fans will provide years of reliable performance.

Greenheck Fan Corporation certifies that the NYB and NYD models shown herein are licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and comply with the requirements of the AMCA Certified Ratings Program. The AMCA Certified Ratings Seal applies to air performance ratings only.

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Standard

Construction

Features

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1Housing is constructed entirely of heavy-gauge galvanized steel and includes louvered vents for positive motor cooling.

2Hood is hinged to swing fully open for complete access to all internal components. Open hood is safely supported and will not drop closed. Hinge is steel with protective coating.

3Internal structural supports are heavy-gauge galvanized steel angles.

4Drive frames and motor supports are heavy-gauge galvanized steel and are mounted on resilient isolators.

5Backward-inclined, non-overloading wheel is constructed of aluminum.

6Heavy-duty ball bearing motor. Single and three phase fans include a NEMA-1 switch.

7Birdscreen constructed of wire mesh is attached to the structural supports. (Removed from drawing for easy viewing internally)

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