Direct Drive Specifications
Duct mounted supply, exhaust, or return fans shall be of the centrifugal, direct driven, inline type. The fan housing shall be of the square design constructed of heavy gauge galvanized steel or aluminum and shall include square duct mounting collars.
Fan construction shall include two removable access panels located perpendicular to the motor mounting panel. The access panels must be of sufficient size to permit easy access to all interior components.
The fan wheel shall be centrifugal, backward inclined, constructed of aluminum, and shall include a wheel cone carefully matched to the inlet cone for precise running tolerances. Wheels shall be statically and dynamically balanced.
Motors shall be permanently lubricated and carefully matched to the fan loads. Motors shall be readily accessible for maintenance.
A
All fans shall bear the AMCA Certified Ratings Seal for both sound and air performance.
Each fan shall bear a permanently affixed manufacturer’s nameplate containing the model number and individual serial number for future identification.
Fans shall be model SQ as manufactured by Greenheck Fan Corporation of Schofield, Wisconsin, USA.
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