Direct Drive Specifications
Model G
Spun aluminum downblast exhaust fans shall be direct drive type.. These fans are specifically designed for roof mounted applications exhausting relatively clean air.. Performance capabilities range up to 6,640 cfm (11,281 m3/hr) and 1 in. wg (249 Pa) of static pressure.. The maximum continuous operating temperature shall be 180°F (82°C).. Model G fans are available in 20 sizes with nominal wheel diameters ranging from 7 to 20 inches (178 to 457 mm)
Each fan shall bear a permanently affixed manufacturer’s engraved metal nameplate containing the model number and individual serial number..
All fans shall bear the AMCA Sound and Air Performance seal..
The fan wheel shall be centrifugal
For models
The fan housing shall consist of the motor cover, shroud, curb cap and lower windband, and shall be constructed of
A disconnect switch is a positive electrical shutoff and shall be wired from the fan motor to a junction box installed within the motor compartment. Factory standard shall be a
Options and accessories shall include: curb extension, curb seal, dampers, finishes, hinge kit, hinge base, pressure probe, roof curbs, and
Fans shall be model G as manufactured by Greenheck Fan Corporation of Schofield, Wisconsin, USA..
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