Greenheck Fan SQ - Manual (Page 42)

42
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 NEMA-1 disconnect switch shall be provided as standard, except with explosion resistant motors, where
disconnects are optional. Factory wiring shall be provided from motor to the handy box.
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.