
Specifications
Model QEI-L, QEI-I/II and QEID
Supply, exhaust, or return air fans shall be of the inline mixed flow type.
The housing shall be constructed of welded
All
90 degree increments. Bearing life shall not be reduced below specified level in different configurations.
The wheel shall be of the mixed flow type. Wheels shall have a wheel cone, spherical back plate and single thickness cambered blades. Wheels shall be statically and dynamically balanced to balance grade
G6.3 per ANSI S2.19. The wheel cone and fan inlet cone shall be carefully matched and shall have precise running tolerances for maximum performance and operating efficiency.
Each assembled fan shall be test run at the factory at the specified fan RPM. The
maximum allowable fan vibration shall be
0.15in/sec. peak velocity,
Inlet and outlet sound power levels shall be provided for each of the eight octave bands at the point of operation.
Fans shall be licensed to bear the AMCA Seal for Sound and Air Performance.
Mixed flow fans shall be Model
Additional Belt Drive Specification
Turned, precision ground and polished steel shafts shall be sized so the first critical speed is at least 25% over the maximum operating speed. Close tolerances shall be maintained where the shaft makes contact with the bearings.
Bearings shall be
Our Warranty
Greenheck warrants this equipment to be free from defects in material and workmanship for a period of one year from the shipment date. Any units or parts which prove defective during the warranty period will be replaced at our option when returned to our factory, transportation prepaid. Motors are warranted by the motor manufacturer for a period of one year. Should motors furnished by Greenheck prove defective during this period, they should be returned to the nearest authorized motor service station. Greenheck will not be responsible for any removal or installation costs.
As a result of our commitment to continuous improvement, Greenheck reserves the right to change specifications without notice.
Prepared to Support Green Building Efforts
P.O. Box 410 • Schofield, WI
00.CVI.1018 R7