Page 2 - Mixed Flow Fans; patented
Model QEI-L – Belt Drive • 11 sizes available (12 thru 36)• Volume Range: 700 - 40,000 cfm (1190 - 67,960 m 3 /hr) • Static Pressure: Up to 5 in. wg (1245 Pa) 2 Quiet & Efficient, Inline • Performance as cataloged is assured. All sizes are licensed to bear the AMCA Certified Sound (both inlet an...
Page 3 - Standard Construction; Housing; per ABMA standards, in excess of 80,000 hours; Bolted Access Door; Model Number Nomenclature; QEI; Percent Wheel Width
33 Standard Construction Housing Tubular housings are constructed of welded steel to eliminate air leakage. Integral straightening vanes are constructed from steel and welded into place. Wheel – Mixed Flow Fabricated wheels are constructed from steel. The blade profiles are angled and contoured for ...
Page 4 - Value Added Features; Maintenance / Serviceable Construction Advantages; outside of the fan housing.; Electrostatic Powder Coatings; Performance Coatings for; Quality Assurance Test
Value Added Features Maintenance / Serviceable Construction Advantages The following value added features are incorporated into the design to allow for quick and easy field service. QEI-L and QEI service advantages: • Bearing lubrication is performed through extended grease fittings located on the o...
Page 6 - Sound power levels shown at each frequency:; Lower Sound Power, Better Sound Quality; Sound and Efficiency; Axial Fans; Airflow Profiles; Axial
6 Design & Performance Mixed Flow: Axial/Centrifugal Hybrid A mixed flow wheel is a hybrid between an axial propeller and a centrifugal wheel. The result is a design that combines the best axial and centrifugal properties: highly efficient air movement, increased pressure capabilities, extremely...
Page 7 - Wheel Characteristics; Belt Drive: Fan Class; microphone or can be heard. To convert sound power (L
7 Wheel Characteristics Static Pr essur e CFM 50%WheelWidth 50% Wheel Width 100%WheelWidth 100% Wheel Width Intermediate Wheel Widths Static Pr essur e CFM 50%WheelWidth 50% Wheel Width 100%WheelWidth 100% Wheel Width Intermediate Wheel Widths Static Pr essur e CFM 50%WheelWidth 50% Wheel Width 100%...
Page 8 - Optional Features; Sound Vault Housing - Radiated Sound Enclosure; Sound Sensitive Areas
8 Optional Features The Sure-Aire™ flow monitoring system measures fan flow within a 3% accuracy. Unlike traditional flow probes mounted in the fan venturi that create a system effect hindering fan performance, Sure-Aire™ does not interfere with airflow and will not impact the fan’s air or sound per...
Page 9 - Zinc Advantage; Paint System; One Coat Process
99 Zinc Advantage Optional Two-coat Paint System In 1972, Greenheck took the lead as the first commercial and industrial fan manufacturer to introduce electrostatic powder coatings. Today, Greenheck continues to lead by being the first to offer a superior zinc-rich powder basecoat and powder coating...
Page 10 - Certifications & Listings; Seismic Certification; UL 705 Power Ventilator
10 Certifications & Listings Seismic Certification The International Building Code (IBC) has been adopted at the state and local level throughout the United States. With the adoption of this code, comes the introduction of standards intended to improve the performance and design of non-structura...
Page 11 - Belt Drive versus Direct Drive; Example of Annual Operating Cost Savings; High Efficiencies = Lower Operating Costs; Tubular Centrifugal Fan
11 Belt Drive versus Direct Drive Example of Annual Operating Cost Savings For a system performance requirement of 25,000 cfm at 2.5 inches of static pressure (wg) the corresponding operating power requirements are 13.97 Bhp with a QEI-I size 36 and 19.8 Bhp for a size 36 tubular centrifugal fan. Fo...
Page 12 - Universal Mounting; Horizontal Base Mount; Horizontal Mounting; Suspend the fan horizontally from the ceiling.; Vertical Mounting
12 Belt Drive Mounting Configurations Universal Mounting QEI-I/II models sizes 9-27 and all QEI-L models can be mounted horizontally or vertically. For ease of installation, eight mounting brackets are welded on each fan. These eight brackets along with standard mounting supports provide for Greenhe...
Page 13 - Roof Upblast; Spark B
13 Roof Upblast & Spark Resistant Construction Roof Upblast Models QEI-I/II sizes 9 through 54 and model QEID sizes 12 through 54, are available in roof upblast configuration. The roof upblast configuration is ideal for exhausting contaminants away from a building to prevent roof damage and re-e...
Page 14 - Accessories; per ABMA standards, in excess of; Availability
14 Accessories QEI-L QEI-I QEI-II QEID Motor Cover A weatherproof motor cover shields the motor components from dust, dirt and moisture for indoor or outdoor installations. Motor covers also serve as a personnel guards and meet OSHA standards. Hinged Access Door Hinged access doors provide an ...
Page 15 - Exploded View
15 Exploded View Companion Flange Outlet Flange (Standard on QEI-L) Outlet Guard Bolted Access Door (Standard) Inlet Guard Slip Fit Connection (Standard on QEI-I/II) Inlet Flange (Standard on QEI-L) Companion Flange Spring Base Isolator Neoprene Base Isolator Spring Hanging Isolator Motor Cover Moun...
Page 16 - QEID Sound and Air Performance Supplement; Model QEID
16 The quick select charts below and on the following page are a convenient method for sizing the fan required for a specific performance. Colored bands for a given size in each chart represent the entire operating range available for that size and speed.For QEID performance pages showing AMCA Licen...
Page 17 - QEID Dimensional Data; Size; inches; mm; Length — inches
17 870 RPM (60 Hz) Model QEID 36—54 Volume (cfm x 1000) Static Pressure (in. wg) 10 20 30 40 50 100 8 6 4 2 0 44 40 36 49 54 QEID Dimensional Data Size Slip Fit O.D. Length* Weight** inches mm inches mm lbs. kg. 12 17.13 435 25.0 635 100 45 15 20.88 530 25.0 635 140 65 16 23.00 584 26.0 660 170 80 1...
Page 18 - QEI Dimensional Data; QEI Class I
18 Airflow Height Height Length Length Slip Fit O.D. Airflow QEI Dimensional Data QEI-L QEI Class I QEI Class II Size Slip-Fit O.D. Length Height Slip-Fit O.D. Length Height Length Height inches (mm) inches (mm) inches (mm) inches (mm) inches (mm) 9 NA NA NA 17.13 (435) NA NA 28.5 (724) 36.5 (927) 1...
Page 52 - Our Warranty; Specifications; Additional Belt Drive Specification; hours at maximum operating speed.
P.O. Box 410 • Schofield, WI 54476-0410 • Phone (715) 359-6171 • greenheck.com 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 a...