This centrifugal upblast roof exhaust fan includes mounting plate, NEMA 1 junction box, speed control, and is made of aluminum. It allows up to 80% usable turndown and measures 21 inch width, 15⅛ inch height, 15⅛ inch depth. This exhaust fan is designed for use with: industrial/commercial buildings, schools. In addition, it is one-phase, 60 Hz, is roof mountable, has variable speeds, is direct drive, 842 cfm @ 0.125 in SP air flow, and 21 inch diameter, and 1/6 horsepower.
Technical Specs
ItemCentrifugal Upblast Roof Exhaust Fan
Drive TypeDirect Drive
Base Width19 in
Base ShapeSquare
Exhaust Airflow @ 0.000 in SP903 cfm
Phase1
AssemblyAssembled
Housing MaterialAluminum
High-Efficiency MotorHigh-Efficiency Motor
Includes MotorMotor Included
Motor LocationOut of Airstream
Motor EnclosureTotally Enclosed Fan Cooled
Speed ControllableSpeed Controllable
Overall Height15 1/8 in
Base Height1.8 in
Compatible Speed Control43Y140
Cutout Length14.5 in
Exhaust Airflow @ 0.125 in SP842 cfm
Exhaust Airflow @ 0.375 in SP722 cfm
Frequency60 Hz
Housing Length21 in
Housing Width21 in
Maximum Ambient Temperature130 Degrees F
Motor TypeElectronically Commutated
Mounting OrientationVertical
Overall Depth15 1/8 in
Overall Width21 in
Safety FeaturesFully Rolled Windband
Wheel Diameter11 in
ApplicationIndustrial and Commercial Buildings, Schools
For Air TypeClean Air
Base Length19 in
Maximum Static Pressure3/4 in wc
Nameplate Voltage115V AC
Motor Horsepower1/6 hp
Number of SpeedsVariable
Wheel MaterialAluminum
For High-Static Pressure ApplicationsNot For High-Static Pressure Applications
Includes Drive PackageDrive Package Included
Exhaust Airflow @ 0.500 in SP652 cfm
Maximum Inlet Air Temperature130 Degrees F
StandardsAMCA Sound and Air, UL/cUL 705
Airflow @ 0.000 in SP903 cfm
Brake Horsepower1/50 hp, 1/25 hp, 3/25 hp
Current3.1 A
Damper Size10 x 10 in
Exhaust Airflow @ 0.250 in SP782 cfm
FeaturesEC Motors Allow Up to 80% Usable Turndown, Nonoverloading Centrifugal Wheel Design
Hazardous Location SpecificationClass I Group C, Class I Group D, Class II Group F, Class II Group G
Housing Material FabricationSpun
IncludesMounting Plate, NEMA 1 Junction Box, Speed Control
Maximum Fan Speed1,725 RPM
Mounting LocationRoof
Mount TypeRoof Curb
Overall Diameter21 in
Propeller Shaft Diameter1/2 in
Sound LevelFan RPM 1140 : 4.5 sones @ 0.000 in SP and 5 ft, 4.6 sones @ 0.125 in SP and 5 ft, 4.6 sones @ 0.250 in SP and 5 ft, Fan RPM 1725 : 9.7 sones @ 0.000 in SP and 5 ft, 9.5 sones @ 0.125 in SP and 5 ft, 9.4 sones @ 0.250 in SP and 5 ft, 9.3 sones @ 0.375 in SP and 5 ft, 9.1 sones @ 0.500 in SP and 5 ft, 9.1 sones @ 0.625 in SP and 5 ft, 11.2 sones @ 0.750 in SP and 5 ft, Fan RPM 860 : 2.1 sones @ 0.000 in SP and 5 ft, 2.1 sones @ 0.125 in SP and 5 ft
Wheel TypeBackward Inclined
Country of OriginUnited States
(subject to change)