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Dayton

Downblast Less Drive Package, 11 In

product price: $782.99
/ea
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Key Features

  • Promotion Restriction Not eligible for promotion
  • Drive Package With Motor Included No
  • Duty Rating - Roof Ventilators Hazardous Location
  • Drive Type - Roof Ventilators Belt Drive
  • Mounting Location - Roof Ventilators Roof
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Product Information

Dimensions

Base Size - Roof Ventilators 22 in x 22 in
Overall Dia. 24 3/8 in
Dimension B 24 3/8 in
Base Height 1.8 in
Overall Height 26 5/8 in
Dimension D 4 3/8 in
Recommended Damper Size (In.) 15 x 15
Wheel Dia. 11 in
Shaft Dia. Wheel End 3/4 in
Base Width 22 in
Dimension A 22 in
Shaft Dia. Sheave End 3/4 in
Base Length 22 in
Dimension C 24 7/8 in
Overall Length 24 3/8 in
Overall Width 24 7/8 in
Overall Diameter 24 3/8 in
Cutout Length 17.5 in
Propeller Shaft Diameter 3/4 in
Wheel Diameter 11 in
Cutout Size 17.5 in L x 17.5 in W
Damper Size 15 x 15 in
Housing Length 24.4 in
Housing Width 24.4 in

Details

Promotion Restriction Not eligible for promotion
Item - Roof Ventilators Downblast Ventilator
Drive Package With Motor Included No
Duty Rating - Roof Ventilators Hazardous Location
Drive Type - Roof Ventilators Belt Drive
Mounting Location - Roof Ventilators Roof
Number of Speeds 1
Motor HP Range 1/4 to 1/3
Adj. 12 3/8"H Roof Curb Stock No. 2ZV82
RPM Range 1635 to 1800
Adj. 6 3/8"H Roof Curb Stock No. 4c453
Drive Type Belt Drive
Bearing Type Sealed Pillow Block
Standards AMCA Sound and Air, UL/cUL 705
Requires Roof curb for new installations
Mounting Location Roof
Includes NEMA 1 Junction Box
Wheel Type Backward Inclined
Recommended 12 In. Fixed Curb Item No. 2RB76
CFM Range 1386 to 1526 @ 0.0 in SP
Housing Material Aluminum
Recommended Damper Stock No. 4HX65
Wheel Material Aluminum
Item Centrifugal Downblast Roof Exhaust Fan
Recommended 8 In. Fixed Curb Item No. 4HX39
Max. Inlet Temp. 180 Degrees
Speed Controllable No
Features Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, Features a Fully Rolled Windband Bead for Increased Stability and Easy Transport, Fresh Outside Air is Drawn in Under the Motor Cover to Maximize Motor Life, Nema 1 Junction Box Located in Motor Enclosure, Nonoverloading Centrifugal Wheel Design, Optional Nema 1 and 4 Disconnects Available
Application Industrial and Commercial Buildings
For Air Type Clean Air
Maximum Airflow 1,526 cfm
Maximum Fan Speed 1,800 RPM
Includes Motor No
Spark Resistant Construction Type A
Maximum Motor Speed 1,800 RPM
Power Source Electric Motor
Maximum Inlet Air Temperature 180 Degrees F
Noise Level @ 0.000 in SP @ 5 ft 11.1 sones
Mount Type Roof Curb
Motor Location Out of Airstream
Maximum Motor Horsepower 1/3 hp
Resistance Properties Weather Resistant
Maximum Static Pressure 1 1/4 in wc
Sound Level Fan RPM 1635: 11.1 sones @ 0.000 in SP and 5 ft, 10.8 sones @ 0.125 in SP and 5 ft, 10.4 sones @ 0.250 in SP and 5 ft, 10.2 sones @ 0.375 in SP and 5 ft, 9.8 sones @ 0.500 in SP and 5 ft, 9.3 sones @ 0.625 in SP and 5 ft, 8.9 sones @ 0.750 in SP and 5 ft, 8.4 sones @ 0.875 in SP and 5 ft, 7.8 sones @ 1.000 in SP and 5 ft, Fan RPM 1800: 13.2 sones @ 0.000 in SP and 5 ft, 12.8 sones @ 0.125 in SP and 5 ft, 12.5 sones @ 0.250 in SP and 5 ft, 12.3 sones @ 0.375 in SP and 5 ft, 12.2 sones @ 0.500 in SP and 5 ft, 11.3 sones @ 0.625 in SP and 5 ft, 10.8 sones @ 0.750 in SP and 5 ft, 10.6 sones @ 0.875 in SP and 5 ft, 10.1 sones @ 1.000 in SP and 5 ft, 9.3 sones @ 1.250 in SP and 5 ft
Safety Features Birdscreen, Windband
For High-Static Pressure Applications No
Minimum Motor Horsepower 1/4 hp
Electrical Connection Power Cord
Includes Drive Package No
Minimum Airflow 793 cfm
Base Shape Square
Compatible Curb Manufacturer Part Number 2RB76, 2ZV82, 4C453, 4C670, 4HX39, 4HX47
Minimum Motor Speed 1,635 RPM
Housing Material Fabrication Spun
Assembly Unassembled
Brake Horsepower 1/4 hp

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Mounting Location Roof, Wheel Diameter 11 in, Base Diameter Not Applicable, Base Length 22 in, Base Width 22 in, Base Shape Square, Minimum Airflow 793 cfm, Maximum Airflow 1,526 cfm, Maximum Motor Horsepower 1/3 hp, Minimum Motor Horsepower 1/4 hp, Minimum Motor Speed 1,635 RPM, Maximum Motor Speed 1,800 RPM, Maximum Static Pressure 1 1/4 in wc, For High-Static Pressure Applications No

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