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  9. Downblast Less Drive Package, 16-3/4In
Dayton Downblast Less Drive Package, 16-3/4In 4YU96 - main

Downblast Less Drive Package, 16-3/4In

  • Mfr # 4YU96

  • Zoro # G2780933

product price: $1,064.99
/ea
Item requires special delivery charges. A $50.00 per item surcharge will be applied.

Key Features

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
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Specifications

Product Information

MFR #
4YU96
Zoro #
G2780933
UPC #
190735339350
Country of Origin
United States

Dimensions

Base Size - Roof Ventilators
26 in x 26 in
Dimension C
27 1/4 in
Dimension B
28 3/8 in
Shaft Dia. Sheave End
3/4 in
Wheel Dia.
16 3/4 in
Recommended Damper Size (In.)
19 x 19
Dimension D
4 in
Dimension A
26 in
Shaft Dia. Wheel End
3/4 in
Base Width
26 in
Overall Height
29 in
Base Height
1.8 in
Overall Dia.
28 3/8 in
Base Length
26 in
Overall Width
27 1/4 in
Overall Length
28 3/8 in
Housing Width
28.4 in
Cutout Size
21.5 in L x 21.5 in W
Damper Size
19 x 19 in
Overall Diameter
28 3/8 in
Wheel Diameter
16 3/4 in
Cutout Length
21.5 in
Housing Length
28.4 in
Propeller Shaft Diameter
3/4 in

Details

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
Standards
AMCA Sound and Air, UL/cUL 705
Motor HP Range
1/4 to 1
Housing Material
Aluminum
Max. Inlet Temp.
180 Degrees
Requires
Roof curb for new installations
Item
Centrifugal Downblast Roof Exhaust Fan
Drive Type
Belt Drive
Wheel Material
Aluminum
Mounting Location
Roof
Recommended 8 In. Fixed Curb Item No.
4HX40
CFM Range
2555 to 4062 @ 0.0 in SP
Recommended Damper Stock No.
4HX66
Bearing Type
Sealed Pillow Block
Includes
NEMA 1 Junction Box
RPM Range
865 to 1375
Recommended 12 In. Fixed Curb Item No.
2RB77
Adj. 12 3/8"H Roof Curb Stock No.
2ZV83
Adj. 6 3/8"H Roof Curb Stock No.
4c454
Wheel Type
Backward Inclined
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
Minimum Airflow
1,624 cfm
Maximum Airflow
4,062 cfm
Noise Level @ 0.000 in SP @ 5 ft
10 sones
Power Source
Electric Motor
Housing Material Fabrication
Spun
Base Shape
Square
Includes Motor
No
Compatible Curb Manufacturer Part Number
2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48
Minimum Motor Horsepower
1/4 hp
Resistance Properties
Weather Resistant
Maximum Motor Horsepower
1 hp
Maximum Static Pressure
1 1/2 in wc
Brake Horsepower
13/50 hp
Spark Resistant Construction Type
A
Electrical Connection
Power Cord
Includes Drive Package
No
Maximum Inlet Air Temperature
180 Degrees F
Maximum Fan Speed
1,375 RPM
Minimum Motor Speed
865 RPM
Assembly
Unassembled
Mount Type
Roof Curb
Sound Level
Fan RPM 1100: 15.3 sones @ 0.000 in SP and 5 ft, 14.7 sones @ 0.125 in SP and 5 ft, 14.1 sones @ 0.250 in SP and 5 ft, 13.8 sones @ 0.375 in SP and 5 ft, 13.5 sones @ 0.500 in SP and 5 ft, 13.0 sones @ 0.625 in SP and 5 ft, 12.5 sones @ 0.750 in SP and 5 ft, 12.0 sones @ 0.875 in SP and 5 ft, Fan RPM 1250: 17.9 sones @ 0.000 in SP and 5 ft, 17.4 sones @ 0.125 in SP and 5 ft, 17.0 sones @ 0.250 in SP and 5 ft, 16.6 sones @ 0.375 in SP and 5 ft, 16.3 sones @ 0.500 in SP and 5 ft, 16.0 sones @ 0.625 in SP and 5 ft, 15.6 sones @ 0.750 in SP and 5 ft, 15.2 sones @ 0.875 in SP and 5 ft, 14.9 sones @ 1.000 in SP and 5 ft, Fan RPM 1375: 21.0 sones @ 0.000 in SP and 5 ft, 20.0 sones @ 0.125 in SP and 5 ft, 19.6 sones @ 0.250 in SP and 5 ft, 19.2 sones @ 0.375 in SP and 5 ft, 18.9 sones @ 0.500 in SP and 5 ft, 18.6 sones @ 0.625 in SP and 5 ft, 18.4 sones @ 0.750 in SP and 5 ft, 18.0 sones @ 0.875 in SP and 5 ft, 17.6 sones @ 1.000 in SP and 5 ft, 17.2 sones @ 1.250 in SP and 5 ft, 15.4 sones @ 1.500 in SP and 5 ft, Fan RPM 865: 10.6 sones @ 0.000 in SP and 5 ft, 10.6 sones @ 0.125 in SP and 5 ft, 9.7 sones @ 0.250 in SP and 5 ft, 9.4 sones @ 0.375 in SP and 5 ft, 8.8 sones @ 0.500 in SP and 5 ft, Fan RPM 945: 12.6 sones @ 0.000 in SP and 5 ft, 12.0 sones @ 0.125 in SP and 5 ft, 11.5 sones @ 0.250 in SP and 5 ft, 11.2 sones @ 0.375 in SP and 5 ft, 10.7 sones @ 0.500 in SP and 5 ft, 10.0 sones @ 0.625 in SP and 5 ft
Motor Location
Out of Airstream
Maximum Motor Speed
1,375 RPM
Safety Features
Birdscreen, Windband
For High-Static Pressure Applications
No

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Mounting Location Roof, Wheel Diameter 16 3/4 in, Base Diameter Not Applicable, Base Length 26 in, Base Width 26 in, Base Shape Square, Minimum Airflow 1,624 cfm, Maximum Airflow 4,062 cfm, Maximum Motor Horsepower 1 hp, Minimum Motor Horsepower 1/4 hp, Minimum Motor Speed 865 RPM, Maximum Motor Speed 1,375 RPM, Maximum Static Pressure 1 1/2 in wc, For High-Static Pressure Applications No

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