Dayton Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 36 in Wheel, 320 RPM to 690 RPM 4YY22 - main
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Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 36 in Wheel, 320 RPM to 690 RPM

  • Mfr # 4YY22

  • Zoro # G3023465

product price:  $4,515.99
/ea
Additional $200.00 delivery surcharge applies per item.
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Key Features

Item - Roof Ventilators
Upblast Ventilator
Drive Package With Motor Included
No
Duty Rating - Roof Ventilators
Standard
Drive Type - Roof Ventilators
Belt Drive
Mounting Location - Roof Ventilators
Roof
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Specifications

Product Information

MFR #
4YY22
Zoro #
G3023465
UPC #
190735339541
Country of Origin
United States

Dimensions

Base Size - Roof Ventilators
46 in x 46 in
Overall Dia.
58 5/8 in
Dimension A
46 in
Shaft Dia. Sheave End
1 1/4 in
Base Length
46 in
Base Width
46 in
Overall Height
46 3/8 in
Recommended Damper Size (In.)
39 x 39
Dimension D
29 7/16 in
Base Height
1.8 in
Dimension B
58 5/8 in
Shaft Dia. Wheel End
1 1/4 in
Wheel Dia.
36 in
Dimension C
44 5/8 in
Damper Size
39 x 39 in
Propeller Shaft Diameter
1 1/4 in
Overall Diameter
58 5/8 in
Cutout Size
41.5 in L x 41.5 in W
Cutout Length
41.5 in
Housing Length
58.6 in
Housing Width
58.6 in
Wheel Diameter
36 in

Details

Item - Roof Ventilators
Upblast Ventilator
Drive Package With Motor Included
No
Duty Rating - Roof Ventilators
Standard
Drive Type - Roof Ventilators
Belt Drive
Mounting Location - Roof Ventilators
Roof
Number of Speeds
1
RPM Range
320 to 690
Wheel Type
Backward Inclined
Standards
AMCA Sound and Air, UL/cUL 762
Fixed UL 762 Kitchen Roof Curb Stock No.
4HX60
Adj. 12 3/8"H Roof Curb Stock No.
2ZV85
Wheel Material
Aluminum
Adj. UL 762 Kitchen Roof Curb Stock No.
4HX63
Item
Centrifugal Upblast Roof Exhaust Fan
Recommended 8 In. Fixed Curb Item No.
4HX44
Includes
NEMA 1 Junction Box
Recommended Damper Stock No.
4HX70
Recommended 12 In. Fixed Curb Item No.
2RB82
Housing Material
Aluminum
Max. Inlet Temp.
300 Degrees
Drive Type
Belt Drive
Mounting Location
Roof
CFM Range
8631 to 18,611 @ 0.0 in SP
Motor HP Range
1/2 to 5
Bearing Type
Regreasable Pillow Block
Speed Controllable
No
Features
Air Handling Quality Bearings Meet Minimum of L10-1,00,000 Hours, Leakproof, Nonoverloading Centrifugal Wheel Design
Application
Industrial and Commercial Buildings, Restaurants, Schools
Maximum Noise Level @ 5 Feet
15.8 sones
Maximum Static Pressure
1 3/4 in wc
Brake Horsepower
13/25 hp, 39/50 hp, 1 1/50 hp, 1 11/20 hp, 2 3/50 hp, 3 13/100 hp, 5 13/50 hp
Maximum Ambient Temperature
300 Degrees F
For High-Static Pressure Applications
No
Maximum Airflow
18,611 cfm
Includes Drive Package
No
Maximum Inlet Air Temperature
300 Degrees F
Motor Location
Out of Airstream
Mounting Orientation
Vertical
Safety Features
Fully Rolled Windband
Base Shape
Square
Spark Resistant Construction Type
A
Sound Level
Fan RPM 320: 7.7 sones @ 0.000 in SP and 5 ft, 6.8 sones @ 0.125 in SP and 5 ft, 6.0 sones @ 0.250 in SP and 5 ft, 6.6 sones @ 0.375 in SP and 5 ft, Fan RPM 365: 10.2 sones @ 0.000 in SP and 5 ft, 9.4 sones @ 0.125 in SP and 5 ft, 8.5 sones @ 0.250 in SP and 5 ft, 8.0 sones @ 0.375 in SP and 5 ft, 8.3 sones @ 0.500 in SP and 5 ft, Fan RPM 400: 12.7 sones @ 0.000 in SP and 5 ft, 11.9 sones @ 0.125 in SP and 5 ft, 11.1 sones @ 0.250 in SP and 5 ft, 10.3 sones @ 0.375 in SP and 5 ft, 9.9 sones @ 0.500 in SP and 5 ft, Fan RPM 460: 16.8 sones @ 0.000 in SP and 5 ft, 16.5 sones @ 0.125 in SP and 5 ft, 15.8 sones @ 0.250 in SP and 5 ft, 15.1 sones @ 0.375 in SP and 5 ft, 14.5 sones @ 0.500 in SP and 5 ft, 14.0 sones @ 0.625 in SP and 5 ft, 13.5 sones @ 0.750 in SP and 5 ft, Fan RPM 505: 20.0 sones @ 0.000 in SP and 5 ft, 20.0 sones @ 0.125 in SP and 5 ft, 19.8 sones @ 0.250 in SP and 5 ft, 19.0 sones @ 0.375 in SP and 5 ft, 18.6 sones @ 0.500 in SP and 5 ft, 18.3 sones @ 0.625 in SP and 5 ft, 17.9 sones @ 0.750 in SP and 5 ft, 17.0 sones @ 0.875 in SP and 5 ft, Fan RPM 580: 23.0 sones @ 0.000 in SP and 5 ft, 23.0 sones @ 0.125 in SP and 5 ft, 23.0 sones @ 0.250 in SP and 5 ft, 22.0 sones @ 0.375 in SP and 5 ft, 22.0 sones @ 0.500 in SP and 5 ft, 21.0 sones @ 0.625 in SP and 5 ft, 21.0 sones @ 0.750 in SP and 5 ft, 20.0 sones @ 0.875 in SP and 5 ft, 20.0 sones @ 1.000 in SP and 5 ft, 18.4 sones @ 1.250 in SP and 5 ft, Fan RPM 690: 30.0 sones @ 0.000 in SP and 5 ft, 29.0 sones @ 0.125 in SP and 5 ft, 28.0 sones @ 0.250 in SP and 5 ft, 28.0 sones @ 0.375 in SP and 5 ft, 28.0 sones @ 0.500 in SP and 5 ft, 27.0 sones @ 0.625 in SP and 5 ft, 27.0 sones @ 0.750 in SP and 5 ft, 26.0 sones @ 0.875 in SP and 5 ft, 25.0 sones @ 1.000 in SP and 5 ft, 24.0 sones @ 1.250 in SP and 5 ft, 23.0 sones @ 1.500 in SP and 5 ft, 22.0 sones @ 1.750 in SP and 5 ft
Housing Material Fabrication
Spun
Mount Type
Roof Curb
Minimum Motor Speed
320 RPM
Maximum Motor Horsepower
5 hp
Maximum Fan Speed
690 RPM
Includes Motor
No
Minimum Motor Horsepower
1/2 hp
Assembly
Unassembled
Electrical Connection
Power Cord
For Air Type
Kitchen Air
Minimum Airflow
8,631 cfm
Resistance Properties
Spark Resistant
Maximum Motor Speed
690 RPM

Description

This item is a centrifugal upblast roof exhaust fan configured for roof curb mounting and vertical air discharge. It uses a belt-driven backward-inclined aluminum wheel housed in a spun aluminum enclosure. The unit is supplied without a motor or drive package and is intended for exhausting kitchen air within specified airflow, temperature, and static pressure limits.

Key Features:

  • Fan Type: Centrifugal upblast roof exhaust fan with backward-inclined wheel.
  • Airflow Capacity: Airflow range specified from 8,631 to 18,611 cfm at 0.0 in static pressure.
  • Drive Configuration: Belt drive design; motor and drive package not included.
  • Wheel and Housing Materials: Aluminum wheel with spun aluminum housing.
  • Operating Limits: Maximum static pressure specified at 1-3/4 in wc and maximum inlet air temperature up to 300°F.
  • Speed Range: Fan speed range specified from 320 to 690 RPM.
  • Bearings: Regreasable pillow block bearing configuration.
  • Mounting: Roof curb mounting with a square base measuring 46 in x 46 in.

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