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  9. Upblast Ventilator, 21-1/4 In, 115/230V
Dayton Upblast Ventilator, 21-1/4 In, 115/230V 7YR24 - main

Upblast Ventilator, 21-1/4 In, 115/230V

  • Mfr # 7YR24

  • Zoro # G2297741

product price: $1,877.99
/ea
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Key Features

Item - Roof Ventilators
Upblast Ventilator
Drive Package With Motor Included
Yes
Duty Rating - Roof Ventilators
Standard
Drive Type - Roof Ventilators
Belt Drive
Mounting Location - Roof Ventilators
Roof
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Specifications

Product Information

MFR #
7YR24
Zoro #
G2297741
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
30 in x 30 in
Dimension C
34 3/4 in
Base Length
30 in
Dimension A
30 in
Wheel Dia.
21 1/4 in
Base Height
1.8 in
Dimension D
21 in
Shaft Dia. Wheel End
1 in
Overall Height
35 1/2 in
Base Width
30 in
Dimension B
35 3/8 in
Base Square Size - Roof Ventilators
30" x 30"
Overall Dia.
35 3/8 in
Recommended Damper Size (In.)
23 x 23
Wheel Diameter
21 1/4 in
Housing Length
35.4 in
Propeller Shaft Diameter
1 in
Housing Width
35.4 in
Overall Diameter
35 3/8 in
Damper Size
23 x 23 in

Details

Item - Roof Ventilators
Upblast Ventilator
Drive Package With Motor Included
Yes
Duty Rating - Roof Ventilators
Standard
Drive Type - Roof Ventilators
Belt Drive
Mounting Location - Roof Ventilators
Roof
Number of Speeds
1
Voltage - Roof Ventilators
115V AC/230V AC
Motor HP - Roof Ventilators
1 1/2 hp
Includes
Drive Package, NEMA 1 Junction Box
Max. Inlet Temp.
300 Degrees F
CFM @ 0.750-In. SP
4312
Fixed UL 762 Kitchen Roof Curb Stock No.
4HX57
CFM @ 0.875-In. SP
4188
Mounting Location
Roof
Sones @ 0.500-In. SP @ 5 Ft.
22
CFM @ 1.250-In. SP
3789
CFM @ 0.625-In. SP
4435
Wheel Material
Aluminum
Adj. 6 3/8"H Roof Curb Stock No.
4c454
CFM @ 0.500-In. SP
4558
Housing Material
Aluminum
Max. Operating Amps
19.6/9.8
Requires
Roof Curb for New Installations
Adj. UL 762 Kitchen Roof Curb Stock No.
4HX62
Recommended Damper Stock No.
4HX67
Standards
AMCA Sound and Air, UL/cUL 762
Drive Package Included
Yes
Drive Type
Belt Drive
Hz
60
Bearing Type
Regreasable Pillow Block
Assembled/Unassembled
Unassembled
Motor HP
1-1/2
CFM @ 1.75-In. SP
2944
Recommended 8 In. Fixed Curb Item No.
4HX41
Max. BHP
1.56
Phase
1
RPM
1270
Recommended 12 In. Fixed Curb Item No.
2RB79
Speed Controllable
No
Item
Centrifugal Upblast Roof Exhaust Fan
Adj. 12 3/8"H Roof Curb Stock No.
2ZV83
CFM @ 1.000-In. SP
4055
Motor Voltage
115/230
CFM @ 1.500-In. SP
3433
Wheel Type
Backward Inclined
Motor Speed
1,270 RPM
Motor Location
Out of Airstream
Safety Features
Fully Rolled Windband
Current
19.6/9.8 A
High-Efficiency Motor
No
For Air Type
Kitchen Air
Resistance Properties
Spark Resistant
Includes Drive Package
Yes
Electrical Connection
Power Cord
Maximum Fan Speed
1,270 RPM
Motor Horsepower
1 1/2 hp
Brake Horsepower
1 14/25 hp
Spark Resistant Construction Type
A
Mount Type
Roof Curb
Nameplate Voltage
115/230V AC
Maximum Static Pressure
1 3/4 in wc
Housing Material Fabrication
Spun
Assembly
Unassembled
For High-Static Pressure Applications
Yes
Exhaust Airflow @ 0.500 in SP
4,558 cfm
Maximum Inlet Air Temperature
300 Degrees F
Application
Industrial and Commercial Buildings, Restaurants, Schools
Features
Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, Nonoverloading Centrifugal Wheel Design
Motor Enclosure
Open Dripproof
Sound Level
19.3 sones @ 1.500 in SP and 5 ft, 19.7 sones @ 1.250 in SP and 5 ft, 19.8 sones @ 1.750 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, 21.0 sones @ 0.625 in SP and 5 ft, 21.0 sones @ 0.750 in SP and 5 ft, 22.0 sones @ 0.500 in SP and 5 ft
Frequency
60 Hz
Base Shape
Square
Includes Motor
Yes

Description

Centrifugal Upblast Roof Exhaust Fan, Application Industrial and Commercial Buildings, Restaurants, Schools, Drive Type Belt Drive, For Air Type Kitchen Air, Base Diameter Not Applicable, Base Width 30 in, Base Length 30 in, Base Shape Square, Maximum Static Pressure 1 3/4 in wc, Nameplate Voltage 115/230V AC, Phase 1, Motor Horsepower 1 1/2 hp, Assembly Unassembled, Number of Speeds 1, Housing Material Aluminum, Wheel Material Aluminum, High-Efficiency Motor No

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