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  9. Severe Duty Vent, 21-1/4 In, 208-230/460V
Dayton Severe Duty Vent, 21-1/4 In, 208-230/460V 7YR78 - main

Severe Duty Vent, 21-1/4 In, 208-230/460V

  • Mfr # 7YR78

  • Zoro # G1279476

product price: $4,101.99
/ea
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Key Features

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

Product Information

MFR #
7YR78
Zoro #
G1279476
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
29 1/8 in x 29 1/8 in
Dimension B
35 3/8 in
Dimension C
34 in
Base Width
29 1/8 in
Overall Height
40 1/4 in
Shaft Dia. Wheel End
1 in
Dimension A
29 1/8 in
Overall Dia.
35 3/8 in
Base Length
29 1/8 in
Base Square Size - Roof Ventilators
29-1/8" x 29-1/8"
Base Height
6.3 in
Dimension D
21 in
Wheel Dia.
21 1/4 in
Wheel Diameter
21 1/4 in
Damper Size
23 x 23 in
Overall Diameter
35 3/8 in
Housing Length
35.4 in
Propeller Shaft Diameter
1 in
Housing Width
35.4 in

Details

Item - Roof Ventilators
Upblast Ventilator
Drive Package With Motor Included
Yes
Duty Rating - Roof Ventilators
Severe
Drive Type - Roof Ventilators
Belt Drive
Mounting Location - Roof Ventilators
Roof
Number of Speeds
1
Voltage - Roof Ventilators
208V AC/230V AC/460V AC
Motor HP - Roof Ventilators
1 1/2 hp
CFM @ 0.000-In. SP
6187
CFM @ 0.125-In. SP
5992
CFM @ 0.250-In. SP
5798
Requires
Roof Curb for New Installations
Includes
Clean Out Port, Drive Package, Heat Baffle, Hinged Base, NEMA 1 Junction Box
Standards
AMCA Sound and Air, UL/cUL 762
Wheel Material
Steel
Motor Voltage
208/230/460
Assembled/Unassembled
Unassembled
Motor HP
1-1/2
Housing Material
Steel
Speed Controllable
No
Sones @ 0.500-In. SP @ 5 Ft.
21
Drive Type
Belt Drive
Mounting Location
Roof
CFM @ 1.250-In. SP
3861
Bearing Type
Regreasable Pillow Block
Hz
60
Max. BHP
1.57
CFM @ 0.750-In. SP
5006
Fixed Severe Duty 24"H Roof Curb Item No.
2EUG9
CFM @ 0.875-In. SP
4773
Item
Centrifugal Upblast Roof Exhaust Fan
CFM @ 0.375-In. SP
5610
Sones @ 0.250-In. SP @ 5 Ft.
23
RPM
1100
Max. Operating Amps
2.1-2.2/1.1
Sones @ 0.125-In. SP @ 5 Ft.
23
CFM @ 1.000-In. SP
4529
CFM @ 0.500-In. SP
5421
Phase
3
Max. Inlet Temp.
400 Degrees F
CFM @ 0.625-In. SP
5217
Drive Package Included
Yes
Wheel Type
Backward Inclined
Exhaust Airflow @ 0.500 in SP
5,421 cfm
Brake Horsepower
1 57/100 hp
Frequency
60 Hz
Housing Color
Gray
Motor Horsepower
1 1/2 hp
Current
4.8 to 4.8/2.4 A
Exhaust Airflow @ 0.000 in SP
6,187 cfm
Maximum Inlet Air Temperature
400 Degrees F
Housing Finish
Polyester Coated
Resistance Properties
Spark Resistant
Includes Motor
Yes
Mount Type
Roof Curb
Maximum Static Pressure
1 1/4 in wc
Exhaust Airflow @ 0.250 in SP
5,798 cfm
Assembly
Unassembled
Features
Clean Out Port Provides Easy Wheel Access, Heat Baffle Provides Longer Motor Life
Maximum Fan Speed
1,100 RPM
Exhaust Airflow @ 0.375 in SP
5,610 cfm
Airflow @ 0.000 in SP
6,187 cfm
Wheel Finish
Nonstick Coated
Application
Kitchens
Electrical Connection
Power Cord
Motor Speed
1,100 RPM
Exhaust Airflow @ 0.125 in SP
5,992 cfm
Sound Level
18.6 sones @ 1.250 in SP and 5 ft, 19.3 sones @ 1.000 in SP and 5 ft, 19.8 sones @ 0.875 in SP and 5 ft, 20.0 sones @ 0.750 in SP and 5 ft, 21.0 sones @ 0.375 in SP and 5 ft, 21.0 sones @ 0.500 in SP and 5 ft, 21.0 sones @ 0.625 in SP and 5 ft, 22.0 sones @ 0.250 in SP and 5 ft, 23.0 sones @ 0.000 in SP and 5 ft, 23.0 sones @ 0.125 in SP and 5 ft
For High-Static Pressure Applications
No
Base Shape
Square
For Air Type
Kitchen Air
Includes Drive Package
Yes
Nameplate Voltage
208-230/460V AC
Motor Enclosure
Open Dripproof
Motor Location
Out of Airstream
High-Efficiency Motor
No
Spark Resistant Construction Type
A
Safety Features
Windband

Description

Centrifugal Upblast Roof Exhaust Fan, Application Kitchens, Drive Type Belt Drive, For Air Type Kitchen Air, Base Diameter Not Applicable, Base Width 29 1/8 in, Base Length 29 1/8 in, Base Shape Square, Maximum Static Pressure 1 1/4 in wc, Exhaust Airflow @ 0.000 in SP 6,187 cfm, Nameplate Voltage 208-230/460V AC, Phase 3, Motor Horsepower 1 1/2 hp, Assembly Unassembled, Number of Speeds 1, Housing Material Steel, Wheel Material Steel, High-Efficiency Motor No

Restrictions

This item has been restricted from sale in the following states: CA

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