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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 7YR77 - main

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

  • Mfr # 7YR77

  • Zoro # G3010226

product price: $4,027.99
/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 #
7YR77
Zoro #
G3010226
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
29 1/8 in x 29 1/8 in
Overall Dia.
35 3/8 in
Shaft Dia. Wheel End
1 in
Base Length
29 1/8 in
Wheel Dia.
21 1/4 in
Overall Height
40 1/4 in
Base Width
29 1/8 in
Base Square Size - Roof Ventilators
29-1/8" x 29-1/8"
Base Height
6.3 in
Dimension B
35 3/8 in
Dimension C
34 in
Dimension D
21 in
Dimension A
29 1/8 in
Housing Width
35.4 in
Wheel Diameter
21 1/4 in
Propeller Shaft Diameter
1 in
Housing Length
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
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 hp
CFM @ 0.000-In. SP
5400
CFM @ 0.875-In. SP
3633
Max. BHP
1.04
Motor Voltage
208/230/460
CFM @ 0.750-In. SP
3985
CFM @ 0.625-In. SP
4254
Bearing Type
Regreasable Pillow Block
Housing Material
Steel
Motor HP
1
Max. Operating Amps
3.6-3.8/1.9
Speed Controllable
No
Sones @ 0.250-In. SP @ 5 Ft.
17.7
Sones @ 0.500-In. SP @ 5 Ft.
16.4
Mounting Location
Roof
Drive Type
Belt Drive
Standards
AMCA Sound and Air, UL/cUL 762
RPM
960
Assembled/Unassembled
Unassembled
CFM @ 0.250-In. SP
4958
Hz
60
Includes
Clean Out Port, Drive Package, Heat Baffle, Hinged Base, NEMA 1 Junction Box
CFM @ 0.500-In. SP
4508
Sones @ 0.125-In. SP @ 5 Ft.
18.4
CFM @ 0.375-In. SP
4742
Phase
3
CFM @ 0.125-In. SP
5176
CFM @ 1.000-In. SP
3169
Item
Centrifugal Upblast Roof Exhaust Fan
Requires
Roof Curb for New Installations
Max. Inlet Temp.
400 Degrees F
Fixed Severe Duty 24"H Roof Curb Item No.
2EUG9
Wheel Material
Steel
Drive Package Included
Yes
Wheel Type
Backward Inclined
Motor Horsepower
1 hp
High-Efficiency Motor
No
Mount Type
Roof Curb
Maximum Inlet Air Temperature
400 Degrees F
Nameplate Voltage
208-230/460V AC
Includes Drive Package
Yes
Maximum Static Pressure
1 in wc
Airflow @ 0.000 in SP
5,400 cfm
Brake Horsepower
1 1/25 hp
Exhaust Airflow @ 0.375 in SP
4,742 cfm
Includes Motor
Yes
Motor Speed
960 RPM
Motor Location
Out of Airstream
Exhaust Airflow @ 0.000 in SP
5,400 cfm
Electrical Connection
Power Cord
Safety Features
Windband
Spark Resistant Construction Type
A
For Air Type
Kitchen Air
Current
3.6 to 3.8/1.9 A
Housing Color
Gray
For High-Static Pressure Applications
No
Exhaust Airflow @ 0.500 in SP
4,508 cfm
Application
Kitchens
Assembly
Unassembled
Frequency
60 Hz
Base Shape
Square
Resistance Properties
Spark Resistant
Wheel Finish
Nonstick Coated
Sound Level
14.4 sones @ 1.000 in SP and 5 ft, 14.5 sones @ 0.875 in SP and 5 ft, 15.0 sones @ 0.750 in SP and 5 ft, 15.6 sones @ 0.625 in SP and 5 ft, 16.4 sones @ 0.500 in SP and 5 ft, 17.0 sones @ 0.375 in SP and 5 ft, 17.7 sones @ 0.250 in SP and 5 ft, 18.4 sones @ 0.125 in SP and 5 ft, 18.7 sones @ 0.000 in SP and 5 ft
Exhaust Airflow @ 0.125 in SP
5,176 cfm
Motor Enclosure
Open Dripproof
Maximum Fan Speed
960 RPM
Features
Clean Out Port Provides Easy Wheel Access, Heat Baffle Provides Longer Motor Life
Exhaust Airflow @ 0.250 in SP
4,958 cfm
Housing Finish
Polyester Coated

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 in wc, Exhaust Airflow @ 0.000 in SP 5,400 cfm, Nameplate Voltage 208-230/460V AC, Phase 3, Motor Horsepower 1 hp, Assembly Unassembled, Number of Speeds 1, Housing Material Steel, Wheel Material Steel, High-Efficiency Motor No, For High-Static Pressure Applications No

Restrictions

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

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