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  9. Downblast Vent, Direct Drive, 8-1/4 In
Dayton Downblast Vent, Direct Drive, 8-1/4 In 48C189 - main

Downblast Vent, Direct Drive, 8-1/4 In

  • Mfr # 48C189

  • Zoro # G7010902

product price: $626.99
/ea
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Key Features

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

Product Information

MFR #
48C189
Zoro #
G7010902
UPC #
190735320327
Country of Origin
United States

Dimensions

Base Size - Roof Ventilators
17 in x 17 in
Dimension B
21 3/4 in
Overall Height
40 1/4 in
Wheel Dia.
8 1/4 in
Base Length
17 in
Shaft Dia. Wheel End
1/2 in
Base Height
1 3/4 in
Base Width
17 in
Dimension D
4 in
Dimension A
17 in
Overall Dia.
21 3/4 in
Base Square Size - Roof Ventilators
17" x 17"
Dimension C
14 5/8 in
Overall Width
21 3/4 in
Overall Length
21 3/4 in
Housing Length
21.8 in
Propeller Shaft Diameter
1/2 in
Overall Diameter
21 3/4 in
Housing Width
21.8 in
Cutout Length
12 in
Wheel Diameter
8 1/4 in
Cutout Size
12 in L x 12 in W
Damper Size
9 1/2 x 9 1/2 in

Details

Item - Roof Ventilators
Downblast Ventilator
Drive Package With Motor Included
Yes
Duty Rating - Roof Ventilators
Standard
Drive Type - Roof Ventilators
Direct Drive
Mounting Location - Roof Ventilators
Roof
Number of Speeds
Variable
Voltage - Roof Ventilators
115V AC
Motor HP - Roof Ventilators
1/6 hp
CFM @ 0.000-In. SP
426/565/855
CFM @ 0.625-In. SP
-/-/522
Hz
60
Adj. 6 3/8"H Roof Curb Stock No.
4c453
RPM
860/1140/1725
CFM @ 0.875-In. SP
-/-/-
Wheel Material
Aluminum
CFM @ 0.125-In. SP
298/474/794
Speed Control
43Y140
CFM @ 0.375-In. SP
-/-/671
CFM @ 1.250-In. SP
-/-/-
Motor Type
Electronically Commutated
Item
Centrifugal Downblast Roof Exhaust Fan
Includes
NEMA 1 Junction Box
CFM @ 0.750-In. SP
-/-/406
Wheel Type
Backward Inclined
Drive Type
Direct Drive
CFM @ 1.500-In. SP
-/-/-
CFM @ 0.250-In. SP
-/367/735
Sones @ 0.125-In. SP @ 5 Ft.
-/4.4/9.5
Max. BHP
0.26 hp
Motor Voltage
115
Max. Inlet Temp.
130 Degrees
Phase
1
CFM @ 0.500-In. SP
-/-/600
Speed Controllable
Variable Speed
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Motor HP
1/6
Drive Package Included
Yes
Sones @ 0.500-In. SP @ 5 Ft.
-/-/9.1
Assembled/Unassembled
Assembled
Sones @ 0.250-In. SP @ 5 Ft.
-/4.6/9.4
Recommended 12 In. Fixed Curb Item No.
5EFJ2
Recommended 8 In. Fixed Curb Item No.
3TZ53
Housing Material
Aluminum
Adj. 12 3/8"H Roof Curb Stock No.
2ZV82
Mounting Location
Roof
CFM @ 1.000-In. SP
-/-/-
Standards
AMCA Sound and Air, UL/cUL 705
Application
Industrial and Commercial Applications
Features
Energy Saving Units Feature Ec Motors Which Allow up to 80% Useable Turndown, Fresh Outside Air is Drawn In Under The Motor Cover to Maximize Motor Life, Fully Rolled Windband Bead For Increased Stability and Easy Transport, High-Efficiency Brushless DC Motor, Motor Features Potentiometer Dial for Speed Adjustment, Nema 1 Junction Box Located in Motor Enclosure, Nonoverloading Centrifugal Wheel Design, Optional Nema 1 And 4 Disconnects Available
Mount Type
Roof Curb
Exhaust Airflow @ 0.250 in SP
735 cfm
Includes Drive Package
Yes
Brake Horsepower
1/100 hp
Maximum Ambient Temperature
130 Degrees F
Exhaust Airflow @ 0.000 in SP
855 cfm
Housing Material Fabrication
Spun
Exhaust Airflow @ 0.375 in SP
671 cfm
For High-Static Pressure Applications
No
High-Efficiency Motor
Yes
Mounting Orientation
Vertical
Base Shape
Square
Sound Level
Fan RPM 1140: 4.5 sones @ 0.000 in SP and 5 ft, 4.4 sones @ 0.125 in SP and 5 ft, 4.6 sones @ 0.250 in SP and 5 ft, Fan RPM 1725: 9.7 sones @ 0.000 in SP and 5 ft, 9.5 sones @ 0.125 in SP and 5 ft, 9.4 sones @ 0.250 in SP and 5 ft, 9.2 sones @ 0.375 in SP and 5 ft, 9.1 sones @ 0.500 in SP and 5 ft, 9.1 sones @ 0.625 in SP and 5 ft, 11.0 sones @ 0.750 in SP and 5 ft, Fan RPM 860: 2.1 sones @ 0.000 in SP and 5 ft, 2.2 sones @ 0.125 in SP and 5 ft
Maximum Inlet Air Temperature
130 Degrees F
Assembly
Assembled
Exhaust Airflow @ 0.125 in SP
794 cfm
Compatible Speed Control
35YV92, 35YV93, 35YV94, 43Y140
Electrical Connection
Power Cord
Motor Enclosure
Totally Enclosed Fan Cooled
Exhaust Airflow @ 0.500 in SP
600 cfm
Nameplate Voltage
115V AC
Safety Features
Birdscreen, Windband
For Air Type
Clean Air
Maximum Fan Speed
1,725 RPM
Current
3.1 A
Includes Motor
Yes
Motor Horsepower
1/6 hp
Maximum Static Pressure
3/4 in wc
Airflow @ 0.000 in SP
855 cfm
Frequency
60 Hz
Compatible Curb Manufacturer Part Number
2ZV82, 5EFJ2
Spark Resistant Construction Type
A

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Direct Drive, Assembly Assembled, Wheel Diameter 8 1/4 in, Base Diameter Not Applicable, Base Length 17 in, Base Width 17 in, Base Shape Square, Nameplate Voltage 115V AC, Phase 1, Motor Horsepower 1/6 hp, Exhaust Airflow @ 0.000 in SP 855 cfm, For High-Static Pressure Applications No, High-Efficiency Motor Yes, For Air Type Clean Air, Includes Drive Package Yes, Includes Motor Yes, Mounting Location Roof, Maximum Static Pressure 3/4 in wc

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