Home / Downblast Ventilator, Variable Speeds

Downblast Ventilator, Variable Speeds

SKU
Brand Dayton
Categories
Description Centrifugal Downblast Roof Exhaust Fan, Drive Type Direct Drive, Assembly Assembled, Wheel Diameter 14 3/4 in, Base Diameter Not Applicable, Base Length 26 in, Base Width 26 in, Base Shape Square, Nameplate Voltage 115V AC, Phase 1, Motor Horsepower 3/4 hp, Exhaust Airflow @ 0.000 in SP 1,742 cfm, For High-Static Pressure Applications Yes, High-Efficiency Motor Yes, For Air Type Clean Air, Includes Drive Package Yes, Includes Motor Yes, Mounting Location Roof, Maximum Static Pressure 3 in wc
graingerSKU: 52CD43, mscSKU: , zoro_no: G7344569, mongo_id: 65bbe94f22d7a989a994a58d

Web Price

$1,439.99 / each

Product Details

Adj. 12 3/8H Roof Curb Stock No. 4C670

Adj. 6 3/8H Roof Curb Stock No. 4c453

Agency Compliance AMCA Sound & Air, UL/cUL 705

Airflow @ 0.000 in SP 1,742 cfm

Airflow @ 0.000 in SP - Range 0 to 1,999 cfm

Assembled/Unassembled Assembled

Assembly Assembled

Base Diameter Not Applicable

Base Dimension 26 in Square

Base Height 1 3/4 in

Base Length 22

Base Shape Square

Base Size - Roof Ventilators 22 in x 22 in

Base Square Size - Roof Ventilators 22 x 22

Base Width 22

Brake Horsepower 2/25 hp

CFM @ 0.500-In. SP 645/1213/1623

CFM @ 0.625-In. SP 323/1173/1593

CFM @ 0.750-In. SP -/1132/1562

CFM @ 0.875-In. SP -/1085/1532

CFM @ 1.000-In. SP -/1035/1500

CFM @ 1.250-In. SP -/932/1436

CFM @ 1.500-In. SP -/784/1360

CFM @ 1.75-In. SP -/588/1281

CFM @ 2.000-In. SP -/-/1200

CFM @ 2.250-In. SP -/-/1088

CFM @ 2.500-In. SP -/-/968

CFM @ 2.75-In. SP -/-/834

Compatible Curb Manufacturer Part Number 2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48

Compatible Speed Control 43Y140

Country of Origin (subject to change) United States

Current 11.3 A

Cutout Length 17.5 in

Cutout Size 17.5 in L x 17.5 in W

Damper Size 19 x 19 in

Drive Package Included Yes

Drive Package With Motor Included Yes

Drive Type Direct-Drive

Drive Type - Roof Ventilators Direct Drive

Duty Rating - Roof Ventilators Standard

Electrical Connection Power Cord

Exhaust Airflow @ 0.000 in SP 1,742 cfm

Exhaust Airflow @ 0.000 in SP - Range 0 to 1,999 cfm

Exhaust Airflow @ 0.500 in SP 1,623 cfm

Exhaust Airflow @ 0.500 in SP - Range 0 to 1,999 cfm

Features High-Efficiency Brushless DC Motor, NEMA 1 Junction Box Located in Motor Enclosure, Nonoverloading Centrifugal Wheel Design, Optional NEMA 1 and 4 Disconnects Available

For Air Type Clean Air

For High-Static Pressure Applications Yes

Frequency 60 Hz

Green Environmental Attribute Product Contributes To Reducing Energy Consumption

High-Efficiency Motor Yes

Housing Length 28.4 in

Housing Material Spun Aluminum

Housing Material Fabrication Spun

Housing Width 28.4 in

Hz_ 60

Includes NEMA 1 Junction Box

Includes Drive Package Yes

Includes Motor Yes

Item - Roof Ventilators Downblast Ventilator

Material Aluminum Blade with Aluminum Housing

Max. BHP 0.09 hp

Max. Inlet Temp. 130 Degrees

Max. Operating Amps 11.3

Maximum Ambient Temperature 130 Degrees F

Maximum Fan Speed 2,200 RPM

Maximum Inlet Air Temperature 130 Degrees F

Maximum Static Pressure 3 in wc

Motor Efficiency High-Efficiency Motors

Motor Enclosure Open Dripproof

Motor Enclosure Design Open Dripproof (ODP)

Motor Horsepower 3/4 hp

Motor HP 3/4

Motor HP - Roof Ventilators 3/4 hp

Motor Type EC Motor

Motor Voltage 115

Mount Type Roof Curb

Mounting Location Roof

Mounting Location - Roof Ventilators Roof

Mounting Orientation Vertical

Nameplate Voltage 115V AC

Nominal Voltage 115V AC

Number of Speeds Variable

Overall Dia. 28 3/8 in

Overall Diameter 28 3/8 in

Overall Height 23 3/4 in

Overall Length 28 3/8 in

Overall Width 28 3/8 in

Package Quantity 1

Phase 1

Propeller Shaft Diameter 5/8 in

Recommended 12 In. Fixed Curb Item No. 2RB76

Recommended 8 In. Fixed Curb Item No. 4HX39

RPM 1020/1725/2200

Shaft Dia. Wheel End 1/2 in

Sones @ 0.125-In. SP @ 5 Ft. N/A

Sones @ 0.500-In. SP @ 5 Ft. 6.3/16.2/23.0

Sound Level Fan RPM 1020: 8.1 sones @ 0.000 in SP and 5 ft, 7.6 sones @ 0.125 in SP and 5 ft, 7.1 sones @ 0.250 in SP and 5 ft, 6.5 sones @ 0.375 in SP and 5 ft, 6.3 sones @ 0.500 in SP and 5 ft, 6.5 sones @ 0.625 in SP and 5 ft, Fan RPM 1725: 17.6 sones @ 0.000 in SP and 5 ft, 17.3 sones @ 0.125 in SP and 5 ft, 17.0 sones @ 0.250 in SP and 5 ft, 16.7 sones @ 0.375 in SP and 5 ft, 16.2 sones @ 0.500 in SP and 5 ft, 15.9 sones @ 0.625 in SP and 5 ft, 15.6 sones @ 0.750 in SP and 5 ft, 15.2 sones @ 0.875 in SP and 5 ft, 14.8 sones @ 1.000 in SP and 5 ft, 14.3 sones @ 1.250 in SP and 5 ft, 14.3 sones @ 1.500 in SP and 5 ft, 15.0 sones @ 1.750 in SP and 5 ft, Fan RPM 2200: 24.0 sones @ 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, 23.0 sones @ 0.375 in SP and 5 ft, 23.0 sones @ 0.500 in SP and 5 ft, 23.0 sones @ 0.625 in SP and 5 ft, 22.0 sones @ 0.750 in SP and 5 ft, 22.0 sones @ 0.875 in SP and 5 ft, 22.0 sones @ 1.000 in SP and 5 ft, 22.0 sones @ 1.250 in SP and 5 ft, 21.0 sones @ 1.500 in SP and 5 ft, 21.0 sones @ 1.750 in SP and 5 ft, 21.0 sones @ 2.000 in SP and 5 ft, 21.0 sones @ 2.250 in SP and 5 ft, 19.9 sones @ 2.500 in SP and 5 ft, 20.0 sones @ 2.750 in SP and 5 ft, 22.0 sones @ 3.000 in SP and 5 ft

Speed Control 43Y140

Speed Controllable Yes

Voltage - Roof Ventilators 115V AC

Wheel Dia. 13 3/4 in

Wheel Diameter 14 3/4 in

Wheel Material Aluminum

Wheel Type Backward Inclined Centrifugal