Axial Downblast Roof Exhaust Fan, Mounting Location Roof, Assembly Unassembled, Blade Diameter 30 in, Housing Material Aluminum, Exhaust Airflow @ 0.000 in SP 8,056 cfm, For High-Static Pressure Applications No, High-Efficiency Motor No, Maximum Static Pressure 1 in wc, Motor Enclosure Open Dripproof, Motor Horsepower 2 hp, Nameplate Voltage 115/208-230V AC, Number of Speeds 1, Phase 1, Maximum Inlet Air Temperature 120 Degrees F, Number of Blades 5, Supply Airflow @ 0.000 in SP 8,056 cfm
| Item | Axial Downblast Roof Exhaust Fan |
|---|---|
| Item - Roof Ventilators | Exhaust Ventilator |
| Drive Package With Motor Included | Yes |
| Drive Type - Roof Ventilators | Belt Drive |
| Blade Dia. | 30 in |
| Voltage - Roof Ventilators | 230V AC, 115V AC |
| Motor HP - Roof Ventilators | 2 HP |
| CFM @ 0.000-In. SP | 8,056 cfm |
| Base Size - Roof Ventilators | 42 in x 42 in |
| Dimension D (In.) | 4-3/4 |
| Assembled/Unassembled | Unassembled |
| CFM @ 0.250-In. SP | 7,087 cfm |
| CFM @ 0.125-In. SP | 7,572 cfm |
| Type | Axial Belt Drive Downblast with Drive Package |
| Adj. 6 3/8"H Roof Curb Stock No. | 4c455 |
| CFM @ 0.750-In. SP | 4,841 cfm |
| Dimension A (In.) | 42 |
| Max. BHP | 1.9529 |
| Base Length (In.) | 42 |
| Overall Dia. (In.) | 47-1/2 |
| CFM @ 0.375-In. SP | 6,559 cfm |
| Phase | 1 |
| Agency Compliance | UL And C-UL Listed |
| Max. Inlet Temp. (Deg. F) | 120 Degrees F |
| Motor HP | 2 |
| Base Width (In.) | 42 |
| Dimension C (In.) | 34-3/8 |
| Stock No. | 4YU90 |
| Requires | Roof Curb for New Installations |
| Bearing Type | Regreasable Pillow Block |
| Overall Height (In.) | 36-1/8 |
| Shaft Dia. Sheave End (In.) | 1-1/4 |
| Dimension A | 42 in |
| CFM @ 0.675-In. SP | 5,320 cfm |
| Max. Operating Amps | 24/12 |
| Housing Material | Aluminum |
| Base Height (In.) | 1 3/4 in |
| Motor Voltage | 115/230 |
| Recommended 8 In. Fixed Curb Item No. | 4HX43 |
| Shaft Dia. Propeller End (In.) | 1-1/4 |
| Propeller Material | Steel |
| Dimension D | 4-3/4 in |
| Application | Industrial and Commercial Applications |
| Includes | Drive Package, NEMA 1 Junction Box |
| Dimension B (In.) | 47-1/2 |
| Recommended Damper Size (In.) | 35 x 35 |
| Recommended Damper Stock No. | 4HX69 |
| Base Square Size - Roof Ventilators | 42 in x 42 in |
| CFM @ 0.875-In. SP | 4,150 cfm |
| Motor HP Range | 1/2 to 2 |
| Mounting Location | Roof |
| Speed Controllable | No |
| Dimension C | 34-3/8 in |
| Propeller Dia. (In.) | 30 |
| RPM | 875 RPM |
| CFM @ 1.000-In. SP | 3,448 cfm |
| CFM @ 0.500-In. SP | 5,956 cfm |
| Motor Hz | 60 Hz |
| Dimension B | 47-1/2 in |
| Drive Package Included | Yes |
| Recommended 12 In. Fixed Curb Item No. | 2RB81 |
| Adj. 12 3/8"H Roof Curb Stock No. | 2ZV84 |
| Blade Design | Swept Steeply Pitched |
| Exhaust Airflow @ 0.125 in SP | 7,572 cfm |
| Maximum Static Pressure | 1 in wc |
| Base Width | 42 in |
| Maximum Fan Speed | 875 RPM |
| Mount Type | Roof Curb |
| Base Length | 42 in |
| Brake Horsepower | 1 49/50 hp |
| Safety Features | Birdscreen, Windband |
| Blade Diameter | 30 in |
| Housing Length | 47-1/2 in |
| Propeller Shaft Diameter | 1 in |
| Damper Size | 35 in x 35 in |
| For High-Static Pressure Applications | No |
| Overall Width | 47-1/2 in |
| Overall Height | 36-1/8 in |
| Exhaust Airflow @ 0.375 in SP | 6,559 cfm |
| Current | 20.2/10.7-10.1 A |
| Maximum Inlet Air Temperature | 120 deg F |
| Housing Material Fabrication | Spun |
| Resistance Properties | Weather Resistant |
| Exhaust Airflow @ 0.500 in SP | 5,956 cfm |
| Assembly | Unassembled |
| Overall Length | 47-1/2 in |
| Maximum Ambient Temperature | 120 Degrees F |
| Motor Enclosure | Open Dripproof |
| Number of Blades | 5 |
| Features | Fully Rolled Bead on the Windband Ensures Stability and Provides Rigidity for Lifting and Transporting, NEMA 1 Junction Box Located in Motor Enclosure |
| Exhaust Airflow @ 0.000 in SP | 8,056 cfm |
| Nameplate Voltage | 115/208-230V AC |
| Base Height | 1-3/4 in |
| Supply Airflow @ 0.000 in SP | 8,056 cfm |
| Overall Diameter | Not Applicable |
| Blade Material | Steel |
| Frequency | 60 Hz |
| Motor Horsepower | 2 HP |
| Drive Type | Belt Drive |
| Includes Motor | Yes |
| Standards | AMCA Sound and Air, UL/cUL 705 |
| Base Shape | Square |
| Electrical Connection | Power Cord |
| Includes Drive Package | Yes |
| For Air Type | Clean Air |
| Motor Location | Out of Airstream |
| Base Diameter | Not Applicable |
| Compatible Curb Manufacturer Part Number | 2RB81, 2ZV84, 3C438, 4C455, 4HX43, 4HX51 |
| Airflow @ 0.000 in SP | 8,056 cfm |
| Housing Width | 47-1/2 in |
| Number of Speeds | 1 |
| Exhaust Airflow @ 0.250 in SP | 7,087 cfm |
| High-Efficiency Motor | No |
| Wire Rope Length | 47-1/2 in |
| Length | 47-1/2 in |
| Fits Chest Size | Fully Rolled Bead on the Windband Ensures Stability and Provides Rigidity for Lifting and Transporting, NEMA 1 Junction Box Located in Motor Enclosure |
| Country of Origin (subject to change) | Multiple |
| Package Quantity | 1 |