mpn:
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MPN:
Description:
Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Assembled, Wheel Diameter 11 in, Base Diameter Not Applicable, Base Length 19 in, Base Width 19 in, Base Shape Square, Nameplate Voltage 115/208-230V AC, Phase 1, Motor Horsepower 1/4 hp, Exhaust Airflow @ 0.000 in SP 1,296 cfm, For High-Static Pressure Applications No, High-Efficiency Motor No, For Air Type Clean Air, Includes Drive Package Yes, Includes Motor Yes, Mounting Location Roof, Maximum Static Pressure 1 in wc
Attributes
| Key ^ | Value |
|---|---|
| Adj. 12 3/8"H Roof Curb Stock No. | 2ZV82 |
| Adj. 6 3/8"H Roof Curb Stock No. | 4c453 |
| Agency Compliance | AMCA Sound & Air, CSA Certified Motor, UL/cUL 705 |
| Airflow @ 0.000 in SP - Range, Exhaust Airflow @ 0.000 in SP - Range, Exhaust Airflow @ 0.500 in SP - Range | 0 to 1,999 cfm |
| Airflow @ 0.000 in SP, Exhaust Airflow @ 0.000 in SP | 1,296 cfm |
| Application | Industrial and Commercial Applications |
| Assembled/Unassembled | Assembled |
| Base Diameter | Not Applicable |
| Base Dimension | 19 in Square |
| Base Height | 1 3/4 in |
| Base Length, Base Width | 19" |
| Base Size - Roof Ventilators | 19 in x 19 in |
| Base Square Size - Roof Ventilators | 19" x 19" |
| Bearing Type | Sealed Pillow Block |
| Brake Horsepower, Motor HP - Roof Ventilators | 1/4 hp |
| CFM @ 0.000-In. SP | 1296 |
| CFM @ 0.125-In. SP | 1238 |
| CFM @ 0.250-In. SP | 1180 |
| CFM @ 0.375-In. SP | 1122 |
| CFM @ 0.500-In. SP | 1062 |
| CFM @ 0.625-In. SP | 999 |
| CFM @ 0.750-In. SP | 934 |
| CFM @ 0.875-In. SP | 867 |
| CFM @ 1.000-In. SP | 785 |
| Compatible Curb Manufacturer Part Number | 2RB75, 2ZV82, 4C453, 4C670, 4HX38, 4HX46 |
| Current | 6.2/2.8 to 3.1 A |
| Cutout Length | 14.5 in |
| Cutout Size | 14.5 in L x 14.5 in W |
| Damper Size | 12 x 12 in |
| Dimension A | 19 in |
| Dimension B, Overall Dia., Overall Diameter, Overall Length, Overall Width | 24 3/8 in |
| Dimension C, Overall Height | 24 7/8 in |
| Dimension D | 4 3/8 in |
| Drive Package Included, Drive Package With Motor Included, Includes Drive Package, Includes Motor | Yes |
| Drive Type | Belt-Drive |
| Drive Type - Roof Ventilators | Belt Drive |
| Duty Rating - Roof Ventilators | Standard |
| Electrical Connection | Power Cord |
| Exhaust Airflow @ 0.125 in SP | 1,238 cfm |
| Exhaust Airflow @ 0.250 in SP | 1,180 cfm |
| Exhaust Airflow @ 0.375 in SP | 1,122 cfm |
| Features | Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, Features a Fully Rolled Windband Bead for Increased Stability and Easy Transport, Fresh Outside Air is Drawn in Under the Motor Cover to Maximize Motor Life, 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, Speed Controllable | no |
| Frequency | 60 Hz |
| Housing Length, Housing Width | 24.4 in |
| Housing Material | Spun Aluminum |
| Hz | 60 |
| Includes | NEMA 1 Junction Box |
| Item | Centrifugal Downblast Roof Exhaust Fan |
| Item - Roof Ventilators | Downblast Ventilator |
| Material | Aluminum Blade with Aluminum Housing |
| Max. BHP | 0.25 hp |
| Max. Inlet Temp. | 180 Degrees |
| Max. Operating Amps | 6.2/2.8 |
| Maximum Ambient Temperature, Maximum Inlet Air Temperature | 180 Degrees F |
| Maximum Static Pressure | 1 in wc |
| Motor Efficiency | Standard-Efficiency Motors |
| Motor Enclosure | Open Dripproof |
| Motor Enclosure Design | Open Dripproof (ODP) |
| Motor HP | 1/4 |
| Motor Location | Out of Airstream |
| Motor Speed | 1,725 RPM |
| Motor Voltage | 115/208/230 |
| Mounting Location, Mounting Location - Roof Ventilators | Roof |
| Number of Speeds, Phase | 1 |
| Propeller Shaft Diameter, Shaft Dia. Wheel End | 3/4 in |
| Recommended 12 In. Fixed Curb Item No. | 2RB75 |
| Recommended 8 In. Fixed Curb Item No. | 4HX38 |
| Resistance Properties | Weather Resistant |
| RPM | 1710 |
| Safety Features | BIRDSCREEN, Windband |
| Sones @ 0.125-In. SP @ 5 Ft. | 13.3 |
| Sones @ 0.250-In. SP @ 5 Ft. | 13.2 |
| Sones @ 0.500-In. SP @ 5 Ft. | 12.7 |
| Voltage - Roof Ventilators | 115V AC/208V AC/230V AC |
| Wheel Dia., Wheel Diameter | 11 in |
| Wheel Material | Aluminum |
| Wheel Type | Backward Inclined Centrifugal |