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Description:
Centrifugal Upblast Roof Exhaust Fan, Application Industrial and Commercial Buildings, Restaurants, Schools, Drive Type Belt Drive, Wheel Diameter 11 1/4 in, Base Diameter Not Applicable, Base Length 22 in, Base Width 22 in, Base Shape Square, Maximum Static Pressure 2 1/2 in wc, Maximum Airflow 1,014 cfm, Minimum Airflow 323 cfm, Maximum Motor Horsepower 1/2 hp, Minimum Motor Horsepower 1/4 hp, Maximum Motor Speed 2,580 RPM, Minimum Motor Speed 2,045 RPM, Assembly Unassembled
Attributes
| Key ^ | Value |
|---|---|
| Adj. 12 3/8"H Roof Curb Stock No. | 2ZV82 |
| Adj. 6 3/8"H Roof Curb Stock No. | 4C670 |
| Adj. UL 762 Kitchen Roof Curb Stock No. | 4HX61 |
| Application | Industrial and Commercial Buildings, Restaurants, Schools |
| Assembly | Unassembled |
| Base Diameter | Not Applicable |
| Base Dimension | 22 in Square |
| Base Height | 1 3/4 in |
| Base Length, Base Width | 22" |
| Base Shape | Square |
| Base Size - Roof Ventilators | 22 in x 22 in |
| Bearing Type | Sealed Pillow Block |
| Brake Horsepower | 13/50 hp, 7/20 hp, 53/100 hp |
| CFM Range | 761 to 1014 @ 0.5 in SP |
| Compatible Curb Manufacturer Part Number | 24Y860, 2RB75-2RB77, 2RB79-2RB82, 2ZV82-2ZV85 |
| Cutout Length | 17.5 in |
| Cutout Size | 17.5 in L x 17.5 in W |
| Damper Size | 15 x 15 in |
| Dimension A | 22 in |
| Dimension B, Overall Dia., Overall Diameter, Overall Width | 24 7/8 in |
| Dimension C, Overall Height | 25 1/8 in |
| Dimension D | 17 3/8 in |
| Drive Package With Motor Included, Includes Drive Package, Includes Motor | No |
| Drive Type | Belt |
| Drive Type - Roof Ventilators | Belt Drive |
| Duty Rating - Roof Ventilators | Standard |
| Electrical Connection | Power Cord |
| Features | Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, NEMA 1 Junction Box Located in Motor Enclosure, Nonoverloading Centrifugal Wheel Design |
| Fixed UL 762 Kitchen Roof Curb Stock No. | 4HX55 |
| For Air Type | Kitchen Air |
| For Airflow (Dependent on Motor) | 323 cfm to 1,014 cfm |
| For High-Static Pressure Applications | Yes |
| Grease Capacity | Standard Grease |
| Housing Length, Housing Width | 24.9 in |
| Housing Material | Spun Aluminum |
| Housing Material Fabrication | Spun |
| Includes | NEMA 1 Junction Box |
| Item | Centrifugal Upblast Roof Exhaust Fan |
| Item - Roof Ventilators | Upblast Ventilator |
| Max. Inlet Temp. | 300 Degrees |
| Maximum Ambient Temperature, Maximum Inlet Air Temperature | 300 Degrees F |
| Maximum Fan Speed, Maximum Motor Speed | 2,580 RPM |
| Maximum Motor Horsepower | 1/2 hp |
| Maximum Static Pressure | 2 1/2 in wc |
| Minimum Airflow | 323 cfm |
| Minimum Motor Horsepower | 1/4 hp |
| Minimum Motor Speed | 2,045 RPM |
| Motor HP Range | 1/4 to 1/2 |
| Motor Location | Out of Airstream |
| Mount Type | Roof Curb |
| Mounting Location, Mounting Location - Roof Ventilators | Roof |
| Number of Speeds | 1 |
| Overall Depth | 26 7/8 in |
| Propeller Shaft Diameter, Shaft Dia. Sheave End, Shaft Dia. Wheel End | 3/4 in |
| Recommended 12 In. Fixed Curb Item No. | 2RB76 |
| Recommended 8 In. Fixed Curb Item No. | 4HX39 |
| Recommended Damper Size (In.) | 15 x 15 |
| Recommended Damper Stock No. | 4HX65 |
| Resistance Properties | Spark Resistant |
| RPM Range | 2045 to 2580 |
| Safety Features | Fully Rolled Windband |
| Sound Level | Fan RPM 2045: 13.9 sones @ 0.500 in SP and 5 ft, 13.5 sones @ 0.625 in SP and 5 ft, 12.7 sones @ 0.750 in SP and 5 ft, 12.2 sones @ 0.875 in SP and 5 ft, 12.1 sones @ 1.000 in SP and 5 ft, 11.5 sones @ 1.250 in SP and 5 ft, 11.4 sones @ 1.500 in SP and 5 ft, Fan RPM 2250: 14.4 sones @ 0.500 in SP and 5 ft, 14.4 sones @ 0.625 in SP and 5 ft, 14.2 sones @ 0.750 in SP and 5 ft, 13.7 sones @ 0.875 in SP and 5 ft, 13.2 sones @ 1.000 in SP and 5 ft, 12.5 sones @ 1.250 in SP and 5 ft, 11.9 sones @ 1.500 in SP and 5 ft, 11.6 sones @ 1.750 in SP and 5 ft, Fan RPM 2580: 16.8 sones @ 0.500 in SP and 5 ft, 16.4 sones @ 0.625 in SP and 5 ft, 16.0 sones @ 0.750 in SP and 5 ft, 15.9 sones @ 0.875 in SP and 5 ft, 15.7 sones @ 1.000 in SP and 5 ft, 15.1 sones @ 1.250 in SP and 5 ft, 14.4 sones @ 1.500 in SP and 5 ft, 13.7 sones @ 1.750 in SP and 5 ft, 13.2 sones @ 2.000 in SP and 5 ft, 12.9 sones @ 2.250 in SP and 5 ft, 12.5 sones @ 2.500 in SP |
| Spark Resistant Construction Type | A |
| Standards | UL/cUL 762, AMCA Sound & Air |
| Stock No. | 2RB65 |
| Wheel & Housing Material | Aluminum / Aluminum |
| Wheel Dia., Wheel Diameter | 11 1/4 in |
| Wheel Material | Aluminum |
| Wheel Type | Backward Inclined Centrifugal |