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    Centrifugal Downblast Exhaust Fan, Product # GB-200-15130XQD-DR1, 2765-4870 CFM

    Centrifugal Downblast Exhaust Fan, Product # GB-200-15130XQD-DR1, 2765-4870 CFM

    • 30 x 30 inch base with prepunched mounting holes for easy attachment to roof curb
    • Variable pitch adjustable motor pulley to optimize fan performance
    • 26.5 x 26.5 inch recommended roof opening
    • Shipping Type:
      Freight
    $2,412.05
    25 Days
    Lead Time 
    Free shipping
    OR
    Need a specific configuration?
    Submit a request online and get a quote from your local representative within 4 hours.

    • 30 x 30 inch base with prepunched mounting holes for easy attachment to roof curb
    • Variable pitch adjustable motor pulley to optimize fan performance
    • 26.5 x 26.5 inch recommended roof opening
    • Shipping Type:
      Freight

    Model GB, belt drive centrifugal roof exhaust fans are designed to meet the general clean air exhaust requirements for industrial and commercial buildings. Units feature 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. Ideal for new installations or for retrofit, replacement applications. Curb adapters and reducers available to eliminate the need to field fabricate transitions when there is an existing roof curb.

    • Centrifugal wheel provides high-efficiency and minimal sound
    • True vibration isolation supports the motor and wheel for long life and quiet operation
    • One-piece aluminum curb cap provides a weather-tight fit
    • Galvanized birdscreen protects the fan discharge from birds and small objects
    • Fully rolled windband bead for increased stability and easy transport
    • Positive motor cooling with fresh air results in maximum motor life
    • Permanent embossed aluminum nameplate for exact model and serial number identification
    • Motor, belt and pulleys shipped loose for field assembly

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    California Residents-

    Prop 65 Warning
    California Title 20
    Specifications
    Base/Panel Length X Width
    30 x 30 in
    Curb Cap Size
    30 in
    Impeller Diameter
    21 5/8 in
    Roof Opening Width x Roof Opening Length
    26 1/2 x 26 1/2 in
    Base Height
    1 3/4 in
    Base Top to Shroud Top
    28 in
    Damper Width x Damper Height
    24 x 24 in
    Bearing Size
    3/4 in
    Height
    28 in
    Weight
    118 lbs
    Overall Diameter
    35 1/2 in
    Application
    Exhaust General and Clean Air
    Housing Material
    Spun Aluminum
    Drive Type
    Belt Drive
    Impeller Type
    Centrifugal Wheel
    Impeller Material
    Aluminum
    Includes
    Unassembled drive package
    Certifications
    AMCA Sound & Air
    High Wind and Hurricane
    Seismic
    UL/cUL 705
    Drive Package Description
    Motor and drives shipped loose
    Required Accessory
    Roof curb for new installations
    Motor Insulation
    B
    Motor Phase
    1
    Voltage
    115/208-230
    HP
    1 1/2
    Hertz
    60
    Motor Enclosure
    Open Drip Proof
    RPM
    1800
    Thermal Protection
    AutoOverload
    Shipping Type
    Freight
    Warranty Length
    1 Year
    Performance
    CFM Range
    2765-4870
    FRPM Range
    810-880

    California Title 20 | Fan Energy Index Boundaries
    Fan Energy Index >= 1.00 Efficiency Boundaries

    Max Airflow (CFM) 5072
    Max Fan Speed (RPM) 1201
    Max Pressure (in. w.g.) 1.770
    Type of Pressure Static

    Note: Operation outside of these boundaries will result in an energy inefficient operation

    Ps (in. wg) 0 0.125 0.25 0.375 0.5 0.625 0.75 0.875
    1 1/2 0.82 880 810 CFM 4870 4666 4409 4195 3951 3658 3293 2765
    Sones 14.8 14 13.5 13 12.4 12 11.5 11.7
    Bhp 0.78 0.79 0.8 0.82 0.82 0.82 0.8 0.76
    1 1/2
    0.82
    880
    810
    Ps (in. wg) CFM Sones Bhp
    0 4870 14.8 0.78
    0.125 4666 14 0.79
    0.25 4409 13.5 0.8
    0.375 4195 13 0.82
    0.5 3951 12.4 0.82
    0.625 3658 12 0.82
    0.75 3293 11.5 0.8
    0.875 2765 11.7 0.76
    • Greenheck Fan Corporation certifies that the model shown herein is licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and AMCA Publication 311 and comply with the requirements of the AMCA Certified Ratings Program.
    • Performance certified is for installation type A: Free inlet, Free outlet.
    • Power rating (BHP/kW) includes transmission losses.
    • Performance ratings include the effects of birdscreen.
    • The sound ratings shown are loudness values in fan sones at 5 ft. (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values shown are for installation type A: free inlet hemispherical sone levels.
    Documents
    Videos

    Common methods for tensioning a rooftop exhaust fan belt

    Centering a wheel on a spun aluminum rooftop exhaust fan

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