DU-HFA

CaptiveAire | Centrifugal Upblast Direct Drive Fans

    • Air Volume: 2 – 22,500 cfm
    • Maximum SP: 4" wg. @ standard air density
    • Completely enclosed drive compartment protects motor from airborne contaminants
    • Forced fresh air through the motor compartment cools motor and ensures long motor life
    • Variable Speed Control on Single Phase Units Only. (VFDs required to adjust speed for 3 phase versions)
    • Non-overloading backward inclined wheels, blades and inlets fabricated from aluminum
    • Units up to 24" nominal wheel can be wall mounted
    • Quick release latches allow for easy access to motor compartment. (Size 12 & larger)
    • Standard emergency disconnect switch (Size 12 & larger)
    • Gravity Damper. (UL705 Only)
    • Motorized Damper. (UL705 Only)
    • Wall Mount Sleeve.
    • Roof Curb. (Vented and Non-Vented)
    • Grease Collection Box. (Size 12 & larger)
    • Bird Screen. (UL705 Only)
    • Base Hinging Kit or Hinged Sub Base. (for NFPA96 compliance)
    • Combination package that includes a supply fan mounted on the same roof curb.