5DDD Series 8" Roof Mount Direct Drive Downblast Fan ( 5DDD Series 8" Roof Mount Direct Drive Downblast Fan )

Direct-drive downblast ventilators are designed for use where steadyexhaust ventilation is needed under low to moderate static pressureconditions. Agency ListingAll ventilators are UL Standard 705 listedVentilators are CSA listed according to Standard C22.2No. 113-M1984 (Fans & Ventilators)Features and SpecificationsDownblast discharge design exhausts foul air from industrial andcommercial buildingsVentilators can be mounted on the roof or wallDurable spun aluminum construction with steel support bracesBackward inclined aluminum fan wheelExternally cooled motor compartmentMotor located out of discharge airstreamMotors are 115V or 115230V, 60 Hz, ball bearing motorswith Class B insulationPSC motors included in standard design (shaded pole motor styleused for 8" models)One-piece removable exhaust hoodInlet temperatures up to 170FBuilt-in bird screen to protect discharge and ensure safe,obstruction-free operationMotor and wheel are easily detachable without removingventilator from curbJunction box mounted in motor compartmentWindband rolled bead for added strength and easymaneuverabilityWelded curb cap corners eliminate water entry into ductsor buildingAll units are speed controllableAccessories (available separately)For more information, see Power Roof Ventilator AccessoriesSpeed controllersBackdraft dampersNEMA 1, NEMA 3R and NEMA 4 disconnect switchesFixed mounting curbsFantech 5DDD085A - 5DDD Series 8" Roof Mount Direct Drive Downblast Fan- Direct-drive downblast ventilators are designed for use where steadyexhaust ventilation is needed under low to moderate static pressureconditions.

Agency Listing

• All ventilators are UL Standard 705 listed
• Ventilators are CSA listed according to Standard C22.2No. 113-M1984 (Fans & Ventilators)
  
  Features and Specifications
  
  • Downblast discharge design exhausts foul air from industrial andcommercial buildings
  • Ventilators can be mounted on the roof or wall
  • Durable spun aluminum construction with steel support braces
  • Backward inclined aluminum fan wheel
  • Externally cooled motor compartment
  • Motor located out of discharge airstream
  • Motors are 115V or 115230V, 60 Hz, ball bearing motorswith Class B insulation
  • PSC motors included in standard design (shaded pole motor styleused for 8" models)
  • One-piece removable exhaust hood
  • Inlet temperatures up to 170F
  • Built-in bird screen to protect discharge and ensure safe,obstruction-free operation
  • Motor and wheel are easily detachable without removingventilator from curb
  • Junction box mounted in motor compartment
  • Windband rolled bead for added strength and easymaneuverability
  • Welded curb cap corners eliminate water entry into ductsor building
  • All units are speed controllable
    
    Accessories (available separately)
    
    • For more information, see Power Roof Ventilator Accessories
    • Speed controllers
    • Backdraft dampers
    • NEMA 1, NEMA 3R and NEMA 4 disconnect switches
    • Fixed mounting curbs