Download PDF for Print 5/6/2024

Centrifugal Direct-Drive Downblast Exhaust Ventilator

Item

Designed to meet the general clean air exhaust requirements for industrial and commercial buildings. 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.

  • Aluminum backward inclined, nonoverloading centrifugal wheel design
  • Maximum inlet air temperature: 130º F
  • NEMA 1 junction box located in motor enclosure
  • Optional NEMA 1 and 4 disconnects available
  • UL/cUL 705 Listed for Power Ventilators
Item
ABCD
19 in21 3/4 in14 5/8 in4 in

Performance Characteristics
Item

Construction Features

Impeller Diameter (Typ.)10 1/2 in
Impeller TypeBackward Inclined Centrifugal
Impeller MaterialAluminum
Max Inlet Temp130 °F
Warranty Length1 Year

Motor Information

Motor Item Number4YU34
Voltage115
Hertz (Cycle)60 Hz
Motor Phase1
Motor EnclosureOpen Air-Over
RPM
  • 1,550 rpm
  • 1,300 rpm
  • 1,050 rpm
Full Load Amps2.6/2.3/1.4

Air & Sound Performance
Motor HPMax BHPFan RPMCFM @0.000'' SP0.125'' SP0.250'' SP
1/80.041050CFM717570389
Sones5.44.54.5

Performance certified is for installation type A: Free inlet, Free outlet. Performance ratings include the effects of a birdscreen in the airstream. 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 fan sone levels.

Catalog 405, January 2010

Agency Compliance

Dayton Electric Mfg. Co. certifies that the ventilators shown herein are 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.

AMCA Sound & Air
Agency Compliance
UL/cUL 705
Agency Compliance
CSA Certified Motor