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Centrifugal Direct-Drive Upblast Wall-Mount Exhaust Ventilator

Item

Designed for use in restaurants, schools, commercial, and industrial applications to exhaust contaminated air from kitchen range hoods, up and away from the building. Leakproof, spun aluminum construction features a fully rolled windband for increased stability.

  • Aluminum backward inclined, nonoverloading centrifugal wheel design
  • NEMA 1 junction box located in motor enclosure
  • Optional NEMA 1 and 4 disconnects available
  • Maximum inlet air temperature: 300º F
  • UL/cUL 705 Listed for Power Ventilators
  • UL/cUL 762 Listed for Restaurant Exhaust Appliances
Item
ABCD
27 3/4 in35 3/8 in28 5/8 in21 in
EF
25 in17 1/2 in

Performance Characteristics
Item

Construction Features

Impeller Diameter (Typ.)18 1/2 in
Impeller TypeBackward Inclined Centrifugal
Impeller MaterialAluminum
Max Inlet Temp300 °F
Warranty Length1 Year

Motor Information

Motor Item Number4YU22
Voltage115/230
Hertz (Cycle)60 Hz
Motor Phase1
Motor EnclosureOpen Air-Over
RPM860 rpm
Full Load Amps6.0/3.0

Air & Sound Performance
Motor HPMax BHPFan RPMCFM @0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP0.625'' SP
1/20.40860CFM324930742922273224742171
Sones12.311.711.110.810.29.7

Performance certified is for installation type A: Free inlet, Free outlet. Performance ratings do not include the effects of appurtenances (accessories). 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.

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 762
Agency Compliance
CSA Certified Motor