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Variable Speed Electronically Commutated (EC) 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. Energy Saving units feature EC motors which allow up to 80% usable turndown. Motor features potentiometer dial for speed adjustment. Optional Variable-Speed Control Kit (43Y140) can be used to remotely control speed.

  • 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
  • High-efficiency brushless DC motor
  • UL/cUL 705 Listed for Power Ventilators
  • UL/cUL 762 Listed for Restaurant Exhaust Appliances
GREEN Product GREEN Product
  • Variable Speed capable of 80% turn down at a minimum of 85% efficiency at all speeds
  • Reduce Energy Consumption
Item
ABCD
27 3/4 in35 3/8 in28 5/8 in21 in
EF
25 in17 1/2 in

Performance Characteristics

(No Fan Curve Available.)

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 Number43Y139
Voltage115
Hertz (Cycle)60 Hz
Motor Phase1
Motor EnclosureOpen
RPM rpm
Full Load Amps12.4

Air & Sound Performance

Motor HPMax BHPFan RPMCFM @0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP0.625'' SP0.750'' SP0.875'' SP
10.26745CFM28152617244821431763
Sones9.28.68.17.47.1
10.40860CFM324930742922273224742171
Sones12.311.711.110.810.29.7
10.631000CFM37783625348633623190296327382440
Sones15.114.914.714.614.313.713.312.3

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, November 2013

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