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Variable Speed Electronically Commutated (EC) Blower

Item

Designed for indoor clean air applications including intake, exhaust, return, or make-up air systems in industrial or commercial buildings. Rugged construction allows fan to be installed in ductwork either horizontally or vertically. Duct collars provide easy duct connections. 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 included
  • Units are speed controllable
  • Maximum inlet air temperature: 104º F
  • UL/cUL 705 Listed for Power Ventilators
  • Reduces overall energy usage and cost
GREEN Product GREEN Product
    Item
    ABCD
    19 in21 in15 7/8 in1 in

    Performance Characteristics
    Item

    Construction Features

    Impeller Diameter (Typ.)13 1/8 in
    Impeller TypeBackward Inclined Centrifugal
    Impeller MaterialAluminum
    Max Inlet Temp104 °F
    Warranty Length1 Year

    Motor Information

    Motor Item Number43Y137
    Voltage115
    Hertz (Cycle)60 Hz
    Motor Phase1
    Motor EnclosureOpen
    RPM rpm
    Full Load Amps6.7

    Air & Sound Performance
    Motor HPMax BHPFan RPMCFM @0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP0.625'' SP0.750'' SP0.875'' SP1.000'' SP1.250'' SP
    1/20.07900CFM1016894766587——————
    Sones4.94.63.73.5——————
    1/20.111050CFM11861080976858707—————
    Sones6.36.15.65.14.9—————
    1/20.141140CFM128711891094992873692————
    Sones7.47.27.06.35.95.8————
    1/20.211300CFM146813831298121411221018893———
    Sones9.08.78.48.17.77.37.1———
    1/20.351550CFM175016791607153614661393131312231122—
    Sones12.011.511.211.111.010.710.410.09.7—
    1/20.481725CFM1948188318181754169216281562149214161239
    Sones14.714.113.813.613.513.413.213.012.611.9

    Performance certified is for installation type B: Free inlet, Ducted 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 B: Free inlet hemispherical fan sone levels.

    Catalog 405, July 2014

    Agency Compliance

    Dayton Electric Mfg. Co. certifies that the blowers 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