Download PDF for Print 5/20/2024

Heavy-Duty Belt-Drive Exhaust Fan

Item

Designed for commercial and industrial applications requiring high volume of air at low to medium static pressures. Construction includes heavy-duty drive frame channels, bearing plate and motor plate. Propeller utilizes a six-blade heavy-duty cast aluminum design. Mount in vertical position for exhaust applications or horizontal position for supply applications.

  • Variable pitch adjustable motor pulley to optimize fan performance
  • Maximum inlet air temperature: 104º F
  • 6-Blade heavy-duty cast aluminum propellers
GREEN Product GREEN Product
  • Motor is VFD Compatible
  • Meets Minimum & Optimize Energy Performance
Item
ABCD
34 in20 in5 1/4 in1 1/4 in
EF
14 3/4 in30 3/8 in

Performance Characteristics

Item

Construction Features

Impeller Diameter (Typ.)30 in
Impeller TypePropeller
Impeller MaterialCast Aluminum
Max Inlet Temp104 °F
Bearing TypeRegreaseable Cast Pillow Block
Drive Package DescriptionDrives Packaged Separately
Warranty Length1 Year

Motor Information

Motor Item Number2NKX4
Voltage208-230/460
Hertz (Cycle)60 Hz
Motor Phase3
Motor EnclosureTotally Enclosed Fan-Cooled
RPM1,760 rpm
Full Load Amps3.2-3.2/1.6

Other Components

ComponentDescriptionItem #
Fan DescriptionExhaust Fan1AHA9
BeltA35 (QTY: 1)3X620
Driver Sheave1VP34785UHR2
Driven Sheave641B6YRE2
Driven BushingSDS15YLH1

Air & Sound Performance

Motor HPMax BHPFan RPMCFM @0.000'' SP0.125'' SP0.250'' SP
11.15863CFM11,90110,7399276
Sones23.024.025.0

Performance certified is for installation type A: Free inlet, Free outlet. Power rating (BHP) does not include transmission losses. 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 fan sone levels.

Catalog 405, January 2010

Operating Range of Drive Package

Turns Open01/211 1/222 2/133 1/244 1/25
Approx. FRPM863841812784756728699671643614586

Agency Compliance

Dayton Electric Mfg. Co. certifies that the fans 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