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Item Details - 1AHA2

DaytonMedium-Duty Belt-Drive Exhaust Fan

Designed for commercial and industrial applications requiring high volumes of air at low static pressures. Construction includes heavy-duty drive frame rails and one-piece motor/bearing plate. Propeller utilizes a five-blade reinforced galvanized steel design which provides low sound levels. Mount in vertical position for exhaust applications or horizontal position for supply applications. Select unit with drive package.

  • Variable pitch adjustable motor pulley to optimize fan performance
  • Maximum inlet air temperature: 104º F
  • 5-Blade reinforced galvanized steel propellers

Agency Compliance

Performance

Motor HPMax BHPFan RPMCFM @
0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP
1/2
0.58
594
CFM
Sones
3/4
0.86
675
CFM
Sones
1
1.15
745
CFM
Sones
1 1/2
1.73
852
CFM
Sones
2
2.30
936
CFM
Sones
0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP
98298499———
15.414.6———
11,16910,0678391——
18.317.416.9——
12,32811,3559977——
21.020.019.8——
14,09813,27912,27110,859—
26.026.025.024.0—
15,48814,74213,89112,73511,377
31.030.030.029.029.0
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.

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

Recommended Accessories

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3C728
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Fan Guard
1WBU4
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Wall Collar
1WBV2
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Wall Housing
3FKF9
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Weather Hood
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Product Specifications (Glossary)

Agency Compliance [?]
  • AMCA Sound & Air
  • UL/cUL 705
Assembled [?]FALSE
Bearing Type [?]Regreaseable Cast Pillow Block
CFM [?]8,499 to 15,488 ft3/min
Damper Width x Damper Height [?]30 x 30 in
Depth [?]20 in
Drive Package Description [?]Drives By Others
Drive Type [?]Belt Drive
Fan DescriptionExhaust Fan
Frame Material [?]Galvanized Steel
Height [?]34 in
Horsepower [?] 1/2 to 2 hp
Impeller Diameter (Nom.) [?]30 in
Impeller Material [?]Galvanized Steel
Impeller Type [?]Propeller
Max Inlet Temp [?]104 °F
Model DescriptionMedium-Duty Belt-Drive Exhaust Fan
Mounting Location [?]Wall
Number of Blades [?]5
Shaft Diameter [?]1 in
Speed Controllable [?]No
TypeMedium Duty Belt-Drive, Less Drive Package
Warranty Length [?]1 Year
Width [?]34 in

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