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Item Details - 1AHA8

DaytonHeavy-Duty Belt-Drive Exhaust Fan

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. Select unit with drive package.

  • Variable pitch adjustable motor pulley to optimize fan performance
  • Maximum inlet air temperature: 104º F
  • 6-Blade heavy-duty cast aluminum propellers

Agency Compliance

Performance

Motor HPMax BHPFan RPMCFM @
0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP0.625'' SP0.750'' SP0.875'' SP
1/3
0.38
814
CFM
Sones
1/2
0.58
939
CFM
Sones
3/4
0.86
1068
CFM
Sones
1
1.15
1178
CFM
Sones
0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP0.625'' SP0.750'' SP0.875'' SP
560848893679—————
14.214.216.3—————
64695867498736481158———
17.717.618.819.418.3———
735768476194528223391469——
21.021.021.024.023.022.0——
8115766971276375550324751686897
24.024.024.025.028.027.027.026.0
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

Galvanized Shutter
1C746
Item
Aluminum Shutter
3C308
Item
Fiberglass Shutter
5C215
Item
Fan Guard
1WBU3
Item
Wall Collar
1WBV1
Item
Wall Housing
3FKF8
Item
Weather Hood
1WBV9
Item

Product Specifications (Glossary)

Agency Compliance [?]
  • AMCA Sound & Air
  • UL/cUL 705
Assembled [?]FALSE
Bearing Type [?]Regreaseable Cast Pillow Block
CFM [?]897 to 8,115 ft3/min
Damper Width x Damper Height [?]24 x 24 in
Depth [?]18 in
Drive Package Description [?]Drives By Others
Drive Type [?]Belt Drive
Fan DescriptionExhaust Fan
Frame Material [?]Galvanized Steel
Height [?]28 in
Horsepower [?] 1/2 to 1 hp
Impeller Diameter (Nom.) [?]24 in
Impeller Material [?]Cast Aluminum
Impeller Type [?]Propeller
Max Inlet Temp [?]104 °F
Model DescriptionHeavy-Duty Belt-Drive Exhaust Fan
Mounting Location [?]Wall
Number of Blades [?]6
Shaft Diameter [?] 3/4 in
Speed Controllable [?]No
TypeHeavy-Duty Belt-Drive, Less Drive Package
Warranty Length [?]1 Year
Width [?]28 in

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