Submittal: 28A815 | Products

Heavy-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.

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

A	B	C	D
28 in	18 in	4 3/8 in	1 1/4 in
E	F
13 5/8 in	24 3/8 in

Performance Characteristics

Construction Features

Impeller Diameter (Typ.)	24 in
Impeller Type	Propeller
Impeller Material	Cast Aluminum
Number of Blades	6
Max Inlet Temp	104 °F
Bearing Type	Regreaseable Cast Pillow Block
Drive Package Description	Drives By Others
Warranty Length	1 Year

Air & Sound Performance

Motor HP	Max BHP	Fan RPM	CFM @	0.000'' SP	0.125'' SP	0.250'' SP	0.375'' SP	0.500'' SP	0.625'' SP	0.750'' SP	0.875'' SP
1/3	0.38	814	CFM	5608	4889	3679	—	—	—	—	—
1/3	0.38	814	Sones	14.2	14.2	16.3	—	—	—	—	—
1/2	0.58	939	CFM	6469	5867	4987	3648	1158	—	—	—
1/2	0.58	939	Sones	17.7	17.6	18.8	19.4	18.3	—	—	—
3/4	0.86	1068	CFM	7357	6847	6194	5282	2339	1469	—	—
3/4	0.86	1068	Sones	21.0	21.0	21.0	24.0	23.0	22.0	—	—
1	1.15	1178	CFM	8115	7669	7127	6375	5503	2475	1686	897
1	1.15	1178	Sones	24.0	24.0	24.0	25.0	28.0	27.0	27.0	26.0

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, June 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 705
Agency Compliance