Submittal: 5EFH7 | Products

Centrifugal Belt-Drive Downblast Exhaust Ventilator

Designed to meet the general clean air exhaust requirements for industrial and commercial buildings. Features a fully rolled windband bead for increased stability and easy transport. Fresh outside air is drawn in under the motor cover to maximize motor life.

Aluminum backward inclined, nonoverloading centrifugal wheel design
Maximum inlet air temperature: 180º F
NEMA 1 junction box located in motor enclosure
Optional NEMA 1 and 4 disconnects available
Sealed pillow block bearings
UL/cUL 705 Listed for Power Ventilators
Air handling quality bearings meet minimum of L10-100,000 hours

A	B	C	D
22 in	28 3/8 in	25 3/8 in	4 in

Performance Characteristics

Construction Features

Impeller Diameter (Typ.)	13 3/4 in
Impeller Type	Backward Inclined Centrifugal
Impeller Material	Aluminum
Max Inlet Temp	180 °F
Bearing Type	Sealed 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	1.000'' SP	1.250'' SP	1.500'' SP
1/4	0.26	1315	CFM	1866	1794	1718	1637	1545	1435	1305	1116	—	—	—
1/4	0.26	1315	Sones	13.2	12.8	12.5	12.1	11.7	11.2	10.9	10.4	—	—	—
1/3	0.35	1440	CFM	2044	1978	1911	1838	1759	1674	1571	1453	1299	—	—
1/3	0.35	1440	Sones	15.0	15.0	15.1	15.1	14.5	13.9	13.4	13.0	12.5	—	—
1/2	0.56	1685	CFM	2391	2335	2279	2219	2158	2093	2020	1946	1857	1654	1312
1/2	0.56	1685	Sones	16.9	16.6	16.3	16.0	15.7	15.4	15.1	14.8	14.5	13.9	13.5

Performance certified is for installation type A: Free inlet, Free outlet. Power rating (BHP) does not include transmission losses. Performance ratings include the effects of a birdscreen in the airstream. 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 sone levels.

Catalog 405, January 2010

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