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Item Details - 4YY10

DaytonCentrifugal 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. Select unit with drive package.

  • 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
  • Regreaseable pillow block bearings
  • Air handling quality bearings meet minimum of L10-100,000 hours
  • UL/cUL 705 Listed for Power Ventilators

Agency Compliance

Performance

Motor HPMax BHPFan RPMCFM @
0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP0.625'' SP0.750'' SP0.875'' SP1.000'' SP1.250'' SP1.500'' SP1.750'' SP2.000'' SP
1/3
0.35
365
CFM
Sones
1/2
0.53
420
CFM
Sones
3/4
0.77
475
CFM
Sones
1
1.07
530
CFM
Sones
1 1/2
1.55
600
CFM
Sones
2
2.11
665
CFM
Sones
3
3.15
760
CFM
Sones
5
5.09
890
CFM
Sones
0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP0.625'' SP0.750'' SP0.875'' SP1.000'' SP1.250'' SP1.500'' SP1.750'' SP2.000'' SP
591252224340——————————
9.26.25.7——————————
6803622255374641—————————
9.68.07.06.5—————————
76947197661659555095————————
11.410.69.68.88.1————————
8585815076407094645656684195——————
13.412.912.211.510.710.09.4——————
97199334890784467952738867215743—————
15.915.414.914.313.813.212.211.1—————
10,77210,42510,060964892288773826976997025————
18.818.217.717.216.816.315.714.813.7————
12,31112,00711,70411,35710,99710,62910,2429836936982936437——
23.022.021.021.021.020.019.819.318.616.814.0——
14,41614,15713,89813,63913,33513,02812,71612,40212,07311,37910,53695687963
28.028.028.027.027.026.026.025.025.024.022.021.018.7
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 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

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Product Specifications (Glossary)

Agency Compliance [?]
  • AMCA Sound & Air
  • UL/cUL 705
Assembled [?]FALSE
Base Height [?]1 3/4 in
Bearing Type [?]Regreaseable Pillow Block
CFM [?]4,340 to 14,416 ft3/min
Curb Cap Size [?]42 in
Damper Width x Damper Height [?]35 x 35 in
Drive Package Description [?]Drives By Others
Drive Type [?]Belt Drive
Fan DescriptionExhaust Fan
Height [?]36 in
Horsepower [?] 1/3 to 5 hp
Housing Material [?]Spun Aluminum
Impeller Diameter (Nom.) [?]30 in
Impeller Material [?]Aluminum
Impeller Type [?]Backward Inclined Centrifugal
Includes [?]NEMA 1 Junction Box
Max Inlet Temp [?]180 °F
Model DescriptionCentrifugal Belt-Drive Downblast Exhaust Ventilator
Mounting Location [?]Roof
Overall Diameter [?]50 in
Recommended Damper Size35 x 35
Required Accessory [?]Roof Curb For New Installation
Roof Opening Width x Roof Opening Length [?]37 1/2 x 37 1/2 in
Shaft Diameter [?]1 in
Speed Controllable [?]No
TypeCentrifugal Belt-Drive Downblast, Less Drive Package
Warranty Length [?]1 Year

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