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Item Details - 4YY27

DaytonAxial Belt-Drive Upblast Exhaust Ventilator

Designed for use in industrial and commercial buildings such as warehouses, manufacturing facilities, foundries, and laboratories. Housing is constructed of heavy gauge galvanized steel. The windband is removable for easy inspection. Lifting lugs are provided. Select unit with drive package.

  • Maximum inlet air temperature: 120º F
  • UL/cUL 705 Listed for Power Ventilators
  • Air handling quality bearings meet minimum of L10-100,000 hours
  • Regreaseable pillow block bearings

Agency Compliance

Performance

Motor HPMax BHPFan RPMCFM @
0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP0.625'' SP
1 1/2
1.81
399
CFM
Sones
2
2.40
439
CFM
Sones
3
3.61
502
CFM
Sones
5
5.98
594
CFM
Sones
0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP0.625'' SP
25,51722,35617,815———
16.515.816.8———
28,07525,31221,50114,614——
19.318.818.821.0——
32,10429,82926,52823,37616,326—
24.024.023.024.025.0—
37,98736,15433,83830,75828,24022,667
30.029.029.028.030.032.0
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 sone levels.

Catalog 405, January 2010

Recommended Accessories

Adjustable, Canted Roof Curb
3C216
Item
Adjustable, Straight-Sided Roof Curb
2ZV86
Item
Fixed, Straight-Sided Roof Curb
3AZJ7
Item

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 [?]14,614 to 37,987 ft3/min
Curb Cap Size [?]56 3/4 in
Drive Package Description [?]Drives By Others
Drive Type [?]Belt Drive
Fan DescriptionExhaust Fan
Frame Material [?]Galvanized Steel
Height [?]40 in
Horsepower [?]1 1/2 to 5 hp
Housing Material [?]Galvanized Steel
Impeller Diameter (Nom.) [?]48 in
Impeller Material [?]Steel
Impeller Type [?]Propeller
Max Inlet Temp [?]120 °F
Model DescriptionAxial Belt-Drive Upblast Exhaust Ventilator
Mounting Location [?]Roof
Number of Blades [?]5
Overall Diameter [?]58 in
Required Accessory [?]Roof Curb For New Installation
Roof Opening Width x Roof Opening Length [?]52 x 52 in
Shaft Diameter [?]1 1/4 in
Speed Controllable [?]No
SuffixA
TypeAxial Belt-Drive Upblast, Less Drive Package
Warranty Length [?]1 Year

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