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Item Details - 20UD15

DaytonVariable Speed Electronically Commutated (EC) Blower

Designed for indoor clean air applications including intake, exhaust, return, or make-up air systems in industrial or commercial buildings. Rugged construction allows fan to be installed in ductwork either horizontally or vertically. Duct collars provide easy duct connections. Energy Saving units feature EC motors which allow up to 80% usable turndown. Motor features potentiometer dial for speed adjustment. Optional Variable-Speed Control Kit (43Y140) can be used to remotely control speed.

  • Aluminum backward inclined, nonoverloading centrifugal wheel design
  • NEMA 1 junction box included
  • Units are speed controllable
  • Maximum inlet air temperature: 104º F
  • UL/cUL 705 Listed for Power Ventilators
  • Reduces overall energy usage and cost

GREEN Product GREEN ProductAgency Compliance

Performance

Motor HPMax BHPFan RPMCFM @
0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP0.625'' SP0.750'' SP
1/6
0.02
900
CFM
Sones
1/6
0.10
1050
CFM
Sones
1/6
0.10
1300
CFM
Sones
1/6
0.10
1550
CFM
Sones
1/6
0.14
1725
CFM
Sones
0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP0.625'' SP0.750'' SP
534353—————
3.02.8—————
623475275————
4.94.54.5————
771660523352———
7.66.76.46.4———
920830720604462276—
9.69.38.78.17.67.1—
1024948850751641507352
11.411.411.210.410.19.28.4
Agency Compliance

Dayton Electric Mfg. Co. certifies that the blowers 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 B: Free inlet, Ducted outlet. 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 B: Free inlet hemispherical fan sone levels.

Catalog 405, July 2014

Recommended Accessories

Speed Control
35YV92
Item
Speed Control
35YV93
Item
Speed Control
35YV94
Item
Speed Control
43Y140
Item

Product Specifications (Glossary)

Agency Compliance [?]
  • UL/cUL 705
  • AMCA Sound & Air
Assembled [?]TRUE
CFM [?]275 to 1,024 ft3/min
Depth [?]16 in
Drive Type [?]Direct Drive
Fan DescriptionInline Fan
Full Load Amps [?]3.1
Height [?]15 in
Hertz (Cycle) [?]60 Hz
Horsepower (Typ.) [?] 1/6 hp
Housing Material [?]Galvanized Steel
Impeller Diameter (Nom.) [?]11 in
Impeller Material [?]Aluminum
Impeller Type [?]Backward Inclined Centrifugal
Includes [?]
  • Access Panels
  • NEMA 1 Junction Box
  • Motor mounted potentiometer for speed adjustment
  • Variable speed UL recognized motor
Inlet Width x Inlet Height [?]11 7/8 x 11 7/8 in
Max Inlet Temp [?]104 °F
Model DescriptionVariable Speed Electronically Commutated (EC) Blower
Motor Enclosure [?]Totally Enclosed
Motor Insulation [?]B
Motor Phase [?]1
Motor Type [?]
Mounting Location [?]Inline
Motor Nominal Efficiency82 %
Outlet Width x Outlet Height [?]11 7/8 x 11 7/8 in
Shaft Diameter [?] 1/2 in
Speed Controllable [?]Yes
TypeCentrifugal Direct-Drive Inline, Variable-Speed
Voltage [?]115
Warranty Length [?]1 Year
Width [?]15 in

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