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Item Details - 20UD19

DaytonUtility Exhaust Direct-Drive Blower

Designed for industrial spark resistant applications requiring high volumes of air at high static pressures. Constructed out of heavy gauge steel with polyester gray coating. Scroll is clockwise rotation and can be rotated in 45º increments to 8 positions (shipped in upblast position). Includes weatherhood and a bolted access door located on the scroll. Features electronically commutated (EC) motor, providing up to 60% energy savings. Potentiometer dial on motor allows speed control down to 80%. Optional speed control kit No. 43Y140 allows the user to manually adjust a fan's speed from a remote location and mounts to a wall using a 2x4 junction box. For internal or external mounting.

  • Maximum inlet air temperature: 180º F
  • UL/cUL 705 Listed for Power Ventilators
  • Polyester gray coating
  • Backward incline nonoverloading aluminum wheel
  • Aluminum rub ring
  • Bolted access door

GREEN Product GREEN ProductAgency Compliance

Performance

Not Applicable

Motor HPMax BHPFan RPMCFM @
0.250'' SP0.500'' SP0.750'' SP1.000'' SP1.500'' SP2.000'' SP
3/4
—
1100
CFM
Sones
3/4
—
1650
CFM
Sones
3/4
—
2200
CFM
Sones
0.250'' SP0.500'' SP0.750'' SP1.000'' SP1.500'' SP2.000'' SP
711509————
——————
12171097968834——
——11.8———
169116021512142212261018
——18.9———
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 comply with the requirements of the AMCA Certified Ratings Program.

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects of appurtenances (accessories). The AMCA Certified ratings Seal applies to air performance ratings only.

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Product Specifications (Glossary)

Agency Compliance [?]
  • AMCA Air
  • UL/cUL 705
  • CSA Certified Motor
Assembled [?]TRUE
CFM [?]509 to 1,691 ft3/min
Depth [?]20 1/8 in
Drive Type [?]Direct Drive
Fan DescriptionExhaust Fan
Full Load Amps [?]10.6
GREEN SpecificationsVariable Speed capable of 80% turn down at a minimum of 85% efficiency at all speeds
Height [?]23 3/4 in
Hertz (Cycle) [?]60 Hz
Horsepower (Typ.) [?] 3/4 hp
Housing Material [?]Heavy Gauge Steel
Impeller Diameter (Nom.) [?]11 in
Impeller Material [?]Aluminum
Impeller Type [?]Backward Inclined Centrifugal
Includes [?]
  • Weatherhood
  • Motor mounted potentiometer for speed adjustment
  • Variable speed UL recognized motor
  • NEMA 1 Junction Box
Max Inlet Temp [?]180 °F
Model DescriptionUtility Exhaust Direct-Drive Blower
Motor Enclosure [?]Open
Motor Insulation [?]B
Motor Phase [?]1
Motor Type [?]
Mounting Location [?]Roof
Motor Nominal Efficiency82 %
Outlet Width x Outlet Height [?]9 3/4 x 23 3/4 in
Speed Controllable [?]Yes
TypeBackward Incline, Direct-Drive
Voltage [?]115
Warranty Length [?]1 Year

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