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Dayton 3LU71 1/6 hp HVAC blower motor open frame resilient ring mount

Dayton

Dayton 3LU71 1/6 hp HVAC blower motor

SKU CH-FCPA-5BYS7

A permanent-split-capacitor blower motor delivers 1/6 hp at 1,075 RPM with four speeds on 115 V AC

  • Direct-drive design simplifies installation and reduces maintenance
  • 1/6 hp PSC motor delivers reliable airflow at 1075 RPM
  • Four-speed operation allows precise airflow adjustment for comfort
  • Auto thermal protection safeguards motor during continuous duty
  • Resilient-ring mounting minimizes vibration for quiet performance

Motor purpose and fit

The Dayton 3LU71 is a direct-drive blower motor rated at 1/6 hp for HVAC control applications. It runs on 115 V AC single-phase power with a permanent split capacitor design and delivers four selectable speeds. The 48YZ frame and resilient ring stud mounting suit a range of residential and light-commercial air-handling units.

Electrical and mounting checks

Confirm the supply is 115 V AC at 60 Hz and that the circuit can handle 2.7 A full-load current. The motor uses a 48YZ frame with resilient ring and stud mounting in any orientation, so verify the existing bracket matches this pattern. Ensure the 1/2 inch shaft diameter and 6 inch shaft length align with the blower wheel or pulley you intend to fit.

Build quality and daily implications

An open air-over enclosure relies on the airstream for cooling, so the motor must remain in the design airflow path. Automatic thermal protection and Class B insulation support continuous duty at ambient temperatures up to 40 degrees C. The reversible CW/CCW rotation and all-angle mounting give installers flexibility when positioning the unit in tight mechanical rooms.

Highlights

  • Direct-drive design simplifies installation and reduces maintenance
  • 1/6 hp PSC motor delivers reliable airflow at 1075 RPM
  • Four-speed operation allows precise airflow adjustment for comfort
  • Auto thermal protection safeguards motor during continuous duty
  • Resilient-ring mounting minimizes vibration for quiet performance

Specifications

BrandDAYTON

Questions about this item

What comes with the Dayton 3LU71 blower motor and what must be purchased separately?

The motor includes a 1/2 inch diameter shaft extending 6 inches and resilient ring mounting studs for direct installation. Capacitor, wiring, fan wheel and any duct adapters are not included and must be sourced separately.

Which voltage and speed configuration should I select for a 115 V residential furnace?

This model operates on 115 V AC at 60 Hz with four selectable speeds and a 1/6 hp rating, matching typical residential furnace requirements. No alternative voltage or horsepower versions are offered for this part number.

What does the 1075 RPM nameplate speed mean once the motor is installed in my air handler?

At full load the motor runs at 1075 RPM while drawing 2.7 amps on 115 V. The four-speed tap lets the installer match airflow to the system design, and the auto thermal protector shuts the motor down if the ambient temperature exceeds 40 °C.

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