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Rheem-Ruud 51-102728-28 ECM Outdoor Motor

Rating:
5 5 5
5  Reviews Add Your Review
Special Price $496.48 Regular Price $551.09
Out of stock
SKU
51-102728-28
The Rheem-Ruud 51-102728-28 ECM Outdoor Motor is a high-efficiency component that has been designed for HVAC systems. It is designed specifically for outdoor usage and thus it is durable and reliable in performance. Operating under a standard voltage of 208-230V, this ECM provides a horsepower operating range of 1/3 to 1/2 HP which aids in airflow management with high efficiency. This motor is always used on the outdoor condenser unit in air conditioners and heat pumps where it runs at direct drive and counterclockwise rotation. Compared to conventional motors, ECM technology makes this motor more energy efficient, quieter, and better at controlling air flow rates, which translates to lower energy bills, increased comfort levels, and great performance of the system overall.
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Manufacturer:
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Specifications

  • Voltage: 208-230V
  • Weight: 12.75lbs
  • Horsepower: 1/3 to 1/2 HP
  • Motor Type: ECM
  • Type: Outdoor Motor
  • Drive Type: Direct
  • Rotation: Counterclockwise

Outdoor fan assemblies use motors to provide the mechanical drive required for fan movement. The Rheem-Ruud 51-102728-28 is an ECM outdoor motor that provides rotational drive to the connected fan assembly. Its primary role is to supply the mechanical movement required by the fan during equipment operation.

ECM Motor Operation and Control:
An ECM motor uses electronically controlled operation to provide the mechanical drive required by the connected application. The ECM configuration controls the motor's operation and produces the mechanical action required by the connected fan.

Direct-Drive and Rotational Characteristics:
The motor uses a direct-drive configuration, allowing mechanical drive to be transferred directly to the connected fan assembly. It is specified for counterclockwise rotation, which identifies the direction of shaft movement. The motor is rated within a 1/3–1/2 HP range.

Replacement Guidelines:
Replacement may be appropriate when the existing Rheem-Ruud 51-102728-28 no longer provides the required mechanical drive or develops irregular shaft rotation. Before ordering, compare the existing part number with the applicable equipment requirements and verified specifications.

Common Failure Symptoms:

  • The motor fails to start when movement is required.
  • Irregular shaft rotation develops.
  • The shaft rotates in an unexpected direction.
  • Unusual sounds occur during use.
  • Noticeable vibration develops during operation.

Equipment Compatibility:
The Rheem-Ruud 51-102728-28 ECM Outdoor Motor should be selected for applications requiring an ECM outdoor motor with direct drive, 208-230V supply, 1/3–1/2 HP capacity, and counterclockwise rotation. Before purchasing, confirm the existing part number, required motor technology, drive type, voltage, horsepower range, rotation, and other applicable equipment requirements.

Technical Specifications:
Part Identification:
Brand: Rheem-Ruud
Part Number: 51-102728-28
Product Type: ECM Outdoor Motor
Motor Technology: ECM

Electrical Specifications:
Voltage: 208-230V
Horsepower: 1/3–1/2 HP

Mechanical Specifications:
Rotation: Counterclockwise
Drive Type: Direct

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Product Questions (7)
Customer Questions
What maintenance is required for the Rheem-Ruud 51-102728-28 ECM Outdoor Motor?

Regularly inspect the motor for dirt, debris, or corrosion. Clean the housing and fan blades to maintain airflow and efficiency. Check electrical connections and mounting hardware, and always disconnect power before performing maintenance to ensure safety.

What are common issues with the Rheem-Ruud 51-102728-28 ECM Outdoor Motor?

  • Reduced airflow or weak performance.
  • Unusual noise or vibration.
  • Motor overheating.
  • Electrical connection faults or intermittent operation.

What type of motor is the Rheem-Ruud 51-102728-28?

The Rheem-Ruud 51-102728-28 is an ECM Outdoor Motor designed to provide mechanical drive to a connected outdoor fan assembly.

How is the 51-102728-28 different from the outdoor fan it drives?

The 51-102728-28 provides the mechanical drive, while the connected fan performs the air-moving function.

What does the ECM designation identify on this motor?

The ECM designation identifies the motor's electronically controlled configuration and distinguishes it from motors without that specified technology.

Why is the exact 51-102728-28 part number important?

The exact part number identifies the specific ECM Outdoor Motor and helps distinguish it from other motor configurations when matching the existing component.

Why is the exact 51-102728-28 part number important when selecting this motor?

The exact part number identifies the specific ECM Outdoor Motor and helps distinguish it from other motor configurations when matching the existing component.

Installation Steps

Step1: Turn off power to the HVAC unit before starting.

Step2: Remove the existing outdoor motor carefully.

Step3: Position the motor in place, aligning mounting points.

Step4: Secure with screws or fasteners provided.

Step5: Reconnect electrical wiring following the manufacturer’s diagram.

Step6: Ensure the fan blades spin freely without obstruction.

Step7: Restore power and test operation.

Step8: Wear gloves and follow all safety precautions.