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Carrier LA680546 4-Blade Fan 26" Diameter 1/2" Bore CCW

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Special Price $122.19 Regular Price $153.43
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SKU
LA680546
The Carrier LA680546 is a Fan Blade, used in different Carrier HVAC equipment. It has four blades that are made of steel for a long-lasting and rust-free operation. It has a 26” diameter and a 1/2” bore size, which allows proper air circulation inside the HVAC unit. The angles of the blades have been designed to be at 28 degrees to facilitate the right flow of air for heat exchange. They specified that a clockwise rotating pump is being used, this model turns counterclockwise. It offers support as it also moves air across the HVAC system. It has a significant role in ensuring the proper airflow and heat exchange in the HVAC system.
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Motors & Capacitors, Motors & Components
Manufacturer:
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Specifications

  • Size: 26 x 26 x 3.7 "
  • Composition: Steel
  • Fan Diameter: 26 "
  • Hub Bore Size: 1/2 "
  • Pitch: 28°
  • Prop 65: No
  • Rotation: Clockwise (CW)
  • Weight: 6.45lbs

Air-moving assemblies use rotating fans to circulate air through the associated equipment. The Carrier LA680546 is a 4-Blade fan designed to convert mechanical rotation from a compatible motor into airflow. Its role is to provide the air-moving surface required by the connected assembly.

Four-Blade Air Movement:
The fan uses its rotating blades to move air through the intended airflow path. As the blades turn, they transfer energy to the surrounding air, creating directional movement through the assembly. The fan's operation depends on the connected drive and the equipment's intended configuration.

Shaft Mounting and Rotation Direction:
The fan mounts to a compatible shaft through its center bore, allowing the motor's rotational force to drive the fan. The bore size and specified counterclockwise rotation are important mechanical characteristics when matching the fan to the existing assembly. Both must correspond to the equipment's mounting and operating requirements.

Replacement Guidelines:
Replacement may be appropriate when the fan has damaged blades or a compromised center bore that prevents secure mounting or proper rotation. Before ordering, compare the existing LA680546 part number and verified specifications with the requirements of the intended equipment.

Common Signs of Wear:

  • Excessive vibration during operation
  • Uneven fan rotation
  • Unusual operating noise
  • Visible corrosion or surface deterioration
  • Cracked or deformed fan blades

Equipment Compatibility:
The Carrier LA680546 is intended for compatible HVAC equipment requiring the corresponding fan configuration. The equipment models provided for compatibility checking are 48TJD009100, 48TJE009500, 48TJE012600, and 48TJD012500. Verify the applicable equipment model and fan part number against the manufacturer's parts documentation before purchasing.

Technical Specifications:
Product Identification:
Brand: Carrier
Part Number: LA680546
Product Type: 4-Blade Fan

Mechanical:
Blade Count: 4
Diameter: 26 in
Bore: 1/2 in
Rotation: CCW (Counterclockwise)

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Product Questions (7)
Customer Questions
What maintenance is required for the Carrier LA680546 Fan Blade?

Regularly inspect the fan blades and hub for dirt, debris, or damage. Clean blades carefully and ensure the bore is free of obstructions. Check that mounting hardware is tight and the fan spins smoothly to maintain balanced operation and prevent vibration.

What are common issues with the Carrier LA680546 Fan Blade?

  • Imbalanced or bent blades causing vibration.
  • Loose or worn mounting hardware.
  • Fan not spinning freely due to obstructions.
  • Noise or wobbling during operation.

What is the function of the Carrier LA680546 4-Blade Fan?

The Carrier LA680546 moves air through the connected assembly when driven by a compatible motor, supporting the equipment's intended air-circulation function.

How does the four-blade design support fan operation?

The four blades provide the rotating surfaces that interact with the surrounding air to create airflow through the intended path.

Why is the 1/2-inch bore important when selecting a replacement fan?

The bore provides the opening for mounting the fan onto a compatible shaft. Its size must match the shaft and mounting arrangement to allow secure installation.

Which equipment models should be checked for compatibility with the Carrier LA680546 Fan?

The supplied models are 48TJD009100, 48TJE009500, 48TJE012600, and 48TJD012500. Verify the correct fan part number for your specific equipment model using the applicable parts documentation before ordering.

How can I verify whether the LA680546 is the correct replacement?

Compare the part number, blade count, diameter, bore size, rotation direction, and intended equipment model with the applicable parts documentation before ordering.

Installation Steps

Step 1: Turn off power to the HVAC unit at the breaker to prevent electrical shock.

Step 2: Remove the fan guard or housing to access the existing blade.

Step 3: Loosen the set screw and carefully slide the old blade off the motor shaft.

Step 4: Align the new blade on the shaft CCW orientation and tighten the set screw securely.

Step 5: Reassemble the housing and restore power.