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Carrier 48TC003644 5-Blade Fan 28" DIA

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2  Reviews Add Your Review
Special Price $229.91 Regular Price $255.20
Out of stock
SKU
48TC003644
The Carrier 48TC003644 is a 28” diameter replacement fan blade for Carrier HVAC systems. It is usually plastic and it is used to provide ventilation within the unit. The fan blade rotates because of the blower motor shaft to which it is fitted by a 1/2“ hub bore. The airflow is essential for proper operation because this air cools down the condenser coil during the cooling mode or circulates the hot air from the furnace during the heating mode. Though fixing a faulty fan blade requires the right tool and can be self-done by the homeowner, it is always advisable to consult an HVAC analyst for advice.
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Manufacturer:
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Specifications

  • Size: 24.5 x 24.5 x 4.5 "
  • Composition: Plastic
  • Fan Diameter: 23 "
  • Hub Bore Size: 1/2 "
  • Prop 65: Yes
  • Weight: 3lbs

Fan blades provide the air movement needed by connected HVAC fan assemblies. The Carrier 48TC003644 is a five-blade fan component designed for compatible equipment. When driven by a motor, its rotating blades move air through the associated system.

Fan Blade Operation:
The motor transfers rotational movement to the fan through its hub connection. As the five blades rotate, they move surrounding air through the fan assembly.

Hub Connection:
The central hub connects the fan blade to the motor shaft. Its 1/2-inch bore identifies the specified shaft opening and helps determine whether the blade fits the intended drive connection.

Replacement Guidelines:
Replacement may be appropriate when the fan blade is cracked, damaged, or unbalanced in a way that affects its operation. Before ordering, compare the existing part number and required blade configuration with the replacement specifications.

Common Failure Symptoms:

  • Cracked or damaged blades
  • Excessive vibration during operation
  • Unusual operating noise
  • Loose connection at the hub
  • Reduced airflow

Equipment Compatibility:
The Carrier 48TC003644 is intended for compatible HVAC fan assemblies. The related part numbers provided are 48TC004631, 48TC004641, and 48TC004633; confirm whether the required part number and fan configuration match the specific equipment before purchasing.

Technical Specifications:
Product Identification:
Brand: Carrier
Part Number: 48TC003644
Product Type: Fan Blade

Mechanical:
Number of Blades: 5
Diameter: 28 inches

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Product Questions (7)
Customer Questions
What maintenance is required for the Carrier 48TC003644 5-Blade Fan?

Regularly inspect the fan blades for dirt, cracks, or damage. Clean blades gently to maintain balance and airflow. Ensure all mounting bolts and electrical connections are secure, and always disconnect power before handling to ensure safety.

What are common issues with the Carrier 48TC003644 5-Blade Fan?

  • Imbalanced or bent blades.
  • Excessive vibration or noise.
  • Loose mounting bolts.
  • Motor or electrical connection problems.

What is the function of the Carrier 48TC003644 fan blade?

It moves air through the connected fan assembly when rotated by the motor, supporting the airflow required by the equipment.

How does the five-blade design help move air?

The blades rotate around the central hub and displace surrounding air as the motor turns the assembly.

What does the 1/2-inch hub bore indicate?

It identifies the diameter of the central opening used to fit the fan blade onto the motor shaft. The bore must match the required shaft connection.

Which part numbers are listed as related to the Carrier 48TC003644?

The provided related part numbers are 48TC004631, 48TC004641, and 48TC004633. Their interchangeability has not been established, so confirm the required part number and configuration before ordering.

What should be checked before selecting a replacement fan blade?

Confirm the part number, blade count, diameter, hub bore, and required configuration against the existing fan and equipment specifications.

Installation Steps

Step1: Turn off power at the breaker before starting.

Step2: Unbox the fan and verify all parts are included.

Step3: Assemble the blades onto the motor housing according to the instructions.

Step4: Secure the mounting bracket to the ceiling joist using proper anchors.

Step5: Attach the fan blade to the bracket and tighten all screws.

Step6: Connect wiring following the included electrical diagram.

Step7: Install fan blades and light kit if included.

Step8: Restore power and check that the fan operates correctly.