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Tag Archives: residential units

Condenser Fan Motor Repair | Air Conditioners & Heat Pumps


Condenser Fan Motor Repair | Air Conditioners & Heat Pumps

What you will learn from this article:
1) Specific description of a condenser fan motors job along with some technical details
2) Air Conditioner & heat pump condenser fan motor operation
3) Condenser fan motor troubleshooting basics
4) Condenser fan motor repair warning and disclaimer – Turn the power off before working on the fan
5) Replacing or repairing the motor
6) Why you should replace the capacitor when you replace the motor
7) Conclusion along with lots of resource and related links so you can take a closer look and learn more.

Condenser Fan Motor Repair

Condenser Fan Motor Inside the Condenser

The condensing unit fan is responsible for pulling air through coils of the condensing unit. They pull air through the condensing unit coils. It runs the gamut in horsepower ratings from low fractional horsepower in small residential units all the way up to 1 horsepower (and larger) 3 phase motors in large commercial HVAC units.

It is usually direct drive to a propeller blade which creates the air flow. Its job it to move air. A specific quantity of air through the condensing unit coils so that a heat exchange process can take place and rig the condensing unit of the heat it absorbed indoors or in the case of the heat pump in heating mode to absorb heat from the outside air and send it inside.

Condenser Fan Motors Available for Purchase Here

It is the process of refrigeration and all the components work together to achieve one result and that is to move heat from one place to another.

A Closer Look – The classic definition of refrigeration is to move heat from one place to another. The condenser fan motor is an essential part of that process. Take a closer look at the HVAC Refrigeration


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Air Conditioning Blower Motor Repair


Air Conditioning Blower Motor Repair

Bad Air Conditioner Blower Motor

What you will learn from this article:
1) Basics about blower motors and air conditioning blower motor repair
2) How quickly can the repair be done?
3) Specialty blower motors and costs
4) blower motor and related parts in the blower
5) why replacing the capacitor is important

Labor (troubleshooting and repair of the air conditioner system) time (approximate): 1 1/2 to 3 hours depending on unit location and part availability

Air Conditioning Blower Motor RepairAir Conditioning Blower Motor Repair – This is common in the summer. High heat and constant use causes old (and some new) air conditioner blower motors to burn up. There are several different types of air conditioner motors and when dealing with anything electrical the best replacement is an exact replacement. There is a contradiction to that phrase. If you have a shaded pole air conditioner blower motor in your air handler I recommend that it be replaced with a PSC motor. If you don’t know what that terminology means, the air conditioner technician should know. PSC motors are far more efficient for air handler blower motor applications than shaded pole motors. Shaded pole air conditioner motors are a rare find (at least for me) but when they are found in blowers they should be replaced with PSC motors. Additionally, when replacing any PSC motor I recommend replacing the capacitor.

Blower Motors available here for purchase
ECM Blower Motors Available Here

Related Link: Learn more about electric motors used in HVAC – Take a closer look and learn more


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TUESDAY, June 30, 2015

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HVAC Tips: Helping You Learn

A thermocouple is commonly used in standing pilot gas furnaces and water heaters is technically referred to as a copple element and produces millivolts when heat is applied to the tip. This millivoltage is necessary to keep the pilot valve inside the gas valve open. If the pilot flame goes out, the thermocouple stops generating millivolts. Without the millivolts, the valve closes thus preventing gas from escaping when there is no flame. Thermocouples fail because of oxidation. It is recommended that you keep the pilot lit throughout the year to prevent excess oxidation. The thermocouple can be found in many different types of gas furnaces, gas logs, and gas water heaters. Learn How to Test a Thermocouple with a Multi-Meter

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