New style vs old style blower resistor

[k0m0d067]

Are the new style better than the old style? Price-wise, they seem fairly comparable...any advantages or disadvantages to either?

Old

New

 

[flyinfish]

Electronic vs Coil Blower Motor Control​

The blower motor control module/resistor is a crucial component in heating, ventilation, and air conditioning (HVAC) systems, responsible for regulating the speed of the blower motor. There are two primary types: electronic and coil-based. Here’s a breakdown of their characteristics:

Coil-Based (Traditional) Blower Motor Resistor:​

1. Mechanical resistance: Varying coils of different thickness create a resistance difference, controlling the amount of current reaching the blower motor.
2. Fixed speeds: Typically, 4-5 fixed speeds are available, with the motor speed determined by the resistance path selected.
3. Simple design: Fewer electronic components, making it less prone to failure and easier to repair.
4. Less precise control: Motor speed control is less precise compared to electronic modules.

Electronic Blower Motor Control Module:​

1. Transistor-based: Uses transistors to control the flow of current to the blower motor, allowing for more precise speed control.
2. Variable speeds: Can provide a range of speeds, often with automatic climate control and other features.
3. Complex design: More electronic components, making it more susceptible to failure and requiring specialized repair.
4. Improved precision: Motor speed control is more precise, with better temperature and humidity regulation.

Key Takeaways:​

• Coil-based resistors are simpler, less prone to failure, and easier to repair, but offer limited speed control.
• Electronic control modules provide more precise speed control, variable speeds, and additional features, but are more complex and require specialized repair.
• When choosing between the two, consider the system’s requirements, maintenance needs, and the desired level of precision and control.

Troubleshooting and Replacement:​

• Coil-based resistors: Visual inspection, resistance testing, and replacement as needed.
• Electronic control modules: Diagnostic testing, voltage drop testing, and replacement as needed. It’s essential to ensure proper installation and calibration after replacement

*These are AI search results*

 

[k0m0d067]

Anyone have specific experience with the new style?

 

[Zorba]

Are they interchangeable?

 

[k0m0d067]

Are they interchangeable?

Seems so