A/C condenser fan


  #1  
Old 05-29-20, 09:07 PM
I
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A/C condenser fan

Hi
My condenser fan went bad. Do I need the exact same model or can I replace with one that matches the HP and RPM. My original one is 1/6 HP and 825 RPM.

Also can I replace with a higher RPM rating. The same HP but 1125 or so RPM is a bit cheaper than 825 RPM
Finally I saw that my condenser and compressor are wired to different capacitors. Do I need to keep different capacitors or can I move both to a single one

Thanks
 
  #2  
Old 05-29-20, 10:18 PM
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Welcome to the forums.

You don't need to use a factory replacement. A sub replacement is ok.
Your replacement motor will specify a capacitor size that it needs. You must match that.

There are two problems with using a faster speed motor.... 1) the blades are not designed to spin faster and 2) the blades are designed to work at a certain speed to match the motor load. You could probably use a slightly faster speed motor but the load will increase on the motor causing it to run hot.
 
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  #3  
Old 05-30-20, 05:16 AM
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I will repeat what Pete says.
You need the same speed and direction of rotation....... higher HP is ok as long as it is the same frame and roughly the same weight.
Higher speed can cause vibration problems and motor overload.
 
 

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