I am using an HVAC blower for a project that is not exactly HVAC related. I bought a used blower that came out of a 5 ton unit. It has a 220V, 3/4HP, 2-speed, 1075rpm direct drive motor and a 10x10 wheel. My original research lead me to believe that this blower would produce roughly 2000cfm at high speed.
Now my project specs have changed and I need a blower with a much lower CFM. Can I replace the current motor with a 110V 4-speed motor with hopes of getting lower CFM out of it because of it having 4 speeds? I prefer the 110V but that spec isn't critical.
Or... is it possible to use a variable speed controller on these types of motors?
Thanks,
Brad
Now my project specs have changed and I need a blower with a much lower CFM. Can I replace the current motor with a 110V 4-speed motor with hopes of getting lower CFM out of it because of it having 4 speeds? I prefer the 110V but that spec isn't critical.
Or... is it possible to use a variable speed controller on these types of motors?
Thanks,
Brad
source https://hvac-talk.com/vbb/showthread.php?2222210-REDUCE-Blower-CFM&goto=newpost
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