Originally Posted by I BEgan
Today I replaced the Univolt converter in my AS with an Intelli Power 9200. The Univolt worked, but I could not stand the buzzing! Although installing the 9200 was a breeze, I was very discouraged to find that once I unplugged the unit, the buzzing was coming from my Armstrong A/C unit as well!
Is this normal? I have searched the forums and haven't heard anyone else complain about this. I was hoping that the problem would be corrected with the new converter. The unit is off and the buzzing is identical to that of a Univolt.
Anyone have ideas about how to fix my problem besides a good set of earplugs or pulling the fuse?
Thanks in advance,
The AC buzzing, is from a 24 volt transformer, that is hooked up to the air conditioner thermostat.
You can take the transformer out and soak it in a good clear enamel paint, for about one week. Rotate the transformer every day.
That will fill the gaps between the transformer laminations, and stop the noise.
Or, replace the transformer. Since it's a household door bell transformer, they are cheap. Any hardware store or a Home Depot will have them.