[RFI] Interference from AC units

[Richard Battles]

I have a new home and research the same problem.  i purchased a Rheem system
call the super quite 80 ac/heat pump with lp gas heat backup.  no rfi.  now
i had the installer
put ft-240-43 ferrite cores on the wires leaving the unit to the wall
thermostat, outside unit, and what ever else.  i have taken the yease
ft-897d with a sense ant up to the unit and no reveived
rfi at all.  my system is a seer 13, works very well but the new house has
r-50 in the attic, r-15 plus in outer walls, r-19 in floor, and r-11 in the
interior walls.  my unit uses ac/capacitor start motors.

My neighbor about 400 feet from me installed a Carrier seer 15 unit, and the
ac man used a air handler with ac/capacitor start motors and i hear no RFI.


richard

On Fri, Aug 26, 2011 at 3:39 PM, Mark Tyler <k5gq at juno.com> wrote:

> I believe my AC compressor is about to die.  The current is about 20% more
> than name plate. I am worried the newer units might generate noise that
> would reduce the ability to hear CW QRP stations. What brand and type are
> OK?   TRANE -- all models? What ones are not? Mark    K5GQHOUSTON, TX
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