If possible, when you replace your HVAC system, have the company doing
the install write into the contract both you and they sign, that the
new device will not generate RFI, and will be FCC part 15 compliant,
else it goes back, and the old system gets put back in place at no
charge to you.
That forces them to do the homework and call the manufacturer. This
also puts the RFI issue right out on the table to start with, and
brings up the issue of RFI to the manufacturer. This also lets the
manufacturer know that RFI is an issue , and can cost them sales.
When I changed furnaces I did this... I also had no issues with RFI
when the install was finished. I asked the installers, to please do
their homework and call the vendor to insure there would not be an RFI
issue, prior to install in order to avoid ugly issues later.
All went well, and they installed an RFI kit on a Coleman furnace at
the time of install... Not a peep from it.
I also elected to avoid the PW controlled fan as well...
All discussion were very nice, and very friendly, but in no uncertain
terms, no RFI would be tolerated, it would be a show-stopper.
--
73's, and thanks,
Dave
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On Thu, 2016-01-28 at 07:41 -0800, Gary Smith via RFI wrote:
Thanks for this very valuable info. Our hvac system is near
replacement
time, good to know that Trane corp knows (and apparently,
understands)
about and can do something about RFI from their hvac system.
Gary...wa6fgi
On 1/27/2016 7:41 PM, Tim Duffy wrote:
> Hello Jim:
>
> I had a new HVAC system installed last year - It is the American
> Standard
> brand. I had bad RFI on 20 meters.
>
> I found this document:
>
> http://www.crompton.com/hamradio/Trane%20XV95%20RFI%20Documentation
> .pdf
>
> It gave me all the info I needed to give to the HVAC installers to
> fix my
> RFI. Now my HVAC system is RFI noise free.
>
> Hope this document (lots of links) or something else you can Google
> will
> help you solve your problem.
>
> 73,
> Tim K3LR
>
> -----Original Message-----
> From: RFI [mailto:rfi-bounces@contesting.com] On Behalf Of Jim
> Netwal via
> RFI
> Sent: Wednesday, January 27, 2016 2:55 PM
> To: rfi@contesting.com
> Subject: [RFI] Blower noise from Carrier Furnace
>
> Last August I replaced my dead furnace with a new Carrier Model
> 59TP6A060
> variable speed, 2-stage furnace. Right away I noticed that I had
> loud
> blower motor noise ever 18 kHz on most bands but it was the loudest
> on 17
> meters. Does anyone have any advice or a fix for this? Thank you
> in
> advance!
>
> 73, Jim W9UUM
> www.w9uum.com
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