That's the rub Ed... It's like your Riley H story... :)
You have to get it in place prior to putting in the furnace, or TV,...
:) Love that story! I have shared it with many people! Thanks!! :)
--
73's, and thanks,
Dave
For software/hardware reviews see:
http://www.nk7z.net
For MixW support see:
https://groups.yahoo.com/neo/groups/mixw/info
For SSTV help see:
http://groups.yahoo.com/neo/groups/MM-SSTV/info
On Thu, 2016-01-28 at 21:04 +0000, Hare, Ed W1RFI wrote:
> Yes, I think that is known, but it never hurts to make that clear.
>
> So, if my home furnace interferes with my ham station, does my wife
> get the fine? She and I are both operators of the offending device.
>
> Ed
>
>
>
> From: Don Kirk [mailto:wd8dsb@gmail.com]
> Sent: Thursday, January 28, 2016 4:03 PM
> To: Hare, Ed W1RFI
> Cc: rfi@contesting.com
> Subject: Re: [RFI] Blower noise from Carrier Furnace
>
> Hi Ed,
> I think we need to be clear that even though those devices are exempt
> from specific emissions limits, per section 15.103 "The operator of
> the exempted device shall be required to stop operating the device
> upon a finding by the Commission or its representative that the
> device is causing harmful interference."
>
> 73,
> Don (wd8dsb)
>
> On Thu, Jan 28, 2016 at 2:34 PM, Hare, Ed W1RFI <w1rfi@arrl.org<mailt
> o:w1rfi@arrl.org>> wrote:
> It may have been said already, but all pulse-width-controlled motors
> used in furnaces are compliant with the FCC rules if they have even a
> modest amount of filtering. A furnace is an appliance, as defined
> in Part 15, so it is a device that is categorically exempt from
> specific emissions limits. Adding that provision to a contract could
> actually make it less likely that the manufacturer will cooperate. If
> he figures out that he is exempt, he can say that he has met that
> provision in the contract.
>
> It would be better to negotiate a contract that requires that
> interference to radio devices be addressed.
>
>
> 73, Ed Hare, W1RFI
> ARRL Laboratory Manager
> 225 Main St.
> Newington, CT 06111
> Tel: (860) 594-0318<tel:%28860%29%20594-0318>
> Fax: (860) 594-0259<tel:%28860%29%20594-0259>
> Email: W1RFI@arrl.org<mailto:W1RFI@arrl.org>
> Member: IEEE Connecticut Section
> Member: IEEE EMC Society, Board of Directors
> Member: IEEE EMC Society Standards Development and Education
> Committee
> Member: University of Hartford Industry Advisory Committee
> Primary representative: ANSI ASC C63 EMC Committee, Vice Chair
> Subcommittee 5 (Immunity)
> Member: QRP Amateur Radio Club International, Board of Directors
>
>
>
> -----Original Message-----
> From: RFI [mailto:rfi-bounces@contesting.com<mailto:rfi-bounces@conte
> sting.com>] On Behalf Of Dave Cole
> Sent: Thursday, January 28, 2016 11:15 AM
> To: rfi@contesting.com<mailto:rfi@contesting.com>
> Subject: Re: [RFI] Blower noise from Carrier Furnace
>
> 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
>
> For software/hardware reviews see:
> http://www.nk7z.net
>
> For MixW support see:
> https://groups.yahoo.com/neo/groups/mixw/info
>
> For SSTV help see:
> http://groups.yahoo.com/neo/groups/MM-SSTV/info
>
>
>
> 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%20Documentati
> > > on
> > > .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<mailto:rfi-bounces@c
> > > ontesting.com>] On Behalf Of Jim
> > > Netwal via RFI
> > > Sent: Wednesday, January 27, 2016 2:55 PM
> > > To: rfi@contesting.com<mailto: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<http://www.w9uum.com>;
> > > _______________________________________________
> > > RFI mailing list
> > > RFI@contesting.com<mailto:RFI@contesting.com>
> > > http://lists.contesting.com/mailman/listinfo/rfi
> > >
> > > _______________________________________________
> > > RFI mailing list
> > > RFI@contesting.com<mailto:RFI@contesting.com>
> > > http://lists.contesting.com/mailman/listinfo/rfi
> >
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