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Re: [RFI] RFI from variable speed swimming pool pumps

To: rfi@contesting.com
Subject: Re: [RFI] RFI from variable speed swimming pool pumps
From: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Mon, 2 Jul 2018 20:59:24 -0400
List-post: <mailto:rfi@contesting.com>
Our efficient home made going to a heat pump impractical.  The break even pay back compared yo our "old" furnace" was close to 50 years, making the high efficiency heat & air conditioner more economical (The rebate for the high efficiency with the 2 speed blower was the same as with the variable speed in MI .)  They were willing to guarantee the variable speed would be RF quiet, "in writing", but I decided to go with the two speed

73, Roger (K8RI)


On 7/2/2018 1:01 PM, Phil Duff wrote:
 From what I saw when we replaced our heat pump system couple years ago the 
variable speed controller systems had a higher SEER rating than the standard 
controller systems.

Folks trying to save $$ on heating/cooling costs coupled with possible rebates 
for higher SEER systems encourages installations with variable speed controller 
I suspect.

We stayed with a standard (RF quiet) controller.

73 Phil NA4M


On Jul 2, 2018, at 11:53 AM, Jim Brown <jim@audiosystemsgroup.com> wrote:

Why use variable speed controller at all?  Most systems that use motor controllers have 
2-speed controllers as "standard equipment" and offer variable speed as an 
upgrade.  I suggest that you try to avoid variable speed.

73, Jim K9YC

On 7/1/2018 11:25 AM, James Jordan wrote:
Other comments or suggestions?

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Phil Duff          na4m[at]suddenlink[dot]net
















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