[Elecraft] OT A/C RFI

[Dave Cole]

Clay,
Given that the pump is far, far underground, as is most of the wiring, I 
would expect it to be a trivial matter to filter the AC line, which 
should be the only thing radiating...  Was that the case for you?

73s and thanks,
Dave
NK7Z
http://www.nk7z.net

On 07/19/2017 07:52 AM, Clay Autery wrote:
> Hmmmm....  Jim...  I have a variable speed down-hole pump on my water
> well...  reckon that could cause RFI via the AC wiring?
> The down-hole pump is 220VDC on dedicated circuit, and shack is on a
> separate dedicated circuit from same service with separate sub-panel.
>
> ______________________
> Clay Autery, KY5G
> MONTAC Enterprises
> (318) 518-1389
>
> On 7/18/2017 10:40 PM, Jim Brown wrote:
>> On 7/18/2017 6:02 PM, Erik Basilier wrote:
>>> Need to replace my A/C, and worried about getting an RFI generator.
>>>
>>> A few years ago I saw some advice about taming a new unit, and maybe
>>> even
>>> getting instructions from the manufacturer.
>>
>> Dave Cole has given you excellent advice, and you should follow it
>> carefully. I'll add this additional caution. The "upgrade" in HVAC
>> systems (heating, ventilating, air conditioning) is a variable speed
>> motor. The controllers for these motors are notorious for bad RFI, so
>> by all means, do NOT buy that option.
>>
>> 73, Jim K9YC
>
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