The compressor as well. They aren't necessarily running at 60 Hz (or 50
Hz for those across the pond).
73 -- Lynn
On 5/27/20 10:17 AM, Dave Cole wrote:
Of late, the fans in these systems are speed controlled by PWM. Nice
high power square waves...
73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist
ARRL Asst. Director, NW Division, Technical Resources
On 5/27/20 10:08 AM, Phil Hystad wrote:
I didn’t know that an HVAC system would be an RFI generator. What
part of HVAC is the cause of this and is this a recent problem in
manufacturing units?
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