Here are the thresholds
level 1: 50 degrees level 2: 55 degrees level 3: 60 degrees level 4: 65 degrees level 5: 70 degrees level 6: 80 degrees if the temperature gets above 90 degrees we throw a fault and drop into standby (with fault showing). Mike va3mw > On Sep 29, 2019, at 10:38 PM, Andy Durbin <a.dur...@msn.com> wrote: > > The KPA500 offers a minimum fan speed setting which is settable by menu or > serial command. Some posters have advocated setting a minimum fan speed > higher than zero, presumably thinking it offers some advantage in thermal > management. > > Does anyone have any hard data that shows that the KPA500 runs cooler, or > with lower peak fan speed, when minimum fan speed is set above zero. > > Running a rigorous test may not be easy since it would seem to require the > same ambient temperature, same finals starting temperature, same TX periods, > and same antenna system load. > > I'm curious because, before CQ-WW-RTTY I configured my KPA500 to set min fan > speed to 1 at start of TX and reset min speed to zero 30 seconds after stop > of TX. Of course the fans ran faster than min speed during TX but I don't > have any feel for whether the higher speeds were any more protracted than > before the min speed change. > > Please share you experience of using min fan speed greater than zero, and any > data if you have it. > > 73, > Andy, k3wyc > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to va...@portcredit.net ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
