Digest for sci.electronics.repair@googlegroups.com - 3 updates in 3 topics

"pfjw@aol.com" <pfjw@aol.com>: Nov 22 03:53AM -0800

On Wednesday, November 22, 2017 at 3:17:49 AM UTC-5, RickiRick wrote:
 
 
> The problem is with clogged ac condensate drain. I know, it happens. But
> by me ir happens incredibly often
 
There are tablets for that. Clearly your maintenance program is sadly lacking.
 
http://www.supplyhouse.com/Nu-Calgon-4296-60-Condensate-Pan-Treatment-Tablets?gclid=Cj0KCQiA3dTQBRDnARIsAGKSfllwFy3QGaGwVMjzKzEYKbd07G8cDLUyJ_l25_IOO2Cxs1jpil1jC_4aAu3YEALw_wcB
 
We use these or-equal in our window units, and I have our service people use them in the much larger units for our practices. Never had a condensate drain clog in the last 20+ years where these were in use - and regular service was/is done.
 
Peter Wieck
Melrose Park, PA
Johann Beretta <invalid@invalid.org>: Nov 22 02:34AM -0800

On Wed, 15 Nov 2017 12:58:20 +0100, "Carlos E.R." <robin_listas@es.invalid>
wrote:
 
<snip>
>acts on a hung device, say.
 
>I know one or two, but they are expensive.
>A timer reboot is too aggressive when a reboot is not needed.
 
A Netonix switch. Single best investment I made for my WISP.
 
I set them to ping a device on the opposite tower (in a PtP link) so that if the
radio (on this side) hangs (but still responds to pings) it won't fool the
watchdog into thinking everything is fine. The monitored device must actually
pass traffic so that a ping packet can travel to the opposite side, be answered,
and then return to the Netonix, thereby resetting the periodic timer.
"David Farber" <farberbear.unspam@aol.com>: Nov 21 09:34PM -0800

Ralph Mowery wrote:
> and drop it to about 10 volts below that voltage. Then just touch
> the bulb and it will fire off. The extra heat eill be enough to make
> it light up.
 
Hi Ralph,
 
Thanks for the great explanation.
 
--
David Farber
Los Osos, CA
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