Re: (ET) RE: Installing Landis controller in an Elec-Trak E-20

[Jeremy Gagliardi com]

I have already disconnected my timer.  Since I have the landis controller, 
and
I've seen much advice about how the timer isn't needed for anything 
anymore with
the controller, I think the easy answer is, no more timer.

--
Jeremy Gagliardi
E20
Bethesda, Md

On Thu, 26 Jun 2003 12:28:50 -0400, Don Cohen wrote:
> Jeremy,
> 
> If the timer is the original, the contacts themselves are probably bad. 
> When
> they are, the timer usually gets pretty hot even on a short cycle. If it 
> is
> really bad, it probably won't shut off even when you turn it to the off
position
> (if it is already heated up). That is what was happening with mine 
> recently. It
> was so bad, that after only a few minutes of being on, it wouldn't shut 
> off by
> turning the control, and was already almost too hot too touch - had to 
> unplug.
> So I ordered a new motor/timer assembly from Bill - about $35, I think. 
> Now
> after a full charge, the whole area of the timer only gets slightly warm
instead
> of steaming hot. Also, if when turning the timer knob back and forth 
> past the
> off position you don't hear any strong clicks, that is a sign that the 
> contacts
> are bad. My old one made almost no sound at all. I thought it was 
> normal. When
I
> got the new one, I was surprised at how distinct the "click" was when it 
> hits
> the off position. 
> 
> Hope this helps,
> Don Cohen
> 
> At 10:12 AM 6/26/03 -0400, Jeremy Gagliardi com wrote:
> >Mea culpa and confirmation.  I must admit, last night, I went out and 
> >checked
on
> >my controller/timer combo.  Late at night, batteries boiling, my timer 
> >was
> >already halfway through a cycle that I didn't start, and the bottom of 
> >the
timer
> >was hot when I unplugged the charger and unwired the timer.
> >
> >Indeed, the timer IS starting on its own in this situation.
> >
> >--
> >Jeremy Gagliardi
> >E20
> >Bethesda, Md
> >
> >On Thu, 26 Jun 2003 00:34:55 -0400, "David Roden (Akron OH USA)" wrote:
> >> On 25 Jun 2003 at 16:52, Garry & Terry Freese wrote:
> >> 
> >> > Mutual conductance is when 2 wires are close together,
> >> > the wire that has current going threw it will transfer small 
> >> > amounts of
> >> > current threw the adjacent wire. It would not take very much to 
> >> > start a
> small
> >> > motor.  
> >> 
> >> I have never seen any case in which enough coupling occurred between 
> >> insulated wires to run a motor -- except in transformers, where the
coupling 
> >> is designed in.  I can't imagine it being able to run the timer motor 
> >> on an 
> >> ET charger.  
> >> 
> >> BUT -- if the timer motor were wired in parallel with the transformer 
> >> primary, I can see how having another switch in parallel with the 
> >> timer 
> >> switch could indeed cause the effect you mention.  Instead of 
> >> paralleling 
> >> the new controller with the timer switch, you might add a DPDT switch 
> >> to 
> >> select between the new controller and the old timer.
> >> 
> >> 
> >> 
> >> David Roden - Akron, Ohio, USA
> >> 1991 Solectria Force 144vac
> >> 1991 Ford Escort Green/EV 128vdc
> >> 1970 GE Elec-trak E15 36vdc
> >> 1974 Avco New Idea 36vdc
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> >>      
 
> >>  
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> >>        
> >> Est. 2001 value of US crude oil imports from Persian Gulf: $19 
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> >>                               -- Harper's Index, April 2002           
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>  
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> >> 
> >> 
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> 
> Don Cohen
> DC Electronics
> Shinglehouse, PA